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remote vpn login to linux vs XP

Posted on 2007-11-20
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Last Modified: 2013-12-06
Hello all,
I am a user who needs to log-in remotely and do graphic intensive work.  So I don't have all the info that may be needed to fully explain the problem.

The problem I'm having is latency issues when logging into my red hat Linux workstation.  There could be a 10 to 15sec delay between keystrokes.

We currently are using a web based vpn, with a java app manager.  I then run VNC to connect to the red hat workstation.  This method really sucks for latency and is unusable.

I can also use the web based vpn and then log-in to my remote desktop XP workstation.  From there I launch VNC and connect to my linux workstation.  This method works better but there still is a lot to intermittent lag.  The remote desktop has very little lag by its self.  

We have also tried nomachine thin client, with no luck

Inside the company intranet everything works great.  Just coming from outside is there problems.

We were using Sun workstations with a Cisco VPN client and Exceed and it worked great.  But when we got a new IT dept, they switched to Linux and the web-based vpn.

I'm wondering if any of the experts out there have any expirence with these issues?
Or at least point me in the right direction to getting this problem resolved.

Thanks
Randy

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Question by:ISGDude
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arrkerr1024 earned 125 total points
ID: 20330224
If it is really a VPN, and not some weird web tunneling, then instead of using VNC to actually get a remote desktop to your linux box you'd get much better performance if you installed an xserver on your windows box, like xming (free), and opened an ssh connection to your redhat box that has x-forwarding turned on (putty can do this, as well as almost all others).  When  you ssh in  you'll get a command prompt and you can then start the program and it will actually launch on your windows desktop.  This puts all of the graphics load on your windows side, and you're transferring a LOT less data than you would be with VNC which transfers the whole desktop, etc.
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Author Comment

by:ISGDude
ID: 20330929
I've installed putty and xming on my XP system here at work.  Now I need to try it remotely.

There must be a way to have the java app manager handle xming so I can install it on my home computer.  I'll look into to that also.

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Author Comment

by:ISGDude
ID: 20375610
When I run Xming from a XP remote desktop I get a "Couldn't find psudo-color" error.

When I run it locally, it works fine.

What's up with that?
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Author Comment

by:ISGDude
ID: 20707478
The windows remote desktop setting needed to be set to 24-bit color instead of 256 color.

This connection works OK, which is better than VNC, but one issue still remains.

I get keyboard run-away.  I'll hit the "F" key (for example) and it will send multiple "F" keystrokes. A few times it wouldn't stop and after several  min. I had to kill the connection.

Any help for this problem out there?
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