Startup lessons: 5 mistakes I made when I chose my brand name
When I chose “Opsitive” as the brand name for my teaching business, I thought it was a clever play on words. But it wasn’t smart at all.
Un-breaking breaking changes using feature flags
Feature flags are useful not only to roll out new features gradually, but also to limit the blast radius of breaking changes.
Save a file from vim with root permissions
How to save a system file when you forgot to open it with root permissions.
Test-driven
Why Test-Driven Development is an investment that pays off.
How I’m updating my community course concept to make it sustainable
Changes I’m making to my community course concept in general, and the Linux Master Course in particular.
Reflecting on the Linux Administration Master Course
My thoughts on how my first Linux Administration Master Course is going.
Universal Blue to the rescue
When `rpm-ostree rollback` was not an option, `rpm-os-tree rebase` saved my day.
Run a git command when entering a directory
Answering a shell scripting question by Eric Meyer
Opsitive community update August 2022
My new strategy for the Opsitive community platform.