Getting WordPress to play along with HTTP Content Security Policy (CSP) can be challenging.
Security headers play an important role in protecting your web site against malicious attacks, but they can also cause trouble for legitimate server applications.
Continue reading Fixing content security Policy for WordPress
I spotted a nice hobby project when my garage door was to be secured with an infrared light barrier.
Homemade gadgets are of lower quality and much more expensive. However, it’s a lot more fun!
Continue reading Infrared light barrier
How about a super-simple tool for making, pretty-printed PDF research reports from your usual mess of intricate SQL queries?
There are times when you have to let the rest of your news room into what your’re up to, spending hours and days drilling into large data sets pulled and tweaked by complex SQL queries.
Continue reading Database research reports with SQL
I have created a new encryption key, and will transition away from the old one. Inspired by Simon Josefsson at Yubico, I have created (that is, copied) his key transition statement. It can be found at https://espenandersen.no/key-transition-2016-12-22.txt. The statement is signed by both my old and my new key.
Continue reading New GPG key
If you want your audience to be absolutely certain that the web page you just served them has not been tampered with, read on. This method may be a good way to calm down even your most paranoid readers.
Continue reading Sign a web page with PGP
My installation of the anonymous submission system SecureDrop is now live. This means that you can contact me secretly if you have material intended for my eyes only.
Continue reading SecureDrop me a message
My friend Per Ervland nurtures his practical skills by crafting a solution to relieve him and his wife from the rather cumbersome task of keeping their container garden alive. I helped him with some of the inner workings.
Continue reading Watering pump controller
I have written an open-source program to convert Norwegian SOSI map data files into the more widely used Shapefile format.
Continue reading SOSI shape-up
Get razor sharp macro shots with a system camera and a couple of gadgets. The tehcnique is called focus stacking.
Continue reading Insect focusing