John Arundel on his first steps as an author: “If just one person is helped and inspired by this book... then I’m not giving refunds to the others.”
All tagged Puppet
Not a real developer: transitioning from IT to dev
In the second part of my tell-all memoir, we find out why I was constitutionally unsuited to employment in a structured environment, or indeed any environment.
Agile sysadmin: the art of infrastructure automation
I recently gave a Devops-flavoured talk at the London Ruby Users Group on agile sysadmin practices, agile web ops, configuration languages and infrastructure automation. See the slides and listen to the audio here.
Dependency graphs in Puppet
Yes, Virginia, you can get Puppet to draw a graph of your resource dependencies. Here’s how.
Puppet dry run
Puppet's dry-run feature is a powerful tool that's often overlooked by busy sysadmins—it’s a great way to avoid unforeseen side effects of your config changes.
Scaling Puppet with Git
Scaling Puppet is most commonly done using client/server mode. However, is there a better way? We present an alternative to the traditional Puppetmaster solution using Git. Guest post by Stephen Nelson-Smith.
What's wrong with this image? Config management vs the “golden image”
Managing server config with “golden images” seems attractive, but ends up being hard to manage. Automation is more flexible, but also more costly to set up. Let’s examine the trade-offs.
Puppet versus Chef: 10 reasons Puppet wins
Chef vs. Puppet is an ongoing debate, but here are 10 advantages I believe Puppet has over Chef today.
Puppet and MySQL: create databases and users
Most applications use some kind of SQL database. Here’s how to manage your MySQL servers, users, databases, and access permissions using Puppet.
Golden image or foil ball?
Managing server config with “golden images” is more like managing a foil ball: it’s difficult to pull apart, and difficult to press back together. Luke Kanies has a better way.