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Ubuntu 7.04 is the current stable version of the Ubuntu operating system. The common name given to this release from the time of its early development was “Feisty Fawn”.

Before Upgrading You need to remember the following point

Take comple backup of your system before upgrading
Now you need to upgraded my Ubuntu Edgy Machine to Ubuntu Feisty.

We can Use Two methods to upgrade Ubuntu Edgy to Ubuntu Feisty

1) Using GUI

2) Using apt-get

Upgrading Ubuntu Edgy to Ubuntu Feisty

Method 1 – Using GUI

If you want to upgrade using GUI use the following command

gksu “update-manager -c ”

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

You should see the following screen here Now you can see 7.04 is available for upgrade click on upgrade

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

Once you click on upgrade you might get the error “Authentication failed”

You need to fix the above error for this open the terminal and type the “gpg” and press enter once you see the following message

gpg:Go ahead and type your message …

Press Ctrl+C and then start the install process again.

Now you should see the following screen downloading upgrade tool

You need to enter root password and click ok

Preparing the upgrade in progress

You need to confirm the upgrade process by clicking “Start Upgrade”

Download in progress for all the required packages for Upgrade

Installation in progress

If you click on Terminal to see detailed installation in progress

Cleaning Up is in Progress

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

Method 2 – Using apt-get

Edit your /etc/apt/sources.list as root. Change every occurrence of edgy to feisty.

Use any prefered editor. If you have a CD-ROM line in your file, then remove it.

sudo vi /etc/apt/sources.list

or

use the following Simple command

sudo sed -e ’s/\edgy/ feisty/g’ -i /etc/apt/sources.list

Now you need to update the source list using the following command

sudo apt-get update

Upgrade using the following command

sudo apt-get dist-upgrade

Double check your process was finished properly using the following commd

sudo apt-get -f install

sudo dpkg --configure -a

Now you need to Reboot your machine to take your new ubuntu 7.04 installation to effect all changes.

Testing Your Upgrade

You can check the ubuntu version installed using the following command

sudo lsb_release -a

Output Looks like below

Distributor ID: Ubuntu
Description: Ubuntu feisty (development branch)
Release: 7.04
Codename: feisty

or

Just type the following command in your terminal

cat /etc/issue

Output Lokks like below

Ubuntu feisty (development branch) \n \l

• Inkscape Vector Graphics Editor in Ubuntu
• Manage Your Personal accounts with Eqonomize!
• Special Characters made easier in Ubuntu
• Display system Information (Uptime,CPU,Memory,SCSI,IDE,PCI,Ethernet,Floppy,and Video) Using Phpsysinfo
• Keeping your System clock current, automatically via Network Time Protocol (NTP)
• Install Exaile media player and Enjoy Your Music in Ubuntu
• Install d4x Download manager in Ubuntu