[GE users] gridengine 6.1 ssh integration

Reuti reuti at staff.uni-marburg.de
Wed Jul 25 17:55:14 BST 2007


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Am 25.07.2007 um 18:32 schrieb Nick Gresham:

> Hello;
>
> I've been interested in testing gridengine with the new tight ssh- 
> integration announced here
>
> http://gridengine.sunsource.net/servlets/ReadMsg? 
> list=users&msgNo=19675
>
> I downloaded the 6.1 sources and incorported openssh-4.6p1 into the  
> 3rdparty build directory.
>
> Having successfully compiled everyting and I'm hitting the following
> problem on my newly-deployed test cluster:
>
> ssh connections spawned by qrsh are using a random destination
> port and recent versions of openssh want to record that port *in  
> addition
> to* the destination IP. So I get a message like
>
> 	Warning: Permanently added '[node32.internal]:44658,[10.0.1.32]: 
> 44658'
> 	(RSA) to the list of known hosts
>
> and a line in known_hosts every time I qrsh ---and this is with
>
> 	StrictHostKeyChecking no
>
> in my .ssh/.config.

The name is .ssh/config - w/o the dot in front of config. - Reuti

> Disregarding the annoyance of the warning one could envisage  
> known_hosts
> eventually becoming 'unfeasably large' if one were to qrsh thousands
> of jobs. (Some of my users are in the habit of doing this).
>
> Is there a workaround (still using ssh)? I have tried things with
> HostKeyAlias, without much luck.
>
> I appreciate that ssh tight-integration is still experimental, but if
> anyone's got some suggestions I'd be more than happy to try them  
> out and
> report back.
>
> Thanks in advance.
>
> N.G.
>
> -- 
> ******** .:S.O.L:. .:C.A.V.U.S:. ********
>
>        	Dr N.J. Gresham
>      	Computer Officer
>
>      	University of Manchester
>      	Faculty of Life Sciences
>      	Michael Smith Building B1083
>
>      	int: 7759349
>      	ext: 0790-989-3684
>
> ************** .:K.A.O.S:. **************

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