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How to install software or upgrade from old unsupported release?

I am using Ubuntu 11.04 at the moment. I like GNOME 2 and its classic desktop environment. I would prefer to stay with it for as long as I can, even after it reaches EOL (end of life).

However, I am not fully satisfied with Natty and am considering downgrading to 10.10, which expires in April this year.

Suppose I install Ubuntu 10.10 after April, will the existing updates be available, or will Canonical kill off the repositories for 10.10 completely? Will the Software Centre still be functional then?

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marked as duplicate by Jorge Castro, Mik, RolandiXor, Tom Brossman, Takkat Sep 25 '12 at 21:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 10 down vote accepted

From memory, the repositories for end-of-life releases are moved within weeks of the EOL date.

To clarify - they are moved, not removed. EOL release repositories are available at

End-of-support means that Canonical will no longer actively push out updates and security patches. You will be responsible to do this yourself - probably through downloading sources yourself, compiling and installing.

As time goes by, though, you will find that the usual source of newer software - PPAs, will tend to dry up as the maintainers move onto newer versions of ubuntu.

Moving the repositories doesn't mean that you will be unable to install software - you will just need to repoint your sources to the old-releases area:

Edit /etc/apt/sources.list and change '' to ''

You can do this with sed

sudo sed -i -e 's/' /etc/apt/sources.list

then update with

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

Thus - synaptic/software-center etc will still work correctly.

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Done. I've actually earned a few badges once I ticked the answers to my questions. Nice :) – Koffeehaus Feb 19 '12 at 12:04
EOL releases get no updates though, so you should upgrade to a supported release. Just thought I should say it. – Thomas W. Sep 25 '12 at 13:50

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