Sudo vanished Ubuntu 18.10
8252
Accidentally deleted 'sudo'
54429
Why can't I sudo some commands? (e.g., vim)
100263
Root directory '/' locked after using chmod
132149
How do I run terminal in sudo mode?
131657
How do I add sudo commands to a keyboard shortcut?
45541
How to fix sudo after "chmod -R 777 /usr/bin"?
19524
How can I determine the sudo password?
125289
Ubuntu user disappeared from machine
130030
Run a specific sudo command without a password in Ubuntu 13.10
35070
Unable to launch gedit with sudo
26943
sudo error, is mode 0777, should be 0440
131429
Why can't sudo find a command after I added it to PATH?
77181
How do I log out of `sudo su`?
38110
Error sudo: add-apt-repository: command not found
4711
Can't execute terminal commands: "the command 'sudo' is available in '/usr/bin/sudo'"
127668
"Unable to locate package sudo" when i try to install sudo on new Debian
92250
Is there a "reverse sudo"?