Development

Skipping unchanged RSS feeds with conditional GET.
Downloading the whole feed every time you poll is wasteful and a little rude to the server. Conditional GET lets you ask “has anything changed?” and get a tiny 304 back when it hasn’t.
Using shell script to detect future Hugo articles.
You can post date articles in Hugo but those articles won’t show up unless you rebuild the site. This script will detect changes and move them over.
Using shell script to detect GIT changes.
Poor man’s version of continous integration using crontab to detect git changes when you are hosting git on a remote server.
Getting and using the system's dark mode setting in CSS.
All operating systems from mobile to desktop now have the abillity to enable dark mode. I show how you can use CSS to match the user dark mode setting.
Adding a network bridge using nmcli.
Adding a network bridge with NetworkManager using nmcli. You can use this for virtual machines like qemu kvm.