How to determine your public IP address via a small script in order to announce it via DynDns from a box within the private network.
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This article shows how to build and set up a 3.5W laser cutter for under 300 $.
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This article shows how to add additional fonts to a custom built NodeMCU firmware which uses the u8g2 display driver
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How to build a custom NodeMCU firmware version for the Wemos Lolin ESP32 and how to display something from LUA
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How to flash GRBL1.1f hex file into an Arduino nono clone
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This article shows hot to extract a list of manually installed packges from Ubuntu
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This article explains how to upgrade a vServer to newer hardware (by moving it to another hosting plan)
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This article shows how to get your keys back if you use a GnuPG card to store your GPG keys ...

Here is a quick primer how to convert all files within a directory form one audio format to another one
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No need to panic if you want to recover data from an encrypted home partition under Debian / Ubuntu. ...