A theoretical guide with practical examples — This article aims to delve into the world of cryptography using the Go programming language, focusing on signing and encryption. We will explore the differences between these two cryptographic processes and discuss how they contribute to data security and integrity. The article will cover both asymmetric cryptographies, using the RSA…

SSH in Go: Simple and powerful — Go is a programming language designed for building fast, efficient, and reliable software. Google created it in 2007, and it has become a popular choice for a wide range of applications, including system administration tasks. One of the benefits of Go is its simplicity and ease of use. Its clean…

A template for microservices in Go — In this story, I want to share my personal template for microservices that serve REST APIs in Go. Since I’ve started to write a few services from scratch, observing that particular code parts always repeat, I decided to export them to a template and share it. While some parts may…

How my search for the ideal time tracking tool ended with a surprising result — In this article, I want to present a way to track your time using Telegram’s Bot API and Webhooks. I will guide you through the setup, configuration, and deployment. But first, let’s look at how this idea came to my mind. …

Check your site with this intuitive, lightweight program — In this article, I want to share my experience setting up monitoring for my websites. While other monitoring stacks like using prometheus, node-exporter, and graphana in combination with alerting provide a ton of cool features, I want to present a lightweight and easy stack. The core component of this stack…

In this story I want to share my experience and the steps I did to setup mptcp on two of my Ubuntu servers. My goal was to evaluate the performance of iperf3 using mptcp over two 10Gbit/s links. …

In this story I want to present my project setup for applications written in Go. It’s suits well for larger applications that serve cmd commands, UIs, APIs, or all of them. I spent a lot of time thinking on where to locate things in my Go projects, that’s why I…

Using React Context API and Hooks — Localisation (or multi-language support) is a core part of nearly all production-ready apps. Mostly, it’s a time-consuming task to keep all translations up to date and it may even stop your coding flow if you need to keep translations up to date while writing code. In my experience, I often…

By using: gopkg.in/yaml.v3 Intro Yaml, as a comparatively new format to save data, comes with wide adoption and easy syntax. It’s more human readable than e.g. JSON. Consequently, it is used as a configuration format in many modern open-source projects, like kubernetes or docker-compose. To work with yaml files, gopkg provides…