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Chris Morin
January 29th, 2011, 01:53 AM
Hi, I currently have ubuntu version 10.04 and want to upgrade to 10.10.
I'm supposed to be able to do this from the "update manager" so I changed the settings of "update manager" to show new distribution releases to normal releases (as opposed to the long term support releases). After clicking on "check", I'm not prompted to upgrade, I'm just told my system is up to date. When clicking on check, I receive this error message:

W: GPG error: http://ppa.launchpad.net gutsy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 665F9AEFE1098513

Thanks for the help.

Chris

zvacet
January 29th, 2011, 07:49 AM
In terminal


gksudo gedit /etc/apt/sources.list

and remove that line.Save and close file.


sudo apt-get update && sudo apt-get upgrade

Maybe you can try to reboot and then see if package manager is set for normal releases.

Chris Morin
January 29th, 2011, 07:15 PM
So I did as you said, the error message is gone, but I'm still not prompted to upgrade. I reebooted and the package manager was set to normal releases.
Thanks

Chris

Claudestephane
January 30th, 2011, 11:38 PM
In terminal


gksudo gedit /etc/apt/sources.list

and remove that line.Save and close file.


sudo apt-get update && sudo apt-get upgrade

Maybe you can try to reboot and then see if package manager is set for normal releases.

The first gksudo gedit /etc/apt/sources.list command produced the following, in which I could not find line.Save or anything resembling it. My update manager settings have all but unsupported options checked.
Your thoughts welcome, Claude):P

matt_symes
January 30th, 2011, 11:54 PM
Hi

Open a terminal and type


sudo update-manager --dist-upgrade

Are any errors returned ?

EDIT: Missed the fact you had fixed it.

Kind regards

Chris Morin
January 31st, 2011, 04:02 AM
Hi

Open a terminal and type


sudo update-manager --dist-upgrade

Are any errors returned ?

EDIT: Missed the fact you had fixed it.

Kind regards

Thanks for replying

After doing this I received an error message that my system was already up to date (even though I have 10.04 and want 10.10). So the upgrade didn't work.

matt_symes
January 31st, 2011, 04:13 AM
Hi

Have a look at the command line section of this tutorial.

http://www.ghacks.net/2010/09/28/upgrade-ubuntu-from-10-04-to-10-10/

Kind regards

Claudestephane
January 31st, 2011, 09:39 AM
Thanks Matt,

update-manager --devel-release

uneventfully produced your predicted upgrade button in update manager. Clicking on it seemed to be proceeding through the steps, alerting me that unsupported programs (Oracle's full VirtualBox) would be omitted, and could be added later. Then after a few minutes of gyrating, error msg came up that calculation of .... failed advising reporting a bug with contents of
/var/log/dist-upgrade
/var/log/dist-upgrade/20100113-0139/apt.log
/var/log/dist-upgrade/20100113-0139/apt-term.log
/var/log/dist-upgrade/20100113-0139/main.log
/var/log/dist-upgrade/20100113-0139/term.log
/var/log/dist-upgrade/20100113-0139/xorg_fix_intrepid.log

Does that help solve the problem? Update manager after error msg, simply restored prior OS ver 10.04

Claude:-(

matt_symes
January 31st, 2011, 01:20 PM
Hi

Hmmmm. Not sure what the problem is here.

About the only thing i can suggest is you could update your sources.list file to point to maverick instead of lucid and then try


sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

However i am not 100% sure of the implications of doing this so i would suggest you wait until someone else has a say.

If the worst comes to the worst, back up your back and perform a clean install of 10.10. This is my preferred solution anyway.

Kind regards

Chris Morin
February 2nd, 2011, 03:29 AM
Hi

Have a look at the command line section of this tutorial.

http://www.ghacks.net/2010/09/28/upgrade-ubuntu-from-10-04-to-10-10/

Kind regards

Tried this and it ended up installing 11.04. Decided to just do a fresh install with 10.10.

Thanks for the help.

matt_symes
February 2nd, 2011, 04:39 AM
Hi


Tried this and it ended up installing 11.04


Ehhh. Sorry about that. Not my finest advice.

Kind regards

Chris Morin
February 2nd, 2011, 05:10 PM
Don't worry about it. It probably had to be done anyways.