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I want to upgrade my Ubuntu 13.04 to the latest Ubuntu 13.10, but it seems it doesn´t want to do it so. This is what I´ve tried (after a backup):

1. Using the GUI first:

Clicked on "Software Updater"

It appears the message "Software Updates are no longer provided for Ubuntu 13.04. To star secure, you should upgrade to Ubuntu 13.10".

I click on "Upgrade..." Button

After the "authentication is required" message...

Nothing happens! I wait and wait and nothing happens. No process, no nothing.

2. I try then the command line method typing these:

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

After all processes are finished, I then type:

sudo apt-get install update-manager-core

The message I receive is:

update-manager-core is already the newest version.

I then type:

sudo apt-get autoremove

It does remove some gimp related help file.

And then I type:

sudo do-release-upgrade

The messages I get are these:

Checking for a new Ubuntu release. No new release found

Then I go again to the GUI Software Updater, and in fact, I still got the 13.04 version.

The same thing after a system restart.

What should I do?

share|improve this question
This might be a weird question, but are you connected to the internet for it? And what answer did the terminal give you to the dist-upgrade command? –  Dan Johansen Mar 8 '14 at 19:11
Yes, I´ve checked that the internet connection work. After the dist upgrade the result was all in zero, because noting was upgraded I guess. –  Rosamunda Mar 9 '14 at 13:32

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