Category: linux
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Create your own QR code with a logo or image in the middle
You might have seen logos in the middle of QR codes. It was rare to begin with, but has become quite regular nowadays. But how can you create such a logo QR code? Some websites offer this as a paid option. But…
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An unknown device in my home network were doing something odd
I recently installed a new internet router at home to improve the wireless coverage and give me the option to set custom family friendly name servers for all connected devices [1]. While making sure the wireless network setup was the same way…
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Discovering the beauty of Unix operating systems
I have a confession to make: I follow nerdy news articles and comments on Hacker News. There, I have said it. Once I came across a beautiful description someone wrote on how he/she came to discover the unix operating system. I can…
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A few Raspberry Pi tricks when using it in a digital signage or exhibition installation
Having worked with and used Raspberry Pi for a few different use cases, I have learned a few smart configurations to make them extra useful as digital signage installations or backstage computers in professional exhibitions at work. Here are three such use…
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Make a backup of a raspberry pi installation remotely using ssh and dd
At work we have a learning and experience centre that have a few exhibitions on display. Some of these are set up using raspberry pi microcomputers. They are actuelly very handy for that purpose, exspecially if you use the two-cell micro sd…
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Move a raspberry pi installation to a bigger micro sd card
Have you ended up with a too small sd card on your raspberry pi? I did. I wish I had used a 32GB instead of a 8GB card. I’ve only got 500MB left, which reminds me that this was the total har…
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Navigating OpenStreetMap in the command line terminal is just beautiful
I have previously written about How to create those evil hacker virus voices from the 90s and how to Generate beautiful background sci-fi space noise in linux command line. Recently I discovered a telnet connection to OpenStreetMap in the terminal, just using…
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Type the Vulcan salute anywhere in Linux
Type the Vulcan salute (made famous by Spock) anywhere in Linux like this: ctrl + shift + u followed by 1f596 + spacebar 🖖 (or any unicode symbol) 🚀 1f680 is cool too 😉 For those in Microsoft Windows, there is hope.…
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Generate beautiful background sci-fi space noise in linux command line
Here is a couple of examples of how you can generate beautiful background sounds directly in linux command line with the play command (install the vox package in your linux distribution). Sound in space (sure, lets image that would work) play -n…
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Learn to navigate the linux command line with Terminus – the game
Terminus is what you think it is, a game with a purpose of teaching you to use the command line in linux or unix. The command line is the advanced interface that allows you to do a whole lot of work without…
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Terminal game: Drive a car on the moon with moon-buggy
Not that many games on the command line are there? Well, here is one for you, moon-buggy. I could have included a fancy cover art, like commodore games in 80s and computer games in the 90s had a very graphical cover and…