Kernels RPMs are install only packages but CentOS 4 has no limit on the number of install only packages it will keep around, so you can easily end up with years worth of kernels installed on your server. This doesn’t cause any harm but it can be annoying to have so many un-needed packages installed and they can take up space.
You can see all the kernels installed with the command below. The example below has 39 regular kernels and 39 SMP kernels installed. Read morePosted in: CentOS