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Top Forums UNIX for Advanced & Expert Users ssh error: Error reading response length from authentication socket Post 302365572 by cpp6f on Tuesday 27th of October 2009 12:47:51 PM
Old 10-27-2009
ssh error: Error reading response length from authentication socket

Hi - I am getting the error
`Error reading response length from authentication socket'
when I ssh from my cluster to another cluster, and then back to my cluster. It doesn't seem to affect anything, but it's just annoying that it always pops up and tends to confuse new users of the cluster. I don't want to just redirect stderr to /dev/null in the scripts that do this in case another error pops up that I need to know about. If it makes any difference, I am connecting to the remote cluster through a multiplexed ssh connection from my cluster. Thanks!

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IPCLUSTER(1)															      IPCLUSTER(1)

ipcluster - IPython parallel computing cluster control tool SYNOPSIS
ipcluster {piexec,local,mpirun,pbs,ssh} [options] DESCRIPTION
ipcluster is a control tool for IPython's parallel computing functions. IPython cluster startup. This starts a controller and engines using various approaches. Use the IPYTHONDIR environment variable to change your IPython directory from the default of .ipython or _ipython. The log and security subdirectories of your IPython directory will be used by this script for log files and security files. POSITIONAL ARGUMENTS
The first positional argument should be one of: {mpiexec, local, mpirun, pbs, ssh}, which are the available cluster types. For detailed help on each, type "ipcluster TYPE --help". Briefly: local run a local cluster mpirun run a cluster using mpirun (mpiexec also works) mpiexec run a cluster using mpiexec (mpirun also works) pbs run a pbs cluster ssh run a cluster using ssh, should have ssh-keys setup OPTIONS
-h, --help show help message and exit EXAMPLE
ipcluster local -n 4 This command will start 4 IPython engines on the local computer. SEE ALSO
ipython(1),ipcontroller(1),ipengine(1) AUTHOR
ipcluster is a tool that ships with IPython, created by the IPython Development Team. This manual page was written by Stephan Peijnik <debian@sp.or.at>, for the Debian project (but may be used by others). Modified by Fer- nando Perez <Fernando.Perez@berkeley.edu> for inclusion in IPython. October 28, 2008 IPCLUSTER(1)

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