Linux Crash Course for Beginners - 2023 - Switch Users and Sudo Access

This video tutorial covers how to switch users and manage sudo access in Linux. It explains the use of the SU command to switch users, including becoming the root user, and the sudo command to execute root-level commands without switching users. The tutorial also demonstrates how to log into a Linux machine using Putty, find the machine's IP address, and edit the sudoers file to manage user permissions. Key concepts include user switching, root access, and managing sudo permissions through user groups.

Explain the significance of the /etc/sudoers file in Linux.

How can you verify if a user is part of the wheel group?

What happens when you try to run a command without sudo if you do not have the necessary permissions?