[Unit] Description=Kea DDNS service Documentation=man:kea-dhcp-ddns(8) Wants=network-online.target After=network-online.target time-sync.target [Service] User=dhcp Group=dhcp RuntimeDirectory=kea Environment="KEA_PIDFILE_DIR=/run/kea" Environment="KEA_LOCKFILE_DIR=/run/lock/kea" ExecStart=/usr/sbin/kea-dhcp-ddns -c /etc/kea/kea-dhcp-ddns.conf Restart=always [Install] WantedBy=kea-dhcpv4-server.service WantedBy=kea-dhcpv6-server.service