The services must be restarted through the WHM interface, by opening “Home” > “Restart Services”.
If the restart of the service through the WHM interface failed, then the script should be used:
/usr/local/cpanel/scripts/restartsrv_*
If you are using IPv6 and the command was executed:
service network restart
That IPv6 does not work to solve the problem:
/etc/init.d/cpipv6 restart (for cPanel & WHM version 11.52 and earlier) /usr/local/cpanel/scripts/restartsrv_cpipv6 (for cPanel & WHM version 54 and later)
In extreme cases, you can try to restart the service directly:
/etc/rc.d/init.d/service restart systemctl restart service-name.service
See also:
Location of log files cPanel