Set a different passwords for unlock and sudo
20946
Use one password for administration and another for system login
136007
How to enable root login again after changing password?
88540
set password to not asked on login via the command line
113730
how to run two commands in sudo?
71306
Which user's password does `sudo` asks for?
12441
How to reset my password without rebooting?
78337
how to restrict users not to login to root by using sudo -i and sudo su - and other if exists
15805
How to avoid being prompted for a password by sudo?
52559
How to change password using usermod?
94379
how to disable SSH login with password for some users?
143096
Sudoers NOPASSWD for single executable but allowing others
88156
Can I set my user account to have no password?
84473
sudo for users with empty passwords
109370
Password not working in Graphical Applications (gksu)? Works with sudo
66647
How do I add a user to the "sudo" group?
152745
Set a password that's not linked to my Microsoft account?
83497
Change user password while password is empty