nagios check-host-alive always down

[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 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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