Use sshpass to automate password based ssh logins

On some systems the SSH server only allows keyboard-interactive password logins. The sshpass util can be used to emulate an interactive keyboard login even if it is run in non interactive mode.

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Use Supermicros IPMI and SSH to power on a server

It is possible to access the IPMI of an Supermicro server via SSH and controll the power of the server.

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Use My traceroute(MTR) for network diagnostic

My traceroute(MTR) combines the functionality of traceroute and ping and allows to monitor the hops on a network path constantly.

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Lego Powered-Up Zug mit Python steuern

Mit Powered-Up lassen sich Lego Modelle per Fernbedienung oder App für das Smartphone steuern. Glücklicherweise gibt es neben den proprietären Lösungen für Enthusiasten auch verschiedene OpenSource Bibliotheken. So zum Beispiel auch für Python, welche in diesem Artikel kurz vorgestellt werden soll.

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Use Python with virtualenv in Makefiles

In this article I will show you how I use Python with virtualenv in my Makefiles to automate deployments and other things.

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KVM host detects multiple VGs with same name

If you use KVM and an LVM backed storage you might experience an issue with duplicated VG names. I will show you how to fix this issue.

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Remove unwanted files from git history

Sometimes you might have committed and pushed large files or files with sensitive data to your git repository. In this article I will explain how to remove this files.

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Secure a MikroTik Router

The default configuration of a MikroTik router helps you to get it up and running very quickly. But you should do some additional steps to protect your device and your infrastructure before you connect the router to your network.

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Ablaufdatum eines SSL Zertifikates prüfen

Wird die Kommunikation zu einem Server per SSL abgesichert, kann relativ leicht abgefragt werden, wann das Zertifikat ausläuft.

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Errors after upgrading Arch Linux

Today I got an error after upgrading my Arch Linux boxes. But it could be fixed within a few minutes.

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