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This guide will give you the keys to use the Collection mode built on the SQL Protocol. If you didn't read the post showing the big picture of "Why Collection modes?", take a look at it! Until today, you could use sql and sql-string to get simple SQL values depending on their type. But it had some limitations, and it could be hard to deal with several values and complex requests. The SQL collection aims to fix this by providing an adaptable configuration file. We’ll go through a use case you are probably familiar with: monitoring your Pollers state exactly like the Web UI does. In other words, our goal is to have a service checking that Pollers are running and that the last update is not too far from the present. (Spoiler alert: a built-in Plugin exists, but this example is just great). PrerequisitesRequirements before building a check on top of SQL collection mode are: Understand the data you want to check (especially their types). Know the basics about JSON and SQL. Have access to
Hello there,I am having an issue getting the right value printed on my graph.I have created a meta service that calculates the sum of two other integer values.In my output, I get the right result, like: → OK: sum = 443And the perf data also: → 'g[value]'=443.00;;;;But in the printed curve of the graph, I don't get the exact values; instead, I get values with decimals like 441.82, 440.61, etc.Any ideas?Thank you.
Hi all At last, the last day of the week, to end up with yet another galley...I cloned my centreon vm and updated the clone from 23.10 to 24. I followed the instructions for this update.But now I don't have any hosts or services appearing.Why ?The original in 23 works fine …I restarted services ..
Hi all New problem. I have the following error (line 69) sometimes and that must explain why I have un incident on my mysql database.password is set in :/etc/centreon/centreon.conf.php/etc/centreon/conf.pm 240724 9:53:56 11 Query SELECT nagios_server_id, command_file, cfg_dir, centreonbroker_cfg_path, snmp_trapd_path_conf, engine_start_command, engine_stop_command, engine_restart_command, engine_reload_command, broker_reload_command, init_script_centreontrapd FROM cfg_nagios, nagios_server WHERE nagios_server.id = cfg_nagios.nagios_server_id AND cfg_nagios.nagios_activate = '1' 11 Query SELECT `value` FROM options WHERE `key` = 'gorgone_illegal_characters' 66 Connect centreon@localhost on centreon using Socket 66 Query SET NAMES utf8 67 Connect centreon@localhost on centreon using Socket 67 Query SET NAMES utf8 66 Quit 67 Query SELEC
Hello everyone,I'm going from one problem to another and the latest is when I export my configuration.I have a service which, even if I remove it or rename it in the /var/cache/centreon/config/engine1/serviceTemplates.cfg file, comes back every time. And this duplication blocks the export.I've searched the resource.cfg, and I don't see why this service, the PING, is repeated. Is there a “hard” place where it's written to be parsed afterwards? define service { name PING check_command OS-Linux-SNMP-Tcpcon!100.0,20%!500.0,60% check_period 24x7 max_check_attempts 3 check_interval 10 retry_interval 2 register 1 use local-service}define service { name Balloning memory check_command OS-Linux-SNMP-Traffic-Name!1!10 check_period 24x7 max_check_att
Hello everybody,I have installed a Centreon 24.04.2 Central server with several pollers.I use the ZMQ revese flow from the pollers to the Central.I have enabled TLS encryption (forced to “Yes”) with self made certificates on the Broker configuration for the communications between pollers and the Central (Input on the Central and Output on the poller).Everything is Green on the Poller in the GUI. I can Reload/restart/DoCheck on the poller, All work well.However, I have noticed High CPU (99%) usage for the gorgone-proxy process on the Central.We have and old Centreon 21.04 also with several pollers and have no problem of CPU.Do I have missed something ? Or Did I make something wrong ?Thank you for your answer.Best RegardsPierre
I added the OS-Linux-Mountpoint-SSH-custom service template to my Linux hosts, but some give errors because there are ramfs partitions mounted with the ro flag.To avoid these errors I would like to add the ramfs (next to the squashfs and tmpfs) type to the types to exclude in the critical treshold (which by default is '%{options} !~ /^rw/i && %{type} !~ /tmpfs|squashfs/i').How can I do that? Obviously completely ignoring ramfs would also be an option.
I have an old centreon version 18.10 running on a centos7. I want to migrate to debian12 version 24.04.I've followed the documentation (https://docs.centreon.com/docs/migrate/migrate-from-el-to-debian/) but during the upgrade process I get an error and it can't apply version 20.04.19 (see image). Nothing in the log files sql-error.log or upgrade.log as suggested.Any ideas?ThanksJean
🇬🇧Hello, Would it be possible to filter the curves used on the "Datastore-Usage-Global" probe? I have 7 LUNs from a storage array to monitor and some local datastores. However, with the information in bytes (B) free/used and in percentages (%) free/used, it gives me 4 times too much content when I want to use the graph. I just want to have the percentage used curves. And if possible, have everything in the same table; otherwise, I can always generate a graph per metric.Thanks 🇫🇷Bonjour, Est-ce qu’il serait possible de filtrer les courbes utilisés sur la sonde “Datastore-Usage-Global” ? J’ai 7 LUN d’une baie à monitorer et quelques datastores locaux. Sauf qu’avec les informations en octets (B) libre/utilisé et en pourcentages (%) libre/utilisé, ça me fait 4 fois trop de contenu quand je veux me servir du graph. Je veux juste avoir les courbes pourcentage utilisé. Et puis dans la mesure du possible tout avoir dans le même tableau, sinon je peux toujours généré un graph’ par métrique.
Hello,we try to monitor some specidif custom Cloudwatch metrics with Centreon.Monitor the metrics seems ok but…The only response we have from the command is “ OK: “ without any other details, same with --verbose.How to have details ? the command is:/usr/lib/centreon/plugins/centreon_aws_cloudwatch_api.pl --plugin --custommode='awscli' --mode='get-metrics' --region='eu-central-1' --aws-secret-key='xxxxxxxxxxxxxxxxxxxxxxxxxxxx' --aws-access-key='xxxxxxxxxxxxxxxxx' --namespace='CloudWatchSynthetics' --metric='SuccessPercent' --verbose and the response is:OK: rRegards, Laurent
Hi everyone,I have placed an X-Clarity of a Lenovo server under monitoring via the plugin.How can I set the warning and critical limits for the ambient temperature? The plugin I used is as follows:https://docs.centreon.com/pp/integrations/plugin-packs/procedures/hardware-servers-lenovo-xcc-snmp/I tried to add the fields --warning='temperature,.*,30' and --critical='temperature,.*,40' in the Service Hardware-Global, but the rule is applied to all temperatures.I only need to apply it to the ambient temperature one, from the Performance Data:'temp_Ambient Temp'=20C;0:43;0:47;; 'temp_Exhaust Temp'=43C;;;; 'temp_CPU 1 Temp'=54C;;;; 'temp_CPU 1 DTS'=-40.6C;;0:-0.2;; 'temp_CPU 2 Temp'=51C;;;; 'temp_CPU 2 DTS'=-44.0C;;0:-0.2;; 'temp_DIMM 1 Temp'=26C;0:85;0:87;; 'temp_DIMM 3 Temp'=26C;0:85;0:87;; 'temp_DIMM 5 Temp'=27C;0:85;0:87;; 'temp_DIMM 7 Temp'=29C;0:85;0:87;; 'temp_DIMM 10 Temp'=28C;0:85;0:87;; 'temp_DIMM 12 Temp'=27C;0:85;0:87;; 'temp_DIMM 14 Temp'=27C;0:85;0:87;; 'temp_DIMM 16 Temp'=27
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