my ubuntu 12.04 crashed. I turned the power off the system and rebooted again. Now I can only login as a guest. The system not accepting my password. How do I create a new password to login into my account. I cannot get to my files as a guest. This is my home PC.
Jorge Castro already gave a great answer: How do I reset a lost Administrative (root) password?
I can only add the following: if you don't remember your username (with which you should replace
Hope this help.