UbuntuHow to Fix "Not enough free disk space on /boot" Error on UbuntuHow to Fix "Not enough free disk space on /boot" Error on Ubuntusudo apt-get autoremovedpkg -r <old-kernel-name>References:Kernel panic fixed on mother’s laptop (Ubuntu 13.10)No space left on device while upgrading the kernelHow can I use Kernel 3.19 in 14.04 nowYou may need to re-run your boot loader [grub]