Password-less Sudo Instructions

Here's how to add a user and configure passwordless sudo on Debian and Ubuntu:

Adding a User

bash

# Add a new user (replace '<username>' with desired username)
sudo adduser <username>

# Or use useradd for more control
sudo useradd -m -s /bin/bash <username>

The adduser command is more user-friendly and will prompt you to set a password and user details. The useradd command with -m creates a home directory and -s /bin/bash sets the default shell.

Configuring Passwordless Sudo

Add user to sudo group

bash
# Add the user to the sudo group
sudo usermod -aG sudo <username>

# Configure passwordless sudo for the new user
sudo visudo

In the visudo editor, add this line at the end:

<username> ALL=(ALL:ALL) NOPASSWD:ALL

Verification

Test the configuration

# Switch to the new user
su - <username>

# Test sudo without password
sudo whoami

This should return "root" without prompting for a password.