Fixing SSH too many authentication failures.
Make a Windows server forget about patches from the internet.
Powershell\s invoke-restmethod did not work as intended. Some REST calls worked, but some didn't. It took me quite some time to figure out what was going on...
If you install Homeassistant on Raspbian Buster using the step by step description at home-assistant.io, the web gui does not start. Your browser is hanging, and there is no good error message.
Sometimes you would like to fetch a file from one server, then put it onto another. There are many ways to solve this.