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