Re: [Nagios-users] strange problem with check_dhcp

[Patrick M. <pat...@hp...>]

On Mon, 22 Sep 2008, Seth Simmons wrote:

> 
> Last week I moved Nagios to a new box and after a little tweaking got
> the old config files working.  The only thing that isn't working is
> check_dhcp.
> 
> Since I moved it check_dhcp has been returning unknown with the details
> as "this plug-in must be run as root or setuid root....could not bind
> socket to Ethernet interface eth0. Check your privileges..."
> 
> If I do the check manually as root it works; manually as Nagios returns
> that error.  I read a couple posts that say to do chmod u+s or chmod +s
> on check_dhcp.  When I do that I now get that same error both as Nagios
> and as root.  I did chmod 775 on it and it again works for root but same
> error for Nagios.  Also tried changing ownership from Nagios to root.
> All other plugins working fine.  Any ideas? Probably something stupid
> I'm missing.

When you did the chmod u+s, did you also change the owner to root?