User account password. Stuck in guest forever?
82
How do I reset a lost administrative password?
150103
How can I retrieve an entry from /etc/passwd for a given username?
4382
What is the default root password?
99370
Why does Ubuntu force users to create a password upon installation?
58819
Sudo not available in guest login
88156
Can I set my user account to have no password?
50717
Help! Lost admin password for Mac OS X server 10.9
78839
Why do I have to enter my password to log in?
145773
How do I change my Stack Exchange password?
35111
How can I automatically log out the guest account after a period of inactivity?
134935
Root access that can't change root password?
154395
How do I migrate users passwords?
52559
How to change password using usermod?
27095
Always logged in with OpenID, how do I create a password for my account?
21206
How to make password-less login work
20496
unable to reset root password of mysql
58557
Login screen loops unless you login as Guest