Upgrade Ubuntu 6.10 (Edgy Eft) to Ubuntu 7.04 (Feisty Fawn) Beta

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Ubuntu 7.04 is the current development version of the Ubuntu operating system. It is to be released in April 19th 2007.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 points

1) Take comple backup of your system

2) Ubuntu feisty is still in beta stage

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 -d”

The “-d” switch instructs Update Manager to consider pre-release versions and “-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


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


Just type the following command in your terminal

cat /etc/issue

Output Lokks like below

Ubuntu feisty (development branch) \n \l

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18 Responses

  1. Jorge says:

    Testing your upgrade: You can also click System -> About Ubuntu the first or second paragraph will tell you which version of Ubuntu you have installed. I knew there had to be command. Great site keep up the good work!

  2. Great tutorial! The c/l option worked for me.

    GUI upgrade went well, but it could not find two upgrade repositories.

    Some of the explanation could be a bit more concise…

    gksu “update-manager -c -d” –This command fails, as “ud**” is not listed as an allowed parameter.

    Edit your /etc/apt/sources.list as root. Change every occurrence of dapper to edgy. –Don’t you mean from edgy to feisty?

    sudo sed -e ’s/\edgy/ feisty/g’ -i /etc/apt/sources.list –Missing parameter, line 1


  3. admin says:

    jason thanks for your feedback i have updated the tutorial now

  4. Litos says:

    Oh, boy… Everything went fine and dandy, except for one little detail:

    My fonts are dead!!! Instead of letters, I get tiny squares all over the menus and system stuff (I can read the terminal and the contents of non-system stuff, like Firefox and Amarok, though…)

    Any idea how to mend this thing? Any help would be very appreciated


  5. Lee says:

    I can report the same font issue, totally identical description. I’ve no idea, nor time spent as to what may be the problem, so far. But this is just a test machine, really.

  6. Leander Conferido says:

    I followed your guide but the thing is this error message appeared:

    W: GPG error: http://medibuntu.sos-sts.com edgy Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783

    What should I do to remedy this error? Thanks.

  7. admin says:

    you need to comment out medibuntu source list from /etc/apt/sources.list file

  8. Leander Conferido says:

    How do I comment out the medibuntu source list? What are the exact commands that I should type? Thanks.

  9. admin says:

    edit the /etc/apt/sources.list file using the following command

    sudo vi /etc/apt/sources.list

    look for medibuntu put # on starting of the lines save and exit the file

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

    sudo apt-get update

  10. Daniel Clark says:

    I found I had to do:

    gksu -- update-manager -c -d

    to avoid getting errors.

  11. Lee says:

    fyi, I fixed my ‘fonts = squares’ problem, by semi-blindly navigating to synaptic, and hit the buttons successfully to that all would update. I tried various ‘aptitude’ commands to no avail. but that was yesterday and I see Daniel Clark’s command seems to achieve an identical fix. At any rate, once the update finished and I restarted, everything has been groovy.

  12. Is it possible to perform the upgrade to Feisty from Edgy where the later isn’t an english version but a danish?

    By now I really don’t care if my Ubuntu is in english or danish.. now I know my way around in it.

  13. Hello, its a great manual so i have a problem. I use the GUI upgrade version and later than reboot the machine this no boot, I try with recovery mode and this give me a error message referent to modules loading… great eh???
    Now I write this message using System Rescue CD, my real frend, and I dont know how solve my problem, simply my machine dont boot…
    thanks for any sugerence…

  14. DrM says:

    There is a blank too much in the sed command.
    Should read
    sudo sed -e ’s/\edgy/feisty/g’ -i /etc/apt/sources.list

    Otherwise it worked perfectly,


  15. tom gilchrist says:

    I tried repeatedly to upgrade my Edgy install to Feisty on my Averatec 3200 notebook (has 512 MB RAM, Mobile Athlon XP-M 2200+ chip & 802.11g wireless)- no joy. Also tried using a live CD of Feisty to do a completely clean install- same end result. I do get the login screen, but the mouse stops/starts intermittently for no apparent reason. I once got through the login process, but after 20 minutes, it never made it to the desktop. Has anyone else had this prob? Edgy screams on this computer (and I’ve since reloaded it), but I’m tremendously envious of *everyone* else running 7.04. Help! 🙂

  16. Eric B says:

    So far so good. This helped me out a lot. I was getting the error mentioned above before running gpg and the control C option. What is that exactly. I hate to have a solution, but no idea as to what it did.

  17. Allen Riddell says:

    Hey Todd, I’ve got an Averatec as well. There’s a bug that affects Averatec (and Philips) laptops in Feisty. Check out: https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/90271

    There’s a short-term fix: add acpi=noirq to your grub kernel boot options.

  18. Michael Skotiniotis says:

    I have the same problem as Alexander Rodriguez. Granted i sort of left the mahine to update on its own. When i came back it hadnt prompted me to restart, and nothing was working. Shutting it down and restarting ended up in me watching the ubuntu logo and nothing happening. When in recovery mode i spotted a bunch of errors which the machine fixed, but the alarming thing is that it still doesnt load. It says that the kernel cannot sinc and that there is a probelm with init! ( i am not quite sure of the exact statement)

    I have no ubuntu distro now, and i really need it.

    Can anyone help?

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