1. Find live linux cd image (Ubuntu, Fedora, Debian,…) and download it to your computer 2. Create bootable usb key with dd; # dd if=/path/to/linux-live.iso of=/dev/sdX X – usb key drive (use root not partition), example: # dd if=/home/username/Downloads/Ubuntu-11.04-amd64.iso of=/dev/sdb   3. Boot from usb-key (while booting your computer press F12 and choose usb key…