[torqueusers] qstat via ssh port forwarding

Rajiv Chittajallu rajive at ieee.org
Thu Oct 25 12:58:54 MDT 2007

Its not going to to work cause pbs_iff on  _localhost_ should talk to the
torque too. 
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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