Here’s a nice way to initialize a CLI argument parser in Python, with arbitrary levels of subcommands.

When you allow one of your OpenStack tenants a large number of routers, they may not be getting as many as you think they will.

Our series on best practices for Ceph and OpenStack continues.

As an OpenStack/Ceph operator, you may sometimes want to forgo uploading a new image using the Glance API, because the process can be inefficient and time-consuming. Here’s a faster way.

Open edX comes with a built-in discussion forum service. Many Open edX users find this service less than optimal: it is the only edX service to require Ruby, it depends on a Ruby version that is outdated and no longer receives security updates (although a fix for that is on …