Automating Linux and Unix System Administration (2nd by Kirk Bauer, Nate Campi PDF

By Kirk Bauer, Nate Campi

ISBN-10: 1430210591

ISBN-13: 9781430210597

No matter if you would like a community of ten Linux desktops and a server or a datacenter with a couple of thousand Unix nodes, you want to know the way to automate a lot of the deploy, configuration, and traditional process management.

Build your community as soon as utilizing cfengine, and the community construct will paintings, with no consumer intervention, on any you wish. Automating Linux and Unix method management, moment Edition is exclusive in its specialize in how you can make the method administrator’s task more uncomplicated and extra effective: rather than simply handling the process administrator’s time, the ebook explains the expertise to automate repetitive projects and the method to automate successfully.
* either new and professional pros will benefit from industry–leading insights into the automation process.
* approach directors will reach a radical snatch of cfengine, kickstart, and shell scripting for automation.
* After analyzing all chapters and following all routines during this ebook, the reader might be capable of organize whatever from a Linux datacenter to a small place of work network.

<h3>What you’ll learn</h3>
See how one can make alterations on many UNIX and Linux hosts immediately in a competent and repeatable demeanour.
* the way to automate issues adequately so that you in simple terms need to do it as soon as, through leveraging the authors’ adventure in establishing small, medium, and big networks.
* arrange a Linux datacenter or a community correctly.
* discover dealing with real–world environments the place no longer all hosts are configured alike through a case research of a fictional new datacenter buildout.
* learn real–world examples for middle infrastructure providers (DNS, mail, tracking, log research, defense, cfengine, imaging) to construct on on your environment.
* comprehend middle method management most sensible practices, that are a key a part of how cfengine and automations deployments are defined within the book.
* methods to make adjustments reversible, repeatable, and proper the 1st time via interplay with product/application stakeholders (programmers, product managers, buyers, etc.).

<h3>Who is that this ebook for? </h3>
This ebook is for Linux procedure directors who are looking to know about the software program and technique to automate repetitive tasks—regardless of community or datacenter size—in one position. method managers also will locate it a lot more uncomplicated to contemplate community expertise and automation tasks in the event that they learn this e-book. This publication can also be for an individual who's attracted to repeatable and safe infrastructure.

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Extra resources for Automating Linux and Unix System Administration (2nd Edition)

Example text

But if you push in parallel (all systems at once), the server might suffer. If your clients pull from a server, be sure they don’t all pull at the same time. Consider adding a random delay before the task begins. Cfengine, which uses the pull method, provides the SplayTime option that does just this. Dealing with Users and Administrators Everyone who uses your systems is either a user or an administrator (where an administrator is usually a user as Well). At an ISP, most employees are administrators but the customers are actually the users.

Likewise, you might think you don’t need automation if you have only one server in your company. However, you might want it because backups and timely security updates are easy tasks for a busy system administrator to neglect, even in this most basic setup. In addition, if your company’s server is a file server or mail server, its drives will tend to fill up and cause problems. In fact, any security or stability problem with this type of computer will likely result in expenses for the company, and any loss of data could be disastrous.

If you’re lucky, they will all run the exact same operating system. In most cases, though, you will have different systems because there are a wide variety of commercial UNIX systems as Well as FreeBSD and Linux. Even With one type of UNIX, you might have different varieties (called “distributions” in Linux). Even if all your systems run the same UNIX system, some might run older versions than others. The more similar your systems, the better. Sure, you can have a script that behaves differently on each type of system.

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Automating Linux and Unix System Administration (2nd Edition) by Kirk Bauer, Nate Campi

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