Upgrade

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Latest revision as of 08:06, 5 September 2012

Upgrade to a New Version

• This is for a server edition, so for desktop edition, better use Update Manager in GNOME.

• Install update-manager-core

$ sudo apt-get install update-manager-core 

• Use do-release-upgrade to upgrade.

$ sudo do-release-upgrade 

• If the current version is a Long Term Support (LTS) version yet it needs to be upgraded to a normal version, open the file below.

/etc/update-manager/release-upgrades 

• Edit the following line

Prompt=lts

• To this

Prompt=normal

Problems

If upgrading from the LTS to another LTS doesn't work with the following error message.

$ do-release-upgrade 
Checking for a new ubuntu release
No new release found

Try this

$ do-release-upgrade -d 

See also: http://askubuntu.com/questions/125392/why-is-no-new-release-found-when-upgrading-10-04-to-12-04-lts