Ubuntu
update-manager package

Problem with Update Manager?

Asked by TaRek

So I'm using Ubuntu 10.04 lycid , and recently everything was more than great, but today i tried to check for updates using the update manager but it couldn't fetch the sources ! it gives me a MSG :
W: GPG error: http://packages.medibuntu.org lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783

I tried sudo apt-get update & upgrade , but it gives me the same problem ,BTW I'm new to linux system.
but I tried to change the source.list to it's default using Google for sure .. but still have the problem .
so is there any possible way to solve this problem ? Can I restore source.list to it's default using terminal or anything else ?
and another question :Could I restore Ubuntu to it's original default settings?
Thanks in Advance , And I'm ready to learn :) ...

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awanti
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Best awanti (awanti) said : 		#1

Go to System -> Administration -> Software Source -> click on ' Other Software' tab here you seach "http://packages.medibuntu.org" (and related medibuntu Links) Just uncheck it. And Close..

Now try to update the system.

And

As per my concern we can't restore the Ubuntu to its original state..

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TaRek (binarylife91) said : 		#2

Thanks awanti, that solved my question.

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marcobra (Marco Braida) (marcobra) said : 		#3

Doing in this way you have removed the medibuntu repository from the linked repositories on your system: nothing wrong, but please add the repository again and add the medibuntu gpg key, it was the error you get here...

Please keep this question close made a new question if you have issue adding the medibuntu repository and/or the gpg key.

Hope this helps