Re: [Nagios-users] Nagios and SELinx
On 13/03/13 10:18, Andreas Ericsson wrote: On 03/13/2013 12:01 AM, Stephen H. Dawson wrote: Can Nagios run under SELinux? Yes it can, but the requirements to do so are close to permissive, since there's a plethora of programs (plugins) that run under the Nagios umbrella. In order for it to be possible, Nagios needs permissions to: * create any number of outgoing network sockets * create incoming network sockets (as some plugins work by setting up a listener and then sending a request) * create raw sockets (for ping) * execute suid root programs (for ping) * create, modify and write files, pipes and sockets on the local fs * connect to local sockets (for local database checks) * fork() and run without a tty * probably a bunch of other things It's quite a daunting task to get everything right with regards to selinux, which is why I guess noone's done it yet. We run Nagios under SELinux. It took a bit of tweaking, but now it works reliably. Put your Nagios server and monitored clients into Permissive mode, run all the plugins that you need, and capture the log output from /var/log/audit/audit.log. Simply pass the relevant lines from audit.log through the audit2allow tool, which will generate the relevant SELinux policy. It might take several iterations of this to capture all possible violations of SELinux policy but once you've caught them all you can easily generate policy files for Nagios, NRPE, NSCA and other plugins which can then be deployed and installed on all your machines. The end result is a fairly permissive SELinux policy *for Nagios* but still far better than not having SELinux at all. Cheers, Jonathan -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Defining passive checks
Hi Mohamed,
Thanks for your response - this worked.
Have a nice day,
Jonathan
On 16/08/12 08:08, mohamed ben romdhane wrote:
Hello Jonathan,
I think that you must put
define service {
service_descriptionOracle
host_name oddjob.resnet.bris.ac.uk
useresnet-service
max_check_attempts1
check_freshness 1
freshness_threshold 86400
check_command check_dummy!1 no news since 24h
}
= The check_dummy command will run if no passive check has been
received within 24 hours (86400seconds) and display warnig alert (1)
and info status no news since 24h
Regards,
Mohamed
*De :* Jonathan Gazeley jonathan.gaze...@bristol.ac.uk
*À :* nagios-users@lists.sourceforge.net
*Envoyé le :* Mercredi 15 août 2012 15h07
*Objet :* [Nagios-users] Defining passive checks
I'm a long-time user of Nagios with active checks. Today I started using
passive checks with NSCA and I'm having a problem.
The documentation states A service must be defined in Nagios before you
can submit passive check results for it.
I defined a config block like this, to define a service for the Oracle
service that I want to monitor passively - omitting the check_command
directive.
define service {
service_descriptionOracle
host_name oddjob.resnet.bris.ac.uk
useresnet-service
}
But running nagios -v gives this output:
Error: Service description, host name, or check command is NULL
Error: Could not register service (config file
'/etc/nagios/nagios_service.cfg', starting on line 8618)
Error processing object config files!
So what's the approved way of defining a service without specifying a
command for active checks?
Thanks,
Jonathan
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[Nagios-users] Defining passive checks
I'm a long-time user of Nagios with active checks. Today I started using
passive checks with NSCA and I'm having a problem.
The documentation states A service must be defined in Nagios before you
can submit passive check results for it.
I defined a config block like this, to define a service for the Oracle
service that I want to monitor passively - omitting the check_command
directive.
define service {
service_descriptionOracle
host_name oddjob.resnet.bris.ac.uk
useresnet-service
}
But running nagios -v gives this output:
Error: Service description, host name, or check command is NULL
Error: Could not register service (config file
'/etc/nagios/nagios_service.cfg', starting on line 8618)
Error processing object config files!
So what's the approved way of defining a service without specifying a
command for active checks?
