Update to Linux Kernel 4.4.21 on Ubuntu System. Terminal commands to install Linux Kernel 4.4.21 LTS on Ubuntu 16.04 Systems. Linux Kernel 4.4.21 is a LTS (Long Term Support) kernel build. It is one of the most advanced Kernel update and brings numerous updates and fixes. Kernel 4.4.21 brings a total of 207 files, with 3033 insertions and 1811 deletions.
“I’m announcing the release of the 4.4.21 kernel. All users of the 4.4 kernel series must upgrade,” says Greg Kroah-Hartman. “The updated 4.4.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.4.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary.”
Linux kernel 4.4.21 LTS contains many updates for networking drivers and system architecture. It also brings multiple core Kernel fixes.
Install Linux Kernel 4.4.21
32 Bit Ubuntu Systems
Run the following command in terminal to install Linux Kernel 4.4.21 on 32 Bit Ubuntu systems:
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421_4.4.21-040421.201609150330_all.deb
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421-generic_4.4.21-040421.201609150330_i386.deb
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421-lowlatency_4.4.21-040421.201609150330_i386.deb
$ sudo dpkg -i 'linux-headers-4.4*.deb' 'linux-image-4.4*.deb'
$ sudo reboot
64 Bit Ubuntu Systems
Run the following command in terminal to install Linux Kernel 4.4.21 on 64 Bit Ubuntu systems:
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421_4.4.21-040421.201609150330_all.deb
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421-generic_4.4.21-040421.201609150330_amd64.deb
$ wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.21/linux-headers-4.4.21-040421-lowlatency_4.4.21-040421.201609150330_amd64.deb
$ sudo dpkg -i 'linux-headers-4.4*.deb' 'linux-image-4.4*.deb'
$ sudo reboot
Once installed, please update and then upgrade the system running the following command:
sudo apt-get update
sudo apt-get upgrade