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I made the mistaking of using GParted to repartition my hard drive before making sure I have an OS reinstall disk ready. I have the iso somewhere in the hard drive.

How can I burn a DVD from this ISO, from the GParted Live CD?

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Start Gparted-Live in X graphical mode (the default).
Gparted-Live provides you with a *Terminal , a Web Browser, and Network connectivity via the Network config icon (typically by using DHCP).

The first thing you need to do is establish a Network connection.

Next, install a CD/DVD burning CLI app. For your situation, wodim can burn your .iso to an optical disk... In the browser, downonload wodim .deb package from

http://packages.debian.org/squeeze/wodim

Next, open a terminal, and run the following command to install it.

sudo dpkg -i wodim*.deb    

To burn your .iso, you typically need to know the CD/DVD burner's device specs/ID. You can use wodim --devices to find it, or, according to man wodim:

As a special exception, the device specification can be -1 or just omitted, which invokes automatic guessing of an appropriate device for the selected operation

Also according to man wodim

If no speed value could be found, wodim uses a drive specific default speed.

To burn your distro.iso to disk, run this command (speed=4 is just an example):

sudo wodim -v -eject speed=4 /path/to/distro.iso

Note:   To find the distro.iso, you will need to identify and mount the partition on which it is located.., To list all partitions:

sudo fdisk -l  

Next, you need a directory to mount it to. Make one in /tmp

mkdir /tmp/myiso   

To mount the partiton /dev/sda1 (for example):

sudo mount /dev/sda1  /tmp/myiso
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Thanks for the detailed answer, I'll try to apply it tonight when I get home. –  ripper234 Jul 29 '12 at 17:10
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