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How do you go about creating a bootable backup ISO of my computer (dom0)?

I have tried remastersys and this backs up everything but Xen does not work properly. LiveCDs also do not work.

Does anyone have any ideas for how I could? Would a simple cat /dev/sda > /dev/sdb work ?

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2 Answers 2

Use fsarchiver to backup a volume. Available in most linux repository.

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I am not sure how to make bootable backup ISO, but maybe this will help you a little bit more.

As you wrote

cat /dev/sda > /dev/sdb

will not work. Instead of command cat use command dd

dd if=/dev/sda of=/dev/sdb bs=512

This dd command will create exact copy of your disk /dev/sda to /dev/sdb. You can also copy it to a file, you do not need to use another partition/disk for it.

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Thanks. Do you know of a way to do a "cat" like thing. I want to use my swiss army knife to send it over a network chunk by chunk –  Rell3oT Sep 24 '12 at 22:12
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