CentOS 8 free alternatives

CentOS 8 EOL is around the corner, so it’s time to evaluate and try the alternatives. I prepared a small table for everybody with the basic overview.

Moving ActionCable over to Webpacker

This week, I upgraded a little demo application for my book Deployment from Scratch from Rails 6 to Rails 6.1. Since I showcase WebSockets with ActionCable and Redis, I needed to move the ActionCable CoffeeScript from Sprockets to Webpacker.

Removing assets dependencies from Rails applications for runtime

Rails provides a smooth assets:precompile task to prepare application assets but keeps all required gems for assets generation as a standard part of the generated Gemfile. Let’s see if we can avoid these dependencies for runtime.

I am selling the pre-release of my book

This was a long time coming. 2.5+ years in the making, still unfinished, but it had to go out!

Benchmarking programs with /usr/bin/time

If you ever used the time to measure the program’s execution, you might want to know how to improve your results by running with a higher process priority.