By James Turnbull, Spencer Krum, William Van Hevelingen, Ben Kero, Jeffery McCune
Professional Puppet, moment version, now up-to-date for Puppet three, is an in-depth advisor to fitting, utilizing, and constructing the preferred configuration administration software Puppet.
Puppet presents how to automate every little thing from consumer administration to server configuration. You'll find out how Puppet has replaced within the newest model, the way to apply it to numerous structures, together with home windows, find out how to paintings with Puppet modules, and the way to take advantage of Hiera.
Puppet is a must have software for process directors, and professional Puppet will educate you ways to maximise its functions and customise it to your environment.
Install and configure Puppet to instantly commence automating projects and create reporting solutions
Learn insider tips and strategies to higher deal with your infrastructure
Become a Puppet professional!
Read or Download Pro Puppet (2nd Edition) PDF
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Extra info for Pro Puppet (2nd Edition)
Example text
Here, we’ve run the Puppet agent and connected to the master. We’ve run the agent in the foreground, in verbose mode and with the --onetime option that tells the Puppet agent to run only once and then stop. 94 seconds N Tip In Puppet, the combined configuration to be applied to a host is called a catalog, and the process of applying it is called a run. html. Let’s look at what has happened during our run. First we see that the agent has cached the configuration for the host. By default, will Puppet use this cache if it fails to connect to the master during a future run.
Org/book/. com, where you can find a number of Puppet-related modules. Returning to Puppet, our simple sudo module is a good introduction to Puppet, but it only showcased a small number of Puppet’s capabilities. It’s now time to expand our Puppet knowledge and develop some new, more advanced modules, starting with one to manage SSH on our hosts. com, another to manage Apache and web sites, and finally one to manage Puppet with Puppet itself. We’ll also introduce you to some best practices for structuring, writing, and managing modules and configuration.
A number of resources on your hosts, such as a Web server or an MTA (Mail Transfer Agent), would rely on your network being configured and active before they can be activated. Relationships allow you to specify that certain resources, for example those configuring your network, are processed before those resources that configure your Web server or MTA. The usefulness of relationships does not end there. Puppet can also build triggering relationships between resources. For example, if a file resource changes, you can tell Puppet to restart a service resource.