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Linux - Embedded & Single-board computer This forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.


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Old 06-10-2015, 12:33 PM   #1
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Post how to make linux distro from scratch

i know this question has been asked many times ...yet there is no clear answer ...i am a c,c++,python developer with intermediate programming skills ..i want to develop my own linux distro that can potentially run on low powered system yet gives a powerful experience ...hardware examples are like chip(the 9$ computer) and raspberry pi the first version to extend computer reach to villages ... so do please answer my question pretty informatively ..thanks in advance
Old 06-10-2015, 01:06 PM   #2
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...yet there is no clear answer ...
yep..there is NO "that's the way to do it" have...(tadaaaa) choice.
Buildroot, unpack a distro and go from there or...go the LFS way...
I unpacked the ISO of Tiny core and went from there. I also tried the LFS aproach...gave neat results...
The question remains however: "to what end?"...because, there are quite some distros to choose from already

Last edited by ButterflyMelissa; 06-10-2015 at 01:08 PM.
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Old 06-10-2015, 01:08 PM   #3
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Just so you know, this is a very big topic.

First start by searching for hits on the term "embedded linux development" there are tons of references, and I don't have a real preference except to say don't buy swamp land in Florida as a reaction to any advertisement search hits. The better point there is "don't buy anything" all information is free, and while there also is information available for purchase, I feel you should review the voluminous free information first before you decide to purchase content, so you can evaluate the worth of any purchased content.

What you'll find is that the total summary of running Linux is defined as using:
  1. Bootloader
  2. Linux Kernel
  3. Root File System (RFS)
Then it becomes the varieties of:
  1. How to select a bootloader
  2. Whether to build/customize a bootloader or use a standard one
  3. How to customize the Linux kernel
  4. How to build the Linux kernel
  5. How to customize drivers either by selection, configuration, or modification/re-compilation
  6. How to establish or obtain a root file system and manage it
  7. That this all matters on a "per processor" basis a moderate amount, especially when you consider the $9 computer which is ARM based versus x86 architecture
At some point during all this, you should install a Linux desktop distribution to a full up system computer, such as a moderately modern laptop or a desktop system. A very helpful package to install is build-essentials, and it may be already on there depending on the distribution. Then you can learn how to compile, how to use the tools for building and understand how this process works. You can also read up on how to just recompile the kernel for the particular distribution you have installed and play around with that to ensure you understand enough about the topic.

Next I'd purchase one of the cheap, hobbyist boards such as the Raspberry Pi or the BeagleBone Black and use the kernel and distribution they provide. Install the tools so that you can recompile that kernel. Install the tools so that you can recompile that bootloader. Learn about how to build your own RFS and place it on that hobby target.

Along the way you'll have numerous, more specific questions and I encourage you that once you start getting these more specific questions to absolutely create more threads.
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Old 06-11-2015, 05:18 AM   #4
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You can try CLFS (Cross Linux From Scratch) to build your own base system. And follow CBLFS/BLFS plus help from other projects and web search to build a custom full fledged distro.
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