Linux Busybox prompt after restart

If you find yourself with a possible missing "/".

Solution:

1. Boot from an Ubuntu Live CD

2. Open Terminal

3. Type: sudo fdisk -l then press ENTER
Make note of the "Boot" indicator "*" for the correct device.

Device Boot Start End Blocks Id System
/dev/sda1 * 1 30238 242886703+ 83 Linux
/dev/sda2 30239 30401 1309297+ 5 Extended
/dev/sda5 30239 30401 1309266 82 Linux swap / Solaris

4. Type: sudo fsck /dev/sda1 then press ENTER

5. Restart the system and boot normally.