It is not a secret that the most fragile part of a raspberry pi setup is the SD card. I had a RPi with docker setup and used netboot, but had an SD card for /var/lib/docker1. Of course this went wrong at some point; the machine did not boot anymore. So naturally I was wondering: Is it possible to r… read more

I have tried UML, Vserver, openvz, lxc and now docker-compose. After using k8s at work, I tried canonical kubernetes to get some more experience with running it. At that time it was complicated to setup and it was using a lot of resources even when nothing was running. Maybe I didn't configure it pr… read more

The other day I was thinking about power consumption of different low power devices, since many small devices may add up to some significant energy usage, sometimes known as Vampire power. I was asking myself: if you have multiple USB powered devices, each with their own power supply, would they dr… read more