Reading CPU temperature and Fan speeds from the command line in macOs 10.14 Mojave

Posted on Fri 27 September 2019 in macOs

I was looking to read out the current temperature and fan speed of my MacBook Pro running macOS 10.14 Mojave. I prefered build-in tools over shady apps. After some searching, I found the powermetrics tool (which needs sudo privileges). By default, it outputs lots of details every 5 seconds …


Continue reading

404to302 Lambda@Edge

Posted on Sun 22 September 2019 in misc

I discovered the 404to302 concept after a tweet by Aral Balkan, and immediately liked the idea. It solves a hard problem (keeping permalinks alive and working) in a fairly easy way: simply archive the old site, and avoid re-using the same permalink again. If you permalinks contain a date of …


Continue reading

Switching to a static website

Posted on Sat 21 September 2019 in misc

After over 12 years of using WordPress, I switched to a static site generator. Here's the long story.


Continue reading

Receiving NOAA images with RTL-SDR

Posted on Sun 25 August 2019 in sdr

During summer brake, I set out for a tech adventure together with my son. We wanted to do weather predictions ourselves. Or at least pretend to do so.

What sparked the idea, was a beautiful tweet from rtl-sdr.com. Receiving GOES satellites was a bit of a high bar for …


Continue reading