Thanks,
Jonathan
--
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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Re: [Nagios-users] Nagios servicegroup dependencies
Thanks - BPI looks useful. Cheers, Jonathan On 25/07/12 15:44, Alex Griffin wrote: I don't think that this can be done with just Nagios dependencies. You could set up BPI to accomplish this though. Check it out here: http://exchange.nagios.org/directory/Addons/Components/Nagios-Business-Process-Intelligence-%28BPI%29/details Alex Griffin --- Tech Team agrif...@nagios.com Jonathan Gazeley wrote: Hi list, I have a question about servicegroups and dependencies. I have a number of hosts and services and I am already host parents, host groups, host dependencies, service groups and service dependencies. Imagine I have 2 database servers, and I have a web server that depends on the database service. I want the HTTP service to depend on the MySQL service *group* rather than on individual MySQL services. So long as there is at least one database server up, the database service keeps on working. How can I express this? The same goes for groups of DHCP, DNS, NTP, RADIUS servers... :) Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
[Nagios-users] Nagios servicegroup dependencies
Hi list, I have a question about servicegroups and dependencies. I have a number of hosts and services and I am already host parents, host groups, host dependencies, service groups and service dependencies. Imagine I have 2 database servers, and I have a web server that depends on the database service. I want the HTTP service to depend on the MySQL service *group* rather than on individual MySQL services. So long as there is at least one database server up, the database service keeps on working. How can I express this? The same goes for groups of DHCP, DNS, NTP, RADIUS servers... :) Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Dynamic warning/critical thresholds
On 22/06/12 15:11, Jonathan Gazeley wrote: I've got a bunch of Nagios plugins that monitor things like DNS/HTTP/RADIUS hits per second. I've set what I believe to be sensible max/min warning thresholds but what I really want is dynamic thresholds. If some quantity suddenly doubles or halves, I'd like an alert. For example, if I usually serve 10 DNS lookups per second, and suddenly it is doing 20 per second, that isn't a fault but I would like to know about it, because it might mean there is a problem with the network in general. Is there a way of doing this? Any ideas? Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Dynamic warning/critical thresholds
On 10/07/12 14:47, C. Bensend wrote: On 22/06/12 15:11, Jonathan Gazeley wrote: I've got a bunch of Nagios plugins that monitor things like DNS/HTTP/RADIUS hits per second. I've set what I believe to be sensible max/min warning thresholds but what I really want is dynamic thresholds. If some quantity suddenly doubles or halves, I'd like an alert. For example, if I usually serve 10 DNS lookups per second, and suddenly it is doing 20 per second, that isn't a fault but I would like to know about it, because it might mean there is a problem with the network in general. Is there a way of doing this? Any ideas? You've already received two replies, both stating that you'll likely have to write some code to do it. I'm not aware of any common plugins out there that calculate rates of change and alert appropriately. Maybe they exist, but I don't recall seeing any of them. Have you tried any of the plugin sites? Oh, I didn't receive any replies. Presumably the mails got lost in the ether. I'm happy to write code - I just wondered if there was a built-in way of doing this. Thanks for your response, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
[Nagios-users] Dynamic warning/critical thresholds
I've got a bunch of Nagios plugins that monitor things like DNS/HTTP/RADIUS hits per second. I've set what I believe to be sensible max/min warning thresholds but what I really want is dynamic thresholds. If some quantity suddenly doubles or halves, I'd like an alert. For example, if I usually serve 10 DNS lookups per second, and suddenly it is doing 20 per second, that isn't a fault but I would like to know about it, because it might mean there is a problem with the network in general. Is there a way of doing this? Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Performance data not being returned
