Antwort: Please define "defined" in this context

[Howard Allison]

Whit Blauvelt <whit+nagios at transpect.com> wrote on 03.06.2009 15:13:59:

> Whit Blauvelt <whit+nagios at transpect.com>
> 03.06.2009 15:27
>
> An
>
> nagios-users at lists.sourceforge.net
>
> Kopie
>
> Thema
>
> [Nagios-users] Please define "defined" in this context
>
> Hi,
>
> Starting to set up Nagios, and puzzled at something that must be simple,
but
> the language is unclear.
>
> The example localhost.cfg has this section:
>
> define service{
>         use                             local-service         ; Name
> of service template to use
>         host_name                       localhost
>         service_description             HTTP
>         check_command                   check_http
>         notifications_enabled           0
>         }
>
> I've changed two things in it: First, I've switched all the host_name's
from
> "localhost" to the real hostname. Second, since the http instance on the
> system requires a login, I invoked ./check_http --help and learned:
>
>  -a, --authorization=AUTH_PAIR
>     Username:password on sites with basic authentication
>
> So now I have
>
> define service{
>         use                             local-service         ; Name
> of service template to use
>         host_name                       realhost
>         service_description             HTTP
>         check_command                   check_http --
> authorization=httpuser:pass
>         notifications_enabled           0
>         }
>
> But that doesn't work:
>
> # /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
> ...
> Error: Service check command 'check_http --
> authorization=httpuser:pass' specified in service 'HTTP' for host
> 'realhost' not defined anywhere!
>
> What does "defined" means in this context? What does "anywhere" mean? I'd
> say that the command is well-defined, in that check_http is a standard
> request, and it's being followed by one of the flags it defines in its
help.
> Plus, that overall action is being defined right in "localhost.cfg".
>
> In the context of Nagios "not defined" and "anywhere" must be terms of
> art, rather than common English. How can a beginner learn what they mean
in
> Nagios-speak? What's the "where" to put the "definition" to make this
simple
> http login request work?
>
> Regards,
> Whit
You need to define the check_http command - in your command definition
file....

Howard

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