Category Archives: Technology

General technology related stuff

All new infrastructure

I've almost finished porting my webservices to the new infrastructure. They are now running in a FreeBSD virtual machine on the physical server. All of the content has been migrated as well and I hope that also the older posts are still working. The FTP server is not yet functional but I'm working on it.… Read More »

Firefox 57 - Enable U2F

I really love the new Firefox. I have the impression it runs much smoother, especially with some bloated sites. I also guess it won't take too long until webdesigners are making their websites even more bloaty, so that in some months from now we will be at the same time again. Let's see how many… Read More »

SQLite3 C++ Wrapper Class

I really love sqlite3 databases. They are small, scalable and just do the job. The only thing they need is a file, so they are also much easier to configure, maintain and backup than heavy database solutions like MariaDB, MySQL or PostgreSQL. For bigger class applications they do a very good job, for most of… Read More »

Lightning Monitor - Update

Because of heavy rain and thunderstorms this weekend, I had some time to work on my lightning monitor again. With success, I could reduce the "DISTURBER DETECTED" messages significantly by putting the device away from the laptop. Even better, it was starting to measure lightnings during one of the thunderstorms! Great 🙂 The data makes… Read More »

The joy of multicore processors

I recently came back from an amazing trip to Iceland. Had a glorious time there - it was an outstanding adventure! After this trip I had to convert 3200 photos from RAW to JPEG. Turns out, that usually it takes something like 15 seconds for my computer to process 1 file. 3200 * 15 is… Read More »

Intel Skylake Hyperthreading broken

Hyperthreading in Skylake and Kaby Lake seems to be broken and should be disabled in BIOS/UEFI. My Laptop is also affected by this bug, but I will try to update the Microcode. Since I'm running Arch Linux I should get the update rather fast. UPDATE I underestimated the effect of this bug. For now I disable… Read More »

BIOS Update of the HP ZBook 15u G4 using Linux

(not entirely true, I needed a Windows Virtual machine) I wanted to run a BIOS Update for my HP ZBook 15u G4. Unfortunately, HP provides updates only for Windows. Linux users are used to such sorrow - but I will most probably stick back to other vendors in the future, where the Linux support is… Read More »