[Grml] Getting a shell on serial
Michael Prokop
mika at grml.org
Fri May 5 21:39:47 CEST 2006
* Mike <schizo at angui.sh> [20060505 20:15]:
> I'm trying to use grml as the base for a hardware validation USB
> key on a machine which has no video at all, and is accessible
> through a serial console.
> After yanking the boot.msg splash screen and adding
> console=ttyS0,11500n8 to the append line, things are promising
> (moreso than knoppix which had serial support as a module :( )
> The issue that I'm having is that even if I use the 'serial'
> cheatcode (in addition to having added the console bit to the
> append line), I'm not getting a shell on the serial console. I
> get as far as:
> [ ok ]hing for device(s) labeled with GRMLCFG.
> * Floppy device detected. Trying to access floppy disk. (Disable this via
> boot option: noautoconfig)
> [ ok ]devices with label GRMLCFG found.
> [ ok ]hed execution of main grml startup.
> (minicom messes up the pretty formatting)
> And then nothing. This is the point at which I would normally be
> getting a prompt and be on my merry way.
> What's the trick to getting it going?
> (If I boot the same USB key on my desktop, using the same
> cheatcode and append line, I get no boot progress to screen [all
> going to imaginary serial], just the grml.org logo in the upper
> left, and then suddenly the normal shell)
Which grml-version are you using?
Please try booting via:
serial
No further options needed. This will run 'grml ... console=tty1
console=ttyS0,9600n8' and start mgetty for you. Does it work with
minicom then? Another option would be using ser2net instead of
minicom. If you are using grml 0.7 please try using grml-small 0.2
instead and report whether it works for you then.
regards,
-mika-
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