[torqueusers] qstat via ssh port forwarding

Kevin Van Workum vanw at tticluster.com
Thu Oct 25 13:09:50 MDT 2007


On 10/25/07, Rajiv Chittajallu <rajive at ieee.org> wrote:
> Its not going to to work cause pbs_iff on  _localhost_ should talk to the
> torque too.

On which port does pbs_iff talk to the pbs_server?

> Kevin wrote on 10/25/07 at 13:51:18 -0400:
> >I'm trying to run qstat on my localhost to query a pbs_server on a
> >remote cluster. I have ssh access to the 'login' server on the remote
> >cluster. The pbs_server is running on separate machine (torque) at the
> >remote site. I can run 'qstat @torque' from the remote login server.
> >My question is how do I setup the port forwarding correctly to get
> >qstat to run on my local machine. I tried the following but it doesn't
> >work even though tcpdump show the packets reaching the pbs_server
> >machine (torque). Maybe I'm using the wrong port or need to forward
> >some more ports?
> >
> >For example:
> >
> >[kevin at localhost cmds]$ ssh -L 15001:torque:15001 -N login &
> >[1] 9133
> >[kevin at localhost cmds]$ ./qstat @localhost
> >No Permission.
> >qstat: cannot connect to server localhost (errno=15007)
> >
> >[root at torque ~]# tcpdump tcp port 15001
> >tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> >listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
> >13:43:30.475376 IP login.54769 > torque.15001: S
> >2101652975:2101652975(0) win 5840 <mss 1460,sackOK,timestamp
> >1525634279 0,nop,wscale 5>
> >13:43:30.475396 IP torque.15001 > login.54769: S
> >2061961280:2061961280(0) ack 2101652976 win 5792 <mss
> >1460,sackOK,timestamp 71517784 1525634279,nop,wscale 2>
> >13:43:30.475486 IP login.54769 > torque.15001: . ack 1 win 183
> ><nop,nop,timestamp 1525634279 71517784>
> >13:43:30.519458 IP login.54769 > torque.15001: F 1:1(0) ack 1 win 183
> ><nop,nop,timestamp 1525634323 71517784>
> >13:43:30.519494 IP torque.15001 > login.54769: F 1:1(0) ack 2 win 1448
> ><nop,nop,timestamp 71517828 1525634323>
> >13:43:30.519609 IP login.54769 > torque.15001: . ack 2 win 183
> ><nop,nop,timestamp 1525634323 71517828>
> >_______________________________________________
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> >torqueusers at supercluster.org
> >http://www.supercluster.org/mailman/listinfo/torqueusers
> >
>


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