W3DJS Raspberry Pi Ham Radio Distribution v2.0 Released

chuck gelm <rpi4ham@...>

'W3DJS Raspberry Pi Ham Radio Image Distribution v2.0 Released'

In other words, it is a distribution, not an image.
The 'distro' contains a proprietary compressed file.

Using a torrent client on 'http://hampi.radiowaves.ca/HamPi%20Image%20v1.0.torrent',
I obtained a folder ('HamPi v1.0 by W3DJS'), containing:
total 3.7G
3.7G HamPi_v1.0.img.xz
4.0K HamPi_v1.0.img.xz.sha256sum
456K README.docx

 Because 'HamPi_v1.0.img.xz' is a proprietary compressed format,
balena-etcher is required to un-compress (and to place the disk image on SD media).

In this scenario, 'dd' will not work as it is expecting an image (.img), not a
'compressed disk image' (.xz).

Carlos:  You are correct in part:

On 7/1/20 8:48 AM, N3RDR wrote:
I would be careful with assuming dd will work in macOS.  I have not tried on this particular image but have tried on others.  Even though there are different *nix flavors, the filesystem needs to be supported. I previous tried on a Pi project I had I could not use dd because the image I needed to write was not on a format the Mac supported. I use Balena Etcher on my Mac.  It provides a nice interface that makes creating bootable SD cards a breeze.

'dd' will work in Mac-OS, but not using this proprietary compressed file (HamPi_v1.0.img.xz).
It seems to me that 'balena-etcher' uncompresses and transfers the .xz file, 'on the fly'.

 I have no difficulty transferring a disk image (.img) to filesystem media using 'dd'.

 It seems, in this distribution, balena-etcher is required for installation.


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