How To Automatically Mount An Ubuntu CD Image And Use It As An Additional Software Repository

I’ll assume you have an iso image named ubuntu-7.04-alternate.iso in your home folder (for convenience). If you do not have the iso but have the ubuntu cd, you can create an image like this:

cd to the directory you want the iso in, e.g.:
cd ~

then:
sudo dd if=/dev/cdrom of=ubuntu-7.04-alternate.iso

* If you already have the ubuntu image, then let’s create the mount point (folder). Open a terminal and do this:

sudo mkdir /media/ubuntu-7.04-alternate

* We want to mount the image automatically when the computer starts. Edit the fstab file like this:

gksudo gedit /etc/fstab

You can use your favorite editor here… users of kubuntu may replace ‘gedit’ with ‘kate’

* Append the following line to the file you’ve just opened

/home/$username/ubuntu-7.04-alternate.iso /media/ubuntu-7.04-alternate iso9660 ro,loop,auto 0 0

Remember to replace $username with your username

* Save the file and exit.

* Type the following command to mount the image:

sudo mount -a

* Type in the following command to edit your apt sources list file:

gksudo gedit /etc/apt/sources.list

* Add the following line to the file:

deb file:/media/ubuntu-7.04-alternate/ feisty main restricted

This will work for a feisty fawn image. Replace feisty with the appropriate version of ubuntu you are working with… dapper, edgy, hoary, et cetera.

* Save and close the file

* Update your package index like this:

gksudo apt-get update

* That’s it…

Cheers,
Odzangba.

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