CentOS System Administration Essentials

About This Book

Centralize user accounts in openLDAP and understand how Directory can be at the back-end of many services
Learning Puppet to centralize server configuration will free up your time as configuration is handled just once on the configuration server
A step-by-step guide that covers the very popular Linux Distribution CentOS 6.5 with easy-to-follow instructions.

Who This Book Is For

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
1: Taming vi
2: Cold Starts
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

What You Will Learn

Conquer the command line using shortcuts in the shell and within the editor Vim
Analyze the booting of CentOS utilizing MBR, GRUB, and Plymouth
Gain an understanding of the filesystem structure of hard links, inodes, and data using stat and ls
Manage your software installations with YUM
Handle your services as they begin to migrate from System V scripts
Establish centralized account information using openLDAP directory services
Centralize the configuration management of CentOS using Puppet, enabling updates from Puppet Master to be distributed to the clients

In Detail

CentOS is widely respected as a very powerful and flexible Linux distribution, and it can be used as a web server, file server, FTP server, domain server, or a multirole solution. It is designed to handle the more demanding needs of business applications such as network and system administration, database management, and web services. CentOS is self-sufficient and fast while working, with the added benefit of global acceptance as a large number of the world’s web servers run on it.

This book not only concentrates on the basics, but also supplements your existing knowledge on subject areas that are important in the Enterprise market, such as directory services, security configuration management, and web-based architecture. By the end of this book, you will be able to manage an Enterprise Linux network focused on management-centralized configuration, user management, and filesystem enhancements by covering everything from the latest filesystem advances with BTRFS through to learning about the new web server on the block—Nginx.


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