Hidden password is being displayed when invoking the su command?
111479
How do you keep the password hidden when invoked during the su command?
149141
What happens if you do sudo passwd without specifying a user?
78893
Linux - why do the su and sudo binaries need to be set-UID root?
20355
Sudo is also user login password - why? how to change?
85452
Reading passwords without showing on screen in Bash Scripts
111704
How does ssh prompt for a password when all input and output is redirected?
116235
How to see password as we type it
131978
Running a command a different user using `su` gives "standard in must be a tty"
101684
How to password protect Grub menu
144806
How to change LUKS passphrase?
50436
How to log commands within a "sudo su -"?
137008
How do I run a sudo command needing password input in the background?
61534
Prompt for sudo password rather than give access error
112982
How do I turn off all the password prompts?
149274
passwd pauses after bad password has been entered
100831
Why not show password criteria on login screen?
82978
Why can `root` run any command as any user without providing password?