Upgrade Ubuntu 7.04 (Feisty Fawn) to Ubuntu 7.10 (Gutsy Gibbon)

The Ubuntu team is proud to announce the version 7.10 of Ubuntu, Kubuntu, Edubuntu, Gobuntu, and Xubuntu codenamed "Gutsy Gibbon". This includes installable live Desktop CDs, server images, alternate text-mode installation CDs, and an upgrade wizard for users of the current stable release.

Before Upgrading You need to remember the following Important point

Take complete backup of your system before upgrading .Now you need to upgraded Ubuntu Feisty Machine to Ubuntu Gutsy.

If you want to upgrade using GUI use the following procedure

Use the Alt+F2 key combination to bring up the Run Application dialog, where you'll want to enter the following command

update-manager -c

“-c” switch tells it to look for upgrades at all.

You should see the following screen here Now you can see 7.10 is available for upgrade click on upgrade

Now you should see the release notes as follows here you need to click on upgrade

Preparing for the upgrade in Progress

You can see similar to the following screen about end of support for some applications click on close

Now you should see the following screen to start upgrade click on start upgrade

Fetching the upgrades are in progress

Installing the upgrades are in progress

Cleaning Up is in Progress

You need to restart the system to complete the Upgrade by clicking “Restart Now”

Testing Your Upgrade

You can check the ubuntu version installed using the following command

sudo lsb_release -a

Output Looks like below

Ubuntu 8.04 (Hardy Heron) Release Dates

In addition to Ubuntu 6-months stable releases and the next version of ubuntu is 8.04 with Code Name “Hardy Heron” but this release will proudly wear the badge of Long Term Support (LTS) and be supported with security updates for five years on the server and three years on the desktop.

Saving Power on Intel Hardware Using Powertop

PowerTOP is a Linux tool that finds the software component(s) that make your laptop use more power than necessary while it is idle. As of Linux kernel version 2.6.21, the kernel no longer has a fixed 1000Hz timer tick. This will (in theory) give a huge power savings because the CPU stays in low power mode for longer periods of time during system idle.

However... there are many things that can ruin the party, both inside the kernel and in userspace. PowerTOP combines various sources of information from the kernel into one convenient screen so that you can see how well your system is doing, and which components are the biggest problem.

Requirements

For PowerTOP to work best, use a Linux kernel with the tickless idle (NO_HZ) feature enabled (version 2.6.21 or later). Currently, only 32-bit kernels have support for tickless idle; 64-bit kernels are expected to gain this feature in version 2.6.23.

This only applies to Feisty. Also note that you need kernel 2.6.21 or above.

Install the following prerequisites

sudo apt-get install build-essential libncurses5-dev libncursesw5-dev

Download the latest powertop source from here

Put the source in /usr/src and unpack using

sudo tar -xvf powertop-1.8.tar.gz

Compile using the following command

cd powertop-1.8

sudo make

sudo make install

You can also use "checkinstall" instead of "make install" to create a simple .deb for easier removal.

Run powertop using the following command

sudo powertop

Powertop Output shown as follows