New plugin for for DokuWiki

As for Piwik 2.0, I published a new plugin to embed Matomo into DokuWiki today. Matomo ist the follow-up of Piwik and. The switch took place between Piwik 3.2.1 and Matomo 3.3.0 in January 2018. It has exactly the same purpose and functionality but is adapted for Matomo. You can find it on and the repository can […]

Get the currently installed Java version and vendor on Ubuntu / Debian Linux

To day I had to  figure out the Java version installed on my machine while digging through some problems with my IntelliJ IDE. This is how you can get the currently installed Java version and vendor on Ubuntu or other debian derivatives on bash.

That gives you something like that:

As you can […]

Tunnel MySQL through SSH

Recently I had the challenge, that the MySQL database of one of the Magento shops I maintain wasn’t accessible directly through the Net. The access was restricted to the Webserver only. So I had to tunnel MySQL through SSH. And that worked like that: edit the ssh config (~/.ssh/config) on the remote Webserver

create  […]

Remove all files and folders including hidden files on bash

To remove all files and folders including hidden files such .gitignore, .htaccess, .git etc. on bash you can use the following command:

Is the same as:

But ever shorter. 😉

Generate a TOC for Markdown (Bitbucket, Git or Gitlab)

This tiny tutorial shows, how to generate a TOC for Markdown with the help of a tiny npm package called doctoc in just a few seconds. Since a while I write down the most important facts about a project or an module to the file of the corresponding GIT repository. That’s good to  keep […]

Docker cheat sheet to handle the Docker universe

Before a while I got in touch with the wonderful world of the Docker (see cosmos. I think it is one of the most important virtualisation technology at the moment. On this page I will just collect useful commands that helped me a lot in my daily work with Docker, Docker-Compose ( and other stack […]

Magento: change applied attribute product types

Sometimes it is necessary to change the product type(s) an attribute is applied to in Magento. A common example is, that you designed and implemented an attribute for a configurable product, because you thought its real world value is equal over all child manifestations. But after a while you realize, that there are differences that you […]

Mount a ssh filesystem under Linux or How I mounted my webspace into my root server

Today I had to mount a ssh filesystem under Linux. The reason was, that I had the perception that I would be a very cool idea, to use my old webspace package from, that I only kept because of the 10 included domains, as a backup storage for my root server. The plan was […]

Split webm files into chunks on Linux

Today I had to split webm files into chunks on Linux.  The reason was, that I recorded  a screencast for a documentary. Therefore I used the Nimbus Chrome Browser Plugin ( The problem was, that the resulting video files in webm format were much to big to upload them to our Confluence Wiki. That’s why […]

GIT – reconnect remote branch

Sometimes it is necessary to remap a local git  branch to a remote one (reconnect remote branch). For me it was the case, because I accidentally removed all origins in a multi-origin setup. Hence I got the following error message when trying to pull without naming remote and branch, although I re-added and fetched all […]