[Rule-list] Potential low mem boot disk/installer

[Devon]

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On Monday 04 March 2002 02:43 am, James wrote:
> Devon,
>   Since your looking for ways to save space, how about using genromfs
> to create a ROM file system which can then be compressed with gzip?  I
> just looking at some of the articles written by Bruce Perens on BusyBox
> (embeded linux journal) and this is the method he used to save space. 
> Oh and He too used uClib.... nice isn't it.

It was your first message on this topic that got me looking in this 
direction. I followed the link you provided, and did as his directions 
suggested.
(Thanks for the link by the way, I had intended to mail you earlier)

It didn't work. No matter what I tried, I got a console message about 
'cramfs: bad magic'
kernel panic, unable to find init.....

However, there are other ways to accomplish the same thing.
Basically, (It's way too late for this) :)

dd if=/dev/zero of=rootfs bs=1k count=4096
mkfs.ext2 -F -m 0 -i 2000 rootfs
mkdir loop
mount -o loop rootfs loop/
mkdir filesystem
(populate filesystem)
cp -a filesystem/* loop
ldconfig -r loop/
(Takes care of the few dynamically linked binaries)
umount loop
gzip -9 rootfs
mformat a:
syslinux -s /dev/fd0
mcopy syslinux.cfg a:
mcopy boot.msg a:
mcopy rootfs.gz a:
mcopy /usr/src/linux-2.4/arch/i386/boot/bzImage a:vmlinuz

Thanks again,

- -D

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