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Opel / Peugeot Electric Vehicle: Set Charging Threshold Limit (to 80%)
Jan 2023 / Raspberry Pi

Opel / Peugeot Electric Vehicle: Set Charging Threshold Limit (to 80%)

A Python script is presented on how to set the charging threshold or limit for PSA battery-powered EVs (e.g., to 80%) to stop at a desired level.

  • Malte Hellmeier
    Malte Hellmeier
4 min read
Fix Bluetooth Problems on Raspberry Pi running Raspberry Pi OS (Raspbian)
Nov 2022 / Raspberry Pi

Fix Bluetooth Problems on Raspberry Pi running Raspberry Pi OS (Raspbian)

Shows fixes for Raspberry Pi OS Bluetooth problems like device not found, no default controller available, or running Bluetooth in docker.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
[How-to] Salesforce Pardot Dependent Field on Checkbox
Sep 2022 / Coding

[How-to] Salesforce Pardot Dependent Field on Checkbox

In Salesforce Pardot Forms, fields can be made dependent on each other. This does not work for checkboxes. Our javascript code makes it possible.

  • Alexander Droste
    Alexander Droste
2 min read
Transfer Files Between Two FTP Servers (Move Website)
Sep 2022 / DevOps

Transfer Files Between Two FTP Servers (Move Website)

This article describes how to transfer files and folders from one webhosting FTP server to another provider, e.g. for moving a website.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
Device / Printer doesn't Connect to Best Repeater over Mesh
May 2022 / Smart Home

Device / Printer doesn't Connect to Best Repeater over Mesh

Workaround if a device (printer) doesn't connect to the best wireless repeater in a local AVM FRITZ! based WiFi network using Mesh technology.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
Ubuntu Boot Loop Problem: Fix Full Disk with 0 Bytes Space Left
Mar 2022 / Linux

Ubuntu Boot Loop Problem: Fix Full Disk with 0 Bytes Space Left

If the Linux system boots in an infinite loop, the root filesystem partition is maybe full with 0 bytes left. I will show tips to free up space.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
[Quick Tip] Easiest Way to get your SSH Keys onto a new Machine
Mar 2022 / Quick Tip

[Quick Tip] Easiest Way to get your SSH Keys onto a new Machine

GitHub offers an easy HTTP-API to download your public key without prior setup. You can use it to easily configure SSH logins on a new machine.

  • Alexander Droste
    Alexander Droste
1 min read
Mail Security: MTA-STS + Mailcow
Mar 2022 / Tutorial

Mail Security: MTA-STS + Mailcow

MTA-STS is a security mechanism to prevent attackers from rerouting, reading and modifying your emails. Read how to use MTA-STS with mailcow.

  • Alexander Droste
    Alexander Droste
4 min read
Transfer Contacts from Google to Apple: Fix Import/Export Problems (Birthday, Address, Picture, etc. missing)
Feb 2022 / Apple

Transfer Contacts from Google to Apple: Fix Import/Export Problems (Birthday, Address, Picture, etc. missing)

There are several problems when importing vCards from Google to Apple Contacts: Birthdays without years, addresses without labels, profile pictures etc.

  • Malte Hellmeier
    Malte Hellmeier
5 min read
Photography Problems: Pink / Purple Lines on Long Exposure Images with ND Filters
Jan 2022 / Photography

Photography Problems: Pink / Purple Lines on Long Exposure Images with ND Filters

I noticed pink / purple lines on the resulting images of my long exposure shots with my DSLR camera on sunny days and ND filters applied.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
[How-to] Microsoft Teams: Add Animated Video Background Image (GIF)
Dec 2021 / Tools

[How-to] Microsoft Teams: Add Animated Video Background Image (GIF)

Microsoft Teams doesn't allow to add an animated video background. This tutorial shows a trick how to change the virtual background into a GIF image.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
Fix: macOS Network drops with LAN over USB-C Docking Station in Zoom, Teams, ...
Aug 2021 / macOS

Fix: macOS Network drops with LAN over USB-C Docking Station in Zoom, Teams, ...

If your MacBook with a LAN docking station kicks you out of meetings over Zoom, Microsoft Teams, BigBlueButton,... after a short time, I show how to fix it.

  • Malte Hellmeier
    Malte Hellmeier
3 min read
SMS Spam Virus blockieren: "Neue Voicemail", "Verpasster Anruf" etc.
 German
Aug 2021 / Smartphone

SMS Spam Virus blockieren: "Neue Voicemail", "Verpasster Anruf" etc.

Unbekannte Rufnummern verschicken Spam SMS mit "Neue Voicemail" oder "Verpasster Anruf". Ein Link darin installiert Schadsoftware. So blockiert man die SMS.

