How to change your Apache MPM – cPanel

Introduction

How to change your Apache MPM within the interface or the command line.

Procedure

Within the interface:

Navigate to WHM » Software » EasyApache 4 and click on Customize on your current profile.
Uninstall and Install the MPM you desire and press Review to begin the installation/uninstallation process:

Within the command line:

To change your system’s MPM on the command line in EasyApache 4, use the yum shell command. The yum shell command issues several commands in a single transaction.

Warning:

If you remove an MPM via the command line but do not use the yum shell command, the system will uninstall the ea-apache24 package.
Do not remove the Apache stack completely.

How to replace the worker MPM with the event MPM

To replace the worker MPM with the event MPM, run the following commands:

yum shell
remove ea-apache24-mod_mpm_worker
install ea-apache24-mod_mpm_event
run

How to replace the worker MPM with the prefork MPM

To replace the worker MPM with the prefork MPM, run the following commands:

yum shell
remove ea-apache24-mod_mpm_worker
remove ea-apache24-mod_cgid
install ea-apache24-mod_mpm_prefork
install ea-apache24-mod_cgi
run

How to replace the event MPM with the prefork MPM

To replace the event MPM with the prefork MPM, run the following commands:

yum shell
remove ea-apache24-mod_mpm_event
remove ea-apache24-mod_cgid
install ea-apache24-mod_mpm_prefork
install ea-apache24-mod_cgi
run

For more information, please read the following documentation: https://docs.cpanel.net/ea4/apache/multi-processing-modules-mpm/#change-your-apache-mpm.