check_external_commands option

[Marc Powell]

Does the /usr/local/nagios/var/rw directory exist and have permissions
such that nagios (and also your web server) can write to it? I do not
believe that directory is created by the nagios install as it's just a
suggested location so you would need to create it yourself.

http://nagios.sourceforge.net/docs/1_0/commandfile.html might be useful.

--
Marc

> -----Original Message-----
> From: Sxan [mailto:sxanrr at yahoo.com]
> Sent: Monday, July 11, 2005 9:41 AM
> To: Sxan; Marc Powell; nagios-users at lists.sourceforge.net
> Subject: RE: [Nagios-users] check_external_commands option
> 
> 
> 
> Update:
> 
> I apologize, but I must have just missed seeing it in the log file.
You
> are correct about the
> error with Nagios and the nagios.cmd file. Here is the error in the
log...
> 
> [1121088502] Error: Could not create external command file
> '/usr/local/nagios/var/rw/nagios.cmd' as named pipe: (2) -> No suc
> h file or directory.  If this file already exists and you are sure
that
> another copy of Nagios is not running, you should del
> ete this file.
> [1121088502] Bailing out due to errors encountered while trying to
open
> the external command file for reading... (PID=3627)
> 
> So is this a common error with an easy fix? I'm going to be googling
for
> the resolution and checking the faq's, but any replies would still be
> appreciated. Thanks!
> 
> Sxan <sxanrr at yahoo.com> wrote:
> 
> 
> 
> 	Thanks for the reply, as far as what you suggested, I checked
the
> log and
> 	there are no errors in there that are outside the scope of the
> normal notifications
> 	that Nagios gives. Does using the external commands require that
it
> be configured
> 	in more places than just the nagios.cfg? I'm guessing that maybe
I'm
> missing
> 	some other variable that the external command checking depends
on or
> something.
> 	Thanks again for the reply and help.
> 
> 	Marc Powell <marc at ena.com> wrote:
> 
> 
> 
> 		> -----Original Message-----
> 		> From: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-
> 		> admin at lists.sourceforge.net] On Behalf Of Sxan
> 		> Sent: Friday, July 08, 2005 9:36 AM
> 		> To: nagios-users at lists.sourceforge.net
> 		> Subject: [Nagios-users] check_external_commands option
> 		>
> 		>
> 		> Hey all,
> 		>
> 		> I have a question regarding the
check_external_commands
> option in the
> 		> nagios.cfg
> 		> file. Basically, I tried to schedule some downtime,
saw that
> I needed
> 		to
> 		> have that
> 		> option enabled, so I went into the nagios.cfg file and
> changed the 0
> 		to a
> 		> 1 for that line
> 		> like it is below:
> 		>
> 		> check_external_commands=1
> 		>
> 		> I saved the .cfg and now when I try and restart
nagios, it
> won't
> 		start. I
> 		> just get:
> 		>
> 		> honda:/usr/local/nagios/etc # sh /etc/init.d/nagios
restart
> 		> Running configuration check...done
> 		> Stopping network monitor: nagios
> 		> Starting network monitor: nagios
> 		> PID TTY TIME CMD
> 		> honda:/usr/local/nagios/etc #
> 		>
> 		> If I run the following
> 		> ..../nagios/etc/../bin/nagios -v nagios.cfg Everything
> checks out ok
> 		with
> 		> just a couple warnings
> 		> that have been there before. Am I missing something
else I
> should be
> 		> doing? Like perhaps
> 		> specifying somewhere in the configs who has the right
to run
> external
> 		> commands? Thanks.
> 
> 		Did you check nagios.log? Chances are that nagios isn't
able
> to actually
> 		create the command pipe (nagios.cmd) in the path
specified by
> 		command_file in nagios.cfg.
> 
> 		--
> 		Marc
> 
> 
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