#!/bin/sh
echo 'Cmnd_Alias UPDATER_ONLY = /usr/local/bin/updater.sh' >> /etc/sudoers
echo '%staff ALL= NOPASSWD: UPDATER_ONLY' >> /etc/sudoers

echo '#!/bin/bash' >> /usr/local/bin/updater.sh
echo 'apt-get update && sudo apt-get upgrade -y' >> /usr/local/bin/updater.sh
chmod 0755 /usr/local/bin/updater.sh

printf 'Wie heisst der User?? '
read answer
sudo usermod -aG staff $answer