Linux Fundamentals - Enabling Secure Shell (SSH) on the Linux Server

This video tutorial explains how to enable and configure SSH on a Linux computer, particularly within a Docker container running Ubuntu. It covers the basics of SSH, including its use for secure remote connections, and details the steps to install the OpenSSH server package. The tutorial also demonstrates how to publish internal ports to external ones for SSH access and how to create a new user for secure SSH connections, emphasizing security measures like avoiding root user access.

What is the purpose of the nslookup command?

Explain how to enable SSH on a Linux computer.

What is the significance of TCP port 22 in SSH?

Describe the process of creating a Docker container with SSH enabled.

What steps are required to install the OpenSSH server on Ubuntu?

How can you verify if the SSH service is running on a Linux machine?

What is the default behavior regarding root user connections via SSH?