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Article View: comp.sys.next.sysadmin
Article #1508

Re: How to message network users before system shutdown?

#1508
From: David Apfelbaum
Date: Wed, 14 Oct 1992 22:48
43 lines
2225 bytes
   aherskow@reis5.alleg.edu writes:
>>I am looking for a way to send a message to all users logged in to
NeXTs which could  
>>notify them of the system being shut-down.  We have thought of a few
ways to do it, but  
>>they seem rather usage intensive.  
>>
>>It is a shame that "wall" doesn't work because of the GUI.  They will
only get the  
>>message if they are running terminal or looking at the console file
(which few students  
>>do.)  
>>
>>Is there a way to get terminal to pop-up, etc, or has someone written
an App to do just  
>>this? 

   cs4w+@andrew.cmu.edu writes:
>If you really need this capability, perhaps you should port zephyr to
>the NeXT.  It should be fairly trivial to do-- just hack the X Windows
>code to bring up a window under the WorkSpace.  This would also give you
>communicativity with machines running X11, if such beasts exist at your
>site. :-)


For the benefit of you folks that are not on AFS, the X version (Andrew
implementation) of zephyr has  a source tree >8.6 Megabytes.  Conversion
to NeXTStep may be worthwhile, but will most likely be extremely
non-trivial.


Now, why can we simply write a 10 line program that uses NXRunAlertPanel
to run a alert-panel with an OK button, and then arrange to have it run
remotely on whatever machine you wish it run on...  (Net-gurus, is there
any way to have inetd run it on demand?  Or would we need a daemon
process on each machine?)  (For that matter, will it (the daemon or
whatever process) need to be owned by the current user to access the
workspace?)


		-David Apfelbaum
		 da0g+@andrew.cmu.edu
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From: da0g+@andrew.cmu.edu (David Apfelbaum)
Newsgroups: comp.sys.next.sysadmin
Subject: Re: How to message network users before system shutdown?
Message-ID: <werFEuu00WAvQ1gMJX@andrew.cmu.edu>
Date: 14 Oct 92 22:48:26 GMT
Article-I.D.: andrew.werFEuu00WAvQ1gMJX
References: <1992Oct13.124742.4439@pellns.alleg.edu>
 <cer4KV_00WAy4LvFYE@andrew.cmu.edu>
Organization: Carnegie Mellon, Pittsburgh, PA
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