You can install it, but you won't benefit much from it (depends on why you need APC though). When using suEXEC, every request for a dynamic page spawns a new process (which has a new, separate instance of APC). APC does not support shared memory, yet.
http://www.vbulletin.com/forum/entry.php?2234-Installing-APC-on-CentOS-5-Server
try out above link
:)
You can install it, but you won't benefit much from it (depends on why you need APC though). When using suEXEC, every request for a dynamic page spawns a new process (which has a new, separate instance of APC). APC does not support shared memory, yet.