Add user to a group (sudores)

Enabled wheel group in sudores

## Allows people in group wheel to run all commands
%wheel ALL=(ALL) ALL

Add pippo to group wheel

# usermod -a -G wheel pippo

Add user passwordless

pippo ALL=(ALL)       NOPASSWD: ALL

…and NO TTY

pippo ALL=(ALL)       NOPASSWD: ALL
Defaults:pippo !requiretty