gentoo-overlay/net-im/ejabberd/files/ejabberd.service

[Unit]
Description=A distributed, fault-tolerant Jabber/XMPP server
After=network.target

[Service]
Type=oneshot
User=jabber
LimitNOFILE=16000
RestartSec=5
ExecStart=/usr/sbin/ejabberdctl \
	--config /etc/jabber/ejabberd.cfg --ctl-config /etc/jabber/ejabberdctl.cfg \
	--logs "/var/log/jabber" --spool "/var/spool/jabber" start
ExecStop=/usr/sbin/ejabberdctl stop
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target