The Linux Kernel 3.11.2 has been released. All users of the 3.11 kernel series must upgrade.

This tutorial shows you how to install / upgrade this kernel in Ubuntu 13.04, Ubuntu 12.04, Ubuntu 12.10 and Linux Mint.

Kernel 3.11.2 contains lots of fixes and improvements, see the official release note.

To get started, press Ctrl+Alt+T on your keyboard to open terminal. When it opens, follow the steps below:

For 32-bit systems:

Download the DEBs:

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-headers-3.11.2-031102-generic_3.11.2-031102.201309262136_i386.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-headers-3.11.2-031102_3.11.2-031102.201309262136_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-image-3.11.2-031102-generic_3.11.2-031102.201309262136_i386.deb

Install the kernel:

sudo dpkg -i linux-headers-3.11.2*.deb linux-image-3.11.2*.deb

For 64-bit systems:

Run commands one by one to download the DEBs:

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-headers-3.11.2-031102-generic_3.11.2-031102.201309262136_amd64.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-headers-3.11.2-031102_3.11.2-031102.201309262136_all.deb

wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/linux-image-3.11.2-031102-generic_3.11.2-031102.201309262136_amd64.deb

Then install them:

sudo dpkg -i linux-headers-3.11.2*.deb linux-image-3.11.2*.deb

Once installed, reboot your machine.

(Optional) If you have any problem with this kernel, you can run below command to remove it:

sudo apt-get purge linux-image-3.11.2*

Kernel PPA:http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.2-saucy/

Enjoy!