Error: Could not read host and service status information

Marc Powell marc at ena.com
Thu Aug 25 19:23:09 CEST 2005
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Those look reasonable. Was apache restarted _after_ it was added to the
nagios group? If so, I'd start looking at the mysql end of things. Is it
possible that the version of mysql libraries nagios was compiled against
is different than the mysql server itself? When you start nagios, can
you perform selects on the tables in the database using the same
authentication as nagios and see the data?

--
Marc 

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of James R. Marcus
> Sent: Thursday, August 25, 2005 8:58 AM
> To: nagios-users at lists.sourceforge.net
> Subject: RE: [Nagios-users] Error: Could not read host and service
status
> information
> 
> Gladly:
> 
> ncheck / # grep nagios /etc/group
> apache:x:81:nagios,monarch
> nagios:x:407:monarch,apache
> 
> 
> ncheck / # ls -al /etc/nagios/
> total 104
> drwxrwx---   2 nagios nagios 4096 Aug 24 08:09 .
> drwxr-xr-x  51 root   root   4096 Aug 24 18:24 ..
> -rw-r--r--   1 nagios nagios    0 Aug 16 17:28 .keep
> -rwxrwxr-x   1 nagios nagios 1887 Aug 24 17:03 cgi.cfg
> -rwxrwxr-x   1 nagios nagios 2690 Aug 24 17:03 checkcommands.cfg
> -rwxrwxr-x   1 nagios nagios 1381 Aug 24 17:03 contact_templates.cfg
> -rwxrwxr-x   1 nagios nagios  956 Aug 24 17:03 contactgroups.cfg
> -rwxrwxr-x   1 nagios nagios 1243 Aug 24 17:03 contacts.cfg
> -rwxrwxr-x   1 nagios nagios 1663 Aug 10 01:28 dependencies.cfg
> -rwxrwxr-x   1 nagios nagios  748 Aug 24 17:03
escalation_templates.cfg
> -rwxrwxr-x   1 nagios nagios  330 Aug 24 17:03 escalations.cfg
> -rwxrwxr-x   1 nagios nagios 1265 Aug 24 17:03 host_templates.cfg
> -rwxrwxr-x   1 nagios nagios  854 Aug 24 17:03 hostgroups.cfg
> -rwxrwxr-x   1 nagios nagios  687 Aug 24 17:03 hosts.cfg
> -rw-r--r--   1 root   root     15 Aug 18 18:20 htpasswd.group
> -rw-r--r--   1 root   root     21 Aug 18 18:18 htpasswd.users
> -rwxrwxr-x   1 nagios nagios 2418 Aug 24 17:03 misccommands.cfg
> -rwxrwxr-x   1 nagios nagios 4192 Aug 24 17:03 nagios.cfg
> -rwxrwxr-x   1 nagios nagios 3501 Aug 16 17:29 nrpe.cfg
> -rwxrwxr-x   1 nagios nagios 4960 Aug 18 18:09 nsca.cfg
> -rwxrwxr-x   1 nagios nagios 2981 Aug 10 14:10 resource.cfg
> -rwxrwxr-x   1 nagios nagios 1628 Aug 16 17:24 send_nsca.cfg
> -rwxrwxr-x   1 nagios nagios 4022 Aug 24 17:03 service_templates.cfg
> -rwxrwxr-x   1 nagios nagios  741 Aug 24 17:03 services.cfg
> -rwxrwxr-x   1 nagios nagios 1459 Aug 24 17:03 timeperiods.cfg
> 
> ncheck / # ls -l /var/nagios/
> total 20
> drwxr-xr-x  2 nagios nagios 4096 Aug 25 00:00 archives
> -rw-r--r--  1 root   apache    5 Aug 24 17:03 nagios.lock
> -rw-r--r--  1 nagios nagios   33 Aug 25 00:00 nagios.log
> -rw-r--r--  1 root   root      2 Aug 25 09:54 nagios_seek.tmp
> drwxr-xr-x  2 nagios apache 4096 Aug 16 17:28 rw
> -rw-r--r--  1 nagios nagios    0 Aug 24 17:03 status.sav
> 
> ncheck / # grep -i not /var/nagios/nagios.log
> ncheck / #
> 
> Apache2:
> 
> ###
> ### Nagios Stuff
> ###
> ScriptAlias /nagios/cgi-bin/ /usr/nagios/sbin/
>  Alias /nagios/ /usr/nagios/share
> <Directory "/usr/nagios/sbin">
>     AllowOverride AuthConfig
>     Options +ExecCGI
>     Order allow,deny
>     Allow from all
> </Directory>
> 
> <Directory "/usr/nagios/share">
>     Options None
>     AllowOverride AuthConfig
>     Order allow,deny
>     Allow from all
> </Directory>
> 
> Thanks,
> James
> 
> 
> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Marc
> Powell
> Sent: Thursday, August 25, 2005 12:03 AM
> To: nagios-users at lists.sourceforge.net
> Subject: RE: [Nagios-users] Error: Could not read host and service
> status information
> 
> Would you be willing to send ls -al's on ~nagios/etc and ~nagios/var
as
> well as the user/group that nagios and your web server run under? It
> does sound like it might be a permissions issue and another set of
eyes
> can't hurt. Additionally, do you see and 'could not update' errors in
> nagios.log?
> 
> --
> Marc
> 
> > -----Original Message-----
> > From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> > admin at lists.sourceforge.net] On Behalf Of James R. Marcus
> > Sent: Wednesday, August 24, 2005 9:18 PM
> > To: Lori Adams; nagios-users at lists.sourceforge.net
> > Subject: RE: [Nagios-users] Error: Could not read host and service
> status
> > information
> >
> > Hi,
> > Yes I have killed all the Nagios processes and restarted.  I don't
> have a
> > status.log, I have nagios.log, it was my understanding that when you
> use
> > mySQL and Nagios the status.log isn't written.  I have run nagios -v
> and
> > although I have had warnings, which I corrected,  nothing has really
> > changed.  I have double checked permissions.
> >
> > The other interesting thing to note is that according the log, it
> looks
> > like it is doing the checks correctly.
> >
> > I guess it is back to the doc :-)
> >
> > James
> >
> > ________________________________
> >
> > From: Lori Adams [mailto:ladams at cloudmark.com]
> > Sent: Wed 8/24/2005 6:08 PM
> > To: James R. Marcus; nagios-users at lists.sourceforge.net
> > Subject: RE: [Nagios-users] Error: Could not read host and service
> status
> > information
> >
> >
> >
> > Have you tried killing off all nagios processes?  Make sure there
are
> no
> > more, and then restart your nagios.
> >
> >
> >
> > Below is the error I get if nagios is not running. I assume you got
