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For many years, I was only a casual user of rsync and used it mostly for one-off file transfers. Over time, I found rsync useful in more and more cases, and would recommend every computer user put this great tool into their toolbox 🛠 🧰 ! I’m publishing a series of blog posts about rsync: rsync, article 1: Scenarios. To motivate why it makes sense to look at rsync, I present three scenarios for w

This post is the third article in a series of blog posts about rsync, see the Series Overview. With rsync up and running, it’s time to take a peek under the hood of rsync to better understand how it works. How does rsync work? When talking about the rsync protocol, we need to distinguish between: protocol-level roles: “sender” and “receiver” TCP roles: “client” and “server” All roles can be mixed

My favorite internet service provider, init7, is rolling out faster speeds with their infrastructure upgrade. Last week, the point of presence (POP) that my apartment’s fiber connection terminates in was upgraded, so now I am enjoying a 25 Gbit/s fiber internet connection! My first internet connections (Feel free to skip right to the 25 Gbit/s announcement section, but I figured this would be a go

Table of contents CoreOS is a minimal operating system based on Linux, systemd and Docker. In this post I describe how I see CoreOS/Docker and how my first steps with it went. What is Docker and why is it a good idea? Finding the right words to describe all of this to someone who has not worked with any of it is hard, but let me try. With docker, you can package software into “containers”, which c

cCSVParse is maintained by Jan Weiß on github.com/JanX2/cCSVParse now since I don’t do Apple stuff since many years. cCSVParse ist eine Cocoa-Klasse (Apples Objective-C Framework), welche CSV-Dateien schnell und effizient einliest. Es wurde darauf geachtet, dass die Klasse mit allen typischen Eigenheiten des standardlosen CSV-Formats umgehen kann. Dazu gehören: Das korrekte Erkennen von Trennzeich