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Update: Linux Kernel 3.2 Installation via PPA From Here.

In this guide we will help you upgrade your current Kernel version to 3.1 under Ubuntu 11.10/11.04. Before we start, I should note that users of Ubuntu 11.10/11.04 in VirtualBox will not be able to use the copy/paste feature once they upgrade to Kernel 3.1.

That means copying from host to guest or vice versa will not work once you upgrade your kernel. This also happens when doing a Ubuntu upgrade (sudo apt-get upgrade).

The new cool features incorporated in this latest stable version of Linux kernel 3.1.4 includes the following:

  • Near-field communication (NFC) support 
  • OpenRISC CPU architecture support
  • Dynamic writeback throttling
  • More hardware driver support
  • 3D support for new NVIDIA graphics chips 
  • Virtualisation enhancements for Xen and KVM 
  • iSCSI implementation 
  • Wii controller support, etc. 
Getting Started

Open the terminal and run these two commands for both 32-bit and 64-bit versions of Ubuntu 11.10/11.04:

wget -O linux-headers-3.1.4_all.deb http://goo.gl/KlG7G
sudo dpkg -i linux-headers-3.1.4_all.deb

Ubuntu (32-bit)

For Ubuntu 11.10/11.04 (32-bit), run these commands:

wget -O  linux-headers-3.1.4.deb http://goo.gl/SZB6t
sudo dpkg -i linux-headers-3.1.4.deb

wget -O linux-image-3.1.4.deb http://goo.gl/nvq3J
sudo dpkg -i linux-image-3.1.4.deb

Ubuntu (64-bit)

For Ubuntu 11.10/11.04 (64-bit), issue these commands:

wget -O linux-headers-3.1.4-generic_3.1.4_amd64.deb http://goo.gl/sUKwY
sudo dpkg -i linux-headers-3.1.4-generic_3.1.4_amd64.deb

wget -O linux-image-3.1.4-generic_3.1.4_amd64.deb http://goo.gl/eBkYs
sudo dpkg -i linux-image-3.1.4-generic_3.1.4_amd64.deb

Reboot now your system, then open the terminal and run this command to check your Kernel version:

uname -r

The output returned will be something like this:

~$ uname -r
3.1.4-030104-generic

That's it!

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