Does `sudo` need a password?
122675
Why don't I have a password for "su"? Problems with "sudo"
58819
Sudo not available in guest login
78141
Sudo vs root; any actual differences?
124236
Why I'm not asked to set a password for Root when Installing Ubuntu?
88391
command not found when using sudo
103377
How to create a user with root privileges in bash?
133958
Why is the 'sudo' password different than the 'su root' password
77566
How to set root password to null
58430
Run script with arguments as sudo without being asked for password
136991
How to pass the password to su/sudo/ssh without overriding the TTY?
54429
Why can't I sudo some commands? (e.g., vim)
88789
Why is sudo not installed by default in Debian?
82669
Is it possible to give sudo access to only a particular command?
88156
Can I set my user account to have no password?
107312
How to use shell wildcards with sudo?
18871
How often is the password asked for sudo commands? Where can I set it up?
18926
Type 'sudo' is not known in source list