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

Daniel Carvalho daniel at dep.fem.unicamp.br
Thu Mar 2 18:23:50 CET 2006


When I run as nagios user, everything works fine. And I have only one copy
of nagios when I ran ps command. I stoped and restart nagios and only one
service appeared.

Thanks

Daniel

On 3/2/06, Marc Powell <marc at ena.com> wrote:
>
> And that's even more unexpected. If you ran the test as the nagios user
> then you did exactly what nagios is doing. Do you have multiple copies
> of nagios running? Stop nagios, use ps to verify that all are dead and
> restart nagios.
>
> --
> Marc
>
> > -----Original Message-----
> > From: dlcarvalho at gmail.com [mailto:dlcarvalho at gmail.com] On Behalf Of
> > Daniel Carvalho
> > Sent: Thursday, March 02, 2006 10:32 AM
> > To: Marc Powell
> > Cc: nagios-users at lists.sourceforge.net
> > Subject: Re: [Nagios-users] nagios check-host-alive always down
> {Disarmed}
> > {Fraud?} {Disarmed} {Fraud?}
> >
> > 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- <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 <mailto: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
> > <mailto: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 <http://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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> >       >       ::: Please include Nagios version, plugin version (-v)
> and
> > OS
> >       when
> >       > reporting any issue.
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> sent to
> >       > /dev/null
> >       >
> >       >
> >
> >
> >
> >       -------------------------------------------------------
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> >
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> >       https://lists.sourceforge.net/lists/listinfo/nagios-users
> > <https://lists.sourceforge.net/lists/listinfo/nagios-users>
> >       ::: Please include Nagios version, plugin version (-v) and OS
> when
> > reporting any issue.
> >       ::: Messages without supporting info will risk being sent to
> > /dev/null
> >
> >
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting
> language
> that extends applications into web and mobile media. Attend the live
> webcast
> and join the prime developer group breaking into this new coding
> territory!
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> _______________________________________________
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> ::: Please include Nagios version, plugin version (-v) and OS when
> reporting any issue.
> ::: Messages without supporting info will risk being sent to /dev/null
>
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