Download Automating Linux and Unix System Administration by Nate Campi PDF

By Nate Campi

ISBN-10: 1430210591

ISBN-13: 9781430210597

Whether you wish a community of ten Linux desktops and a server or a knowledge heart with a number of thousand UNIX nodes, you want to know the way to automate a lot of the install, configuration, and traditional procedure management.

Build your community as soon as utilizing cfengine, and the community construct will paintings, with out person intervention, on any you wish. Automating Linux and Unix procedure management, moment Edition is exclusive in its concentrate on the way to make the process administrator's task more uncomplicated and extra effective: rather than simply dealing with the method administrator's time, the publication explains the know-how to automate repetitive projects and the method to automate successfully.

  • Both new and pro pros will benefit from industry–leading insights into the automation technique.
  • System directors will reach a radical seize of cfengine, kickstart, and shell scripting for automation.
  • After interpreting all chapters and following all workouts during this e-book, the reader should be in a position to manage something from a Linux facts heart to a small place of work community.

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Extra info for Automating Linux and Unix System Administration

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This means that the first step toward automating a procedure usually involves manual changes! A development system (such as an SA’s desktop UNIX/Linux system or a dedicated server system) is used to build, install, and configure software. You might need to perform these activities separately for all your site’s operating systems and hardware platforms (SPARC vs. x86 vs. ). Here’s an overview of the automated change development process: s -AKETHECHANGEINATESTENVIRONMENT s -AKEITFITYOURPOLICYFOREXAMPLE MAKEITRUNASANONROOTUSERORINSTALLITIN a specific directory tree.

Who has been accessing each system and what have they been doing? Most systems provide process accounting—a log of every executed process, the user who executed it, and the amount of time it was running. You usually have to enable this logging because it can consume quite a bit of drive space. The problem is that when you see that nkkp executed the command ni)nb+dkia+&, how do you know who did it? You know that the nkkp user ran it, but who was logged in as nkkp at that time? Did you make an unfortunate typo, or did the pissed-off employee who quit yesterday do it on purpose?

Use the following script as your z+*T_heajpo (or z+*tejepn_) to allow easy use of ood)]cajp within X: +^ej+^]od _`z ata_ood)]cajp^ej+op]npt)_kjpejqa 33 34 CHAPTER 3 N USING S S H TO A U TOMA TE S YS TEM A D M I N I S T R A T I O N S E C U R E LY As you can see, ood)]cajp runs the op]npt)_kjpejqa script. That script runs ood)]`` 8+`ar+jqhh to add the key and prompt for a passphrase (+`ar+jqhh causes the program to use an X window for the passphrase entry). The op]npt)_kjpejqa script also performs other startup tasks and finally starts the window manager.

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