A few things to remove that are unneeded on your CentOS server
By Robin Rowe
HOLLYWOOD, CA (LinuxMovies) 9/18/2011 – CentOS is a Redhat-based Linux that many use as a server. Here are a few things to jettison that a server doesn’t typically need.
To disable X11 you could change your run level to 3 and edit the initdefault line in your /etc/inittab file. To get rid of X11 entirely, so you’re not updating useless packages with yum update, use this:
yum groupremove “X Window System”
We may want to put ImageMagick back.
yum install ImageMagick
We don’t need SAMBA:
yum remove samba-common