[linux-dvb] Re: Minimum system

[Matthias Weingart <matthias@pentax.boerde.de>]

On Wed, 21 Feb 2001, Walter Krohe wrote:

> > i had it running on a linux box that had: kernel, lilo, bash, vi, vdr,
> > lirc, dvb, insmod, ld and an init-script. of course the programms need
> > some libs that were also installed (simply copyed from the mashine i
> > compiled dvb & vdr on). no runnlevels, no users no login. that thing
> > booted really fast!!! ;-)
> 
> Nice idea to have an VDR-Mini-Linux Distribution on a Floppy. Only the DVB datas going to the
> hard disk. Maybe also the way to get an DVB-VDR thats harddisk shutup when no VDR action is
> going on ("flatroom mode" ;-) )

This is possible, I created such one (not for VDR - for a router) ->
kernel and filesystem are packed on a disk - on booting the filesystem is
unpacked to a RAM-Disk (3MB). FD-filesystem is MINIX. If you want do
change some files in the (packed) RAM-disk you put the new files on the
disk and copy it to the RAM disk (after unpacking). (a shell script on the
floppy is called after unpacking). So you do not always have to create the
RAM-Disk image. The whole thing is running with at least 8MB RAM.
 But I think it is hard to get all necessary programs to the floppy. But
why a floppy - you can put all the stuff (kernel and compressed
RAM-disk-image)  onto the hardisk. You boot from disk (well yes with some
noise :-) but afterwards it is silent - completely running in RAM. Then
you can activate the HD standby it it is more silent.

        Matthias

(My disk is based on kernel 2.0 and a old linux distribution, and have
some settings in the RAMDISk that are only useful for us, but if you
are interested you can get it here:
http://www.boerde.de/~matthias/airnet/zcom/
-bootdisksrc.tgz is the complete project (all files that are needed to
create the disk) 
-bootdiskimg.zip is a simple disk image
btw. there are some other floppy-based linux distributions outside..)
I think it can help you to show how to do it.



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