nagios check-host-alive always down {Disarmed} {Fraud?}

[Daniel Carvalho]

Marc,

The nagios users check_ping result is: PING OK - Packet loss = 0%, RTA =
0.07 ms

The SELinux is not enabled because I installed ganglia monitor too. And
there is no message like 'avc denied' in /var/log/message and the output of
command audit2allow is blank.

Thanks

Daniel

On 3/2/06, Marc Powell <marc at ena.com> wrote:
>
> Hmm. That's an unexpected result. The next step would be to go one level
> higher and execute nagios' check_ping as the nagios user --
>
> /path/to/nagios/libexec/check_ping -H 192.168.0.1 -w 3000.0,80% -c
> 5000.0,100% -p 1
>
> Do you have SELinux enabled? Have you modified the default policies? I'd
> look for 'avc denied' messages related to nagios in /var/log/messages
> just to be safe or, as root, run 'audit2allow -l -i /var/log/messages
> -v'.
>
> --
> Marc Powell
> > -----Original Message-----
> > From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> > admin at lists.sourceforge.net] On Behalf Of Daniel Carvalho
> > Sent: Thursday, March 02, 2006 10:00 AM
> > To: nagios-users at lists.sourceforge.net
> > Subject: Re: [Nagios-users] nagios check-host-alive always down
> {Disarmed}
> > {Fraud?}
> >
> > Hi Marc,
> >
> > The command /bin/ping -n -U -w 10 -c 1 192.168.0.1 is executable for
> user
> > nagios. I logged as nagios user and exec the command above and
> everythings
> > is OK.
> >
> > The nagios machine is running CentOS 4.0. I installed nagios via yum.
> >
> > Thanks
> >
> > Daniel
> >
> >
> > On 3/2/06, Marc Powell < marc at ena.com <mailto:marc at ena.com> > wrote:
> >
> >
> >
> >       > -----Original Message-----
> >       > From: nagios-users-admin at lists.sourceforge.net <mailto:nagios-
> > users-admin at lists.sourceforge.net>  [mailto:nagios-users-
> >       > admin at lists.sourceforge.net] On Behalf Of Daniel Carvalho
> >       > Sent: Thursday, March 02, 2006 6:11 AM
> >       > To: nagios-users at lists.sourceforge.net
> >       > Subject: Re: [Nagios-users] nagios check-host-alive always
> down
> >       {Disarmed}
> >       > {Fraud?}
> >       >
> >       > Hello Marc, thanks for your answer.
> >       >
> >       > I'm sorry to reply to you too late. Here in my country we were
> on
> >       holiday.
> >       >
> >       > The notification information is sent to an e-mail address that
> I
> >       > especified on contacts.cfg. The web interface is not installed
> > yet.
> >       >
> >       > Find attached some cfg files and the notification alert.
> >       >
> >       > Thanks and best regards
> >       >
> >       > ***** Nagios  *****
> >       >
> >       > Notification Type: PROBLEM
> >       > Host: bud01
> >       > State: DOWN
> >       > Address: 192.168.0.1
> >       > Info: /bin/ping -n -U -w 10 -c 1 192.168.0.1
> >
> >       It would appear that /bin/ping is not executable by the nagios
> user.
> > Try
> >       running the command in the Info as the nagios user. In some
> >       distributions, ping is only executable by root. You can modify
> that
> > by
> >       giving /bin/ping suid permissions if it doesn't have them
> already --
> >
> >       # ls -al /bin/ping
> >       -rwxr-xr-x    1 root     root        27860 Sep 29 13:28
> /bin/ping
> >
> >       # chmod u+s /bin/ping
> >
> >       # ls -al /bin/ping
> >       -rwsr-xr-x    1 root     root        27860 Sep 29 13:28
> /bin/ping
> >
> >       --
> >       Marc
> >
> >
> >       -------------------------------------------------------
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> >
> >
>
>
>
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