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Re: remote kernel problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111683] Re: remote kernel problem
  • From: Nate Dudenhoeffer <dudenhoeffer at wisc.edu>
  • Date: Tue, 10 Aug 2010 03:55:38 -0400 (EDT)

Cristobal,

I had a similar problem setting up remote kernels on Mac OS.  In the kernel
configuration try putting the complete path to the kernel, instead of simply
"math."

On Mac OS the path is:
/Applications/Mathematica.app/Contents/MacOS/MathKernel

Regards,
Nate

On Mon, Aug 9, 2010 at 4:13 AM, Cristobal Navarro <axischire at gmail.com>wrote:

> hello,
>
> i am having problems launching remote kernels.
> i have a Xeon server (Linux) on which mathematica is installed, and
> the "math" command works.
>
> on my laptop, i have linux too, and on mathematica i add the kernel to
> be launched on the remote (the server)  node.
> then i try one example:
> 2+2
>
> i press shift+enter... mathematica asks me to insert the password of
> the remote node user name.... ok  and then i get error message:
>
> "The kernel serverKernel failed to connect to the front end. (Error =
> MLECONNECT). You should try running the kernel connection outside the
> front end."
>
> for debugging purposes, i made a kernel for my same laptop, just like
> a "Local" kernel but i choose remote and put my ip adress and my
> useracount of my laptop.
>
> i test 2+2, it asks my password..ok, then the same message:
>
> "The kernel self failed to connect to the front end. (Error =
> MLECONNECT). You should try running the kernel connection outside the
> front end."
>
> this is really weird.
>
> the parameters of the "self kernel" are this:
> `java` -jar `mathssh` fcluster@agua math -mathlink -LinkMode Connect -
> LinkProtocol TCPIP -LinkName "`linkname`" -LinkHost `ipaddress`
>
> if remote kernel does not work with my same computer, i better not
> keep trying with the server yet.
>
> any help is welcome, i really dont know what is going on.
>
> best regards
> Cristobal.
>
>


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