February 2016
Intermediate to advanced
276 pages
5h 46m
English
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CFacter
Facter was earlier written in Ruby and collecting facts about the system through Ruby was a slow process. CFacter is a project to rewrite Facter using C++. To enable CFacter in versions of Puppet prior to 4, the cfacter=true option will need to be added to puppet.conf (this requires Facter version 2.4). As of Facter version 3.0, CFacter is now the default Facter implementation. In my experience, the speedup of Facter is remarkable. On my test system, the Ruby version of Facter takes just under 3 seconds to run. The C++ version of Facter runs in just over 200 milliseconds. Custom Ruby facts are still supported via the Ruby API, as well as facts written in any language via the executable script method.
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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.