In which I build WindEmu, an emulator for the Psion Series 5mx (a PDA from 1999 running EPOC - the OS that would become Symbian), over the course of just over a week, without access to the actual hardware. Yet another cursed project.

DomainKeys Identified Mail (DKIM) allows a person or organisation to claim responsibility for an email message by associating a domain name with the message.

The fact is, most of the freedom I had before kids, I never used. I paid for it in loneliness, but I never used it.

I had plenty of happy times before I had kids. But if I count up happy moments, not just potential happiness but actual happy moments, there are more after kids than before. Now I practically have it on tap, almost any bedtime.

The joke is that brewing is 90% cleaning and 10% paperwork. Except that it's not a joke at all. It's just how brewery life is.

This is a guide on setting up private apt repository that is accessible over a local network via HTTPS and is signed to avoid having to use –allow-unauthenticated to install packages.

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For my use case I have two distributions of packages, they are production and test distributions. The packages in each distribution varies based on what I have approved to be used in a live/production environment versus a test environment. This is so that I can separate out packages that I am using for normal everyday use versus ones I am currently testing with and not ready to go live with. If you are only using one distribution modify the instructions accordingly.

Most web apps need login information of some kind, and it is a bad idea to put them in your source code where it gets saved to a git repository that everyone can see. Usually these are handled by environment variables, but Docker has come up with what they call Docker secrets. The idea is deceptively simple in retrospect. While you figure it out it is arcane and difficult to parse what is going on.

testssl.sh is a free command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more.