nagios check_ping define service
Check WMI Plus includes a service module that can check if a service is running. However, in the end, that's what I did - and it works. The configuration we've added adds a simple service check definition for an existing host, to check up to three times whether the HTTP daemon on that host is responding to a simple HTTP/1.1 request. Here's my basic C: drive space check. Two MacBook Pro with same model number (A1286) but different year. Troubleshoot Identity Client (keystone) Connectivity Problems, 4.3. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? Currently, I'm defining my group-level PING service like so: I know it's an old post, but I just ran across this question while I was looking for something else. Benefits Implementing effective Ping monitoring with Nagios offers the following benefits: Increased server, services, and application availability Fast detection of network outages and protocol failures Solutions The check_mrtgtraf plugin (which is included in the Nagios plugins distribution) allows you to do this. Like i have written below two command one for ping and one for swap. I've taken a screenshot, and am updating the question with the screenshot. But it doesn't identify that as the port. Take a look at the main config documentation: So, I was able to make all the necessary changes. "But not exactly"? But ultimately, does not work as if I check the "performance data" of the service check results, I can see in there that the threshold included in the data is that of the group check, not the host check. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Services are those which are used by Nagios to check something about a host. If all goes fine then you can add more services running on the host that can be accessed remotely Checking SSH service We can use something like this to configure check for SSH service. Was Aristarchus the first to propose heliocentrism? How to disable host checks of existing hosts in Nagios? Thx. Actually called check_host, without the 's'. Arranging it this way allows me to only add custom services, and service checks that aren't the norm in the host definition. The commands that Nagios executes to process host and service performance data are determined by the host_perfdata_command and service_perfdata_command options, respectively. At a minimum, Nagios plugins must return a single line of human-readable text that indicates the status of some type of measurable data. What is scrcpy OTG mode and how does it work? Monitoring switches and routers can either be easy or more involved - depending on what equipment you have and what you want to monitor. If your switch supports SNMP, you can monitor port status, etc. But when integrating with Nagios server, I could not able to pass this value as an argument. What differentiates living as mere roommates from living in a marriage-like relationship? Ensure that Nagios is started automatically when the system boots: Check your Nagios access by using the following URL in your browser, and using the nagiosadmin user and the password that was set in Step 2: If the Nagios URL cannot be accessed, ensure your firewall rules have been set up correctly. Install the Nagios Service", Expand section "4.7. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Nagios failing restart with new service directove in localhost.cfg, nagios socket timeout error in master server, Nagios variable $HOSTNAME$ in service definition, Unable to read nagios exit status in nagios core. Remember, you only need to do this for the *first* switch you monitor. What are the arguments for/against anonymous authorship of the Gospels, Generic Doubly-Linked-Lists C implementation. Any complicated monitoring can be placed into a script, and then referred to in the command definition. NSClient++ includes a service module that can check if a service is running. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This value can be viewed in the /etc/nagios/cgi.cfg file. If the verification process produces any errors messages, fix your configuration file before continuing. define service { use generic-service ; Inherit values from a template host_name linksys-srw224p ; The name of the host the service is associated with service_description PING ; The service description check_command check_ping!200.0,20%!600.0,60% ; The command used to monitor the service normal_check_interval 5 ; Check the service every 5 . However, if you are using an external addon to process the performance data (i.e. by cornelp Wed Aug 17, 2016 8:32 am, Post By default the check_ping command will do the connection time out (if it is unable to reach the destination host) after 10 seconds. Database as a Service (trove) Log Files, 1.1.7. If you want to ensure that a specific port/interface on the switch is in an up state, you could add a service definition like this: In the example above, the "-o ifOperStatus.1" refers to the OID for the operational status of port 1 on the switch. Thanks. Asking for help, clarification, or responding to other answers. Add the following service definition in order to monitor packet loss and round trip average between the Nagios host and the switch every 5 minutes under normal conditions. Read on for more information on how plugins can return performance data to Nagios for inclusion in the $HOSTPERFDATA$ and $SERVICEPERFDATA$ macros. by rkennedy Tue Aug 16, 2016 11:34 am, Post I currently am experimenting with defining a set of services to all hosts in a hostgroup, this is working fine. tar command with and without --absolute-names option. Additionally, you can have Nagios periodically execute commands to periocially process the performance data files (e.g. