[ale] Serial & Console

Jerry Yu jjj863 at gmail.com
Thu Jul 20 00:05:42 EDT 2006


I have similar setup. I have default boot entry to do serial console and 2nd
entry to do both ttyS1 & tty0.

one thing I didn't see in your config is to comment out splashimage.
Otherwise it could ruin your serial console.
# splashimage=(hd0,0)/grub/splash.xpm.gz

what's your /etc/securetty ?

On 7/19/06, Christopher Fowler <cfowler at outpostsentinel.com> wrote:
>
> I don't think you can.
>
>
> --- serial-console.txt ----
> You can specify multiple console= options on the kernel command line.
> Output will appear on all of them. The last device will be used when
> you open /dev/console. So, for example:
>
>         console=ttyS1,9600 console=tty0
>
> defines that opening /dev/console will get you the current foreground
> virtual console, and kernel messages will appear on both the VGA
> console and the 2nd serial port (ttyS1 or COM2) at 9600 baud.
>
> Note that you can only define one console per device type (serial,
> video).
>
> If no console device is specified, the first device found capable of
> acting as a system console will be used. At this time, the system
> first looks for a VGA card and then for a serial port. So if you don't
> have a VGA card in your system the first serial port will automatically
> become the console.
> --------------------------
>
> The problem is that you will not see startup messages on both
> since /dev/console will be associated with tty0.
>
> Do what I do.  Say screw VGA and do everything headless with serial
> consoles.
>
> On Wed, 2006-07-19 at 14:04 -0400, Brandon Colbert wrote:
> > Hey everybody. Hope everyone is well. I have not post here in awhile.
> >
> >
> > I am working on a Cyclades system that allows me to setup serial
> > connection via ethernet.
> >
> > I have the server setup so that I can see the server boot through
> > serial and console. My problem is that I can only choose which one is
> > the main place to display the kernel messages.
> >
> > I want to see the services start and stop through local console and
> > serial.
> >
> > Here is want I have.
> >
> > GRUB:
> > default=0
> >
> timeout=5
> ;
> > splashimage=
> > (hd0,0)/grub/splash.xpm.gz
> > serial --unit=0 --speed=57600 --word=8 --parity=no --stop=1 terminal
> > --timeout=1
> > 0 serial
> > console
> > title Red Hat Enterprise Linux ES
> > (2.6.9-34.EL)
> >         root
> > (hd0,0)
> >         kernel /vmlinuz-2.6.9-34.EL ro root=LABEL=/1 selinux=0
> > console=ttyS0,576
> > 00n8
> > console=tty0
> >         initrd /initrd-2.6.9-34.EL.img
> >
> > INITTAB:
> > # Allows Serial
> > Console
> > co:2345:respawn:/sbin/agetty ttyS0 57600 vt100
> >
> > Can anyone help?
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
> > http://www.ale.org/mailman/listinfo/ale
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale
>
-------------- next part --------------
An HTML attachment was scrubbed...




More information about the Ale mailing list