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I have 12.04LTS installed in wubi and want to know if and how I can upgrade to 14.04LTS.
I do not want a new installation, as that would totally disrupt my current activities and programming.

bain
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user312253
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1 Answers1

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Simply running sudo do-release-upgrade -d from the terminal prompt will take care of it for you. Try to run it from the console on the computer you're upgrading, since if you do it via a terminal session from another system (via ssh or something similar) if the upgrade has issues, or your connection drops, recovering could be problematic.

It worked for me, but not before without issues, as my ssh session timed out multiple times duing the upgrade. I discovered the best way to handle it was to run screen, then run the do-release-upgrade -d from within screen, that way, if you do loose your connection, a simple screen -d will give you back your previous screens, all nice and orderly as they should be.

I did the 12.04 LTS upgrade to 14.04 LTS, but then (accidentally) wound upgrading again to the latest unicorn release too, as I wound typing do-release-upgrade -d again, with my scrollback buffer, so now I'm running a full-blown test release, and having issues, but that's not the fault of the initial do-release-upgrade run.

I hope this helps.

Eliah Kagan
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user240656
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