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. NSClient++ includes a service module that can check if a service is running. ', referring to the nuclear power plant in Ignalina, mean? If this is the *first* switch you're monitoring, you can simply modify the sample service definition in switch.cfg. How to Make a Black glass pass light through it? All OpenStack services can be reported, just ensure that a matching command is specified in the remote servers nrpe.cfg file. The interval between checks in this example is 5 minutes (check_interval). I changed the Nagios cfg file interval_length to 10 and the host file to 20 and 10. You should also pass both warning and critical threshold limit. # Service definition to ping the switch using check_ping define service{ use generic-service hostgroup_name switches service_description PING check_command check_ping!200.0,20%!600.0,60% normal_check_interval 5 retry_check_interval 1 } # Service definition to monitor switch uptime using check_snmp define service{ use generic-service hostgroup . Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If it doesn't, install net-snmp and net-snmp-utils and recompile/reinstall the Nagios plugins. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By default, when Nagios is installed, the default httpd user and password is: nagiosadmin / nagiosadmin. Monitoring Using the Telemetry Service", Collapse section "2. I am currently running 3.4.1, so I would think this should be working. Nagios checks are not run on an exact schedule. Have you made sure that the nagios user can run the ping command? Contact Sales So for example, I'd like to have a host in the linux-server host group, which inherits several services (SSH, Disk, PING, etc), but for specific services I want to override with their own unique values, define a service specific to that host, with custom values. Did the drapes in old theatres actually say "ASBESTOS" on them? Some cheaper "unmanaged" switches and hubs don't have IP addresses and are essentially invisible on your network, so there's not any way to monitor them. rev2023.4.21.43403. Email: sales@nagios.com What is the symbol (which looks similar to an equals sign) called? (3-30 sec interval checks). To do this, you can include the service in the server1.cfg file, as in the following example, which pings the host on a regular basis: define service{ use local-service ; Name of service template to use. Find centralized, trusted content and collaborate around the technologies you use most. However, I'd recommend waiting until you're more familiar with configuring Nagios Core before doing so. In addition, there are a number of points to review for optimal Nagios placement: NRPE (Nagios Remote Plugin Executor) plugins are compiled executables or scripts that are used to check the status of a hosts service, and report back to the Nagios service. This means if the check_ping does not get a result in 10 seconds, the command will timeout. But, when you use IPv6 address, you should use -6 as shown below. Making statements based on opinion; back them up with references or personal experience. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Which language's style guidelines should be used when writing code that is supposed to be called from another language? by cornelp Fri Aug 26, 2016 2:03 pm, Post By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Monitoring Using Nagios", Collapse section "3. How about saving the world? Log Files for Supporting Services, 1.3. Any suggestions on how I can fix my check-host-alive command definition to work properly and evaluate the output of check_ping properly? Nagios Configuration is below, I don't see how it can be wrong as I copied it from server and simply changed the server name. On the remote machine, and as the root user, execute the following: After the installation, you can view all available plugins in the /usr/lib64/nagios/plugins/ directory. by rkennedy Tue Aug 16, 2016 4:51 pm, Post If you like to change this, use -p option. What is the Russian word for the color "teal"? Monitoring Using Nagios", Expand section "3.1. Remote Logging Installation and Configuration, 1.3.3. OpenStack Dashboard - Red Hat Access Tab. The module defines a "good" service as one that is running and a "bad" service is one that is not running, so you can define critical is when more than 0 "good" services exist. What does 'They're at four. Thanks for contributing an answer to Server Fault! Based on the ping output, you can decide to set certain warning and critical threshold level, based on which Nagios can send notifications to you. Which language's style guidelines should be used when writing code that is supposed to be called from another language? Looking at the check_ssh man page doesn't seem to indicate in what order to place these switches You can define a command and use that command for your service. That's where you'll be adding host and service definitions for routers and switches. How can I control PNP and NPN transistors together from one pin? