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Elegant deployment with Fabric and Puppet. Loom does the stuff Puppet doesn't do well or at all: bootstrapping machines, giving them roles, deploying Puppet code and installing reusable Puppet modules. It's useful for both serverless and master/agent Puppet installations.

I'm going to assume you've got a Puppet module already on GitHub. To save messing around with bundler on your local machine, I recommend installing Puppet-lint and rspec-Puppet as system gems while you're getting this all set up.

Whoever has used Puppet on production servers has probably lived, at least once, the uncomfortable situation when a change on Puppet manifests has introduced "unwanted effects" on target nodes if not real failures.

... things can be put right with Vagrant, a tool to create and distribute virtualized environments and Puppet, a tool which helps you with your configuration management. This article will illustrate their use with an example of how to construct a simple Java web application stack.

Reading through the documentation, I saw it mention Puppet and Chef which both appeared to be some sort of witchcraft that allowed you to automatically configure and setup these virtualised servers. Bingo. Easy server configuration management.

Although Puppet Enterprise gives you the wonderful tools to automate your Linux administration, you still cannot deploy a server with a single command. With the following script, you can. Why is this so cool? When, for instance, a new Tomcat server is needed, I create a DNS entry for that server and give a single command and get some coffee. Before it has cooled down enough to drink, the developer has his Tomcat-app deployed and the server is operational. (It takes about 8 minutes to get from scratch to a fully operational server.)

RSpec tests for your servers configured by Puppet, Chef or anything else.

Vagrant automates creation and provisioning of virtual machines within VirtualBox via the command line, whilst also allowing for easy distribution and reuse across multiple projects. In this article, I'm going to look at how it can make life considerably easier when dealing with development environments.

During the Devopsdays in Hambourg, one of the most recuring discussion was about "packaging vs non-packaging, when and what?" I won't try to convince people on what do do when, neither will I say I have the absolute best solution, this post just illustrates the solution I implemented with @zipkid. Some points aren't finished yet, not implemented... or we have not yet decided which direction to follow.

Security + DevOps Automatic Server Hardening