I am using Monit to monitor and restart if necessary some Flexlm licensing
servers.
I am checking if port 1999 is open on a remote server, and restarting f
necessary.
The snippet is:
check host license3 with address 1.2.3.4
start program = "/usr/bin/ssh license3 /sbin/service flexlm start" with
timeout 20 seconds
stop program = "/usr/bin/ssh license3 /sbin/service license stop" with
timeout 20 seconds
if failed port 1999 type tcp with timeout 5 seconds then restart
If I stop the license server Monit will detect this, and I can see that the
stop then start command is run.
The frustrating thing is that the Flexlm server immediately dies.
I can start the license server OK when running that ssh command fromt he
command line.
If I install monit locally on the license server license3 and use
start program = "/sbin/service flexlm start"
I get the same thing, ie the command line works, but when Monit runs the
command it does not.
Am I barking up a wrong tree here - does Monit always require a PID for a
process, even though all I want to do is monitor a port?
Dr John Hearns | McLaren Racing Limited
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