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Living Room Forced-Airflow Old-Laptop-Rack Cabinet Build

Living Room Forced-Airflow Old-Laptop-Rack Cabinet Build

Building a Do-It-Yourself server rack, with old laptops as servers, airflow optimization, network and power distribution and low-noise ventilation for use in a living room while completely blending in and looking like a regular cabinet. Introduction What a title! Honestly – this is kind of hard to describe but you will get the idea. A …

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Multiprocessing using Python 3.7

Multiprocessing using Python 3.7

Hey Guys,I’d like to tell you about Multiprocessing using Python 3.7 which is slightly different that Multithreading with Python 2.7. I already wrote something about Multithreading with Python 2.7 which you can read here. Basics By definition a process is a collection of one or more threads that shares memory, code segments and rights but do …

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Rocketbeans Lamp – Update #1

Rocketbeans Lamp – Update #1

Hey guys,recently Rocketbeans updated their Website and also updated the API Endpoint for our beautiful lamp. If you haven’t read about the Smart RGB-LED Lamp before you better take a look at my older Post here. Changes The API endpoint changed to https://api.rocketbeans.tv/v1/frontend/initAdded all possible colors (Cyan, Yellow and Purple)Added error signalsCyan = If JSON …

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Stop Entering Your SSH Passphrase All The Time

Stop Entering Your SSH Passphrase All The Time

You use SSH every day. You check out Git repositories, connect to servers and you Rsync a backup of your priceless home directory to remote machines for archiving and syncing. Because you know the importance of security you never use password authentication but an at least 4096 bit long RSA public-private keypair, encrypted by a …

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iPXE Boot With Shoelaces

iPXE Boot With Shoelaces

Hey guys,today I’d like to tell you about Shoelaces from Thousandeyes. Shoelaces may be used to automate Server installation with iPXE Boot.If you are already familiar with the basics about PXE, iPXE and how to set up the environment you can go ahead to Shoelaces Setup. Environment Before I dig into the details I prepared an Image …

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Our First Anniversary

Our First Anniversary

Hey guys, We reached our first anniversary. For me, it was an awesome year and I learned a lot. I prepared some anniversary facts: We had 2.205 visits over the last 12 months On average we had ~6 User each day ~51 User each week ~203 User each month The average user stays about ~30 seconds …

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Modify a battery-powered speaker to be a permanent DC-powered speaker

Modify a battery-powered speaker to be a permanent DC-powered speaker

In my first tech-video I explain how I tranform the JKR KR-1000 – a battery-powered speaker with included charging circuits – to a classic DC-powered speaker, bypassing the battery circuits completely. This allows for permanent use of this speaker without the battery-protection circuits triggering and cutting off the power. Feedback is greatly appreciated. Buy the …

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Catching a KeyboardInterrupt Signal

Catching a KeyboardInterrupt Signal

Hey everyone, as I thought about writing the next post I came across the idea to explain what KeyboardInterrupt actually is and also how to catch it in Python 3.6. KeyboardInterrupt is a User Signal which is executed by User. As an example could be pressing CTRL+C. In detail, the Signal is called SIGINT (Signal …

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Hacking Rocketbeans lamp with ESP32 to display current show type

Hacking Rocketbeans lamp with ESP32 to display current show type

Hey guys, today I’d like to show you how I modded an ordinary lamp into a smart (IoT) one. Foreword I’m a huge Rocketbeans TV Fan. Rocketbeans is a big 24/7 Stream Show focused on gaming. Germans may know the hosts from “Giga” or “Game One”. As they started selling a USB Lamp with their logo …

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