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The Linux DevOps Handbook

You're reading from The Linux DevOps Handbook

Product type Book

Published in Nov 2023

Publisher Packt

ISBN-13 9781803245669

Pages 428 pages

Edition 1st Edition

Languages

Concepts

Authors (2):

Damian Wojsław

Grzegorz Adamowicz

View More author details

Table of Contents (20) Chapters

Preface

1. Part 1: Linux Basics

2. Chapter 1: Choosing the Right Linux Distribution

3. Chapter 2: Command-Line Basics

4. Chapter 3: Intermediate Linux

5. Chapter 4: Automating with Shell Scripts

6. Part 2: Your Day-to-Day DevOps Tools

7. Chapter 5: Managing Services in Linux

8. Chapter 6: Networking in Linux

9. Chapter 7: Git, Your Doorway to DevOps

10. Chapter 8: Docker Basics

11. Chapter 9: A Deep Dive into Docker

12. Part 3: DevOps Cloud Toolkit

13. Chapter 10: Monitoring, Tracing, and Distributed Logging

14. Chapter 11: Using Ansible for Configuration as Code

15. Chapter 12: Leveraging Infrastructure as Code

16. Chapter 13: CI/CD with Terraform, GitHub, and Atlantis

17. Chapter 14: Avoiding Pitfalls in DevOps

18. Index

Why subscribe?

19. Other Books You May Enjoy

Secure Shell (SSH) protocol

In the DevOps world, almost nothing runs locally on your laptop or PC. There is one golden standard among ways to reach remote systems and it’s the SSH protocol. SSH was developed in 1995 as a secure, encrypted remote shell access tool that would replace plaintext utilities such as telnet or rsh. The main reason for this is that in distributed networks, it is too easy to eavesdrop on communication and anything that is being transmitted in open text can easily be intercepted. This includes important data such as login details.

The most commonly used SSH server (and the client) in the Linux world is OpenSSH (https://www.openssh.com/). Other open source servers that are still maintained at the time of writing are lsh (http://www.lysator.liu.se/~nisse/lsh/), wolfSSH (https://www.wolfssl.com/products/wolfssh/), and Dropbear (https://matt.ucc.asn.au/dropbear/dropbear.html).

SSH is mainly used to log into a remote machine to execute commands. But it...

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Authors (2)

Damian Wojsław

Damian Wojsław has been working in the IT industry since 2001. He specializes in administration and troubleshooting of Linux servers. Being a system operator and support engineer he has found DevOps philosophy a natural evolution of the way sysops work with developers and other members of the software team.

See other products by Damian Wojsław

Grzegorz Adamowicz

Grzegorz Adamowicz has been working in the IT industry since 2006 in a number of positions, including Systems Administrator, Backend Developer (PHP, Python), Systems Architect and Site Reliability Engineer. Professionally was focused on building tools and automations inside projects he is involved in. He's also engaged with the professional community by organizing events like conferences and workshops. Grzegorz worked in many industries including Oil & Gas, Hotel, Fintech, DeFI, Automotive, Space and many more.

See other products by Grzegorz Adamowicz

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