How to manage a security breach on your server

Modern servers frequently run a multitude of software applications. In our case, we use Docker on the server to run multiple services. One of these services, Gitlab, had a security issue (gitlab workhorse more specifically). Which led to a trojan infection. (In our case, the binaries were called “wate” in case this matters to someone…

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How to enable bluetooth headphones on Windows 8.1

To follow this guide, your device should already be paired. (Windows + C > Settings > Change Computer Settings) Open system control panel, and choose the Sound control panel Your headphones should show up in the control panel. Mine are the Soundcore Life Q30 Stereo. (Note you can choose between headset and headphones here.) be…

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Kyocera FS-4200DN nicht original Toner drücken Sie die Tasten OK und Abbrechen gleichzeitig

Heute hat mein Kyocera FS-4200DN die Warnung angezeigt (sinngemäß) “Toner ist nicht original. Der Hersteller kann keine Verantwortung übernehmen. Drücken Sie die Tasten OK und Abbrechen mindestens 3 Sekunden gleichzeitig um fortzufahren.” Diese Warnung wird angezeigt nachdem man den Knopf “Hilfe” drückt. Das Problem was mich verwirrt hat: der angezeigte Dialog zeigt auch eine Taste…

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Avahi how to assign several .local names to same IP

In some situations you would like to access the same computer / IP using different .local names. This is possible using the Avahi daemon. The following is written for Ubuntu 18.04 Bionic Beaver. Install Avahi apt install avahi-daemon avahi-utils Avahi automatically adds your computer’s hostname to the .local Domain. For instance, my computer is called…

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Creating a Raspbian repository

If you want to host your own Raspbian repository, this article is for you. A Raspbian repository consists of a special directory structure on a webserver. The files, including the packages, are all static – therefore this repository could also simply be hosted on an Amazon S3 instance, for example. The sources.list entry in Raspbian…

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