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Moving serial settings from one system to another

Posted on 1999-08-10
Medium Priority
Last Modified: 2013-12-27
I want to know how to move a customized serial configuration from one Sun Sparc5 (SunOS 5.4) to a Sun Ultra (SunOS 5.6).  Could I do this just by moving /etc/remote, or would there be more commands involved?

Background info...I have inherited a dusty old system with what appears to be some kind of serial multiplexer hanging off of a serial port.  There are 5 modems attached to the mux via RJ-11 cable.  I need to move it to a newer box with a newer OS.  It's also running PERL 5.003 scripts.  

So what I was thinking was...move /etc/remote to the new machine, plug in the mux, restore the custom /etc and rc.d scripts, install PERL, and I'm done.  

But I know it can't be that simple.  Am I totally oversimplifying?
Question by:marimba
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Author Comment

ID: 2011905
Adjusted points to 300
LVL 21

Expert Comment

ID: 2011906
Apart from configuring a serial port on the Ultra with the same settings as the one on the Sparc & ensuring all the files you copy reference the new port mapping - But don't waste too much time on my humble suggestion, as I'm not familiar with /etc/remote and I've never seen a mux that can handle multiple connections on a single standard serial port. How does it sort out the terminal IDs?

BTW, are the modems used for remote access or dial out from the server?

Expert Comment

ID: 2011907
I'd compare the existing sparc5 machine /etc/remote to the 2.6 machine first. Just see what the differences are. I reckon you are gonna have some problems if you try and copy over the /etc/rc$.d files directly- the machine might not even boot- there are some fundamental differences between 2.4 & 2.6. Why do you want to do this anyway? What is in the rc scripts, that you think you will need?

What do these perl scripts do?

Accepted Solution

bedot earned 600 total points
ID: 2011908

If i've well understood, you need take an existing serial configuration to configure the same on an other box;
supposing same possibilities of the intelligent interface, an interrogation stty -g typed on the source box is able to produce a string usable in an stty command as indicated in the manual:

           stty -g             Report current settings in a form that can be
                               used as an argument to another stty command.

root@med1091[/]stty -g
putting the result on the file /tmp/aaa
root@med1091[/]stty -g > /tmp/aaa
permit to use these parameters on an stty command (note the antiquotes)
root@med1091[/]stty `cat /tmp/aaa`


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