Download Ansible for DevOps: Server and configuration management for by Jeff Geerling PDF

By Jeff Geerling

Covers Ansible 2.0!

Ansible is a straightforward, yet strong, server and configuration administration software (with a couple of different methods up its sleeve). This publication is helping these conversant in the command line and uncomplicated shell scripting begin utilizing Ansible to provision and deal with wherever from one to hundreds of thousands of servers.

The publication starts with basics, like fitting Ansible, establishing a simple stock dossier, and simple suggestions, then courses you thru Ansible's many makes use of, together with ad-hoc instructions, uncomplicated and complicated playbooks, software deployments, multiple-provider server provisioning, or even Docker orchestration! every thing is defined with pertinent real-world examples, frequently utilizing Vagrant-managed digital machines.

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In the exercises so far you have been typing repetitive boring commands so that you can learn them, but usually it’s not like this. Usually if you find yourself doing something boring and repetitive there’s probably a programmer who has figured out how to make it easier. You just don’t know about it. The other thing about programmers is they aren’t nearly as clever as you think. If you overthink what to type, then you’ll probably get it wrong. Instead, try to imagine what the name of a command is to you and try it.

Chapter 13 Stream A File (cat) You’re going to do some more setup for this one so you get used to making files in one program and then accessing them from the command line. txt but this time save it directly to your temp directory. txt I am a fun guy. Don't you know why? Because I make poems, that make babies cry. txt Hi there this is cool. txt I am a fun guy. Don't you know why? Because I make poems, that make babies cry. txt Hi there this is cool. > Remember that when I say [displays file here] I’m abbreviating the output of that command so I don’t have to show you exactly everything.

Ls things $ rmdir things $ cd .. $ ls stuff $ rmdir stuff $ pwd ~/temp $ Windows Exercise 7 > cd temp > ls 23 24 CHAPTER 7. REMOVE DIRECTORY (RMDIR) Directory: C:\Users\zed\temp Mode ---d---- > > > > > > > > > > > LastWriteTime ------------12/17/2011 9:03 AM Length Name ------ ---stuff cd stuff/things/frank/joe/alex/john/ cd .. rmdir john cd .. rmdir alex cd .. rmdir joe cd .. rmdir frank cd .. ls Directory: C:\Users\zed\temp\stuff Mode ---d---- LastWriteTime ------------12/17/2011 9:14 AM Length Name ------ ---things > rmdir things > cd ..

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