diff --git a/ct/reactive-resume.sh b/ct/reactive-resume.sh
index 9ba5b80e0..d03f87e91 100644
--- a/ct/reactive-resume.sh
+++ b/ct/reactive-resume.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream | MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/readarr.sh b/ct/readarr.sh
index 889bd511c..28186e6c2 100644
--- a/ct/readarr.sh
+++ b/ct/readarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/readeck.sh b/ct/readeck.sh
index e8c368760..d6697c1de 100644
--- a/ct/readeck.sh
+++ b/ct/readeck.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/recyclarr.sh b/ct/recyclarr.sh
index f2e95e4ef..e990c103d 100644
--- a/ct/recyclarr.sh
+++ b/ct/recyclarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MrYadro
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/reitti.sh b/ct/reitti.sh
index 423437886..d766606c6 100644
--- a/ct/reitti.sh
+++ b/ct/reitti.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/resiliosync.sh b/ct/resiliosync.sh
index 1f9790246..49642b3de 100644
--- a/ct/resiliosync.sh
+++ b/ct/resiliosync.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: David Bennett (dbinit)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/revealjs.sh b/ct/revealjs.sh
index 1f2f49a13..ba4c8b9a0 100644
--- a/ct/revealjs.sh
+++ b/ct/revealjs.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/rss-bridge.sh b/ct/rss-bridge.sh
index 5628a9a10..a7a1bbf6a 100644
--- a/ct/rss-bridge.sh
+++ b/ct/rss-bridge.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/runtipi.sh b/ct/runtipi.sh
index 16f6c3fb3..9b4363ca5 100644
--- a/ct/runtipi.sh
+++ b/ct/runtipi.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster) | Migration: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/rwmarkable.sh b/ct/rwmarkable.sh
index 1a037d309..d2e03b150 100644
--- a/ct/rwmarkable.sh
+++ b/ct/rwmarkable.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/salt.sh b/ct/salt.sh
index bef562b24..50372ed39 100644
--- a/ct/salt.sh
+++ b/ct/salt.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: bvdberg01
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/satisfactory.sh b/ct/satisfactory.sh
index c707677d7..9fa71e3c6 100644
--- a/ct/satisfactory.sh
+++ b/ct/satisfactory.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: n8flx
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/scraparr.sh b/ct/scraparr.sh
index 2e87272dd..fff35d8d8 100644
--- a/ct/scraparr.sh
+++ b/ct/scraparr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: JasonGreenC
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/seaweedfs.sh b/ct/seaweedfs.sh
index 94a14a57d..88e2c80a5 100644
--- a/ct/seaweedfs.sh
+++ b/ct/seaweedfs.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/securo.sh b/ct/securo.sh
index ef635fad9..b07fc6adc 100644
--- a/ct/securo.sh
+++ b/ct/securo.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/seelf.sh b/ct/seelf.sh
index 139b7776b..02ccc8ebe 100644
--- a/ct/seelf.sh
+++ b/ct/seelf.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/semaphore.sh b/ct/semaphore.sh
index e4adf7ef0..7ac50de3f 100644
--- a/ct/semaphore.sh
+++ b/ct/semaphore.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: kristocopani
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sftpgo.sh b/ct/sftpgo.sh
index 5c6a79adf..3b458b6ad 100644
--- a/ct/sftpgo.sh
+++ b/ct/sftpgo.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/shelfmark.sh b/ct/shelfmark.sh
index 0461e8460..5d5a1385f 100644
--- a/ct/shelfmark.sh
+++ b/ct/shelfmark.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/shiori.sh b/ct/shiori.sh
index 0c7f21f8d..d0f6298e4 100644
--- a/ct/shiori.sh
+++ b/ct/shiori.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/shlink.sh b/ct/shlink.sh
index df9f68e1e..30904d6aa 100644
--- a/ct/shlink.sh
+++ b/ct/shlink.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/signoz.sh b/ct/signoz.sh
index 65690d7de..6bbf27ce6 100644
--- a/ct/signoz.sh
+++ b/ct/signoz.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/silverbullet.sh b/ct/silverbullet.sh
index 58c1240c8..c2da93f66 100644
--- a/ct/silverbullet.sh
+++ b/ct/silverbullet.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Dominik Siebel (dsiebel)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/slskd.sh b/ct/slskd.sh
index e5e63bacb..71bf9c8c3 100644
--- a/ct/slskd.sh
