Ubuntu 12.04 system boot space is insufficient to delete the old kernel

In Ubuntu 12.04 system, there is sometimes a shortage of space in the /boot space, and there are many reasons for this situation. If it is occupied by the old kernel, it should be cleaned up. Everyone introduces how Ubuntu removes the old kernel.

question:

update when prompted Ubuntu 12.04 system /boot space is insufficient, when the look is old kernel fill the /boot partition

look how many system kernel:

because it has been deleted four old kernel, so the display & ldquo; deinstall & rdquo ;, Next remove the old kernel:

sudo apt-get remove linux-image- 3.2.0-31-generic-pae

Check the /boot partition again to make room for the system!

The above is how Ubuntu deletes the old kernel. If you delete the old kernel/boot space, it is still caused by other reasons.