[Xgrid] Re: Xgrid-users Digest, Vol 6, Issue 9

I really would like to unsubscribe.

I have used the link, but I get this e-mails with no stop at all.


Am 03.02.2009 um 12:12 schrieb [EMAIL PROTECTED]:

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> Today's Topics:
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>    1. xgrid ssh tunnel (Joachim Moortgat)
>    2. Re: xgridctl as root (Ernest N. Prabhakar, Ph.D.)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Tue, 3 Feb 2009 10:38:04 -0800
> From: Joachim Moortgat <[EMAIL PROTECTED]>
> Subject: [Xgrid] xgrid ssh tunnel
> To: [EMAIL PROTECTED]
> Message-ID:
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>
> Hi,
> I wonder if anyone could give me any suggestions to set up a ssh
> tunnel in order to connect a remote agent to my local xgrid. Let me
> explain the set-up. I have a working little test xgrid in my office,
> consisting of 1 iMac running the controller plus client and agents on
> its 2 cores. Connected to it is a macbook pro running agents on its 2
> cores and connected via ethernet over the local network. All
> connections are password protected. Next I would like to connect other
> agents over the internet. However, my xgrid described above is on the
> local network, behind a firewall and can't be accessed from the
> outside world. I do have access and control over my agents though,
> including their firewall and port forwarding. So what I need to do
> (unless someone has another suggestion) is to ssh OUT to my agents,
> tunneling the xgrid 4111 port (and others?). I did find some
> suggestions in the archives of this list to go the other way, i.e. ssh
> tunneling from the agent to the controller, but not this way around.
> I tried connecting to the agent computer (remote.agent.org) like this:
>
> ssh -L 4111:remote.agent.org:4111 -l meuser -N remote.agent.org
>
> but it doesn't work (error is:
> bind: Address already in use
> channel_setup_fwd_listener: cannot listen to port: 4111
> Could not request local forwarding. )
> maybe because the computer that runs the controller also runs 2 agents
> on itself. I did set up the agent to connect to localhost for the
> controller.
>
> Does anyone know how to do this?
> --J
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 03 Feb 2009 11:35:06 -0800
> From: "Ernest N. Prabhakar, Ph.D." <[EMAIL PROTECTED]>
> Subject: Re: [Xgrid] xgridctl as root
> To: Apple Xgrid list <[EMAIL PROTECTED]>
> Message-ID: <[EMAIL PROTECTED]>
> Content-Type: text/plain; delsp=yes; charset=us-ascii; format=flowed
>
> Ed Baskerville wrote:
> > So, just to clarify, when you run xgridctl using the root user, it
> > successfully runs (because you have root privileges) but returns
> > that the controller is not running because it talks to a root-user
> > launchd rather than the system launchd? Does that sound right?
>
> Not quite.  When you run as the root user on Leopard via "su root" or
> a setuid-root binary, your mach bootstrap namespace does NOT change at
> all, so you are actually talking to the original user's launchd rather
> than the system launchd.
>
> -- Ernie P.
>
>
>
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> End of Xgrid-users Digest, Vol 6, Issue 9
> *****************************************

Dr.-Ing.V.Sassmannshausen
[EMAIL PROTECTED]
California/USA



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