+++ b/ct/slskd.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/smokeping.sh b/ct/smokeping.sh
index 362701f55..443775f7d 100644
--- a/ct/smokeping.sh
+++ b/ct/smokeping.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/snapotter.sh b/ct/snapotter.sh
index ce2323f8f..8d769841f 100644
--- a/ct/snapotter.sh
+++ b/ct/snapotter.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/snipeit.sh b/ct/snipeit.sh
index 6ec4f4bd4..26d00591c 100644
--- a/ct/snipeit.sh
+++ b/ct/snipeit.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Michel Roegl-Brunner (michelroegl-brunner)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/snowshare.sh b/ct/snowshare.sh
index f63140b1b..c941caf33 100644
--- a/ct/snowshare.sh
+++ b/ct/snowshare.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: TuroYT
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/solidtime.sh b/ct/solidtime.sh
index f003086af..8af419367 100644
--- a/ct/solidtime.sh
+++ b/ct/solidtime.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sonarqube.sh b/ct/sonarqube.sh
index 0f7331cff..4b203b66d 100644
--- a/ct/sonarqube.sh
+++ b/ct/sonarqube.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: prop4n
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sonobarr.sh b/ct/sonobarr.sh
index 7b80e1b79..553397dce 100644
--- a/ct/sonobarr.sh
+++ b/ct/sonobarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: GoldenSpringness
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/soulsync.sh b/ct/soulsync.sh
index 7a9d4d9c4..bad66a4d4 100644
--- a/ct/soulsync.sh
+++ b/ct/soulsync.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sparkyfitness.sh b/ct/sparkyfitness.sh
index 9cd83b2b3..f89bd993e 100644
--- a/ct/sparkyfitness.sh
+++ b/ct/sparkyfitness.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Tom Frenzel (tomfrenzel)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/speedtest-tracker.sh b/ct/speedtest-tracker.sh
index 4d5599063..2057df5fb 100644
--- a/ct/speedtest-tracker.sh
+++ b/ct/speedtest-tracker.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: AlphaLawless
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/split-pro.sh b/ct/split-pro.sh
index e757210a8..e7a95591a 100644
--- a/ct/split-pro.sh
+++ b/ct/split-pro.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: johanngrobe
diff --git a/ct/splunk-enterprise.sh b/ct/splunk-enterprise.sh
index 05d1da5d2..e74aefe1c 100644
--- a/ct/splunk-enterprise.sh
+++ b/ct/splunk-enterprise.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: rcastley
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/spoolman.sh b/ct/spoolman.sh
index d7a9e15c9..aa57885bf 100644
--- a/ct/spoolman.sh
+++ b/ct/spoolman.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sqlserver2022.sh b/ct/sqlserver2022.sh
index 7e2810295..6dc46d413 100644
--- a/ct/sqlserver2022.sh
+++ b/ct/sqlserver2022.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Kristian Skov
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sqlserver2025.sh b/ct/sqlserver2025.sh
index 817764fe7..cf85c3a34 100644
--- a/ct/sqlserver2025.sh
+++ b/ct/sqlserver2025.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/squid.sh b/ct/squid.sh
index 1698fc395..ede24559a 100644
--- a/ct/squid.sh
+++ b/ct/squid.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: 007hacky007
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/step-ca.sh b/ct/step-ca.sh
index 3c0eef66e..2a3e24f76 100644
--- a/ct/step-ca.sh
+++ b/ct/step-ca.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Joerg Heinemann (heinemannj)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/storybook.sh b/ct/storybook.sh
index 89ddede43..5f6c845b7 100644
--- a/ct/storybook.sh
+++ b/ct/storybook.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
diff --git a/ct/storyteller.sh b/ct/storyteller.sh
index 34c32a681..9afc44200 100644
--- a/ct/storyteller.sh
+++ b/ct/storyteller.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/strapi.sh b/ct/strapi.sh
index 6e6255af7..4492fe24c 100755
--- a/ct/strapi.sh
+++ b/ct/strapi.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: pespinel
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/streamlink-webui.sh b/ct/streamlink-webui.sh
index 07c815e31..2928d1e32 100644
--- a/ct/streamlink-webui.sh
+++ b/ct/streamlink-webui.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/stylus.sh b/ct/stylus.sh
