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Old 02-12-2010, 02:51 PM   #1
swade185
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Registered: Feb 2010
Location: Ashford, CT
Distribution: Red hat
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Xvnc Sessions do not allow program or terminal launching


I just added 8 additional vncserver sessions(Xvnc) (using a well-documented procedure my predecessor used) to my RH Enterprise 2.4.21-4 (OK it went by fast) server.
This brings the number of session listed in my /etc/sysconfig/vncservers file to ~32.
Applications and terminals now seem to choose if they will open or not in the Xvnc session and not all sessions start at boot.
I can start them manually, and they will work, but then they stop working properly. You can open a session, view the active desktop, click on menus and associated drop-down items to try and open apps, but the apps/terminals just won't open.
Is there a limit to the number Xvnc Sessions that can be managed?
If so, what is it?
This happens whether I try to connect from a Winddows box or another Linux box.
Thanks,
Wade

Last edited by swade185; 02-12-2010 at 02:54 PM.
 
Old 02-14-2010, 12:32 PM   #2
tredegar
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Registered: May 2003
Location: London, UK
Distribution: Debian "Jessie"
Posts: 6,017

Rep: Reputation: 369Reputation: 369Reputation: 369Reputation: 369
32 vncservers! Why so many ?
Are you running out of memory / swapspace ?
What is the output of free ?
 
Old 02-15-2010, 07:27 AM   #3
swade185
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Registered: Feb 2010
Location: Ashford, CT
Distribution: Red hat
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Smile Answers

The application that everyone is accessing is only on one machine and I don't want people "stealing" the windows from one another.
I do not think I am running out of memory/swap space.
Here is the result of free with minimal sessions.
total used free shared buffers cached
Mem: 31193128 1649308 29543820 0 24280 397180
-/+ buffers/cache: 1227848 29965280
Swap: 33554424 0 33554424

And here is the result when all sesions are running and the server is allowing selective clients full utility.
total used free shared buffers cached
Mem: 31193128 1660820 29532308 0 24812 397688
-/+ buffers/cache: 1238320 29954808
Swap: 33554424 0 33554424

It does not look like much of a difference, but once again I am kind of new at this.

Thanks,
Wade
 
Old 02-15-2010, 02:10 PM   #4
tredegar
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Registered: May 2003
Location: London, UK
Distribution: Debian "Jessie"
Posts: 6,017

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Your "results" are difficult to read because you have not enclosed them in code tags [ in the "Quick Reply" window, click "Advanced" then the # icon, then paste your results between the tags - that way the columns will line up ] like this:
Code:
tred@vaio:~$ free
             total       used       free     shared    buffers     cached
Mem:       1034276     740368     293908          0      35876     485640
-/+ buffers/cache:     218852     815424
Swap:       610460          0     610460
tred@vaio:~$
But I think you are not out of memory.

You did say that you are running a 2.4 kernel "RH Enterprise 2.4.21-4", which is... well, really OLD.

Maybe it is time for an upgrade?

I missed that it was your first post to LQ, so here's "Welcome to LQ!"
 
  


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