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Improve auto-login setup for LXC containers with systemd

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Refines the configuration of getty services for auto-login in LXC containers. Adds explicit handling for console-getty.service (used in Fedora/RHEL) and container-getty@1.service (Debian/Ubuntu), ensuring proper override and enabling where necessary.
This commit is contained in:
CanbiZ 2025-12-04 15:48:06 +01:00
parent 4a6f783ddb
commit a736445bcf
1 changed files with 19 additions and 16 deletions
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35
misc/install.func
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@ -853,25 +853,28 @@ customize() {
case "$INIT_SYSTEM" in
systemd)
# Configure getty for auto-login
# Just write the config - systemd picks it up on next boot/login
# No daemon-reload or restart needed during installation!
local GETTY_OVERRIDE=""
# Configure console-getty for auto-login in LXC containers
# console-getty.service is THE service that handles /dev/console in LXC
# It's present on all systemd distros but not enabled by default on Fedora/RHEL
if [[ -f /usr/lib/systemd/system/container-getty@.service ]]; then
GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf"
elif [[ -f /usr/lib/systemd/system/getty@.service ]]; then
GETTY_OVERRIDE="/etc/systemd/system/getty@tty1.service.d/override.conf"
elif [[ -f /usr/lib/systemd/system/console-getty.service ]]; then
GETTY_OVERRIDE="/etc/systemd/system/console-getty.service.d/override.conf"
fi
if [[ -n "$GETTY_OVERRIDE" ]]; then
mkdir -p "$(dirname "$GETTY_OVERRIDE")"
cat >"$GETTY_OVERRIDE" <<EOF
if [[ -f /usr/lib/systemd/system/console-getty.service ]]; then
mkdir -p /etc/systemd/system/console-getty.service.d
cat >/etc/systemd/system/console-getty.service.d/override.conf <<'EOF'
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud 115200,38400,9600 $TERM
EOF
# Enable console-getty for LXC web console (required on Fedora/RHEL)
systemctl enable console-getty.service &>/dev/null || true
fi
# Also configure container-getty@1 (Debian/Ubuntu default in LXC)
if [[ -f /usr/lib/systemd/system/container-getty@.service ]]; then
mkdir -p /etc/systemd/system/container-getty@1.service.d
cat >/etc/systemd/system/container-getty@1.service.d/override.conf <<'EOF'
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 $TERM
EOF
fi
;;