[Nagiosplug-help] newbie - hosts are down

[Mott Leroy]

Well, got it working, by issueing the command "chmod a+s /bin/ping". So 
that's good news. Bastille was on the server and I guess had set the 
setuid bit the other way.

Mott Leroy wrote:
> Sorry, first time post and am still in the process of learning a bit.
> 
> I am running Nagios 2.0b3.
> Plugins version: 1.4.
> OS: redhat linux (fedora core 2)
> 
> Nagios is reporting that all my defined hosts are down. Not sure why 
> this is, since they are not in fact down.
> 
> I have about 8 hosts that are defined as "inherited" from a generic host.
> 
> The generic host is defined as:
> 
> define host{
>         name                 generic-host
>         notifications_enabled        1
>         event_handler_enabled           1
>         flap_detection_enabled          1
>         failure_prediction_enabled      1
>         process_perf_data               1
>         retain_status_information       1
>         retain_nonstatus_information    1
>         check_command                   check-host-alive
>         max_check_attempts              10
>         notification_interval           120
>         notification_period             24x7
>         notification_options            d,u,r
>         contact_groups                  admins
>         register                        0
>         }
> 
> # "real" hosts defined as:
> 
> define host{
>         use                     generic-host
>         host_name               lieb
>         alias                   lieb
>         address                 10.0.0.100
>         }
> 
> And that's about it.
> 
> One thing I noticed is that the command listed on the nagios admin under 
> "Status Information":
> 
> /bin/ping -n -U -w 10 -c 1 10.0.0.104
> 
> Works fine on the command line as "root":
> 
> [root at haven:~] $ /bin/ping -n -U -w 10 -c 1 10.0.0.104
> PING 10.0.0.104 (10.0.0.104) 56(84) bytes of data.
> 64 bytes from 10.0.0.104: icmp_seq=0 ttl=64 time=0.236 ms
> 
> --- 10.0.0.104 ping statistics ---
> 1 packets transmitted, 1 received, 0% packet loss, time 0ms
> rtt min/avg/max/mdev = 0.236/0.236/0.236/0.000 ms, pipe 2
> [root at haven:~] $
> 
> Run as "nagios", however, it does not work:
> 
> [root at haven:~] $ su nagios
> [nagios at haven:/root] $ /bin/ping -n -U -w 10 -c 1 10.0.0.104
> ping: icmp open socket: Operation not permitted
> [nagios at haven:/root] $
> 
> 
> Is this the source of the problem?
> 
> Any help would be much appreciated. Thanks.
> 
> 
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