Out of the blue, qrsh refuses to work. It will not allow me to connect to any
node, but ssh works fine from all nodes to all nodes. ???
[jjimene@med-login2 bin]$ qrsh -verbose
Your job 4909901 ("QRLOGIN") has been submitted
waiting for interactive job to be scheduled ...
Your interactive job 4909901 has been successfully scheduled.
Establishing /usr/bin/ssh -Y -A session to host med0241 ...
ssh_exchange_identification: read: Connection reset by peer
/usr/bin/ssh -Y -A exited with exit code 255
[jjimene@med-login2 bin]$ ssh med0241
Last login: Mon May 29 15:53:20 2017 from med-qmaster.mdc-berlin.net
What could be causing this? Again, the fact that qrsh does not make any effort
to tell me where the error is coming from is making debugging this harder than
necessary. How can I tell qrsh to pass -vvvv to the ssh call and give me access
to the resulting log?
Mfg,
Juan Jimenez
System Administrator, HPC
MDC Berlin / IT-Dept.
Tel.: +49 30 9406 2800
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