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Linux

A collection of 35 posts

Installing SQL Server 2019 and tools on Ubuntu 20.04
Development

Installing SQL Server 2019 and tools on Ubuntu 20.04

Up to date, complete tutorial on how to install SQL Server 2019, the command-line tools, and alternatives to SQL Server Management Studio on Ubuntu 20.04.

  • Jochen Kirstätter
    Jochen Kirstätter
6 min read
Using Apache HTTP as reverse proxy
Linux

Using Apache HTTP as reverse proxy

The Apache HTTP Server, colloquially called Apache, is a free and open-source cross-platform web server. This article explains briefly how to set up Apache as a reverse proxy to a web site in an internal network.

  • Jochen Kirstätter
    Jochen Kirstätter
2 min read
Using nginx as reverse proxy
Linux

Using nginx as reverse proxy

Nginx (read: engine-x) has versatile options to set up web sites and more advanced configurations. This article explains briefly how to set up nginx as a reverse proxy to a web site in an internal network.

  • Jochen Kirstätter
    Jochen Kirstätter
5 min read
OpenVPN: All TAP-Windows adapters on this system are currently in use
Development

OpenVPN: All TAP-Windows adapters on this system are currently in use

An OpenVPN client error like "All TAP-Windows adapters on this system are currently in use." can be resolved easily given a proper installation of OpenVPN.

  • Jochen Kirstätter
    Jochen Kirstätter
3 min read
OpenVPN re-visited
Linux

OpenVPN re-visited

Earlier versions of OpenVPN are vulnerable to SWEET32. The attack vector can be mitigated by changing the default cipher. OpenVPN currently recommends using AES-256-CBC or AES-128-CBC.

  • Jochen Kirstätter
    Jochen Kirstätter
4 min read
Next stop: MCSA: Linux on Azure
Linux

Next stop: MCSA: Linux on Azure

Recently I decided to coordinate my work and learning activities a little bit. Turns out that while working with .NET Core, in particular developing an API project, I do quite some coding under

  • Jochen Kirstätter
    Jochen Kirstätter
5 min read
ICT skills at primary school
Linux

ICT skills at primary school

Our children have computer lectures at their primary school since this year. In general, it's a great idea that students are exposed to computer literacy at an early stage. But sometimes it comes

  • Jochen Kirstätter
    Jochen Kirstätter
7 min read
Ghost Desktop on Xubuntu 17.04 won't start
Linux

Ghost Desktop on Xubuntu 17.04 won't start

Ghost Desktop won't start on Debian/Ubuntu via the application menu or any other GUI launcher. Check permissions to fix the issue.

  • Jochen Kirstätter
    Jochen Kirstätter
2 min read
Installing Visual Studio Code on Linux (Ubuntu)
Linux

Installing Visual Studio Code on Linux (Ubuntu)

Linux users are currently confronted with some lack of comfort compared to their Windows and Mac OS X friends. Try Visual Studio Code under Linux...

  • Jochen Kirstätter
    Jochen Kirstätter
11 min read
Ubuntu Jam at the University of Mauritius
Linux

Ubuntu Jam at the University of Mauritius

I have to admit that even though I use Microsoft Windows on a daily base to earn my living, I'm also using Linux since almost two decades on various machines. Together with different types of virtualisation I actually do not care whether an OS is running on bare-metal or inside a virtual machine.

  • Jochen Kirstätter
    Jochen Kirstätter
3 min read
Upgrade to Xubuntu 15.04 - Vivid Vervet
Linux

Upgrade to Xubuntu 15.04 - Vivid Vervet

Running an operating system like Ubuntu or any of its derivates, like ie. Xubuntu, comes with some nice treats (and threats?). One of the nice things is that you'll get a scheduled upgrade approximately every six months. Usually, around April and October of each year.

  • Jochen Kirstätter
    Jochen Kirstätter
4 min read
Lets rock with MySQL and MariaDB
Linux

Lets rock with MySQL and MariaDB

MariaDB is an inplace-replacement for MySQL. In case that you're operating your website or blog on MySQL you can simply install and use MariaDB instead of. It works flawlessly.

  • Jochen Kirstätter
    Jochen Kirstätter
5 min read
Disclaimer

Opinions expressed here are my own and may not reflect those of people I work with, my wife, the kids, the community, etc. Unless I'm quoting someone, they're just my own views.

Copyright 2025, Jochen Kirstätter

This work is licensed under a Creative Commons Attribution 4.0 International License. In other words, share generously but provide attribution.

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