Many of you might have noticed that on Fedora 9 you cannot install more than two kernels by default. The moment you want to update your kernel it replaces the older one. Now this can be very problematic if the new kernel does not suite your system. Well for that follow these steps:
To keep more than 2 kernels
Edit /etc/yum.conf, change
Where is x tells the system the number of kernels you want.