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ProxmoxVE/install/localai-install.sh
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CanbiZ (MickLesk) 6234161462 LocalAI: pin the CPU backends when the container has no GPU runtime (#17909)
LocalAI resolves meta backends from the GPU vendor it reads out of sysfs,
which is the host's card even with no driver installed in the container,
so llama-cpp became cuda12-llama-cpp and never started (#17908). Force
the default capability unless a CUDA, ROCm or Level Zero runtime is
present; update adds the pin to existing installs.
2026-10-13 18:10:07 +02:00

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#!/usr/bin/env bash
# Copyright (c) 2021-2026 community-scripts ORG
# Author: Bryan Lieberman (BryanCLieberman)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# Source: https://localai.io
source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
color
verb_ip6
catch_errors
setting_up_container
network_check
update_os
msg_info "Installing Dependencies"
$STD apt install -y \
libgomp1 \
libopenblas0
msg_ok "Installed Dependencies"
setup_hwaccel
var_port="${var_port:-8080}"
var_auth="${var_auth:-no}"
var_api_key="${var_api_key:-}"
if [[ "$var_auth" == "yes" ]]; then
setup_postgresql
PG_DB_NAME="localai" PG_DB_USER="localai" setup_postgresql_db
fi
fetch_and_deploy_gh_release "localai" "mudler/LocalAI" "singlefile" "latest" "/opt/localai" "local-ai-v*-linux-$(arch_resolve amd64 arm64)"
msg_info "Configuring LocalAI"
mkdir -p /opt/localai_data/models /opt/localai_data/backends
cat <<EOF >/opt/localai.env
LOCALAI_ADDRESS=0.0.0.0:${var_port}
LOCALAI_DATA_PATH=/opt/localai_data
LOCALAI_MODELS_PATH=/opt/localai_data/models
LOCALAI_BACKENDS_PATH=/opt/localai_data/backends
LOCALAI_LOG_LEVEL=info
EOF
# LocalAI picks the backend variant from the GPU it sees in sysfs, which is the
# host's card even when no driver was installed in here, and a CUDA/ROCm/SYCL
# backend then never starts. Pin the CPU variants unless a runtime is present.
if ! ldconfig -p 2>/dev/null | grep -qE 'libcuda[.]so|libamdhip64[.]so|libze_intel_gpu[.]so|libze_loader[.]so'; then
echo "LOCALAI_FORCE_META_BACKEND_CAPABILITY=default" >>/opt/localai.env
fi
# LocalAI refuses to start on a wildcard bind with nothing to identify callers,
# and binding the wildcard is what makes the container reachable at all.
if [[ "$var_auth" == "yes" ]]; then
cat <<EOF >>/opt/localai.env
LOCALAI_AUTH=true
LOCALAI_AUTH_DATABASE_URL=postgres://${PG_DB_USER}:${PG_DB_PASS}@localhost/${PG_DB_NAME}
LOCALAI_REGISTRATION_MODE=approval
EOF
fi
# A static key grants admin access on its own, so when it is the only thing
# guarding the API, generate one rather than leaving the server open.
if [[ -z "$var_api_key" && "$var_auth" != "yes" ]]; then
var_api_key="sk-$(openssl rand -hex 24)"
{
echo "LocalAI Credentials"
echo "API Key: ${var_api_key}"
} >>~/localai.creds
fi
if [[ -n "$var_api_key" ]]; then
echo "LOCALAI_API_KEY=${var_api_key}" >>/opt/localai.env
else
echo "#LOCALAI_API_KEY=" >>/opt/localai.env
fi
chmod 600 /opt/localai.env
msg_ok "Configured LocalAI"
msg_info "Creating Service"
cat <<EOF >/etc/systemd/system/localai.service
[Unit]
Description=LocalAI Server
Wants=network-online.target
After=network-online.target
[Service]
Type=simple
User=root
WorkingDirectory=/opt/localai
EnvironmentFile=/opt/localai.env
ExecStart=/opt/localai/localai run
Restart=on-failure
RestartSec=10
[Install]
WantedBy=multi-user.target
EOF
systemctl enable -q --now localai
msg_ok "Created Service"
motd_ssh
customize
cleanup_lxc