- Blog posts

Blog posts

July 13, 2021 •1 min read • Unifi

Set DNS search path on Unifi USG with DHCP

If you want to connect to “HOST” and nothing can be found, you can send a list of domains to clients to attach and try again. Here’s how to configure this in Unify.

June 23, 2021 •1 min read • Linux

Add swap space in Ubuntu

The title says it all.

May 30, 2021 •1 min read • Home Network

Pi-Hole in Docker

Pi-Hole is a DNS adblocker you can also run in Docker.

May 27, 2021 •1 min read • Home Network

Proxmox and home assistant

Proxmox is a virtualization solution, and I run Home Assistant in it.

May 2, 2021 •4 min read • Forensics

Accessing data from defunct iOS apps

E.g. if the app you were using is no longer developed, and you want to extract the data.

May 1, 2021 •3 min read • K8s

Install Zalando Postgres operator

Experiments & findings with the Zalando Postgres K8S operator.

May 1, 2021 •2 min read • K8s

Install Crunchy Data Postgres operator

Experiments & findings with the Crunchy Data Postgres K8S operator.

April 3, 2021 •1 min read • Docker

Nextcloud cron job

Nextcloud needs a cron job to function. Running docker, “cronjob” does not work. Here’s how to get the same result.

April 3, 2021 •1 min read • Nextcloud

Nextcloud out-of-memory PHP error

… and how to fix it.

March 23, 2021 •1 min read • Powershell

Powershell Script Base

A (the standard?) PowerShell function template.

March 15, 2021 •1 min read • Data Engineering

How to try Superset

Three lines from the Apache Superset docs, copied into this blog.

December 13, 2020 •1 min read • Apple

Install “legacy” brew on M1 apple silicon

Not everything works with brew and the new M1 – yet. So you might need the “classical” one.

November 21, 2020 •4 min read • Cloud: Azure

GitLab, App Service & CI/CD – Variant 1

Using GitLab & the Azure App service to publish an app.

November 20, 2020 •2 min read • Azure

Azure App Service & Python, Part II

The title says it all.

November 19, 2020 •1 min read • Cloud: Azure

Azure App Service & Python, Part I

The title says it all.

July 8, 2020 •1 min read • Configuration

Install flutter on MacOS

The title says it all.

July 6, 2020 •5 min read • Gadgets

Bluetooth Headsets

I’m always in search of the “perfect” head set. (Hint: It does not exist)

May 17, 2020 •2 min read • Rancher

Rancher 2.4+ installation notes

The title says it all.

May 6, 2020 •1 min read • Stuck

Homebrew, OpenSSL and PowerShell

How to (badly, insecurely) fix a really annoying bug using homebrew’s OpenSSL on macOS.

April 26, 2020 •1 min read • Linux

Ubuntu update procedure

The title says it all.

April 26, 2020 •1 min read • Fonts

Coding fonts

A list of coding fonts I like. (Maybe I’ll even update it from time to time)

April 25, 2020 •1 min read • Solved

nextcloud and Docker and reverse proxies

nextcloud needs some “convincing” to work behind a reverse proxy. All running in Docker, naturally.

April 19, 2020 •3 min read • Home

FritzBox, Unify Security Gateway, and router replacements

I re-did my home network. It was a lot more work than I expected – here are some notes.

April 16, 2020 •4 min read • Tools: Camel

A more peaceful rant about Java & Camel

I’m still annoyed, yet I succeeded, and I want to share the incredible results.

April 13, 2020 •4 min read • Java

A big fucking rant about Java

The title says it all.

March 29, 2020 •1 min read • Collection

SARS-CoV-2 (“Corona”) Data Sources and APIs

The title says it all. (Last update: 2020-04-01)

March 29, 2020 •3 min read • Heroku

SARS-CoV-2, a.k.a “Corona Virus”, pseudo “data science” and Twitter

I went down a rabbit hole – here are some things I found in there.

March 22, 2020 •1 min read • Python

Configure Python on Windows

The title says it all.

March 13, 2020 •1 min read • Tools: Autohotkey

Use autohotkey for text expansion on Windows

On macOS I use the fantastic Typinator – that doesn’t exist on Windows. Enter autohotkey.

January 25, 2020 •2 min read • Tools: Check_mk

Check MK container/k8s deployment

How to run the CheckML container behind a reverse proxy, a.k.a. “how I found a CheckML bug”.

January 11, 2020 •2 min read • Helm

cert-manager too old …

A.k.a. “my personal cert-manager-upgrade-adventure”, and you may read “adventure” as “Pain In The Ass”.

August 31, 2019 •3 min read • Cloud: Azure

The 6 ways of returning data from an Azure Function

Yup, really, there are six (!!) ways you can return data. Some are even pretty useful.

August 25, 2019 •2 min read • Linux

Win10 & Veracrypt & systemd-boot

I want encrypted hard drives, yet MS did remove BitLocker. So I used VeraCrypt. Then I wanted to dual-boot. Here’s how to do this.

April 19, 2019 •2 min read • Rant

Windows after 13 years – and nothing changed

A rant.

December 5, 2018 •1 min read • O365

Powershell, O365 & Teams PSTN calling

(I really don’t remember what this is about – yet I still hate Teams …)

October 17, 2018 •2 min read • Dev

Misc Django I – forms

Adding validation to Django forms is pretty easy, but dynamically filling a form dropdown/… with content from a database? I had to search a while.

October 16, 2018 •1 min read • Django

Django, psql & “permission denied” on migrate

Django migrations vs. table owners in Postgres.

September 26, 2018 •1 min read • Firefox

Firefox close tab buttons on mouse hover

How to get the “close tab” buttons back in Firefox – but only on mouse hover.

August 26, 2018 •3 min read • Cicd

Databases with dokku

My dokku adventure continues: Here’s how to add a database to the deployment.

August 25, 2018 •4 min read • Cloud: Digitalocean

Build your own PaaS with Dokku

Heroku is pretty great – and pertty expensive. Turns out there’s a free & open-source alternative: Dokku.

May 25, 2018 •1 min read • Helm

Helm in a kops cluster with RBAC

Solve a permissions problem with Tiller/Helm and a KOPS cluster in AWS.

April 24, 2018 •5 min read • Cloud: Aws

GitLab spot runners & Puppet

The title says it all.

April 18, 2018 •1 min read • Mac

Mac three finger gestures in browsers

I keep forgetting how to configure this in the macOS system settings.

April 18, 2018 •2 min read • Linux

Arch followup actions

Useful things to do after installing Arch Linux.

April 12, 2018 •1 min read • Python

Python & Visual Studio code

Solve an issue with VS code not finding pipenv Python interpreters.

March 28, 2018 •1 min read • Linux: Arch

Arch linux + yubikeys

What to install, how to configure.

February 23, 2018 •1 min read • Fonts

Ugly ligatures in Linux

The only person ever configuring TRULY great font configs in Linux has gone missing. I still try to replicate his configs. Here’s one more nugget.

February 1, 2018 •1 min read • Cli

crontab and nano

Set the default editor for “crontab -e” to be vim.

January 24, 2018 •1 min read • Linux: Arch

Shutter can’t edit images on Arch

Here’s how to solve it.

January 20, 2018 •6 min read • Linux: Arch

Install Arch with full disk encryption, btrfs and EFI

The title says it all.

In case you want to follow me

Here are some links. The further to the right, the less active.