ircabot/systemd/ircabot.service

[Unit]
Description=IRCaBot logger
After=network.target

[Service]
Type=idle
# Change the USERNAME to your user, with the rights of which the bot will work:
User=USERNAME
# Change paths to actual (like a /srv/ircabot or something):
ExecStart=/path/to/ircabot -c /path/to/ircabot.conf
Restart=on-failure

[Install]
WantedBy=multi-user.target