[CentOS] Eliminate old kernels

iagosineiro at yahoo.es wrote:
> Is there any commad for eliminate old kernels from grub instead of edit 
> manually grub.conf and eliminate the files from /boot?

To see which kernels are installed:
rpm -qa | grep kernel

then remove via :
yum remove kernel-2.6.9-11.EL

(assuming that's the kernel you wish to remove).

Regards,

Sean