>dd if=iso of=/dev/ad0s1
>dd: /dev/ad0s1: Read-only filesystem
According to <URL:http://makeashorterlink.com/?S37C2186B>[1]
a workaround might be using
dd if=/dev/foo of=/dev/ad0 oseek=63
Ah. Ok. That should have been obvious :oP
What about those first few bytes, though? I think I am not
getting what I need ...
dd if=iso of=/dev/ad0s2 oseek=63
dd if=/dev/ad0s2 of=iso2
truncate -r iso iso2
diff iso iso2
(Binary files iso and iso2 differ)
What I am doing is using a 4.11 system to copy a 5.4 boot iso
to an unused partition, so that I can boot it and install 5.4.
I know it seems roundabout, but it is a very old laptop with
either floppy or cd (not both) and the pccard ethernet iface
which is working fine under 4.11 is not working in the 5.4
installer -- so no network install.
Oh, and the cd drive is not bootable.
So, I want to boot the cd image from the hard drive, and
use the cd drive for the install after it boots.
Anyhow, I used the oseek=63 and copied the iso to ad0s2 ...
but I can't boot it.
boot: 0:ad(0,2,a)/boot/loader
Invalid partition
Of course, I am not really sure how to specify ad0s2 from the
boot: prompt.
Thanks for your help.
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