Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Linux Administration Cookbook

You're reading from   Linux Administration Cookbook Insightful recipes to work with system administration tasks on Linux

Arrow left icon
Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789342529
Length 826 pages
Edition 1st Edition
Tools
Arrow right icon
Author (1):
Arrow left icon
Adam K. Dean Adam K. Dean
Author Profile Icon Adam K. Dean
Adam K. Dean
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Introduction and Environment Setup 2. Remote Administration with SSH FREE CHAPTER 3. Networking and Firewalls 4. Services and Daemons 5. Hardware and Disks 6. Security, Updating, and Package Management 7. Monitoring and Logging 8. Permissions, SELinux, and AppArmor 9. Containers and Virtualization 10. Git, Configuration Management, and Infrastructure as Code 11. Web Servers, Databases, and Mail Servers 12. Troubleshooting and Workplace Diplomacy 13. BSDs, Solaris, Windows, IaaS and PaaS, and DevOps 14. Other Books You May Enjoy

Automating updates

In this section, we will use the Vagrantfile that was used in part of the first section.

Something of a slur, "automatic updating" is a sticky subject for a lot of system administrators, because historically, it was frequently the case that updates would brick a system.

This is less and less likely these days, and there are ways you can automate updates on your boxes without worry (though I still wouldn't do this in production, personally).

We will also discuss programmatically rebuilding systems.

How to do it...

Jump into each of your boxes in turn, in this section.

It is important to note that you might not want to automatically install updates at all, especially if you are in an environment...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime