[systemd-devel] controlling serial console using a token

[Praveen kumar R]

Yes it's a kernel command line arg, it is board specific token introduced
to control the serial console.
if defined serial console should not be enabled.

we have this in place for other system initializing system - sytemV , where
depending

On Fri, Apr 17, 2015 at 4:24 PM, Lennart Poettering <lennart at poettering.net
<javascript:_e(%7B%7D,'cvml','lennart at poettering.net');>> wrote:

> On Fri, 17.04.15 15:54, Praveen kumar R (praveenrgowda at gmail.com
> <javascript:_e(%7B%7D,'cvml','praveenrgowda at gmail.com');>) wrote:
>
> > I have a token passed on by command line argument on which I need to
> decide
> > to start the serial
>
> On which command line? Kernel command line? What kind of "token"?
>
> > console or not. I plan to tweak the getty*ttyS0.service and add the
> > script which validates the token and starts the console.
> >
> > Is this the right approach or is there any better way of handling it ??
>
> To get a login getty on the serial port its sufficient to add
> console=ttyS0... to the kernel cmdline. systemd automatically starts a
> serial getty automatically on the first terminal the kernel console is
> pointing to.
>
> Lennart
>
> --
> Lennart Poettering, Red Hat
>
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