Messages in this thread | | | Date | Sat, 28 Aug 1999 14:41:25 +0000 | From | "Andrew Morton" <> | Subject | Re: rsh problem (update) |
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Kamran Karimi wrote: > > The problem exists in remote executions too. > > A simple script containing: > > rsh 10.0.0.1 ls > rsh 10.0.0.1 ls > rsh 10.0.0.1 ls > > ceases to work after 10 or 12 invocations. The error message is still > "poll: protocol failure in circuit setup" > > This seems to be happening faster when the rshs are run concurrently by > using & to start them.
This is caused by inetd. The service is being invoked so frequently that it's tripping inetd's broken-server-detector. inetd drops a message in /var/log/messages:
Aug 28 23:54:46 bix inetd[319]: shell/tcp server failing (looping), service terminated
and shuts down the service.
You can restart the service by sending inetd a SIGHUP. You can increase inetd's threshold for this service in /etc/inetd.conf:
shell stream tcp nowait.1000 root /usr/sbin/tcpd in.rshd
^^^^
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