> Am 22.09.2016 um 00:23 schrieb Theo de Raadt: > >> But on that alix box, nothing seems to arrive at the serial line. I > >> tried all of these (the <x> were in 0 t o5): > >> > >> # cu -d -l ttyC<x> -s > >> 9600 > >> > >> Connected to /dev/ttyC<x> (speed 9600) > > Well, because that is one of the virtual console / screen > > device. You want to use tty00. > Thank you. Now I get this error: > > # cu -d -l tty00 -s 9600 > cu: open("/dev/tty00"): Device not configured Use cua00
Look -- did you read the manual page? -l line Specify the line to use. Either of the forms like cua00 or /dev/cua00 are permitted. The default is /dev/cua00. See cua(4) for information on terminal devices. Users in group ``dialer'' are permitted to use cua(4) devices by default. Did you then read follow the breadcrumps to read cua(4) ? > I didn't find how to configure this/a device. Tried /etc/remote, > /etc/ttys, many man pages, Absolute OpenBSD, read about line disciplines > (but didn't find hot to configure them), etc. Also, from 5.8 on tip is > not there any more, guess it was merged with cu or so. Or are there > (more) framework change with doc lagging behind? > Anyway -- any hints? > > If I understood ttys correctly, I can attach my serial logger software > (instead of getty) directly to tty00 (once I know how to configure it), > so that when the box boots, it automatically starts logging, and if the > process disappears, it restarts it. Right? It seems you did all that, but didn't read the manual pages. In fact, what you want is entirely the defaults: # cu