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CentOS System Administration Essentials

You're reading from   CentOS System Administration Essentials Become an efficient CentOS administrator by acquiring real-world knowledge of system setup and configuration

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Product type Paperback
Published in Nov 2014
Publisher Packt
ISBN-13 9781783985920
Length 174 pages
Edition 1st Edition
Tools
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Author (1):
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Andrew Mallett Andrew Mallett
Author Profile Icon Andrew Mallett
Andrew Mallett
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Table of Contents (13) Chapters Close

Preface 1. Taming vi 2. Cold Starts FREE CHAPTER 3. CentOS Filesystems – A Deeper Look 4. YUM – Software Never Looked So Good 5. Herding Cats – Taking Control of Processes 6. Users – Do We Really Want Them? 7. LDAP – A Better Type of User 8. Nginx – Deploying a Performance-centric Web Server 9. Puppet – Now You Are the Puppet Master 10. Security Central 11. Graduation Day Index

Mastering Puppet

When using the Puppet server to manage your configuration centrally, it is worth remembering a few pertinent facts in the setup of the Puppet master.

  • Use modules: The /etc/puppet/modules directory allows the creation of modules. Modules are subdirectories created within the Puppet ModulePath directive, and contains files and configurations that need to be distributed to the client as part of its desired state. This simplifies the Puppet configuration, as related files are all within the module directory.
  • Use version control: Puppet itself does not have version control, but we can use something like GIT or subversion (svn) to maintain the previous copies of configurations.
  • Style: When writing Puppet configuration, standardizing the syntax style helps in maintenance and readability. The Puppet Labs style guide can be found at http://docs.puppetlabs.com/guides/style_guide.html.
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