INFORMATICS

how to create an image to an external drive

1. 1. Run the Gnome Disks utility from the Ubuntu programs menu - WRITE DISKS
2. Select the external drive or disk, and then choose “Create Disk image…”.
3. Create a file name for the image, choose the folder to store the image, and then press the “Start Creating…” button to begin the process.
4. Wait for the process to finish. It could take a couple of hours to finish.

To backup to a compressed image using a terminal, simply run the following command:

sudo sh -c "dd if=/dev/sda status=progress | xz -c > /media/cupc/image.img.xz"

Replace /media/cupc/image.img.xz with the location where you wish to store your disk image.

It may take a couple of hours to complete.

1. 1.Run the Gnome Disks utility from the Ubuntu programs menu.
2. Select the 120GB Disk, and then choose “Restore Disk image…”.
3. Browse to the location of the image file.
4. Press the “Start Restoring…” button.
5. Confirm by pressing the “Restore” button.

Using the Terminal

sudo sh -c "xz -d -c /media/cupc/image.img.xz | dd of=/dev/sda status=progress"