Here is a quick primer how to convert all files within a directory form one audio format to another one
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No need to panic if you want to recover data from an encrypted home partition under Debian / Ubuntu. ...

This article shows how to enable https downloads with wget on OpenWRT Chaos Calmer
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This article shows how to build a small OpenWRT based router with wifi and LTE connection based on an ALIX2d13 board.
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Sometimes it is better to have a (local) backup. Here is how you backup a (foreign) homepage with wget. ...

This article shows how to install node-red under Ubuntu 16.04 ...

This article shows how to remove *.dpkg packages (which are not removable via the software center) from an Ubuntu box ...

Recently one of my disks within a Linux software raid started to fail. Here is a quick outline how to replace it. ...

This article shows how to renew a letsencrypt certificate, which is used by a lighttpd server. ...

Did you ever attend a key-signing party ? ... No ? ... In this article I am telling you what it is, why it is cool, and what the next steps after the party are ...