[Beowulf] password-less "rsh"

John Hearns john.hearns at streamline-computing.com
Sat Jul 30 01:06:31 PDT 2005

On Sat, 2005-07-30 at 00:34 +0100, Pete Nevill wrote:
> I am trying to put a cluster together but seem to have fallen at the
> first hurdle. A key part of the cluster set up is for the master node to
> be able to communicate and run processes on the slave nodes. One way I
> have seen to do this is to use the "rsh" command. Unfortunately I am
> unable to get this to work in a "password-less" way, actually cannot
> connect one node to the other using "rsh" without getting a connection
> refused or unable to authenticate 
> "Trying krb4 rlogin...
> krb_sendauth failed: You have no tickets cached"
Peter, as Martin Siegert says you seem to be using the kerberised
version of rsh, which I think is the default in Fedora.

Checking on my Fedora 3 laptop, yes:  /usr/kerberos/bin/rsh
You want to use /usr/bin/rsh 
Take the /usr/kerberos/bin out of your PATH

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