1
vote
1answer
112 views

locked myself out of fedora system

I made a mistake and cannot log into my fedora (18) machine anymore. The system only has one user, when I was logged in as that user I locked that user such that it cannot create new processes and ...
1
vote
1answer
416 views

Can't validate mine, sudo nor root in Debian “Jessie” Gnome anymore?

I'm Debian beginner & GUI guy in a bit of trouble? Can't login as sudo/gksu/root/su nor as (main/super)user after removed user password via Gnome-user-settings. History of actions (Probably ...
24
votes
4answers
1k views

Why is it possible to change the password of an admin user on linux?

A few days ago, a friend of mine, wanted to show me that he can use my linux even if I don't tell him my password. He entered in GRUB, selected the recovery mode option. My first problem is that he ...
2
votes
4answers
3k views

Forgotten LUKS passphrase

i am stuck with a big problem. I have encrypted my linux drive with LUKS and now I can't remember it. During boot, it prompts me for the passphrase, but I went into troubleshooting mode and deleted ...
2
votes
0answers
2k views

Need help mounting device : mount -t ntfs-3g mount failed: No such device

I'm using ophcrack-vista-livecd-3.4.0.iso on Windows 7 to recover a password. When I tried using the software, I got a message saying "Tables Found" along with another message saying "No partition ...
0
votes
2answers
697 views

Blanking/changing Mac OS X password in Linux

I have a computer running Mac OS X, and I have a Linux live CD (I have Ubuntu 11.04, 10.4, and BackTrack 5). How do I blank the password on Mac OS X from my start CD, what program ...
1
vote
1answer
111 views

What programs on Linux can recover a Windows password from another part of the system?

I am going to create a portable Linux on an 8gig USB drive, and I was wondering if there was a password recovery tool within Linux to recover passwords from Windows/Mac(at least Windows). I know ...
1
vote
1answer
1k views

How can I change/erase Windows password using Ubuntu Live?

How can I change or erase the Windows XP password from Ubuntu Live (11.04) booted on the PC in question? I reckon it should be possible, at least it is possible to do so to another Ubuntu ...
2
votes
2answers
5k views

Getting into grub loader in Ubuntu Virtual Box machine

I have Ubuntu guest OS installed on Virtual Box on windows. But I have forgotten all passwords for user and root accounts. But when I try to get into grub by pressing escape at startup, nothing ...