The newlines were introduced by my mail client. There are no unusual characters in the output of the plugin. As far as I can tell, the perfdata complies completely with the specs. status | key1=value1%;warn;crit, key2=value2%;warn;crit The perfdata string is generated in a loop by appending an item for each DHCP pool I am monitoring. When we come to print the variable, it seems to get ignored (hence the pipe is printed but nothing else). If I statically set the variable to have the same value as the perfdata ought to, then the plugin works properly, and the full perfdata string is returned. So what is it about printing this variable through NRPE that breaks it? I am totally confused by this. Happy to send my plugin source code to the list if it helps (it's only 60 lines of perl). Thanks, Jonathan On 14/05/12 16:33, Alex Griffin wrote: Are the newlines in your output an artifact of sending this over email or are there really newlines in your plugin output? If they're really there, you should eliminate them. Alex Griffin --- Tech Team agrif...@nagios.com Jonathan Gazeley wrote: On 10/05/12 16:39, C. Bensend wrote: I've narrowed it down to a stage where running the plugin directly returns the right results, but running the plugin through check_nrpe on localhost returns this: [jg4461@dhcp1 log]$ /usr/lib64/nagios/plugins/check_nrpe -H localhost -c check_dhcpd_pools OK - all pools less than 80% full | What could cause NRPE to truncate the results in such a way? Too much data? Are you using SSL? I don't know that I've seen this behavior before - it's always been *invalid* perfdata that have caused this issue for me. I am using SSL in production, although not for testing. Both cases return the same truncated results. The total status + performance data returned from this plugin is only 500-and-something bytes, less than the limits for NRPE that I'd heard about. I'm wondering if it might be something to do with the embedded perl interpreter. Does NRPE use this to execute perl-flavoured plugins? Thanks for your help, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
[Nagios-users] Performance data not being returned
Some time ago I set up a bunch of Nagios checks including graphing of performance data for various services. It all worked fine. I've just had cause to look at the graphs and I noticed that performance data stopped being logged a few weeks ago. Nagios no longer seems to read in the performance data for this one service check - other services are OK. Nagios correctly reports the status and the status information string, but seems to not accept the performance data. The plugin is being executed through NRPE. Executing the plugin by hand seems to return valid perfdata: [jg4461@dhcp1 ~]$ /usr/lib64/nagios/plugins/check_dhcpd_pools OK - all pools less than 80% full | 'resnet-wireless-652'=43.769%;80;90, 'resnet-wireless-653'=47.923%;80;90, 'resnet-wireless-654'=46.201%;80;90, 'resnet-wireless-655'=44.681%;80;90, 'resnet-wireless-656'=47.720%;80;90, 'resnet-wireless-657'=47.112%;80;90, 'resnet-wireless-658'=42.452%;80;90, 'resnet-wireless-659'=0.304%;80;90, 'resnet-wireless-ratelimited-660'=1.114%;80;90, 'resnet-wireless-onlinepayment-661'=0.405%;80;90, 'resnet-wireless-onlinepayment-662'=0.405%;80;90, 'resnet-wireless-onlinepayment-663'=0.304%;80;90, 'resnet-wireless-consoles-665'=1.114%;80;90, 'resnet-wireless-message-666'=0.000%;80;90, 'resnet-wireless-instructions-667'=8.056%;80;90 The plugin worked perfectly in the past and I'm not aware that anything has changed since. I've checked that permissions are OK and that SELinux isn't preventing it from working. Can anyone suggest a sensible course of action to troubleshoot this plugin - where I might look to try and work out where the perfdata is being lost? Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Performance data not being returned
On 10/05/12 11:31, C. Bensend wrote: The plugin is being executed through NRPE. Executing the plugin by hand seems to return valid perfdata: [jg4461@dhcp1 ~]$ /usr/lib64/nagios/plugins/check_dhcpd_pools OK - all pools less than 80% full | 'resnet-wireless-652'=43.769%;80;90, 'resnet-wireless-653'=47.923%;80;90, 'resnet-wireless-654'=46.201%;80;90, 'resnet-wireless-655'=44.681%;80;90, 'resnet-wireless-656'=47.720%;80;90, 'resnet-wireless-657'=47.112%;80;90, 'resnet-wireless-658'=42.452%;80;90, 'resnet-wireless-659'=0.304%;80;90, 'resnet-wireless-ratelimited-660'=1.114%;80;90, 'resnet-wireless-onlinepayment-661'=0.405%;80;90, 'resnet-wireless-onlinepayment-662'=0.405%;80;90, 'resnet-wireless-onlinepayment-663'=0.304%;80;90, 'resnet-wireless-consoles-665'=1.114%;80;90, 'resnet-wireless-message-666'=0.000%;80;90, 'resnet-wireless-instructions-667'=8.056%;80;90 http://nagiosplug.sourceforge.net/developer-guidelines.html#AEN201 I think you might try spaces, not commas. I have developed a number of plugins, and I've never used anything but spaces to delimit the performance data. If Nagios doesn't believe that's valid data, it's going to ignore it. I removed the commas, and I'm now using only spaces. It still isn't showing up in Nagios, though. I'm slightly perplexed, since the perfdata used to show up in Nagios in the form that I already posted it to the list. I don't know what changed. Does anyone know any good ways of debugging this? Thanks, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Performance data not being returned
