Saturday, August 29, 2009

Removing Kernels in Fedora

Whenever you update your system, new available kernels get installed and the preexisting ones do not automatically give way to the new ones. This eats up a lot of memory. Here's how to remove them.


In terminal(Main Menu > System Tools > Terminal) enter the following command to get the full release version of the kernel.


# rpm -q kernel


to remove a version enter:


# rpm -e kernel-version


using the rpm command will also clean up your grub.conf.


CAUTION: Keeping the old kernel is for backup if something goes wrong. So, be careful.


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