> this
> > entire message too.  Follow all instructions when setting up your
> nagios.
> > More specifically make sure that you have a status.log (see
> nagios.cfg).
> >
> >
> >
> > Did you try all of these steps?  Definitely try
> /your/nagios/dir/nagios -v
> > to make sure there's no errors.
> >
> >
> >
> > Error: Could not read host and service status information!
> >
> >
> >
> > The most common cause of this error message (especially for new
> users), is
> > the fact that Nagios is not actually running. If Nagios is indeed
not
> > running, this is a normal error message. It simply indicates that
the
> CGIs
> > could not obtain the current status of hosts and services that are
> being
> > monitored. If you've just installed things, make sure you read the
> > documentation on starting Nagios.
> >
> >
> >
> > Some other things you should check in order to resolve this error
> include:
> >
> >
> >
> >             1. Check the Nagios log file for messages relating to
> startup
> > or status data errors.
> >
> >             2. Always verify configuration options using the -v
> command-
> > line option before starting or restarting Nagios!
> >
> > 3. Make sure you've compiled the main program and the CGIs to use
the
> same
> > status data storage options (i.e. text file or database). If the
main
> > program is storing status data in a text file and the CGIs are
trying
> to
> > read status data from a database, you'll have problems.
> >
> >
> >
> > Make sure you read the documentation on installing, configuring and
> > running Nagios thoroughly before continuing. If all else fails, try
> > sending a message to one of the mailing lists. More information can
be
> > found at http://www.nagios.org <http://www.nagios.org/> .
> >
> >
> >
> > -Lori
> >
> >
> >
> > -----Original Message-----
> > From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> > admin at lists.sourceforge.net] On Behalf Of James R. Marcus
> > Sent: Wednesday, August 24, 2005 12:39 PM
> > To: nagios-users at lists.sourceforge.net
> > Subject: [Nagios-users] Error: Could not read host and service
status
> > information
> >
> >
> >
> >
> >
> > I have been looking at old posts and the FAQ to find a solution to
> this
> >
> > issue:
> >
> >
> >
> > Error: Could not read host and service status information!
> >
> >
> >
> > All I get in my log file is:
> >
> > [1124913728] Warning: Contact group 'switch-admins' is not used in
any
> >
> > hostgroup/service definitions or host/hostgroup/service escalations!
> >
> > [1124913728] Warning: Contact group 'win-admins' is not used in any
> >
> > hostgroup/service definitions or host/hostgroup/service escalations!
> >
> > [1124913728] Finished daemonizing... (New PID=6184)
> >
> >
> >
> > I think I have done a pretty good job of reviewing permissions etc.
> >
> > There are no errors in the Apache2 logs.
> >
> >
> >
> > I'm running Gentoo, Nagios 1.2 and Monarch for configuration.
> >
> >
> >
> > Can anyone point me to a better way of troubleshooting this issue?
> >
> >
> >
> >
> >
> > Thanks,
> >
> > James
> >
> >
> >
> >
> >
> > -------------------------------------------------------
> >
> > SF.Net email is Sponsored by the Better Software Conference & EXPO
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> > September 19-22, 2005 * San Francisco, CA * Development Lifecycle
> > Practices
> >
> > Agile & Plan-Driven Development * Managing Projects & Teams *
Testing
> & QA
> >
> > Security * Process Improvement & Measurement *
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> >
> > _______________________________________________
> >
> > Nagios-users mailing list
> >
> > Nagios-users at lists.sourceforge.net
> >
> > 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
> >
> >
> >
> > -------------------------------------------------------
> > SF.Net email is Sponsored by the Better Software Conference & EXPO
> > September 19-22, 2005 * San Francisco, CA * Development Lifecycle
> > Practices
> > Agile & Plan-Driven Development * Managing Projects & Teams *
Testing
> & QA
> > Security * Process Improvement & Measurement *
> http://www.sqe.com/bsce5sf
> > _______________________________________________
> > Nagios-users mailing list
> > Nagios-users at lists.sourceforge.net
> > 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
> 
> 
> -------------------------------------------------------
> SF.Net email is Sponsored by the Better Software Conference & EXPO
> September 19-22, 2005 * San Francisco, CA * Development Lifecycle
> Practices
> Agile & Plan-Driven Development * Managing Projects & Teams * Testing
&
> QA
> Security * Process Improvement & Measurement *
> http://www.sqe.com/bsce5sf
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> 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
> 
> 
> -------------------------------------------------------
> SF.Net email is Sponsored by the Better Software Conference & EXPO
> September 19-22, 2005 * San Francisco, CA * Development Lifecycle
> Practices
> Agile & Plan-Driven Development * Managing Projects & Teams * Testing
& QA
> Security * Process Improvement & Measurement *
http://www.sqe.com/bsce5sf
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> 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


-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
Nagios-users mailing list
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
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