Notification issues

Michael Medin mime at forumsql.se
Wed Feb 16 13:27:41 CET 2005


Hi,

I tried this but it needed to be run as root so should I a+s and chown
the file to root or is there some better (as in more secure) way to
handle it ?
Root suid sounds dangerous to me...

// Michael Medin


> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] On
> Behalf Of Andreas Ericsson
> Sent: den 16 februari 2005 11:09
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] Notification issues
> 
> Wilmot, Doug wrote:
> > Hello,
> >
> >
> >
> >             My company is currently running Nagios
> 1.2 and we seem to be
> > having some notification problems. One of the most
> frequent problems is a
> > host down alert "plug-in timed out after 10 seconds".
> Then Nagios sends an
> > email alert which is becoming very redundant and
> making us almost "immune"
> > to these alerts. Meanwhile, we have a second build of
> Nagios version 2.x
> > running on a separate node which we are "building
> from scratch".
> >
> >  Our goal is to have an alert sent to our helpdesk
> app (via email) to open a
> > ticket if a host is down for 5 or more minutes, then
> another when the host
> > is back up. We are currently using check_ping for
> monitoring but I have
> > heard some people use check_icmp. Which one would be
> better for us and what
> > are the differences?
> 
> check_icmp implements a more clever scheduling
> algorithm and sends
> packets at a faster rate (and thus completes faster
> which doesn't hold
> up Nagios for so long). Since it doesn't use a backend
> program and parse
> output it can usually also detect what is causing the
> packets to be lost
> and, more importantly, WHERE they are lost, as such;
> ./check_icmp -H 193.201.96.144
> CRITICAL - 193.201.96.144: Time to live exceeded in
> transit @
> 213.88.215.13. rta nan, lost 100%
> 
> In this case, 213.88.215.13 is the failing router.
> 
> A cautionary note though; One user has reported
> check_icmp to fail from
> a NetBSD hosted Nagios. I'm fairly certain this is a
> network issue that
> has nothing to do with check_icmp.
> 
> >  Should we be using escalations to achieve this 5
> > minute delay? We have tried the rtfm approach and
> quite frankly I feel like
> > I am spinning wheels here. Any help is greatly
> appreciated.
> >
> 
> Escalations would be the proper way to go, yes.
> 
> --
> Andreas Ericsson
> andreas.ericsson at op5.se
> OP5 AB                             www.op5.se
> Lead Developer
> 
> 
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