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I want to backup all my installed applications so that I can use them in fresh installation of Ubuntu (12.04 as of now) later. APTonCD only picks up .deb ( at /var/cache/apt/archives) but I have installed packages by downloading from the internet. What I want to backup all my applications and configurations so that I do not have to go through the hurdle again.

This and this are useful but I guess solution to my problem is simpler than this.

Why can't I backup all everything within the root (/) and then when ubuntu is installed fresh just copy all the files to the new / and then do sudo apt-get update and update grub and etc/fstab? Please help this newbie to understand this.

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marked as duplicate by andrew.46, Videonauth, Eric Carvalho, David Foerster, MadMike Jul 6 at 8:17

This question was marked as an exact duplicate of an existing question.

    
Have you compiled/installed any packages from source that are not in the repositories? – jm_____ Dec 16 '13 at 16:49
    
Yes. I could not found texstudio in /var/cache/apt/archives although its there and I use it – Stat-R Dec 16 '13 at 17:25

Try Aptik.

To install it:

sudo apt-add-repository -y ppa:teejee2008/ppa 
sudo apt-get update 
sudo apt-get install aptik 
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Will look at it... – Stat-R Feb 14 '14 at 22:06

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