Jack's Blog

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Analyzing job durations of systemd services

Posted on Jan 30, 2021
A small Python helper script to parse and analyze the execution time of systemd job services.
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Minimal Traefik v2 Certificate Export

Posted on Jan 11, 2021
A small, safe and secure POSIX shell script for exporting certificates and private keys from a Traefik v2 certificate store.
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Document writing with Markdown and LaTeX

Posted on Jan 7, 2021
Using make, pandoc and latexmk to transform markdown source files into LaTeX and injecting them into a LaTeX template
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Emacs Cheatsheet

Posted on Jan 4, 2021
A comprehensive cheatsheet for Emacs based on 'Mastering Emacs' from Mickey Petersen
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How to create a video camera-like overlay with HTML & CSS

Posted on Dec 22, 2020
The typical video camera overlay can be a great way to indicate to users that something is being recorded. In this post I describe the steps to create an overlay ,including framerate, resolution and duration, with pure HTML and CSS.
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End-to-end setup of a serverless database with Firebase

Posted on Nov 29, 2020
A complete walkthrough of serverless database authentication, authorization and access, implemented with GCP Cloud Firestore and Firebase.
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How to render standalone HTML snippets with go-echarts

Posted on Nov 15, 2020
Adding a custom renderer for the go-echarts library to generate standalone HTML snippets into a template.HTML string buffer
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Adding a Tag Cloud to my Hugo blog

Posted on Oct 2, 2020
How I added a pretty and interactive word cloud of tags to my Hugo blog using Wordcloud2.js
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Go: Debugging why ParseMultipartForm returns Error "no such file or directory"

Posted on Sep 29, 2020
Going down the rabbit hole of debugging a failing multipart upload on a Go server to finally figuring out that the /tmp directory is missing inside a minimal Docker container image
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Configure Prometheus on a Sub-Path behind Reverse Proxy

Posted on Sep 24, 2020
How to correctly configure Prometheus Web UI on a Sub-Path with Traefik reverse proxy
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