Restart Apache - PLESK

My client is having a self-managed dedicated server.
Now one setting in php.ini had to be changed so it got changed and I told him to restart apache but he doesnt know the command and neither do I as I dont know Linux commands. So he reboots instead.

What is the command to restart Apache in Fedora Linux ?
Using PLESK control panel.

Thanks

 

 

 

 

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