Edit file File name : cpipv6.service Content :[Unit] Description=cPanel IPv6 service Requires=network-online.target After=network-online.target ConditionPathExists=/etc/userdatadomains ConditionFileIsExecutable=/usr/local/cpanel/whostmgr/bin/cpipv6 [Service] Type=oneshot RemainAfterExit=yes ExecStart=/usr/local/cpanel/whostmgr/bin/cpipv6 start ExecStop=/usr/local/cpanel/whostmgr/bin/cpipv6 stop ExecReload=/usr/local/cpanel/whostmgr/bin/cpipv6 restart # cannot a custom action for list, need to use /usr/local/cpanel/whostmgr/bin/cpipv6 list manually [Install] WantedBy=multi-user.target Save