Locked myself out of Amazon EC2
47042
Accidental chown under / as root
96692
"Unable to obtain authorization for this operation" when trying to reset my default keychain
32924
How to ban an IP temporarily after several incorrect password attempts?
47613
How is being able to break into any Linux machine through grub2 secure?
7146
How to recover from a chmod -R 000 /bin?
92467
I deleted the "/etc/passwd" file and cannot log in
92620
Tens of thousands of failed/denied SSH login attempts
80090
amazon ec2 instance gets timed out
23303
How can I solve "Be aware that removing the lock file is not a solution and may break your system"?
145864
How do I get Ubuntu to ask me for a password at login again?
109139
How would I go about recovering access to my TrueCrypt Volume?
125289
Ubuntu user disappeared from machine
151896
How to log in to WIndows after disabling all services?
33887
I lost control of my account before registering, can it be recovered?
5946
Missed the MyOpenID demise; account lost forever?
12348
How Do I Opt Out of Privileges?
66780
How do I find out my username while locked out of my account