Step 1: install update-manager-core
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get install update-manager-core
Step 2: Update Jaunty 9.04 to Karmic 9.10
edit /etc/apt/sources.list to replace "jaunty" with "karmic"
$ sudo apt-get update
$ sudo do-release-upgrade
Step 3: Update Karmic 9.10 to Lucid 10.04
edit /etc/apt/sources.list to replace "karmic" with "lucid"
$ sudo apt-get update
$ sudo do-release-upgrade
To check your server version:
$ lsb_release -a
Source:
http://echenh.blogspot.com/2010/04/how-to-upgrade-ubuntu-server-904-to-910.html
https://help.ubuntu.com/community/LucidUpgrade
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