How to update Ubuntu kernel to latest version

Update Ubuntu kernel to Latest version (Updated 2018.04.08)

OS: Ubuntu 14+, XEN, KVM 64bit

Goto: http://kernel.ubuntu.com/~kernel-ppa/mainline/

// Download the version you like
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16/linux-image-4.16.0-041600-generic_4.16.0-041600.201804012230_amd64.deb

// install it
dpkg -i linux-*

// update grub
/usr/sbin/update-grub