Checking stuff on remote hosts question
Jan Scholten
Jan.Scholten at iconz.net
Wed Nov 3 00:32:14 CET 2004
Install the plugins on the remote host: Download and compile or install a
rpm /deb package.
copying compiled veresions will only work on the same (incl. librarys)
systems/os
You can either use check_by_ssh, NRPE or NSCA to execute checks on remote
host.
NRPE is (in my opinion) an easy way
check_by_ssh i haven't tried that yet
NSCA is the way to go if you have a high load on the server or firewalls
that don't allow connections from the Nagios Server to the Remote host,
but from the Host to the Nagios Server.
it's a bit tricky (writing submit scripts) and you probably need a cronjob.
Jan
> Hello everyone.
>
> As i dive deeper and deeper into Nagios, I am finding that there are
> more and more things that i want to do. With that comes a few questions
> and problems that i have run into.
>
> Right now, i am running nagios 1.2 on a Fedora Core 2 box.
> One thing I am trying to get working is the ability to check the load
> average on a remote host.
>
> The host I am trying to contact is a Red Hat 8.0.
>
> i have gone ahead and setup SSH-KEYS for the user nagios (setup nagios
> on the remote host).
>
> I have been able to key passwordless SSH working for the user nagios.
> WHich is good. I can even try the plugin from the commandline, using the
> user nagios and it works correctly.
>
> However, here is my problem. On the web interface, I see this error on
> the remote host when it is checking for the load average:
>
> bash: line 1: /usr/lib/nagios/plugins/check_load: No such file or
> directory
>
> That tells me that the remote host is trying to execute that command on
> itself, correct? If not, im missing something.
>
> My question here is I am missing something, or I have misread something
> and now I am confused.
>
> If I am trying to check the load average on a few remote machines,
> besides setting up the nagios server, what else needs to be done on the
> remote hosts? This seems to be my pitfall at this point.
>
> I appreciate the help.
>
> Jason
>
>
>
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>
--
Jan Scholten
Research and Development Intern
Iconz.co.nz
-------------------------------------------------------
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