Can't login to GUI with my Valid password
2850
Ubuntu gets stuck in a login loop
148886
Grey login screen after enabling encryption
105346
Postgres password authentication fails
4227
How do I login as root?
121291
SSH login as root fails, but I'm sure I entered the right password
48774
Why can I not login to Minecraft?
136007
How to enable root login again after changing password?
45657
I Can't login as root with su command, but I can with SSH
29753
Cannot log in with Apple ID after performing password reset
2004
Getting an "Authentication token manipulation" error when trying to change my user password
156896
Is it possible to create an Admin Password Key to conveniently login?
67038
I can use sudo but I can't use su due to a password Authentication failure, shouldn't both be the same password?
115777
Lubuntu 16.10: How to make login through greeter without typing password work
109370
Password not working in Graphical Applications (gksu)? Works with sudo
9326
How to enable root login?
12692
How can I set up password-less SSH login?
40827
Ask for a password in POSIX-compliant shell?