I like tox. A lot. I use it all the time. This is a quick summary on how to use it in such a way that it becomes a central anchor point that you can use from all your CI systems.

One of the non-open-source applications I sometimes have to run for work purposes, and which out of principle I run in LXC containers, is Zoom. Now Zoom is of course an X application, so my previously shared considerations for those apply. It also needs to process input from my microphone …

If you are

• spending a non-trivial amount of time in video calls every week (something that, at the time of writing, is true for a lot of people due to the COVID-19 pandemic), and also

• having to use mains-powered artificial lighting in your office (true at the time of writing …

Some of the X applications I run in LXC make sounds. Now, I find alert sounds horribly distracting so I turn them off, but for some containerized applications I want to actually play sound.

Examples include the Spotify Linux client (which I run in its own LXC container because it …

I occasionally want to run X applications in an LXC container. Sometimes that’s because they’re not open source and I need to run them for work, like Zoom. Sometimes it’s an open source X application that doesn’t work splendidly well on the Ubuntu release that I …