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Possible Duplicate:
Why is “No new release found” when upgrading 10.04 to 12.04 LTS?

i am not seeing 12.04 LTS available for update in Update Manager. i followed the update instructions, and set to lts release only. when on normal release, i see only 10.10. i wish to upgrade to 12.04 LTS.

what am i missing?

my data is backed up, but i have at least 2 yrs of programs installed and i would not like to lose all those programs and configs for various services and such. otherwise i would do a clean install.

suggestions? or more specific instructions please.

thanks. pete

Community
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olyanderson
  • 41

1 Answers1

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Make sure that you have a Backup of everything you absolutely can't afford to lose.

Then just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command below.

sudo apt-get update

sudo apt-get dist-upgrade

Then see if you have the option to upgrade to 12.04. If not then

do-release-upgrade -d

Update: if the above gives you trouble, try:

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

sudo apt-get install update-manager-core

do-release-upgrade -d
Mitch
  • 109,787