Ubuntu not accepting correct password
2850
Ubuntu gets stuck in a login loop
136007
How to enable root login again after changing password?
50005
Unable to log in to my system
109241
How to set a short password on Ubuntu?
1875
16.04 ubuntu single sign on 'wrong e-mail or password'
134935
Root access that can't change root password?
96888
Default Password in Ubuntu 15.04
15987
How do you reset the sa password?
23258
How to prevent system applications (like the Software Center) from asking for password?
52559
How to change password using usermod?
129904
How to get Ubuntu to ask for my password at login screen again?
18927
Too many password attempts
121883
Cannot login to my user account
91693
How to password protect grub menu entry?
82
How do I reset a lost administrative password?
40422
Reset the password in Ubuntu / Linux Bash in Windows
83497
Change user password while password is empty