"Unable to locate package sudo" when i try to install sudo on new Debian

i installed a new Debian on a small VPS and now when i try to install sudo i just get this message. I also tried to add FTP-Server into the list and i still get that error.

root@srv45758:~# vi /etc/apt/sources.list
deb jessie main contrib non-free
deb main contrib non-free
deb jessie/updates main contrib non-free

Does any one maybe know the problem?

3 Answers

Verify your sources here

Try using apt-get install sudo to get it.

You can configure users to use it with its config file:

vi /etc/sudoers
add a line:
user ALL=(ALL) ALL

apt-get update
apt-get install sudo

add to /etc/apt/sources.list

deb stretch main
deb-src stretch main

and run su && apt-get update. now open new shell and itll be available