Dude wrote:Please don't do this -- it won't change /boot/grub/grub.conf, so references to the old kernel will be left behind. Rather, you should use yum to remove the entire kernel package so that it tidies up after itself.
Then simply delete the files that do not belong to these kernel versions and restart again to verify it still works.
HuaMin Chen wrote:DO NOT DELETE THE KERNELS in /boot -- this is very BAD system administration.
If I delete one of the kernels in boot, do you think it will be easy to restore that one day when needed?