Conference csc32::consolemanager

565.0. "concepts question: can you alternate between PCM and a terminal for the console on an OSF box?" by KERNEL::COFFEYJ (The Uk CSC Unix Girlie.) Thu Jan 19 1995 15:23

If I understand PCM rightly it makes it's own access to a 
machine, it doesn't use login, it doesn't use gettys, 
it would in fact conflict with these. 

However it's possible I have this wrong or there are workarounds. 


A customer here believes they have a PCM link to a terminal server
that up until recently they've been able to unplug from the 
terminal server, plug into a VT220 and get a login: prompt,
and now that they want to do that to investigate why console 
manager doesn't appear to be getting information from that 
machine it's not working. 

My feeling is that a getty running on the line (setup in inittab) 
would be sufficient to allow logins from the terminal but if that 
was set up then console manager is definitely not going to be able 
to access the information on that machine cause every query it 
sends will be answered with 

login:
Password:

which won't be quite what PCM is after. 

The only workaround I can think of involved 2 versions of
inittab with and without tty gettys which are popped in 
place and init q'd each time the switch is required. 



Any clarification gratefully received, and incidentally no
the customer isn't running the MUP quite yet - Dublin are 
organising it onto a tape to ship out to them in relation 
to the last time I was noting in here :-) 



Jo_over_polyed.

Our aims with the customer have changed, we're going to ignore 
any terminals - so this is no longer and important question, 
just some curiosity - is my understanding ofthe conflict a 
getty would create roughly right?

    Simon or Phil could correct me on this, but yes, you are correct.
    PCM access the /dev/tty device directly for all I/O.
    
    Dave