While recently getting a rather large mail archive to search through, in PST-format (obviously) some of the mail boxes contained e-mails that had “rtf-body.rtf” for body text. Yeah, Microsoft really likes Linux.

Automatically convert .msg → .eml

Too many folks these days rely on some sort of Cloud hosted e-mail through one of the Big Five. Mail files are thus no longer .eml files, but .msg – a Microsoft Outlook proprietary format. Irony has it, that you will share your mail with 766 (or so) external partners by using Outlook – but…

HomeAssistant network MTU

I’m running HomeAssistant on a virtual PC, HAOS and all, but I’m using a tunnel that doesn’t have a 1500 bytes ethernet MTU. How to change the MTU?

how to export keys; trusted.gpg DEPRECIATION

If you are getting a “Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details” message, this post is for you. Export existing keys to keep using them.

Dell XPS – add disk encryption

The Dell XPS and Precision laptops with Linux pre-installed are great for personal and business use. Unfortunately, they lack an important feature: their disks have been factory pre-installed without encryption. Read below how to add that to the system without having to reinstall.

bare bones U8g2

I have been programming STM32 microcontrollers lately and came across the u8g2 display library. It’s a great library and it is full of functionality – but it lacks a bit of documentation if all you want is use it in an embedded C environment. Read below how to use U8g2 with a HX1230 display and…