sudo with no password code example

Example 1: sudoers nopasswd

# user
user	ALL=(ALL:ALL) NOPASSWD: ALL

# group 
%sudo	ALL=(ALL:ALL) NOPASSWD: ALL

Example 2: debian sudo without password

#1. Open the /etc/sudoers file (as root, of course!) by running:
sudo nano /etc/sudoers

#2. At the end of the /etc/sudoers file add this line:
username ALL=(ALL) NOPASSWD:ALL