Linux+ Security: Manage SSH Servers and Connections

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Linux+ Security: Manage SSH Servers and Connections

In this lab, you’ll practice configuring an ssh daemon and client. When you’re finished, you’ll have configured a remote ssh server and connected to it.

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Lab Info

Rating

(17)

Level

Beginner

Last updated

Aug 05, 2025

Duration

55m

Challenge

Get Started in the Lab Environment

Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
Challenge

Explore the SSH Daemon on the Server

In this challenge, you will be configuring an ssh daemon on the Ubuntu server, then connecting to it from the client via username and password.
Challenge

Generate and Use an SSH Key-Pair

Your customer doesn’t want to allow challenge-response authentication to your server. In this challenge, you will be generating an ssh key-pair to authenticate to your server, and disabling the option for password authentication.
Challenge

Use SSH Port Forwarding to Access Applications

Now that you can successfully connect to your server, you need to be able to access the application remotely. You will be using ssh port forwarding to tunnel traffic to a specific port on your server.
Challenge

Configure Your SSH Client

To finish up this lab, you will be configuring your ssh client to use specific options and hostnames when connecting to the server.

About the author

Miguel Saavedra

Miguel Saavedra is an author, solutions architect, and Instructor specializing in AWS, big data, automation, and security. He has worked in several companies in the finance/fintech, education, and medical industries as well as some government projects. He has published and conducted research on both cloud and on-premise solutions for big data focusing on network analytics, and machine learning. He also designs highly available and automated CICD toolchains for high throughput microservices on AWS.

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