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remote kernel problem

• To: mathgroup at smc.vnet.net
• Subject: [mg124244] remote kernel problem
• From: Ted Sariyski <tsariysk at craft-tech.com>
• Date: Sat, 14 Jan 2012 17:09:01 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

Hi,
I have a remote configuration from Windows7 (64 bit) to a Linux x86_64
(Ubuntu11.10). I set the Notebook kernel to remote. When I execute (2+2)
I get a password window. On the remote machine I see that the
authentication passed and I see that a remote math session to be launched:

tsariysk 19772  0.0  0.0 235828 20268 ?        Ssl  07:40   0:00
/usr/local/Wolfram/Mathematica/8.0/SystemFiles/Kernel/Binaries/Linux-x86-64/MathKernel
-mathlink -LinkMode Connect -LinkProtocol TCPIP -LinkName
52956 at 192.168.1.153,52957 at 192.168.1.153 -LinkHost 192.168.191.14

Still,  (2+2) is never evaluated.  After a while I get an error message:

"The kernel craft28 failed to connect to the front end. (Error =
MLECONNECT). You should try running the kernel connection outside the
front end."

which I do  not understand. What is wrong and how can I track this problem?

Thanks in advance,
--Ted