How to switch to a Hybrid kernel in CloudLinux

Introduction

CloudLinux offers Hybrid kernels which being features from kernels not normally available for the operating system's release. For example, a CloudLinux 6 hybrid kernel will have features from a CentOS 7 kernel.

Procedure

To switch to a hybrid kernel, simply perform the following 3 steps:

(Note that these actions must be taken by the Systems Administrator of the server, as rebooting a server is not something that the cPanel staff can perform.)

1 ) Update rhn-client-tools:

yum update rhn-client-tools

2 ) Execute the script:

normal-to-hybrid

3 ) Perform a reboot to ensure the changes take place:

reboot