August 2015
Intermediate to advanced
168 pages
3h 32m
English
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Our first playbook
Equipped with the basic rules explained previously and assuming readers have done a quick dive into YAML fundamentals, we will now begin writing our first playbook. Our problem statement includes the following:
- Create a devops user on all hosts. This user should be part of the
devopsgroup. - Install the "htop" utility. Htop is an improved version of top—an interactive system process monitor.
- Add the Nginx repository to the web servers and start it as a service.
Now, we will create our first playbook and save it as simple_playbook.yml containing the following code:
--- - hosts: all remote_user: vagrant sudo: yes tasks: - group: name: devops state: present - name: create devops user with admin privileges user: name: devops comment: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.