Ubuntu password loop
2850
Ubuntu gets stuck in a login loop
130082
How to change root password in ubuntu?
150103
How can I retrieve an entry from /etc/passwd for a given username?
37149
Set the master password from terminal
77365
Generate all possible n-character passwords
37926
Clear / erase a mistyped invisible password on a shell / terminal in Linux
19524
How can I determine the sudo password?
149274
passwd pauses after bad password has been entered
15317
Login screen won't accept my password
7987
Why is there a big delay after entering a wrong password?
66094
SSH takes too long to ask for password
34336
How do I reset the Windows XP Administrator password?
88156
Can I set my user account to have no password?
226
How do I reset a lost password (using recovery mode requires me to type the password)?
97486
How do I force a user to change a password at the first time login using ssh?
126566
How to automate SSH login with password?
53868
How to change the forgotten root password?