Files
sysmig/migrations/003-purge-exim4.sh
T
wan f69cb99b3f sysmig: migration runner + initial 4 migrations (swap, daemon trims)
- up/down/status interface, history in /var/lib/sysmig/applied
- 001 swap 2GB + swappiness=10, 002-004 trim unneeded daemons (~56MB)
- google-osconfig-agent intentionally kept
- all messages/comments in ASCII English (console font safety)
2026-08-31 15:49:01 +09:00

19 lines
719 B
Bash

#!/usr/bin/env bash
# 003-purge-exim4 - Remove default local mail server (~21MB)
# Unnecessary if local mail (e.g. cron output) is not used.
# Down reinstalls with Debian defaults (local delivery only).
set -euo pipefail
export DEBIAN_FRONTEND=noninteractive
case "${1:-}" in
up) systemctl disable --now exim4.service 2>/dev/null || true
apt-get purge -y exim4-daemon-light >/dev/null
apt-get autoremove --purge -y >/dev/null
echo " exim4 stopped + package purged + deps cleaned" ;;
down) apt-get update -qq
apt-get install -y exim4-daemon-light >/dev/null
systemctl enable --now exim4.service
echo " exim4 reinstalled + restarted (default config)" ;;
esac