On 10/05/12 15:06, Mike Guthrie wrote: On 5/10/2012 5:51 AM, Jonathan Gazeley wrote: On 10/05/12 11:31, C. Bensend wrote: The plugin is being executed through NRPE. Executing the plugin by hand seems to return valid perfdata: [jg4461@dhcp1 ~]$ /usr/lib64/nagios/plugins/check_dhcpd_pools OK - all pools less than 80% full | 'resnet-wireless-652'=43.769%;80;90, 'resnet-wireless-653'=47.923%;80;90, 'resnet-wireless-654'=46.201%;80;90, 'resnet-wireless-655'=44.681%;80;90, 'resnet-wireless-656'=47.720%;80;90, 'resnet-wireless-657'=47.112%;80;90, 'resnet-wireless-658'=42.452%;80;90, 'resnet-wireless-659'=0.304%;80;90, 'resnet-wireless-ratelimited-660'=1.114%;80;90, 'resnet-wireless-onlinepayment-661'=0.405%;80;90, 'resnet-wireless-onlinepayment-662'=0.405%;80;90, 'resnet-wireless-onlinepayment-663'=0.304%;80;90, 'resnet-wireless-consoles-665'=1.114%;80;90, 'resnet-wireless-message-666'=0.000%;80;90, 'resnet-wireless-instructions-667'=8.056%;80;90 http://nagiosplug.sourceforge.net/developer-guidelines.html#AEN201 I think you might try spaces, not commas. I have developed a number of plugins, and I've never used anything but spaces to delimit the performance data. If Nagios doesn't believe that's valid data, it's going to ignore it. I removed the commas, and I'm now using only spaces. It still isn't showing up in Nagios, though. I'm slightly perplexed, since the perfdata used to show up in Nagios in the form that I already posted it to the list. I don't know what changed. Does anyone know any good ways of debugging this? Try using floats for your thresholds instead of integers. Those are two different data types being compared. For debugging I usually set up a local passive check with hard-coded status text and performance data, and then I just play with the format until it starts being processed for a graph. I've narrowed it down to a stage where running the plugin directly returns the right results, but running the plugin through check_nrpe on localhost returns this: [jg4461@dhcp1 log]$ /usr/lib64/nagios/plugins/check_nrpe -H localhost -c check_dhcpd_pools OK - all pools less than 80% full | What could cause NRPE to truncate the results in such a way? Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Performance data not being returned
On 10/05/12 16:39, C. Bensend wrote: I've narrowed it down to a stage where running the plugin directly returns the right results, but running the plugin through check_nrpe on localhost returns this: [jg4461@dhcp1 log]$ /usr/lib64/nagios/plugins/check_nrpe -H localhost -c check_dhcpd_pools OK - all pools less than 80% full | What could cause NRPE to truncate the results in such a way? Too much data? Are you using SSL? I don't know that I've seen this behavior before - it's always been *invalid* perfdata that have caused this issue for me. I am using SSL in production, although not for testing. Both cases return the same truncated results. The total status + performance data returned from this plugin is only 500-and-something bytes, less than the limits for NRPE that I'd heard about. I'm wondering if it might be something to do with the embedded perl interpreter. Does NRPE use this to execute perl-flavoured plugins? Thanks for your help, Jonathan -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Nagios-users mailing list Nagios-users@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
Re: [Nagios-users] Perfdata not showing up
On 15/09/11 09:32, Andreas Ericsson wrote: On 09/14/2011 05:13 PM, Jonathan Gazeley wrote: Hi all, I'm using nagios with pnp4nagios to graph my performance data. When a plugin returns performance data, it automatically get graphed. However, one of my plugins isn't getting graphed. I'm aware that this is quite a large amount of perfdata being returned (pool use for lots of pools on a DHCP server) but is there anything wrong with this output? [jg4461@dhcp1 ~]$ /usr/lib64/nagios/plugins/check_dhcpd_pools OK - all pools less than 80% full | resnet-wireless-652=0.983%;80%;90%, resnet-wireless-653=1.377%;80%;90%, resnet-wireless-654=1.180%;80%;90%, Skip the commas and it should be ok. One possible issue could be if you're using NRPE to run the checks for this, as NRPE will limit the output to 1024 chars, so Nagios (and also PNP) will receive damaged perfdata. I am using NRPE to return the data, but the perfdata is 1024 chars. This may not always be the case though, so I will look at using check_by_ssh. It seems that my perfdata format works with commas or semicolons, but the root cause of my problems was a corrupt RRD database, as in this post: http://www.nagios-portal.org/wbb/index.php?page=ThreadpostID=65384l=2 The suggested fix worked, and now I have millions of graphs of my DHCP pools :) Thanks for your help, Jonathan -- BlackBerryreg; DevCon Americas, Oct. 18-20, San Francisco, CA http://p.sf.net/sfu/rim-devcon-copy2 ___ Nagios-users mailing list Nagios-users@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
[Nagios-users] Perfdata not showing up
