How To Update Ubuntu 11.04 Kernel To 2.6.39-0

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本文介绍如何解决Ubuntu 11.04中Unity桌面环境与显卡驱动及内核不兼容导致的系统卡顿问题。通过更新默认的2.6.38-8内核到2.6.39-0版本，可以有效提升系统的稳定性和性能。文章提供了详细的步骤指导，包括添加内核PPA源、检查可用内核版本、安装新内核并重启系统。

http://www.addictivetips.com/ubuntu-linux-tips/how-to-update-ubuntu-11-04-kernel-to-2-6-39-0/

Ubuntu 11.04 has many known issues mentioned on its release notes. One post mentioned the issue of a bad interaction between Unity, the GL driver and the kernel, which often hangs the system. Updating the default 2.6.38-8 kernel can resolve such issues. In this post we will tell you how to update the Ubuntu 11.04 Kernel to 2.6.39-0.

Note: Once the Kernel is installed, you will require restarting the system for the changes to take effect, make sure you backup all your data before applying the below mentioned changes.

Old Kernal

Open the Terminal and add the Kernel PPA (Personal Package Archive) by entering the following commands:

sudo add-apt-repository ppa:kernel-ppa/ppa

sudo apt-get update

Check available Kernal by entering the below command. The 2.6.39.0 kernel should appear in the list.

apt-cache showpkg linux-headers

Finally, run this command to update your Kernel.

sudo apt-get install linux-headers-2.6.39-0 linux-headers-2.6.39-0-generic linux-image-2.6.39-0-generic --fix-missing

Restart your system for the changes to take effect. The system might become slow to respond during the restart, as the Kernel is updated.

Restart to complete update

To verify that the update has been successful, open System Monitor and head over to the System tab.

New Kernel