index 8eecfb7b1..383be6184 100644
--- a/ct/stylus.sh
+++ b/ct/stylus.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: luismco
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/suggestarr.sh b/ct/suggestarr.sh
index bf833b64b..6cad3c2d0 100644
--- a/ct/suggestarr.sh
+++ b/ct/suggestarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sure.sh b/ct/sure.sh
index 5f8448504..1e9ad1789 100644
--- a/ct/sure.sh
+++ b/ct/sure.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sync-in.sh b/ct/sync-in.sh
index c125b89c2..531c1ccf4 100644
--- a/ct/sync-in.sh
+++ b/ct/sync-in.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tandoor.sh b/ct/tandoor.sh
index 797061984..f4cf1ecd1 100644
--- a/ct/tandoor.sh
+++ b/ct/tandoor.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tasmoadmin.sh b/ct/tasmoadmin.sh
index 0382910c2..28c3ebe03 100644
--- a/ct/tasmoadmin.sh
+++ b/ct/tasmoadmin.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tasmocompiler.sh b/ct/tasmocompiler.sh
index 3867efe5f..a9878f62a 100644
--- a/ct/tasmocompiler.sh
+++ b/ct/tasmocompiler.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tautulli.sh b/ct/tautulli.sh
index 841b5c79f..7cc8254ff 100644
--- a/ct/tautulli.sh
+++ b/ct/tautulli.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/teable.sh b/ct/teable.sh
index cd5281396..7ea611f66 100644
--- a/ct/teable.sh
+++ b/ct/teable.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
diff --git a/ct/teddycloud.sh b/ct/teddycloud.sh
index 240edc533..e2c938350 100644
--- a/ct/teddycloud.sh
+++ b/ct/teddycloud.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Dominik Siebel (dsiebel)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/telegraf.sh b/ct/telegraf.sh
index 4fc90fba9..0e58f7067 100644
--- a/ct/telegraf.sh
+++ b/ct/telegraf.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/teleport.sh b/ct/teleport.sh
index f32dbbcac..586dbca53 100644
--- a/ct/teleport.sh
+++ b/ct/teleport.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
diff --git a/ct/teslamate.sh b/ct/teslamate.sh
index 443086726..007598d9e 100644
--- a/ct/teslamate.sh
+++ b/ct/teslamate.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/the-lounge.sh b/ct/the-lounge.sh
index aa535255d..c0d06d0e2 100644
--- a/ct/the-lounge.sh
+++ b/ct/the-lounge.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: kristocopani
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/thingsboard.sh b/ct/thingsboard.sh
index 87f796480..9b87343c7 100644
--- a/ct/thingsboard.sh
+++ b/ct/thingsboard.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tianji.sh b/ct/tianji.sh
index e62b3e94a..6733e64e7 100644
--- a/ct/tianji.sh
+++ b/ct/tianji.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tolgee.sh b/ct/tolgee.sh
index 4455852ff..fab640f9a 100644
--- a/ct/tolgee.sh
+++ b/ct/tolgee.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tor-snowflake.sh b/ct/tor-snowflake.sh
index ada23afeb..2bf7757f8 100644
--- a/ct/tor-snowflake.sh
+++ b/ct/tor-snowflake.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2025 community-scripts ORG
 # Author: KernelSailor
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/traccar.sh b/ct/traccar.sh
index 174e45f70..3de694b25 100644
--- a/ct/traccar.sh
+++ b/ct/traccar.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tracearr.sh b/ct/tracearr.sh
index 47a98053b..d5b4673fd 100644
--- a/ct/tracearr.sh
+++ b/ct/tracearr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: durzo
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tracktor.sh b/ct/tracktor.sh
index 25a8b5950..687bae109 100644
--- a/ct/tracktor.sh
+++ b/ct/tracktor.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/transmute.sh b/ct/transmute.sh
index 9a93a7d68..1119a5573 100644
--- a/ct/transmute.sh
+++ b/ct/transmute.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/trek.sh b/ct/trek.sh
index 9df637780..49bb2dde6 100644
--- a/ct/trek.sh
+++ b/ct/trek.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/trilium.sh b/ct/trilium.sh
index 66f7c1b06..4f149a1c1 100644
--- a/ct/trilium.sh
+++ b/ct/trilium.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/trip.sh b/ct/trip.sh
index b77245aba..38675dd76 100644
--- a/ct/trip.sh
+++ b/ct/trip.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tubearchivist.sh b/ct/tubearchivist.sh
