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linux

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 cases. Make the Pi automatically open a webpage in kiosk mode after booting […]

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linux

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 cards instead of the regular ones. The advantage is that they can run […]

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linux

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 drive capacity I had on my 80386 computer when I was 14 years […]

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linux

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 keys ⌨️ to navigate and zoom. So, open your terminal and run the […]

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linux

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. Only some programs like outlook and word are supported, but not browsers. I […]

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linux

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 -c1 synth whitenoise lowpass -1 120 lowpass -1 120 lowpass -1 120 gain […]

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linux

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 the need for graphical interface widgets, like windows, buttons and the like. Lots […]