Headless system or serial console

Emanuel Strobl emanuel.strobl at gmx.net
Fri Feb 18 02:00:15 GMT 2005

Am Donnerstag, 17. Februar 2005 23:57 schrieb Joachim Dagerot:
> The handbook describes a way to install freeBSD to a headless system.
> (http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/install-advanced
> I'm used to drag'n'drop(!) my 45kg 21" spare monitor in and out from the
> closet to do single-user tasks. But now I want to go the serial port way.
> 1. Is there a way to get a serial console after the installation is done?
> How? (Link?) 

Just add the line "console=comconsole" in /boot/loader.conf and you have your 
1st sio as console with 9600boud.
If you need loader interactivity, instead create the file /boot.config with 
the two characters "-h" in the first line, then you don't need to set the 
console in loader.conf.
If you want to have a different console speed see the sysctl 
"machdep.conspeed". You can set that via sysctl.conf.
But if you also want a different port or serial control before login see the 
following options in /etc/make.conf:
BOOT_COMCONSOLE_PORT=   0x2F8 # Use sio1 (com2)

You have to rebuild your kernel and the loader. For the latter go 
to /usr/src/sys/boot/i386 and 'make clean' 'make depend' 'make install'

If you want to login in multiuser mode edit /etc/ttys and make sure you have a 
line like that:
ttyd0   "/usr/libexec/getty std.115200" cons25  on secure

> 2. Can I connect a palm to use as a console on the headless 
> freeBSD system? How? (Link?)

No idea, sorry

Best regards,

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