[juneau-lug] Re: really headless?
- From: Myron Davis <myrond@xxxxxxxxxxx>
- To: juneau-lug@xxxxxxxxxxxxx
- Date: Thu, 14 Nov 2002 03:20:51 -0800
Hi bdk!
Yeah it's because the os still thinks the vga adapter is the console
:( , I forgot about recompiling the kernel, you need to go into
character devices in make menuconfig, then enable support for console
on virtual terminal, and support for console on serial port.
And I may be missing something else as well.
perhaps a line in /etc/syslog.conf, (I don't remember), or maybe it
was a:
rm /dev/console
mknod /dev/console c 4 64 (e.g. ttyS0)
(or perhaps a symlink from /dev/ttyS0 to /dev/console)... it's been a
while but one of those options should do it.
-Myron
On Wed, 13 Nov 2002, bdk wrote:
>
> It looks like when I removed the video card I got the info during boot up
> that I was looking for and the shutdown info in through the serial terminal.
>
> At 21:05 11/13/02 -0900, you wrote:
>
> >Myron, I got around to adding these two things to my box. Plugged in my
> >null modem cable and setup hyperterm. Aren't I suppose to get all the boot
> >info as things load up like you would if you were looking directly at the
> >console? All I got was:
> >
> >LILO 22.2 Loading new.................
> >
> >Debian GNU/Linux 3.0 Osok ttyS0
> >
> >Osok login:
> >
> >Thanks.
> >
> >-sean
> >
> >
> >At 22:04 11/03/02 -0800, you wrote:
> > >Hi bdk!
> > >
> > >When you create headless machine's (without video cards) it is VERY
> > >helpful if something goes wrong for you to get a console through a
> > >serial port. (just in case). e.g. you make a error in your setup
> > >sshd doesn't start or something that way you can plug in a null modem
> > >cable.
> > >
> > >vi /etc/inittab
> > >add the line
> > >T0:23:respawn:/sbin/getty -L ttyS0 9600 vt100
> > >
> > >vi /etc/lilo.conf
> > >at the very top add
> > >serial=0,9600N8
> > >
> > >You don't have to have the box accessible via the serial port but from
> > >personal experience it can be EXTREMELY helpful to plug in a
> > >null-modem cable than taking the box apart and sticking
> > >in a video card. (although video cards are now pretty cheap).
> > >
> > >If you want to run your box just w/o a monitor it'll work fine.
> > >hope that helps...
> > >
> > >-Myron
> > >
> > >
> > >On Sun, 03 Nov 2002, bdk wrote:
> > >
> > > >
> > > > What would that do w/ the serial port, I know it would be good, but
> > > "how" why?
> > > >
> > > > -sean
> > > >
> > > > At 20:15 11/03/02 -0800, you wrote:
> > > > >Hi bdk!
> > > > >
> > > > >Linux works great w/o a video card. I recommend if you have a serial
> > > > >port putting
> > > > >T0:23:respawn:/sbin/getty -L ttyS0 9600 vt100
> > > > >(if your serial port was on COM1)
> > > > >also put in your lilo.conf
> > > > >serial=0,9600N8 (e.g. com1)
> > > > >
> > > > >You will get a bios beep error because your bios will not detect a
> > > > >video card, what I have done is hexedit a bios using awdhack (and
> > > > >hiew) and do a search for speaker beeps and flip them around and
> > > > >reburn your bios.
> > > > >
> > > > >-Myron
> > > > >
> > > > >On Sun, 03 Nov 2002, bdk wrote:
> > > > >
> > > > > >
> > > > > > Can linux run w/o a video card? Or does headless just mean w/o a
> > > monitor?
> > > > > >
> > > > > > I can always try to remove the card from the box and then boot, but
> > > I'm in
> > > > > > the process of installing debian and had to ask.
> > > > > >
> > > > > > -sean
> > > > > >
> > > > > >
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