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Use existing Ubuntu partition as an installation image?

I'm using Ubuntu 11.10, and wondering if it is possible to create an installation disk/image from my existing installation.

I need to install it on my friend's PC. I'm just wondering, can it be done, or do I have to download the whole installation again?

If any are wondering why I would bother to do this, it is just because Internet speed here isn't any good, monthly quota is pretty low, and the prices are even worse.


We used to commercial package Acronis true image live cd to take one Ubuntu computer full image and deploy onto another computer.

But there is a good alternative for Acronic live CD. That is Clonezilla Live

  • Donwnload from here -> Clonezilla live ISO file

  • Burn it on CD

  • Prepare external Hard disc to take your computer image.

  • and, follow the steps to take a backup and restore. Refer this Doc for more info.

  • but if it takes an exact image of my installation, won't that create some trouble on the other PC I'm installing it on? (I'm using a Sony Vaio Laptop, while he is using a custom built desktop PC)
    – Dan
    Feb 17 '12 at 15:10
  • It will format the other PC
    – Achu
    Feb 17 '12 at 15:22

Yes it is possible. Check this article.. http://ubuntuforums.org/showthread.php?t=688872

Think this will be helpful.

  • This may therocticaly answer the problem but askubuntu you should post the steps instead of just posting link visit faq again :)
    – Tachyons
    Feb 17 '12 at 16:25

Remastersys, it is free tool for it you can install it via ppa

You can find more info here remastersys forum

Installation instructions quoted from remastersys forum.

The Synaptic Method:

  1. In Firefox, go to:

    http://www.remastersys.com/ubuntu/remastersys.gpg.key save file as text someplace where you can find it.

  2. In synaptic, go to Settings/Repositories; select "Authentication" tab and "Import Key File" just downloaded.

  3. Still in synaptic, go to "Other Software" tab and click "Add", then enter the apt line and replace oneiric with either lucid, maverick, or natty to match your Ubuntu version:

    deb http://www.remastersys.com/ubuntu oneiric main

  4. Leave the repositories tab and "Reload".

  5. Search for "remastersys" and select for install. Edit/Apply Marked Changes.

The Manual Method

Download and apply the repository signing key.

wget -O - http://www.remastersys.com/ubuntu/remastersys.gpg.key | sudo apt-key add -

Add the following line to your /etc/apt/sources.list, substituting "oneiric" for your Ubuntu version (e.g. lucid, natty, maverick)

deb http://www.remastersys.com/ubuntu oneiric main

Now just sudo apt-get update or reload in Synaptic to have the new Remastersys signed repository ready to use!


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