How to configure OpenWrt on a Raspberry

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I have an old Raspberry 1B which I want to use to evaluate OpenWrt. I bought two USB32ETH adapters because the RPi1B only has one ETH interface. On following pages I describe the steps I executed to boot the system headless in my home network.

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How to find out which Linux distribution a script runs on

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I just faced an issue I thought should be easy to solve. I wanted to know which Linux distribution a bash script runs on. There exists a proposal of the FSB (Free Standards Group) to implement lsb_release which delivers all the info.Unfortunately it's not implemented by all Linux distributions so I installed various distributions on VMWare to get a clue how to write code to extract the Linux distribution. Finally I wrote a bash script and python script to extract the Linux distribution.

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Welcome

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... Moin, Welcome, Salaam, Dobrodošli, 欢迎, Vítáme tĕ, Velkommen, Welkom, Bienvenue, Wolkom, Καλώς ορίσατε, Aloha, Shalom, स्वागत, Benvenuto, ようこそ, 환영합니다, Тавтай морилогту, Bem-vindo, Здравствуйте,Dzień dobry, Bienvenido, Välkommen, Mabuhay, Swaagatham, Merhaba, Ласкаво просимо ...
 
Hope you detected the welcome phrase in your native language. 
 
If you are a German native speaker and use an English locale in your browser and want to read  everything in German just click this link or click the German flag at the top left corner. Actually on most pages it's possible to switch between the English and German version of the webpage by clicking either the German or GB flag at the top left corner.
 

Otherwise just open my English home page now :-)

 

Raspberry Compute Module 4 (CM4) setup guide on eMMC and NVMe

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I recently got a compute module 4 (CM4) donated to add support for NVMe in raspiBackup (See here for details). I'm used to use a Raspberry but never used a CM4 before so I had to ramp up on CM4 first. The following page describes how I managed to get a RaspbianOS (Buster) up and running on the CM4 and to boot from NVMe.

My CM4 specs: 1GB main memory, 32GB eMMC and 128GB NVMe from Hynix, no WiFi and a Waveshare Mini Base Board A (CM4-IO-BASE-A).

Note: The SD card slot on the Base Board cannot be used given my CM4 has eMMC and disables the SD card slot.

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