Backup your hard drive over the network (dd + ssh)

Create the image

dd if=/dev/sda | gzip -1 - | ssh -v root@192.168.1.22 'dd of=/repo/<server>-img.gz'

Restore the image

  1. Boot into Rescue Mode
  2. Restore the image

ssh root@192.168.1.22 dd if=/repo/<server>-img.gz | gunzip -1 - | dd of=/dev/sda