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Linux Administration Cookbook

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

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789342529
Length 826 pages
Edition 1st Edition
Tools
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Author (1):
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Adam K. Dean Adam K. Dean
Author Profile Icon Adam K. Dean
Adam K. Dean
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Toc

Table of Contents (15) Chapters Close

Preface 1. Introduction and Environment Setup FREE CHAPTER 2. Remote Administration with SSH 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

Modifying the server-side SSH configuration file

For the last few sections, we've been focusing on the client configuration. We've tweaked our connection string on the command line and we've written a configuration file to be read automatically by SSH when connecting to our second host.

In this section, we're going to take a look at the sshd_config file, or the server-side of the configuration tango, on our second host.

We're going to make a few example and routine changes to get you familiar with the concept.

Getting ready

Connect to both centos1 and centos2. Doing this from outside (in separate windows, and using vagrant ssh) is best:

$ vagrant ssh centos1
$ vagrant ssh centos2

Place your Terminal...

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