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Conference bulova::decw_jan-89_to_nov-90

Title:DECWINDOWS 26-JAN-89 to 29-NOV-90
Notice:See 1639.0 for VMS V5.3 kit; 2043.0 for 5.4 IFT kit
Moderator:STAR::VATNE
Created:Mon Oct 30 1989
Last Modified:Mon Dec 31 1990
Last Successful Update:Fri Jun 06 1997
Number of topics:3726
Total number of notes:19516

3441.0. "$SET DISPLAY to an IDLE workstation" by WARNUT::YATES (Double Glazed DECWindows are best) Tue Oct 09 1990 08:32

    Sorry if this has already been asked ... but I need an answer in a
    hurry!
    
    What I want to do:
    
    Given that I have TWO workstations (this is theoretical, I don't
    really have two workstations .. no complaints please!).
    I would like to fire up a window from one workstation to the other...
    EASY! you say - just set the security up an do a $SET DISPLAY etc...
    Well, the only problem is that I want the client workstation to be in
    an 'IDLE' state - ie. with the Digital logo and the Login Box only on
    the display. So, no user is logged into the client, but I still want to
    fire a window at it.
    
    Presumably there is some security I need to set up to allow this to
    happen, but WHAT IS IT? PLEEEASE can somebody help me???
    
    Hope someone out there can help,
    
    Mark.
T.RTitleUserPersonal
Name
DateLines
3441.1UTRTSC::HELDENIf you can't hear it, you better C itTue Oct 09 1990 10:4116
    Create on the workstation you want to display on the following file:
    
    sys$manager:decw$server_access_allowed.dat
    
    Write on the top of that file 
    
    * * *
    
    Meaning Transport Node Username.
    
    The rules for displaying remain the same.
    Now the server will display all client windows on the login screen,
    beware that there is no window-manager running then.
    
    Success
    another Mark
3441.2Warning however...IO::MCCARTNEYJames T. McCartney III - DTN 381-2244 ZK02-2/N24Wed Oct 10 1990 11:479

Be advised however that this means that ANY client from ANY node can 
access the same display.

If you want to restrict the access rights, you can explicitly list 
the nodes and users in the file rather than just "* * *".

James
3441.3???WIDGIT::WESTSCARY : A programmer with a screwdriver.Wed Oct 10 1990 18:516
  and for Ultrix... ?????


					-=> Jim <=-

3441.4DECWIN::FISHERI like my species the way it is&quot; &quot;A narrow view...Thu Oct 11 1990 15:354
I don't think there is a default security file in Ultrix is there?  You can
use Xhost, but that has to be done after each reset.

Burns
3441.5/etc/Xn.hostsMIPSBX::thomasThe Code WarriorThu Oct 11 1990 23:261
where n is the display number.  Each line is either a IP or DECnet host.
3441.6MSBCS::SKIFri Oct 12 1990 13:2814
    Sorry, but I can't get this to work.

    I created the file:
    SYS$SYSDEVICE:[SYS21.SYSMGR]SYS$MANAGER:DECW$SERVER_ACCESS_ALLOWED.DAT

    Contenets of file is:
    * * *

    I still get "connection refused by server" messages when I do:
    $ SET DISPLAY/CREATE/NODE=workstation
    $ RUN SYS$SYSTEM:DECW$PUZZLE

    Do I need to reboot or restart DECwindows in order to make it take effect?

3441.7Ah, now it's working for meMSBCS::SKIFri Oct 12 1990 15:4310
    Hmmmmm....I logged into the workstation and then logged out.
    Now the access_allowed file has taken effect and I can display
    to vacant workstation.....neato.
    (Sorry for the false alarm)

    However, without a window manager running you are extremely restricted
    in what you can do with the application you are displaying.  And that
    darn login box stays in the way.
    Ah well, It is still interesting that it can be done.

3441.8get rid of WSAnVINO::MCARLETONReality; what a concept!Mon Oct 15 1990 10:5917
    You can start a remote window manager from some other system to allow
    you to manage windows on your server.

    If you stop the WSAn process on the remote system, the login window
    will disappear.  I was thinking of writing an application that would
    put up a small box on the screen with a push button that says "Push
    here to login".  Pushing the button would start the normal login
    application.  This would allow remote applications to use the screen
    without the login process getting in the way.

    It would be better if there was some way to tell the server "please
    drop all login connections for the remote application that wants to
    use the screen."  The login application would have to have some kind
    of window property to allow the server to recognize it.

    						MJC