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I've a question about upgrading my old Ubuntu 11.04 to the latest version. How can I do this without loosing my settings and data?

A J
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Marco
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    This question has been asked before, I suggest you make a backup and follow the instructions to this question: http://askubuntu.com/questions/110477/how-do-i-upgrade-to-a-newer-version-of-ubuntu – Minos Jan 12 '15 at 11:20

2 Answers2

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Since Ubuntu 11.04 release has reached "End of Life", it could take additional steps to upgrade. Ubuntu Documentation has article describing the process:

The steps are:

  1. Determine if backup required (and make one) if things go wrong.

  2. Make sure you have the following lines at /etc/apt/sources.list:

    deb http://old-releases.ubuntu.com/ubuntu/ natty main restricted universe multiverse

    deb http://old-releases.ubuntu.com/ubuntu/ natty-updates main restricted universe multiverse

    deb http://old-releases.ubuntu.com/ubuntu/ natty-security main restricted universe multiverse

  3. Update the package list and upgrade all the installed packages:

    sudo aptitude update && sudo aptitude safe-upgrade

  4. Perform the release upgrade:

    sudo do-release-upgrade

dess
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Please using the below command and check the new update available for upgrade, 

lsb_release -a

After checking the update, try with the below commands and upgrade the ubuntu to latest version, 

 sudo apt-get update

 sudo apt-get dist-upgrade

Hope this helps.

BDRSuite
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    `apt-get dist-upgrade` [doesn't upgrades](http://askubuntu.com/q/215267/65926) Ubuntu from an older to a newer version. – Eric Carvalho Jan 12 '15 at 14:00