Exercise: Scripting Remote Commands - Part I

In this lesson, we will explore how to set up a network of virtual machines and how to implement SSH key authentication and execute commands on remote systems. We'll look at how to install and remove software from local and remote systems. You'll learn about continue and break statement and their benefits and use cases. You learn how to automate processes on Linux through the use of cron jobs and examine running processes.

This lesson is part of the Linux Shell Scripting course. To follow along with this lesson, you can download all the necessary resources here.

Learning Objectives

• Learn how to create a network of virtual machines and how to configure SSH key authentication and execute commands on remote systems via SSH
• Learn how to install and remove software packages both on your local system as well as on remote systems
• Understand continue and break statements in loops and what they're used for
• Understand what cron is and how to use it to schedule the running of scripts in Linux at various intervals
• Learn how to examine running processes on a Linux system and how to determine their process IDs

Intended Audience

• Anyone who wants to learn Linux shell scripting 
• Linux system administrators, developers, or programmers

Prerequisites

To get the most out of this lesson, you should have a basic understanding of the Linux command line.