Antwort: RE: [Possible Spam] - Re: host down but up problem [Virus scanned]

[Andreas Ericsson]

Christopher Smith wrote:
> BTW, this is running as daemon (default SuSE user account for
> Nagios). Does this have anything to do with it?
> 

Only if there are some restrictions on the daemon account to execute 
setuid programs. SuSE does a lot of things in a paranoid manner, so that 
might be it. You also need to check that the disk the check_icmp plugin 
resides on is mounted without the nosuid option, using the 'mount' command.

> 
> 
> 
> 
> -----Original Message----- From:
> nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Sascha
> Runschke Sent: Friday, February 11, 2005 7:48 AM To:
> nagios-users at lists.sourceforge.net Subject: Antwort: RE: [Possible
> Spam] - Re: [Nagios-users] host down but up problem [Virus scanned]
> 
> Yes, set the permissions properly. Judging from your error message, I
> guess it isn't set suid root.
> 
> chown root check_icmp chmod 4755 check_icmp
> 
> regards sash
> 
> -------------------------------------------------- Sascha Runschke 
> Netzwerk Administration IT-Services
> 
> ABIT AG Robert-Bosch-Str. 1 40668 Meerbusch
> 
> Tel.:+49 (0) 2150.9153.226 mailto:SRunschke at abit.de
> 
> http://www.abit.net http://www.abit-epos.net 
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> 
> "Christopher Smith" <csmith at RadioFrameNetworks.com> Gesendet von:
> nagios-users-admin at lists.sourceforge.net 11.02.2005 16:18
> 
> 
> An:     "Andreas Ericsson" <ae at op5.se>,
> <nagios-users at lists.sourceforge.net> Kopie: Thema:  RE: [Possible
> Spam] - Re: [Nagios-users] host down but up problem [Virus scanned]
> 
> 
> Okay, so I am having this problem with the Check_Icmp plugin.
> 
> If I run the check_icmp as the default nagios user account, I receive
> a status information message in Nagios stating that 'Root access
> needed (for raw sockets)' is necessary. Yet, as stipulated by
> another's post, it runs as root, no problem. I have verified that the
> permissions (from Linux) are set correctly.
> 
> This is 1.4.x of the plugins running on SuSE 9.1 and Nagios 1.2.
> 
> How does one get around this?
> 
> 
> 
> 
> -----Original Message----- From:
> nagios-users-admin at lists.sourceforge.net 
> [mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of
> Andreas Ericsson Sent: Wednesday, February 09, 2005 7:38 AM To:
> nagios-users at lists.sourceforge.net Subject: [Possible Spam] - Re:
> [Nagios-users] host down but up problem
> 
> Serveur-Faucon Surveillance wrote:
> 
>> Hi all,
>> 
>> I have been using Nagios for quite a while now over 2 years, so I
>> am pretty familiar with it.
>> 
>> One of my host recently went to a down state on the network status,
>>  but is actually UP. This is not FAQ F0015 or F0016 related, since
>> the same command is used by all other hosts (and they are just
>> fine).
>> 
>> I use the check_host_alive default command to check on hosts status
>>  (yeah I know, I dont use the hip (new, cool) check_icmp from
>> Andreas Ericsson for now. Later)
>> 
> 
> 
> Don't know about hip and cool, but you're probably better off without
>  it. "Don't fix it if it ain't broken".
> 
> 
>> So I went to my console to try a couple of things... ping myhost =
>> ok!
> 
> 
>> check_ping -H myhost etc etc = ok! (exactly like the 
>> check_host_alive)
>> 
>> So... my next theory would be to erase everything from that host in
>>  the history, and start over. But before that, is there someone who
>>  actually had something like that?
>> 
>> There was the bug witch two nagios process could run at the same
>> time,
> 
> 
>> but that's not it. Thanks!
>> 
> 
> 
> This can happen properly when the host starts flapping while down and
>  comes out OK on the other end of the flapping. Assuming you aren't 
> running 2.0 with f among your notification_options, ofcourse.
> 

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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