index db4d919c5..fe3b3e574 100644
--- a/ct/tubearchivist.sh
+++ b/ct/tubearchivist.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/tududi.sh b/ct/tududi.sh
index 4527ed4dc..fadce08ef 100644
--- a/ct/tududi.sh
+++ b/ct/tududi.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/twenty.sh b/ct/twenty.sh
index e1e9e35d3..fef51cf65 100644
--- a/ct/twenty.sh
+++ b/ct/twenty.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
diff --git a/ct/twingate-connector.sh b/ct/twingate-connector.sh
index 57f2b0923..a6a662c71 100644
--- a/ct/twingate-connector.sh
+++ b/ct/twingate-connector.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: twingate-andrewb
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/umami.sh b/ct/umami.sh
index 5b3a0d21d..8fe23658a 100644
--- a/ct/umami.sh
+++ b/ct/umami.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/umbraco.sh b/ct/umbraco.sh
index f4e0f1676..e47e35f1f 100644
--- a/ct/umbraco.sh
+++ b/ct/umbraco.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Joost van den Berg (montagneId)
 # License: MIT | https://github.com/montagneid/ProxmoxVED/raw/main/LICENSE
diff --git a/ct/umlautadaptarr.sh b/ct/umlautadaptarr.sh
index fbf12583d..e9f931776 100644
--- a/ct/umlautadaptarr.sh
+++ b/ct/umlautadaptarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: elvito
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/unbound.sh b/ct/unbound.sh
index 95c1a18bc..87247d98f 100644
--- a/ct/unbound.sh
+++ b/ct/unbound.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: wimb0
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/unpackerr.sh b/ct/unpackerr.sh
index e6ea23661..10f45a47c 100644
--- a/ct/unpackerr.sh
+++ b/ct/unpackerr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/upgopher.sh b/ct/upgopher.sh
index 067bd4b23..20aeeda7c 100644
--- a/ct/upgopher.sh
+++ b/ct/upgopher.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Eduard González (wanetty)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/upsnap.sh b/ct/upsnap.sh
index 7fec8506d..07e87b293 100644
--- a/ct/upsnap.sh
+++ b/ct/upsnap.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/urbackupserver.sh b/ct/urbackupserver.sh
index fc6d0e53f..e2e5b2c17 100644
--- a/ct/urbackupserver.sh
+++ b/ct/urbackupserver.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Kristian Skov
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/versitygw.sh b/ct/versitygw.sh
index 9cc646d60..34c4abbfe 100644
--- a/ct/versitygw.sh
+++ b/ct/versitygw.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
@@ -52,4 +54,4 @@ description
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW}Access it using the following URL:${CL}"
-echo -e "${GATEWAY}${BGN}http://${IP}:7070 (Gateway) or http://${IP}:7070 (WebUI)${CL}"
\ No newline at end of file
+echo -e "${GATEWAY}${BGN}http://${IP}:7070 (Gateway) or http://${IP}:7070 (WebUI)${CL}"
diff --git a/ct/victoriametrics.sh b/ct/victoriametrics.sh
index e6c8e5c2a..ac7b5899b 100644
--- a/ct/victoriametrics.sh
+++ b/ct/victoriametrics.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wallabag.sh b/ct/wallabag.sh
index 79e648432..602665d74 100644
--- a/ct/wallabag.sh
+++ b/ct/wallabag.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wallos.sh b/ct/wallos.sh
index 195fe57c6..dcc896f1b 100644
--- a/ct/wallos.sh
+++ b/ct/wallos.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wanderer.sh b/ct/wanderer.sh
index 184e73e11..849b4c4b0 100644
--- a/ct/wanderer.sh
+++ b/ct/wanderer.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: rrole
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/warracker.sh b/ct/warracker.sh
index 3891c4d4a..403a23231 100644
--- a/ct/warracker.sh
+++ b/ct/warracker.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: BvdBerg01
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wastebin.sh b/ct/wastebin.sh
index 0b44f1820..ae1d3d6fc 100644
--- a/ct/wastebin.sh
+++ b/ct/wastebin.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/watcharr.sh b/ct/watcharr.sh
index 071b2b515..c32b7ce43 100644
--- a/ct/watcharr.sh
+++ b/ct/watcharr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Slaviša Arežina (tremor021)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wavelog.sh b/ct/wavelog.sh
index 0e2731f2a..7b1ece139 100644
--- a/ct/wavelog.sh
