this post was submitted on 04 Sep 2025
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I have a quick question about Linux from Scratch - Can one go through the process on a machine with no OS and a prepared thumb drive? I have a spare laptop right here... (or even an image on Ventoy)

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[–] JRaccoon@discuss.tchncs.de 8 points 1 week ago

You can do it from a live cd/usb just fine, but you'll need to repeat some preparation steps (basically chapter 2 of the book) every time you boot the host.

The way I did was to install the host (I chose Debian) on a small partition on the disk, leaving most of the space for the LFS partition. Once the (B)LFS build was complete enough that I didn't need the host anymore, I just removed its partition and expanded the LFS partition into the now unallocated space.