Automating Linux and Unix System Administration

Automating Linux and Unix System Administration

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Whether you need a network of ten Linux PCs and a server or a data center with a few thousand UNIX nodes, you need to know how to automate much of the installation, configuration, and standard system administration. Build your network once using cfengine, and the network build will work, without user intervention, on any hardware you prefer. Automating Linux and Unix System Administration, Second Edition is unique in its focus on how to make the system administratora€™s job easier and more efficient: instead of just managing the system administratora€™s time, the book explains the technology to automate repetitive tasks and the methodology to automate successfully. Both new and seasoned professionals will profit from industrya€“leading insights into the automation process. System administrators will attain a thorough grasp of cfengine, kickstart, and shell scripting for automation. After reading all chapters and following all exercises in this book, the reader will be able to set up anything from a Linux data center to a small office network. What youa€™ll learn See how to make changes on many UNIX and Linux hosts at once in a reliable and repeatable manner. Learn how to automate things correctly so you only have to do it once, by leveraging the authorsa€™ experience in setting up small, medium, and large networks. Set up a Linux data center or a network correctly. Explore handling reala€“world environments where not all hosts are configured alike via a case study of a fictional new data center build-out. Examine reala€“world examples for core infrastructure services (DNS, mail, monitoring, log analysis, security, cfengine, imaging) to build on in your environment. Understand core system administration best practices, which are a key part of how cfengine and automations deployments are outlined in the book. Learn how to make changes reversible, repeatable, and correct the first time through interaction with product/application stakeholders (programmers, product managers, customers, etc.). Who this book is for This book is for Linux system administrators who want to learn about the software and methodology to automate repetitive tasksa€”regardless of network or data center sizea€”in one place. System managers will also find it much easier to think about network technology and automation projects if they read this book. This book is also for anyone who is interested in repeatable and secure infrastructure.In the check_command field of the preceding service definition, the bang character (i) is used to pass arguments to a command. We defined the check_nrpe command definition in the PROD/repl/root/usr/pkg/nagios-conf/ commands . cfg fileanbsp;...

Title:Automating Linux and Unix System Administration
Author: Nathan Campi, Kirk Bauer
Publisher:Apress - 2008-12-16

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