01-11-2009
Quote:
Originally Posted by
jlliagre
I'm quite sure all the tty drivers available in modern Unix variants handle the non POSIX tty wxh geometry (termios TIOCGWINSZ) and the event triggered when it changes (SIGWINCH) when using a terminal emulator on a windowing system.
I hope you will agree that Solaris 10 counts as a modern Unix variant. I wanted to use the serial system console on ttya. I connected a serial cable to second Solaris 10 system. On that 2nd system, I opened a terminal window and in that window in used tip to connect. That all works fine. But when I vary the window size on the 2nd system, the first system does not seem to be informed. And no fair telling me that I manually type "stty cols 100" (or whatever) after I change my window size.
The Solaris driver used to control ttya (and ttyb) is indeed a real terminal. The other kind of terminal is a pseudo terminal. In the case of a real terminal, where a real tty driver is truely controlling a real serial port, this isn't going to work. It's true that the old printing teletypes are almost completely gone. Ditto those "ascii terminals" too. But the serial port is still alive and well. We either use another unix system as above or a laptop running putty on XP or something like that to connect to a serial port.
This isn't to say that I dislike your solution. I think your solution is as good as it gets. I am arguing that the search for an even more generic solution is futile and that there no help to be had from Posix.
And also note that jlliagre replaced awk with a grep/sed combo. Solutions involving awk are very dangerous on Solaris. Sun absolutely refuses to retire the antique version of awk so you must either use nawk or fiddle with the path on Solaris.
9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello Experts
i'm having some trouble with a script.
the purpose is to kill all processes from a distinct tty in a HP-UX machine, given the User TTY.
it's to use like this:
killtty pts/tnb pts/tr pts/tD
here it is
#!/usr/bin/ksh
i=1
for i
do
|| exit
kill -9 `ps -ft "${i}" |... (9 Replies)
Discussion started by: vascobrito
9 Replies
2. UNIX for Dummies Questions & Answers
Dear all,
when I do a remote shell command from a FUJITSU Unix to an HP-UX,
I always get this:
15:36:35 + rsh -l storto obs2 sh /users/obs/storto/MESO-NH/tmp_olive_map_00CC/job_prepex_70JY_C00CC_20041103_19
Not a terminal
stty: : Erreur inconnue
stty: : Erreur inconnue... (0 Replies)
Discussion started by: stortignauz
0 Replies
3. AIX
Hi All
can anyone tell me what is the meaning of tty,or give me an example of this? (1 Reply)
Discussion started by: magasem
1 Replies
4. AIX
dears
i have two IBM p630 application servers, they are running hacmp 5.2 as the clustering software.
from the output of errpt on one of the nodes i am receiving the following error:
9D30B78E 0530020007 T S tty1 RECEIVER OVER-RUN ON INPUT
please are there any ideas about how... (0 Replies)
Discussion started by: TheEngineer
0 Replies
5. Programming
HI,
When i am configuring php in SUN Solaris. I am getting the below error.
configure: error: Your system seems to lack POSIX threads.
Do i need to install POSIX? If so can somebody let me know where can i download POSIX for Solaris 8?
Thanks, (2 Replies)
Discussion started by: Krrishv
2 Replies
6. Solaris
hi all,
what i want to do
when user open terminal like tty5 and do his work
i want to see his terminal
how can i do this (1 Reply)
Discussion started by: xxmasrawy
1 Replies
7. UNIX for Advanced & Expert Users
I am not sure if I am using the correct terminology but somehow my tty keeps changing on me. The man pages are confusing to me on what exactly the tty is. This is what I see when I run the tty command. Could anyone explain why my tty keeps changing?
~ $ tty
/dev/pts/1
~ $ tty
/dev/pts/0 (6 Replies)
Discussion started by: cokedude
6 Replies
8. Ubuntu
Hi,
Commands ps -A include four parameters are PID, TTY, TIME and CMD. I can not found pathnames of TTY and TIME which I can read from file in C language to get information display on screen. Thank you!
Ex:
PID TTY TIME CMD
1 ? 00:00:01 init (2 Replies)
Discussion started by: newbie_member
2 Replies
9. Shell Programming and Scripting
In bash, you can do something like this:
#!/bin/bash
echo -n "What is your name? " > /dev/tty
read thename < /dev/tty
How can I do the same in python?
I have a python script that has the following content:
#!/usr/bin/python2.7
import getpass
import sys
import telnetlib
import... (2 Replies)
Discussion started by: SkySmart
2 Replies
iscc(7) Miscellaneous Information Manual iscc(7)
NAME
iscc - serial communications interface
SYNOPSIS
controller iscc0 at isa0
DESCRIPTION
An onboard Zilog 8530 DUART provides AXPvme-based Single Board Computers with console (CON) and auxiliary (AUX) serial communications
ports. Both serial communications ports can operate at baud rates from B50 to B38400, excluding B134 (see tty(7)).
On AXPvme Single Board Computers configured with a graphics head as the system console, the CON serial communications port (/dev/tty01) is
available for use by application programs as an additional communications port.
In the absence of a graphics head, the CON serial communications port (/dev/console) becomes the system console. When used as the serial
system console, the CON serial communications port always operates at 9600 BPS, 8-bits, and no parity.
Regardless of system console, the AUX serial communications port (/dev/tty00) is always available for use by application programs.
RESTRICTIONS
Data communications equipment attached to the CON serial communications port must be set to 9600 BPS, 8-bits, no parity when configured as
the serial system console. The iscc terminal driver enforces this restriction.
No modem control is supported for either the CON or AUX serial communications ports.
FILES
console terminal local terminal local terminal
RELATED INFORMATION
console(7), devio(7), tty(7), MAKEDEV(8) delim off
iscc(7)