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SubjectInit single and Serial console : How to ?

I'm trying to activate a serial console on a Linux 2.4.20 (OK, this is not
most recent one, but this is the one I'm running).

Configuration is quite simple : at the LILO prompt, I key in :
LILO: linux console=ttyS0 -s

This is supposed to start Linux, and have the console on ttyS0.

The problem is that the bash prompt ends on the monitor, not on the serial

I've read about the :

ioctlsave is a small utility to create the Linux SysV init file
/etc/ from a multiple user run level rather than from single
user mode. /etc/ contains the terminal settings to be used in
single user mode. Users of terminals or modems which cannot be
configured to operate at 9600bps (and thus set using the
standard mechanism) will find this utility useful.

but, the problem is that this operation is only possible if you can have
access to the machine (to run the ioctlsave utility).

When you have a remote machine, for which you have a serial access at boot
time, but which is not completed its "go to runlevel 3" boot to give you
a serial console, how is it possible to force it to give you a prompt on
the serial port in single mode ?


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