Re: What services are NOT needed with EMC

[Ray <rehenry-at-up.net>]

John

I'm on my way there.  Thanks!

Have you set up the EMC on one of these jailbait linux OS's?

Ray


On Thu, 22 Feb 2001, John M wrote:
> Jailbait linux (jailbait.sourceforge.net) is a linux distro aimed at the
> i-opener machines, (but you can boot it on other machines) that is
> designed
> to boot out of flash and not write back to the flash (all temporary
> filesystems are in ram, to eliminate unnecessary flash writes).  They
> fit
> USB ethernet, sound, a reasonable complement of network facilities
> (NFS, ftp, ssh, etc) along with X and netscape and VNCViewer in 16 mb of
> flash, with
> a bit left over.  
> 
> If you really need the space, this might be a thing to look at as a
> starting
> point.  I've gone that route, and the extra money for flash/ram is tiny 
> when compared to the time it takes to customize/strip a distro to be
> _really_ lean.
> 
> murph
> 
> Ray wrote:
> > 
> > (comments mixed in)
> > 
> > On Wed, 21 Feb 2001, Paul wrote:
> > > Hi Ray
> > >
> > >  Have you been talking to Dan again <g>
> > 
> > Guilty.  And a couple of sbc makers.
> > 
> > > I had this discussion in the New Year, and have given it a casual look
> > from > time to time since.
> > > X windows and the window manager would be the largest part of any install. If
> > > this part could be dumped in favour of a framebuffer drive and a small
> > > dedicated GUI implimented - I would think  you could sqeeze it into less than
> > > 32 Mb.
> > 
> > Right, 32Mb of rtlinux and the EMC - sans gui on a compact-flash.  And it
> > would be a great black box with just a power cord, an ethernet connection,
> > and with some of gecko's finest, molex connectors for each axis.
> > 
> > Of course you could make it just a netboot and have no hard storage.  128
> > Mg 100 sdram is going for < $50 now.  Compact Flash is close to $100.
> > 
> > > Rtlinux is available on a single floppy, used in conjuction with nano-X
> > and > FLTK, an embedded EMC is a very real possibility.
> > 
> > > Some usefull URLs:
> > > http://linux-fbdev.org  for frame buffer drivers
> > > http://www.microwindows.org for nano-X
> > > http://www.fltk.org for fltk
> > 
> > Thanks for the links.  Anyone up for making one or two of these work and
> > display them at NAMES.  I can build them here if I can get help with the
> > software setup for it.  We could use an industrial sbc or a cheapo board.
> > 
> > I'd like to see the project details preserved as "open pages."  We could
> > GPLD them and put them in a section on linuxcnc.org.
> > 
> > Ray
> > 
> > > Regards Paul.
> > >
> > >
> > >
> > >
> > > On Wed, 21 Feb 2001, Ray wrote:
> > > > I have been talking with some fellows who think that they can get it all
> > > > into a 64 meg disk-on-chip or compact-flash.
> > > >
> > > > Once we get matching rpm's for rt and emc we will be able to install in a
> > > > much smaller space 'cause we won't need the development stuff.  Like Paul,
> > > > I'd keep a network handy and use it for part-program storage and such.