Current Kernel

~$ uname -r

Download Pre-build Kernel

The official mianline pre-build kernel by Ubuntu development team

We need to download linux-headers-xxx-all.deb, linux-headers-xxx-generic.deb and linux-image-xxx-generic.deb.

~$ wget
~$ wget
~$ wget

Installation and reboot

~$ dpkg -i *.deb

Remove old kernel

We will use byobu which an great utility can safely remove and purge old kernel from our system.

~$ sudo purge-old-kernels

Update GRUB

~$ sudo update-grub