LinuxCNC install from USB

Nigel Pearson
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20 Jul 2022 03:57 #247811 by Nigel Pearson

Replied by Nigel Pearson on topic LinuxCNC install from USB

I had the same problem. Installing from a microSD in a card reader. No combination of unplugging/re-inserting helped.

So, I put the ISO on a regular USB memory thingy – a Lexar 4GB. It worked fine.

When I was dd-ing the ISO on, I noticed that it was close to 2GB, maybe slightly over? My microSD was 2GB :-(

It booted live image OK, but maybe the install uses different parts of the ISO?

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tommylight
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20 Jul 2022 13:08 #247845 by tommylight

Replied by tommylight on topic LinuxCNC install from USB

If the image is bigger than the card/usb, DD will just report it at the end when it has no more space to write to, only if verbose mode is used. The resulting card/usb will not be usable in almost all cases.

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Geosec
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04 Feb 2023 17:09 #263676 by Geosec

Replied by Geosec on topic LinuxCNC install from USB

Had the problem too. Installing

linuxcnc-2.8.4-buster.iso from a 32 microSD card in a USB reader. Created iso on the card in linux using command line dd. Could launch LinuxCNC from USB boot, but wouldn't install. Failed to read CD error.
Created a new ISO on an 8GB microSD card using Rufus and dd mode on a windows machine. Then it worked fine.

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