A quick howto on working with AWS .pem ssh certificates.
My notes on Russ Olsen’s excellent book Eloquent Ruby. These aren’t meant to be full and complete notes they’re just things I want to remember; for more details see the book.
I just finished attending the excellent Brisbane YOW! Lambda Jam. One of the really useful things I learned was “Hole Driven Development” for Haskell - basically using the type system to help you write a function.
A guest blog post I wrote on managing git branches when doing devops.
When doing Devops we all know that using source code control is a “good thing” — indeed it would be hard to imagine doing Devops without it. But if you’re using Puppet and R10K for your configuration management you can end up having hundreds of old branches lying around — branches like XYZ-123, XYZ-123.fixed, XYZ-123.fixed.old and so on.
SaltStack currently doesn’t set the hostname correctly on Debian/Ubuntu. For example, this won’t work:
Instructions on how to build the development version of Terraform.
I’ve been migrating some repositories from Mercurial to Git; as part of this migration process some users want to keep using Mercurial locally until they have time to learn git.