[CentOS] How can I free the disk space after compiling kernel

[Ian jonhson]

Hi,

I have recompiled my kernel and updated it to kernel-2.6.27.
However, I found there are no more than 1G disk space left
for my jobs.

How can I free my disk space but in the same time keep
all the compiled kernel modules (*.ko files) here?
Can I remove the *.o files created by kernel compiling?
Are there any commands to help me achieve this?


Thanks a lot,

Ian