Currently I'm using Ubuntu 12.04. I would like to upgrade to 14.04.
Should I backup some important such as those of the web root folder ? If I would need so, how should I proceed ?
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pico
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No, you do not need to backup anything. – May 05 '14 at 06:38
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To be safe, always back up important data. If you don't have a regular backup scheme, you should likely develop one. – belacqua May 09 '14 at 16:52
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A lot of settings are stored in the hidden folders and files (names starting with ., use Ctrl+H to see them) in your home directory, so I'd make a backup of your home directory. Furthermore, with dpkg-query -l > ~/dpkg-list.txt, you save a list of the programs you installed. You can use it to reinstall these programs after you installed 14.04 on a clean disk/partition.
On the other hand, I believe you can simply update to 14.04 by means of the Update Manager without having to worry about the home directory and packages.
This question is a duplicate of http://askubuntu.com/questions/110477/how-do-i-upgrade-to-a-newer-version-of-ubuntu by the way.
Adriaan
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