[GE users] qrsh with ssh on 6.0u3

Reuti reuti at staff.uni-marburg.de
Tue Apr 12 00:28:01 BST 2005


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Hi Liming,

I saw you post already some hrs ago, but I have no direct clue what could be 
the reason.

- Is there anything in the SGE messages files?

- Is there a firewall on the login/node machine, blocking any unusual port?

- With rsh it was working?

- The problem is always there, or only from time to time on some machines?

Cheers - Reuti


Quoting Tsai Li Ming <mailinglist at ltsai.com>:

> Yes, it is also working :)
> 
> [root at wrx root]# ssh compute-0-1.local
> Last login: Fri Apr  8 19:28:15 2005 from wrx.local
> [root at compute-0-1 root]# hostname
> compute-0-1.local
> 
> Liming
> 
> Reuti wrote:
> > This is also a non-interactive session (and this seems working according to
> 
> > your SGE output). Is this also possible:
> > 
> > ssh compute-0-1.local
> > 
> > CU - Reuti
> > 
> > 
> > Quoting Tsai Li Ming <mailinglist at ltsai.com>:
> > 
> > 
> >>There's no entries in the /etc/hosts.{allow,deny}. Passwordless login is
> >>ok.
> >>
> >>[root at wrx root]# ssh compute-0-1.local hostname
> >>compute-0-1.local
> >>
> >>Liming
> >>
> >>Reuti wrote:
> >>
> >>>Hi,
> >>>
> >>>a ssh from the command line between all nodes is possible, i.e. not
> >>
> >>prevented 
> >>
> >>>by any entry in /etc/hosts.{allow,deny}? The
> /home/<user>/.ssh/known_hosts
> >>
> >>is 
> >>
> >>>setup to allow passwordless login?
> >>>
> >>>Cheers - Reuti
> >>>
> >>>Quoting Tsai Li Ming <mailinglist at ltsai.com>:
> >>>
> >>>
> >>>
> >>>>Dear all,
> >>>>
> >>>>Does anyone had any problem running qrsh with ssh on SGE 6.0u3?
> >>>># qconf -sconf
> >>>>rlogin_daemon                /usr/sbin/sshd -i
> >>>>rlogin_command               /usr/bin/ssh -t
> >>>>rsh_daemon                   /usr/sbin/sshd -i
> >>>>rsh_command                  /usr/bin/ssh -t
> >>>>
> >>>>This is on a EM64T machine using prebuilt binaries:
> >>>>[root at wrx common]# qrsh hostname
> >>>>compute-0-1.local
> >>>>Connection to compute-0-1.local closed.
> >>>>
> >>>>[root at wrx common]# qrsh -verbose
> >>>>waiting for interactive job to be scheduled ...
> >>>>Your interactive job 8 has been successfully scheduled.
> >>>>Establishing /usr/bin/ssh -t session to host compute-0-1.local ...
> >>>>ssh_exchange_identification: Connection closed by remote host
> >>>>/usr/bin/ssh -t exited with exit code 255
> >>>>
> >>>>with the verbose flag in ssh:
> >>>>[root at wrx common]# qrsh -verbose
> >>>>waiting for interactive job to be scheduled ...
> >>>>Your interactive job 9 has been successfully scheduled.
> >>>>Establishing /usr/bin/ssh -t -v session to host compute-0-1.local ...
> >>>>OpenSSH_3.6.1p2, SSH protocols 1.5/2.0, OpenSSL 0x0090701f
> >>>>debug1: Reading configuration data /etc/ssh/ssh_config
> >>>>debug1: Applying options for *
> >>>>debug1: /etc/ssh/ssh_config line 7: Deprecated option "FallBackToRsh"
> >>>>debug1: Rhosts Authentication disabled, originating port will not be 
> >>>>trusted.
> >>>>debug1: Connecting to compute-0-1.local [10.255.255.253] port 45289.
> >>>>debug1: Connection established.
> >>>>debug1: identity file /root/.ssh/identity type -1
> >>>>debug1: identity file /root/.ssh/id_rsa type 1
> >>>>debug1: identity file /root/.ssh/id_dsa type -1
> >>>>ssh_exchange_identification: Connection closed by remote host
> >>>>debug1: Calling cleanup 0x41a5e0(0x0)
> >>>>/usr/bin/ssh -t -v exited with exit code 255
> >>>>
> >>>>Many thanks,
> >>>>Liming
> >>>>
> >>>>
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> >>>
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> >>
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> > 
> > 
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