If you may get an error Undefined subroutine & cPanel when you are execute upcp script on CentOS,

# /scripts/upcp


/scripts/upcp syntax OK

Running Futex Check/Fix......Done

Undefined subroutine &Cpanel::Update::automatic_updates_enabled called at /scripts/upcp line 273.


Just dowload and execute the following perl script,
# wget -O /root/updatenow.static http://httpupdate.cpanel.net/cpanelsync/RELEASE/scripts/updatenow.static && perl /root/updatenow.static --manual


Now, run upcp script again it should be updates,
 
# /scripts/upcp --force