Hi all, I'm using nagios with pnp4nagios to graph my performance data. When a plugin returns performance data, it automatically get graphed. However, one of my plugins isn't getting graphed. I'm aware that this is quite a large amount of perfdata being returned (pool use for lots of pools on a DHCP server) but is there anything wrong with this output? [jg4461@dhcp1 ~]$ /usr/lib64/nagios/plugins/check_dhcpd_pools OK - all pools less than 80% full | resnet-wireless-652=0.983%;80%;90%, resnet-wireless-653=1.377%;80%;90%, resnet-wireless-654=1.180%;80%;90%, resnet-wireless-655=1.180%;80%;90%, resnet-wireless-656=0.983%;80%;90%, resnet-wireless-657=0.000%;80%;90%, resnet-wireless-658=0.000%;80%;90%, resnet-wireless-659=0.000%;80%;90%, resnet-wireless-ratelimited-660=0.000%;80%;90%, resnet-wireless-onlinepayment-661=0.098%;80%;90%, resnet-wireless-onlinepayment-662=0.000%;80%;90%, resnet-wireless-onlinepayment-663=0.000%;80%;90%, resnet-wireless-consoles-665=0.000%;80%;90%, resnet-wireless-message-666=0.000%;80%;90%, resnet-wireless-instructions-667=0.367%;80%;90% As I understand it, it should be in a format like: title1=value1;warning1;critical1, title2=value2;warning2;critical2 I've tried using semicolons and commas to separate the different pieces of data being returned, neither worked. This plugins works normally aside from not graphing - Nagios shows the status and the return code. Any ideas? Cheers, Jonathan -- BlackBerryreg; DevCon Americas, Oct. 18-20, San Francisco, CA Learn about the latest advances in developing for the BlackBerryreg; mobile platform with sessions, labs more. See new tools and technologies. Register for BlackBerryreg; DevCon today! http://p.sf.net/sfu/rim-devcon-copy1 ___ Nagios-users mailing list Nagios-users@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
[Nagios-users] Unable to move file to check results queue
Hi list, I've used Nagios for a few years now, largely without any problems, but since I just rebuilt my Nagios server I'm having a problem. My nagios log file is full of entries like this, that recur every few seconds: Error: Unable to rename file '/var/log/nagios/spool/checkresults/checkf8zhrH' to '/var/log/nagios/spool/checkresults/c8M6TqA': No such file or directory Warning: Unable to move file '/var/log/nagios/spool/checkresults/checkf8zhrH' to check results queue. Error: Unable to rename file '/var/log/nagios/spool/checkresults/check3OnQ7y' to '/var/log/nagios/spool/checkresults/cKzmO7d': No such file or directory Warning: Unable to move file '/var/log/nagios/spool/checkresults/check3OnQ7y' to check results queue. Error: Unable to rename file '/var/log/nagios/spool/checkresults/checkbsjxap' to '/var/log/nagios/spool/checkresults/c6TEIkd': No such file or directory Warning: Unable to move file '/var/log/nagios/spool/checkresults/checkbsjxap' to check results queue. Error: Unable to rename file '/var/log/nagios/spool/checkresults/checkyHICiz' to '/var/log/nagios/spool/checkresults/c28Thaw': No such file or directory Warning: Unable to move file '/var/log/nagios/spool/checkresults/checkyHICiz' to check results queue. Error: Unable to rename file '/var/log/nagios/spool/checkresults/checknXxstZ' to '/var/log/nagios/spool/checkresults/cNhpsRH': No such file or directory Warning: Unable to move file '/var/log/nagios/spool/checkresults/checknXxstZ' to check results queue. I see from searching for the problem online that it can be caused by multiple running instances of nagios. When I do a ps -ef | grep nagios there are usually 4 processes - one that seems persistent (2337 in this case) and the other 3 that disappear and reappear with new pids. Killing the 3 extra processes makes them just reappear. Is this normal? [root@monitor ~]# ps -ef | grep \/usr\/sbin\/nagios nagios2337 1 0 13:05 ?00:00:02 /usr/sbin/nagios -d /etc/nagios/nagios.cfg nagios 15453 1 0 13:12 ?00:00:00 /usr/sbin/nagios -d /etc/nagios/nagios.cfg nagios 15621 1 0 13:12 ?00:00:00 /usr/sbin/nagios -d /etc/nagios/nagios.cfg nagios 15707 1 0 13:12 ?00:00:00 /usr/sbin/nagios -d /etc/nagios/nagios.cfg root 15744 6284 0 13:12 pts/000:00:00 grep /usr/sbin/nagios This is a 64-bit CentOS 6.0 virtual machine. It was running SELinux but I disabled it for debugging in case it was causing problems. Permissions on ls -la /var/log/nagios/spool/checkresults/ and parents are traversable and writable by the nagios user. I also saw online that sometimes permissions on /dev/null can cause this problem, but in my case /dev/null is world-writable so I can't see a problem. I adjusted max_check_result_file_age to 0 in case my checkresult files were being deleted prematurely, but the problem persists. So, I have no idea what to look at next while troubleshooting this. Can anyone suggest a pointer? Many thanks, Jonathan -- Using storage to extend the benefits of virtualization and iSCSI Virtualization increases hardware utilization and delivers a new level of agility. Learn what those decisions are and how to modernize your storage and backup environments for virtualization. http://www.accelacomm.com/jaw/sfnl/114/51434361/ ___ Nagios-users mailing list Nagios-users@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
