Service linked to hostgroup / notifications

[David Fontaine]

NTP is configured for every server, except for some virtual machines
synchronizing their clocks with the host on which they are running.

It happened once or twice that the clock got desynchronized, even using NTP
so I just want to make sure everything is in sync by monitoring the servers
with nagios.

On Thu, Feb 26, 2009 at 7:48 PM, Lee Azzarello <lee at dropio.com> wrote:

> On Thu, Feb 26, 2009 at 1:17 PM, David Fontaine <dav.fontaine at gmail.com>
> wrote:
> > Hello,
> >
> > I am monitoring a few dozen of servers and I'm really satisfied with
> nagios.
> > This is a great tool.
> >
> > However, there's one (actually more than one) thing that I can't figure
> out
> > :
> >
> > I define a service :
> >
> > define service{
> >         use                     generic-service
> >         hostgroup_name          linux-servers
> >         service_description     Time
> >         check_command           check_time!public
> >         }
> >
> > This service applies to a host group so that I don't have to define the
> > service for each server. The command doesn't matter but for completeness
> > here's what it does : it compares the time on a remote server (snmp) to
> the
> > local time and report the difference.
>
> Going out on a limb here...have you considered using the Network Time
> Protocol to keep all your host's clocks in sync with an Internet scale
> network of federated time servers available to you for free?
>
> I'm using NTP on a network of 40 hosts and I never have worried about
> their clocks getting out of sync.
>
> -lee
>
>
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