Checking for VNC(or arbitrary TCP service)

[D.S.]

Ahhhh!  So it references chkcommand.cfg file.. That explains it and now
I know where to look for other check commands.  Thanks a lot :)

Balestra, Roberto wrote:

>Hi David,
>check_tcp command is defined as
> $USER1$/check_tcp -H $HOSTADDRESS$ -p $ARG1$
>in chkcommand.cfg file.
>
>In your service definition for your server 1.1.1.1, you have set "check_command" parameter to 
>   check_tcp!5900
>
>Nagios gets $HOSTADDRESS$ from your configuration files (hosts.cfg), and matches $ARG1$ with 5900.
>Every ! is a separator for argument to pass to command.
>
>So you have:
>hosts.cfg
>define host{
>  use ...
>  host_name   yourhost
>  address     1.1.1.1
>  alias       ....
>  ....
>}
>
>chkcommand.cfg
>define command{
>  command_name	check_tcp
>  command_line    $USER1$/check_tcp -H $HOSTADDRESS$ -p $ARG1$
>}
>
>services.cfg
>define service{
>  use ...
>  host_name            yourhost
>  servicedescription   Check VNC (if you like it)
>  check_command        check_tcp!5900
>  ....
>}
>bye
>	Roberto
>
>  
>
>>-----Original Message-----
>>From: nagios-users-admin at lists.sourceforge.net
>>[mailto:nagios-users-admin at lists.sourceforge.net]On Behalf Of D.S.
>>Sent: mercoledì 18 maggio 2005 17.58
>>To: nagios-users at lists.sourceforge.net
>>Subject: [Nagios-users] Checking for VNC(or arbitrary TCP service)
>>
>>
>>Hello I'm new to nagios, but thanks to some help from the list, and a
>>lot of reading I've got it up and running and monitoring the first few
>>services!!  I'm interested in montoring a VNC process which 
>>will require
>>a TCP connection to port 5900...
>>
>>./check_tcp -h
>>
>>Doesn't seem to give me the format that I expect to use in 
>>services.cfg
>>(check_tcp!whatever!stuff).. How would I go about monitoring port 5900
>>on host 1.1.1.1 ? 
>>
>>I tried looking for services.cfg examples of something akin 
>>to this but
>>I just don't see how the !! syntax translates into the " check_tcp -H
>>host -p port " type of syntax -h gives.  What are the !'s anyway?
>>
>>Any help would be appreciated.
>>
>>--David
>>
>>
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>
>
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::: Messages without supporting info will risk being sent to /dev/null