How to disable login password
14551
How do I remove Ubuntu's password requirement?
18216
Disable direct login for normal users but allow scp and sftp?
24519
Disable browser 'Save Password' functionality
129904
How to get Ubuntu to ask for my password at login screen again?
130082
How to change root password in ubuntu?
136007
How to enable root login again after changing password?
4382
What is the default root password?
32587
Automatically login and lock
37502
Does disabling root login enhance security?
24117
Is there a way to "auto login" in PuTTY with a password?
140643
Is it possible to disable default login pages in community?
9326
How to enable root login?
34336
How do I reset the Windows XP Administrator password?
1566
Change password on root user and user account
143086
Cannot authenticate without a password
147415
How to enable or disable a user?
47552
How can I limit the login times in linux for certain users?