Knowledgebase

After you login cpanel, search for "EasyApache" in left column and click on the link
Select "Previously Saved Config" and click on "start customizing"
For both Apache and PHP, click on "next step" button
Look for "xcache for php" and check the box
Click on "save and build"
Allow the build process to finish
To enable xcache, you will need to make changes to php.ini before it can be used by your scripts.
Login into your server using SSH
After you login, enter "pico  /usr/local/lib/php.ini"
Hold ctrl+W and search for "xcache"
Make necessary changes and to enter ctrl+O to save the file
Aftererwards you will need to restart Apache in WHM for changes to take affect.

Here is recommended settings for xcache in cPanel ---  

xcache.admin.pass=""
xcache.admin.user="mOo"
xcache.cacher="On"
xcache.coredump_directory=""
xcache.count="1"
xcache.coveragedump_directory="/tmp/pcov/"
xcache.coverager="Off"
xcache.gc_interval="300"
xcache.mmap_path="/dev/zero"
xcache.optimizer="On"
xcache.readonly_protection="Off"
xcache.size="50M"
xcache.slots="8K"
xcache.test="Off"
xcache.ttl="3600"
xcache.var_count="2"
xcache.var_gc_interval="300"
xcache.var_maxttl="7200"
xcache.var_size="16M"
xcache.var_slots="8K"
xcache.var_ttl="3600"