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  • Book Overview & Buying CentOS System Administration Essentials
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CentOS System Administration Essentials

CentOS System Administration Essentials

By : Andrew Mallett
4.2 (13)
Buy this Book
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CentOS System Administration Essentials

CentOS System Administration Essentials

4.2 (13)
By: Andrew Mallett
Buy this Book

Overview of this book

If you are a Linux administrator who is looking to gain knowledge that differentiates yourself from the crowd, then this is the book for you. Beginners who have a keen interest to learn more about Linux administration will also progress quickly with this resourceful learning guide.
Table of Contents (13 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Taming vi
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1. Taming vi
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CLI trickery – shortcuts that you will love
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Vim and vi
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Getting the .vimrc setup the way you like
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Search and replace
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Learning to remove extraneous comments from a file with a few deft key strokes
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Summary
2
2. Cold Starts
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2. Cold Starts
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The GRUB and MBR
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When is the root filesystem not the root filesystem?
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Working on the GRUB console
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Protecting the GRUB menu with passwords
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Boot splashing with plymouth
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Summary
3
3. CentOS Filesystems – A Deeper Look
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3. CentOS Filesystems – A Deeper Look
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A magician's secret
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Special permissions
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Naming your pipes
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Understanding the command stat
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Enterprise filesystem shootout
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Using BTRFS snapshots
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Summary
4
4. YUM – Software Never Looked So Good
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4. YUM – Software Never Looked So Good
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Managing software installation with RPM files
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Creating your own RPM file
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Creating a YUM Repository
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Summary
5
5. Herding Cats – Taking Control of Processes
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5. Herding Cats – Taking Control of Processes
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Managing services with Upstart
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Creating your own Upstart script
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Managing processes
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Summary
6
6. Users – Do We Really Want Them?
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6. Users – Do We Really Want Them?
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Managing public and private groups
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Getent
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Quotas
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Scripting user creation
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Summary
7
7. LDAP – A Better Type of User
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7. LDAP – A Better Type of User
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LDAP concepts
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Installing 389-ds
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LDAP user account management
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LDAP authentication
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Summary
8
8. Nginx – Deploying a Performance-centric Web Server
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8. Nginx – Deploying a Performance-centric Web Server
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Installing and configuring Nginx
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Installing PHP
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Installing MySQL
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Create dynamic web content
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Summary
9
9. Puppet – Now You Are the Puppet Master
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9. Puppet – Now You Are the Puppet Master
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Installing the Puppet master
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Puppet resource
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Managing packages, services, and files
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Summary
10
10. Security Central
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10. Security Central
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Understanding PAM configuration files
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Limits of PAM
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SELinux
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Hardening Linux
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Summary
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11. Graduation Day
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11. Graduation Day
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Securing remote access to your system
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Best practices of OpenLDAP
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Best practices of Nginx
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Mastering Puppet
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What's new in CentOS 7
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Summary
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Index
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Index

Summary

In this chapter, we have seen how we can build upon the CentOS host and the LEMP stack and implementing Nginx, MySQL, and PHP. Nginx is quite simple to configure but provides faster access to web content than Apache, but can equally be configured to communicate with PHP and MySQL in the backend. Gaining the basic knowledge of configuring PHP and MySQL to operate with the web server can build the grounding you need to develop your web application further.

In the following chapter, we will see how to implement Puppet on CentOS as a central configuration server to allow configuration changes to be made on one server to replicate to other configured clients.

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Tech Concepts
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Programming languages
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CentOS System Administration Essentials
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