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We wrote back in August about 3 "litmus test" questions about #DevOps in your organisation. We'd like to add 3 more questions that focus on the more operational aspects of DevOps.

"Microsoft provides virtual machine disk images to facilitate website testing in multiple versions of IE, regardless of the host operating system. With a single command, you can have IE6, IE7, IE8, IE9 and IE10 running in separate virtual machines."

Webistrano is a easy-to-use graphical deployment tool. It is based on the deployment tool Capistrano and offers a substantial graphic interface including user-management and logging. It lets you manage projects and their stages like test, production, and staging with different settings. Those stages can then be deployed with Capistrano through Webistrano.

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.

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.

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

... created a tool which will allows their customer-facing engineers to programmatically deploy infrastructure for new customers and to update the infrastructure of existing customers through a single, defined interface. This tool uses Consul as the foundation for continuous deployment to these environments. Consul's DNS, Key-Value store, and GUI have given DeltaForce a simple mechanism for reliably delivering software.