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Improve LXC getty autologin handling

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Configure both container-getty@1 and console-getty to auto-login root with unified agetty options, ensuring either Proxmox noVNC (/dev/tty1) or pct/serial (/dev/console) works. Add stable _agetty_opts, write per-service override files, enable console-getty on distros that need it, and reload systemd. Disable vte profile scripts to avoid cursor-query noise on first prompt, restart only active getty services to avoid duplicates, and create /root/.hushlogin to suppress login messages.
This commit is contained in:
CanbiZ (MickLesk)
2026-04-27 14:13:41 +02:00
parent 5334accd1c
commit b994f6a2c0
1 changed files with 27 additions and 18 deletions
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45
misc/install.func
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@@ -1171,35 +1171,44 @@ customize() {
systemctl mask systemd-homed-firstboot.service &>/dev/null || true
systemctl mask systemd-homed.service &>/dev/null || true
# 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
# In LXC there are TWO possible getty paths:
# - container-getty@1.service -> /dev/tty1 (Proxmox web noVNC console)
# - console-getty.service -> /dev/console (pct console / serial)
# We configure both with --autologin --noissue (prevents banner spam from
# rapid respawns) so whichever one the user opens works.
local _agetty_opts='--autologin root --noclear --noissue --keep-baud'
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 ${_agetty_opts} tty%I 115200,38400,9600 - \$TERM
EOF
fi
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'
cat >/etc/systemd/system/console-getty.service.d/override.conf <<EOF
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud 115200,38400,9600 - $TERM
ExecStart=-/sbin/agetty ${_agetty_opts} 115200,38400,9600 - \$TERM
EOF
# Enable console-getty for LXC web console (required on Fedora/RHEL)
# Enable console-getty for pct console (not enabled by default 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
# Fedora/RHEL: /etc/profile.d/vte.sh emits cursor-position queries (CSI 6n)
# whose responses leak into the shell input buffer, causing
# "R;80R: command not found" garbage on the first prompt. Disable it.
[[ -f /etc/profile.d/vte.sh ]] && chmod -x /etc/profile.d/vte.sh 2>/dev/null || true
[[ -f /etc/profile.d/vte.csh ]] && chmod -x /etc/profile.d/vte.csh 2>/dev/null || true
# Reload systemd and restart getty services to apply auto-login
systemctl daemon-reload
systemctl restart console-getty.service &>/dev/null || true
systemctl restart container-getty@1.service &>/dev/null || true
# Restart only what's currently active to avoid spawning duplicate gettys
systemctl is-active container-getty@1.service &>/dev/null && systemctl restart container-getty@1.service &>/dev/null || true
systemctl is-active console-getty.service &>/dev/null && systemctl restart console-getty.service &>/dev/null || true
touch /root/.hushlogin
;;
openrc)