rsh typically uses ports in the 513-1023 range. With a 640 node cluster
we are running out of ports. This leads to messages such as:
"rcmd: socket: All ports in use"
Are there any standard solutions to this other than 'use ssh'? We already
have net.ipv4.tcp_tw_recycle = 1 in /etc/sysctl.conf
Cheers,
Bruce
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