How can I exchange a busybox while the system is running? I have to
use some kind of update script:

#!/bin/sh
mount -w -o remount /
...
if [ -f busybox ] ; then
        chmod 4755 busybox
        mv busybox /bin
fi
...
mount -r -o remount /
reboot


The problem is, I can't remount it r/o. "device is busy".
And without doing this, my jffs2-filesystem is not in a stable state
while reboot.

Best regards
Arno
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