LXC is part of my standard Linux desktop toolbox, and I use it daily. I have done tutorials about this before, one of which you can find on YouTube (courtesy of linux.conf.au) and GitHub, but it’s about time I included this in a series of articles.

My …

Asynchronous Celery tasks that manipulate a MySQL/Galera database from a Django application can produce very interesting behavior when HAProxy is involved.

In a Ceph cluster, the frequent question, “how much space utilization overhead does my EC profile cause,” can be answered with very simple algebra.

When you are using functionality that is buried deep in the Linux kernel, ftrace can be extremely useful. Here are some suggestions on how to use it, using the example of tracing function calls from qemu-guest-agent.

What’s this about?

Recently I used, for the first time, libvirt’s functionality …

Command-line interfaces frequently produce output whose verbosity your users may want to be able to tweak. Here’s a nifty way to do that.