On Mon, Aug 11, 2014 at 07:35 PM, Harald Becker said:
> Did I get it right?
This is very close to what I'm doing now. The two changes are:
1) I boot into Debian so I switch_root into their /sbin/init
and I use "telinit u" to get back pid 1.
2) I copy busybox et al. into the new root before switching
so I don't need to unpack. I suppose unpacking is slightly
safer but I have things I need to communicate to the booted
systems anyway. This is partly a holdover from Knoppix
design I started with that used symlinks instead of a
switch_root. Then I moved to bind mounts which were much
better but eventually a few programs were unhappy with them
so I ended up with the switch_root and I copied the BB stuff
over so programs on the booted system that I communicated to
didn't need to be changed.
I also like the consistency of having my busybox stuff almost
always under /live even though I have to copy things around
to make it so.
BTW: I wrote a space invaders game in busybox-shell, although I
cheated a little and wrote a tiny C program called getch that
gives me non-blocking input. Maybe there is already a way to
do that built in. If not, a getch applet might be very handy.
It is a small thing but it is all that is needed to write
truly interactive scripts with just busybox. IMO it would
open the door to some really neat things.
Peace, James
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