  • Alexander Droste
    Alexander Droste
3 min read
[How-to] Connect IKEA TRÅDFRI Devices (Lights, Driver, I/O Dimmer, ...) to Philips Hue Bridge
Aug 2021 / Smart Home

[How-to] Connect IKEA TRÅDFRI Devices (Lights, Driver, I/O Dimmer, ...) to Philips Hue Bridge

Since IKEA TRÅDFRI and Philips Hue both use ZigBee, this article shows how to use the I/O Dimmer to control lights and drivers over a Hue Bridge / Gateway.

  • Malte Hellmeier
    Malte Hellmeier
6 min read
Canon Printer: Enable macOS Big Sur Scan Function in System Settings
Jul 2021 / Apple

Canon Printer: Enable macOS Big Sur Scan Function in System Settings

The scan function of my Canon Pixma MX925 multifunction printer isn't available in the Apple macOS Big Sur system settings. I will show you how to enable it.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
Die beste Wetter-App für Deutschland (2021)
 German
Apr 2021 / Review

Die beste Wetter-App für Deutschland (2021)

Drei Wetter-Apps liefern drei verschiedene Wettervorhersagen. Jetzt reicht es! Dies ist die beste Wetter-App 2021 für Deutschland. (iPhone und Apple Watch)

  • Alexander Droste
    Alexander Droste
8 min read
Field Report: Testing the 28-Hour Day Sleep Schedule for One Week
Apr 2021 / Off-Topic

Field Report: Testing the 28-Hour Day Sleep Schedule for One Week

A field report, experiences, tips and thoughts from living one week in the 28-hours per day sleep cycle. The initial idea is based on a xkcd comic.

  • Malte Hellmeier
    Malte Hellmeier
5 min read
macOS Big Sur: Python 3.7 Installation with Homebrew
Apr 2021 / DevOps

macOS Big Sur: Python 3.7 Installation with Homebrew

A step-by-step tutorial on how to install Python 3.7 on macOS Big Sur with Homebrew and fix all upcoming bugs, errors and problems with popular packages.

  • Malte Hellmeier
    Malte Hellmeier
7 min read
[Quality Test] Spotify vs. TIDAL: Music Streaming Comparison
Feb 2021 / Review

[Quality Test] Spotify vs. TIDAL: Music Streaming Comparison

This article compares the best and highest sound qualities of the music streaming services Spotify and TIDAL in a personal field test over 3 month.

  • Malte Hellmeier
    Malte Hellmeier
5 min read
Self-Host and Dockerize Standard Notes Extensions with Docker-Compose
Dec 2020 / DevOps

Self-Host and Dockerize Standard Notes Extensions with Docker-Compose

In this article we show how to use docker and docker-compose to host Standard Notes extensions on your own infrastructure.

  • Malte Hellmeier
    Malte Hellmeier
4 min read
CSF / LFD Firewall: csf.pignore not working or ignoring processes
Nov 2020 / DevOps

CSF / LFD Firewall: csf.pignore not working or ignoring processes

Sometimes, processes added to the csf.pignore file aren't ignored and alert mails still arrive. This article introduces several solutions and fixes.

  • Malte Hellmeier
    Malte Hellmeier
2 min read
Raspberry Pi – Basic Setup on Raspbian (Raspberry Pi OS)
Oct 2020 / Raspberry Pi

Raspberry Pi – Basic Setup on Raspbian (Raspberry Pi OS)

This quick guide describes the important steps to create a fully working Raspbian (Raspberry Pi OS) system (langauge setup, static IP, expand disk etc.).

  • Malte Hellmeier
    Malte Hellmeier
4 min read
Run 16-Bit Lotus AmiPro 3 (1992) on 64-Bit Windows 10
Oct 2020 / Research

Run 16-Bit Lotus AmiPro 3 (1992) on 64-Bit Windows 10

My dad manages his work related documents with the 30 year old 16-bit program Lotus AmiPro 3.0. We can make it run on 64-bit Windows 10 by using winevdm.

  • Alexander Droste
    Alexander Droste
4 min read
[How-to] Fix Apple Watch Band not Locking into Place (no click)
Oct 2020 / Apple

[How-to] Fix Apple Watch Band not Locking into Place (no click)

Some Apple Watch wrist bands are faulty and do not lock into place. They slide just through and produce no click sound. You can fix it by applying pressure on the locking mechanism.

  • Alexander Droste
    Alexander Droste
2 min read
[How-to] Own CA Certificate in GitLab CI with dind service (docker-in-docker)
Sep 2020 / DevOps

[How-to] Own CA Certificate in GitLab CI with dind service (docker-in-docker)

How to properly install a custom CA certificate in GitLab CI dind service to prevent the error: "x509: certificate signed by unknown authority".

  • Alexander Droste
    Alexander Droste
2 min read
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