DevOps Curriculum

Linux Kernel Parameter werden üblicherweise schon zur Compile und Startzeit mit brauchbaren Default-Werten geliefert. Allerdings muss man, je nach...

Unter Linux gibt es mehrere Dateisysteme. Es ist gut einen Überblick zu haben welche existieren und wie man die Dateisysteme...

DevOps Curriculum

In diesem Kapitel wollen wir uns die Struktur des Linux Dateisystems ansehen. Damit ist in diesem Fall nicht das Dateisystem...

DevOps Curriculum

Wir wollen verstehen, welche Hardware-Ressourcen uns zur Verfügung stehen und wie wir mögliche Engpässe und Probleme identifizieren können. Grundsätzlich...

DevOps Curriculum

Wir wollen im Detail verstehen, wie in Unix-Systemen Prozesse gehandhabt werden und wie wir Prozesse aus dem Userland behandeln...

DevOps Curriculum

Schau dir den unter Inhalte verlinkten Udemy Kurs an. Die Zugangsdaten für Udemy bekommst Du von deinem Mentor. Überspring Inhalte...

DevOps Curriculum

Wir arbeiten bei makandra alle auf Linux-Betriebssystemen und bedienen im DevOps- & Cloud-Bereich primär Kunden, die ebenfalls auf Linux...

Bookmarks for directories will be most helpful if you are forced to work in deeply nested projects. Then it's...

With cd .. you can navigate one directory up from the one you are at now. If you use that a...

The tree command will show you the contents of a directory and all its sub directories as a tree:

There is an option you can set so that when using the cd command, small typos are automatically corrected. Add...

We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...

When you get this error message from e.g. loginctl show-user [...] after you deleted a user from your system:

blog.cloudflare.com

What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...

makandra dev

6.0.0 2021-06-02 Compatible changes geordi commit will continue even if one of the given projects is inaccessible. It...

ZSH is an alternative command line shell that includes some features like spelling correction, cd automation, better theme, and plugin...

By default parallel_tests will spawn as many test processes as you have CPUs. If you have issues with flaky...

By default, your terminal emulator (Gnome Terminal, Terminator, etc.) sets some kind of window title to reflect the shell type...

Ubuntu 18.04 uses systemd to manage services. There are basically two commands for listing all services and manipulating the state...

After a recent Ubuntu update I didn't see the main menu bar of the RubyMine IDE (File | Edit | View...

github.com

Because colors improve readability so much. On Ubuntu 18.04 you can install it with sudo apt install grc

makandra dev

SimpleScreenRecorder I recommend simplescreenrecorder, it produces an adequate output with only a few clicks. The audio recording contained some...

When text renders differently in Firefox and Chrome, it may be caused by a font alias that both browsers handle...

When using Chrome for Selenium tests, the chromedriver binary will be used to control Chrome. To debug problems that stem...