+++ b/ct/wavelog.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Don Locke (DonLocke)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wealthfolio.sh b/ct/wealthfolio.sh
index 859d496fa..7de89adce 100644
--- a/ct/wealthfolio.sh
+++ b/ct/wealthfolio.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/web-check.sh b/ct/web-check.sh
index 0bd4fe4c2..8ab06c094 100644
--- a/ct/web-check.sh
+++ b/ct/web-check.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/webtrees.sh b/ct/webtrees.sh
index 76d06b310..8029d66a0 100644
--- a/ct/webtrees.sh
+++ b/ct/webtrees.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: sudofly
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/whisparr.sh b/ct/whisparr.sh
index 3d72004dd..317dd1e98 100644
--- a/ct/whisparr.sh
+++ b/ct/whisparr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/whodb.sh b/ct/whodb.sh
index 7bf803056..57ff092cc 100644
--- a/ct/whodb.sh
+++ b/ct/whodb.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wikijs.sh b/ct/wikijs.sh
index 391ce5aae..5b656bd13 100644
--- a/ct/wikijs.sh
+++ b/ct/wikijs.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wishlist.sh b/ct/wishlist.sh
index 795320867..9d918159e 100644
--- a/ct/wishlist.sh
+++ b/ct/wishlist.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Dunky13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wizarr.sh b/ct/wizarr.sh
index af6a2adac..488353ff5 100644
--- a/ct/wizarr.sh
+++ b/ct/wizarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: vhsdream
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/writefreely.sh b/ct/writefreely.sh
index 5fa50b097..abd1e0a7f 100644
--- a/ct/writefreely.sh
+++ b/ct/writefreely.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: StellaeAlis
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/xyops.sh b/ct/xyops.sh
index a0b5c8b9a..dc3b18eb3 100644
--- a/ct/xyops.sh
+++ b/ct/xyops.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/yamtrack.sh b/ct/yamtrack.sh
index a33c45311..2c1e3d7d2 100644
--- a/ct/yamtrack.sh
+++ b/ct/yamtrack.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
diff --git a/ct/yourls.sh b/ct/yourls.sh
index 7dca65f6e..1529a0dbd 100644
--- a/ct/yourls.sh
+++ b/ct/yourls.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/yt-dlp-webui.sh b/ct/yt-dlp-webui.sh
index 9f0e69028..2396b272a 100644
--- a/ct/yt-dlp-webui.sh
+++ b/ct/yt-dlp-webui.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/yubal.sh b/ct/yubal.sh
index ea1c56a6f..941230cb2 100644
--- a/ct/yubal.sh
+++ b/ct/yubal.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Crazywolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/yunohost.sh b/ct/yunohost.sh
index 560eaedb1..ba293bb24 100644
--- a/ct/yunohost.sh
+++ b/ct/yunohost.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zammad.sh b/ct/zammad.sh
index 9fefa8f40..496ae7b76 100644
--- a/ct/zammad.sh
+++ b/ct/zammad.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Michel Roegl-Brunner (michelroegl-brunner)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zerobyte.sh b/ct/zerobyte.sh
index ce86155b1..99b305ebb 100644
--- a/ct/zerobyte.sh
+++ b/ct/zerobyte.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: community-scripts
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zerotier-one.sh b/ct/zerotier-one.sh
index 0cf3dc1c5..2aba1dc7d 100644
--- a/ct/zerotier-one.sh
+++ b/ct/zerotier-one.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: tremor021
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zipline.sh b/ct/zipline.sh
index f8ed33d52..71dfb5614 100644
--- a/ct/zipline.sh
+++ b/ct/zipline.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zitadel.sh b/ct/zitadel.sh
index 9963c1046..68d797ac0 100644
--- a/ct/zitadel.sh
+++ b/ct/zitadel.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: dave-yap (dave-yap)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zoraxy.sh b/ct/zoraxy.sh
index 29801afd9..733aed14f 100644
--- a/ct/zoraxy.sh
+++ b/ct/zoraxy.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zot-registry.sh b/ct/zot-registry.sh
index 183527b76..5a6ec6df8 100644
--- a/ct/zot-registry.sh
+++ b/ct/zot-registry.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zwave-js-ui.sh b/ct/zwave-js-ui.sh
index 16ad05d3a..9d65a3b4d 100644
--- a/ct/zwave-js-ui.sh
+++ b/ct/zwave-js-ui.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE