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Re: Monit does not start flxlm

From: Martin Pala
Subject: Re: Monit does not start flxlm
Date: Tue, 3 Sep 2013 19:06:15 +0200


monit runs the start/stop programs in a sandbox and strips all environment 
variables (for security reasons) - it sets only the spartan path: 

If your script depends on some environment variable, it may fail when executed 
by monit. You can log the script output by wrapping it like this:

        start program = "/bin/bash -c '/sbin/service flexlm start >> 
/tmp/flexlm_start.log 2>&1'"

You can also pass the variables in the bash command or create some wrapper 
which will set the variables and call start.


On Sep 3, 2013, at 6:58 PM, "Hearns, John" <address@hidden> wrote:

> 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
> 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
> McLaren Technology Centre, Chertsey Road, Woking, Surrey GU21 4YH, UK
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