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. the '-t 10' is not the interval, but the timeout argument. line, since nagios will substitute $HOSTADDRESS$ for the appropriate hosts ip/name. If additional machines are being used in the cloud, in addition to the host on which Nagios is installed, they must be made known to Nagios by configuring them in an objects file: In the file, specify a host section for each machine on which an OpenStack service is running and should be monitored: In the /etc/nagios/nagios.cfg file, under the OBJECT CONFIGURATION FILES section, specify the following line: To monitor remote services, you must define those services in a new file; in this procedure, /etc/nagios/objects/services.cfg: In the /etc/nagios/objects/commands.cfg file, specify the following to handle the use of the check_nrpe plugin with remote scripts or plugins: In the file, specify the following service sections for each remote OpenStack host to be monitored: The above sections ensure that a server heartbeat, load check, and the OpenStack Identity service status are reported back to the Nagios server. Find A Partner, Phone: 1-888-NAGIOS-1 nagios (Last Notification: N/A (notification 0)). The thing you post is a Nagios command. You can have Nagios write all host and service performance data directly to text files using the host_perfdata_file and service_perfdata_file options. I tried that as well, but ran into a different issue. OpenStack Dashboard - Red Hat Access Tab", Collapse section "4.7. However, it doesn't describe in which order to pass parameters. However, one server runs with much less free space than the norm. Plugin performance data is external data specific to the plugin used to perform the host or service check. Processing Performance Data Using Commands. Adjust this to say, 10. For example, advice was given in one of the above links (second one) to do the following: In the service definition add a line under "hostgroup_name": Nagios Plugins does not include a service plugin however the linux-nrpe-agent does provide check_init_service. Bare Metal Provisioning (ironic) Log Files, 1.1.5. Post Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? To learn more, see our tips on writing great answers. Be aware that the service module is cAsE SeNsative, you can overcome this with the match= argument. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? :) This is an excellent post. Here Host, warning and critical thresholds were passing by Nagios host as below, define service { use generic-service hostgroup_name all-servers service_description Host Ping Status check_command check_nrpe_args!check_ping_args!localhost!3000.0,80%!5000.0,100% } Share Follow answered Apr 28, 2020 at 1:45 Hasitha 698 8 16 Add a comment If you want to process the performance data that is available from Nagios and the plugins, you'll need to do the following: Read on for information on how to process performance data by writing to files or executing commands. SSH can also be used to access remote Nagios plugins. by tmcdonald Wed Aug 17, 2016 2:31 pm, Post Nagios provides complete monitoring of Ping including reachability and packet loss. 1. by cornelp Tue Aug 16, 2016 10:43 am, Post Add OpenStack monitoring to the local server. If this is the *first* switch you're monitoring, you can simply modify the sample host definition in switch.cfg. The Nagios server will receive traffic from a broad scope of systems. define command { command_name check-host-alive command_line $USER1$/check_ping -t 10 -H $HOSTADDRESS$ -w 3000.0,80% -c 5000.0,100% -p 5 } The thing you post is a Nagios command. QGIS automatic fill of the attribute table by expression. Asking for help, clarification, or responding to other answers. It's not them. He also rips off an arm to use as a sword. After installing nagios and nagios-plugins-all (via yum), I've created a number of hosts and service definitions, have tested my configuration with nagios -v /etc/nagios/nagios.cfg, and have Nagios up and running! Check web-interface user name and password, and check basic configuration. Create Service Definitions for Remote Services, 4.2. since there is no predefined argument to specify the port, like --port=$ARG1$ in the definition, but only a generic place holder. Why did US v. Assange skip the court of appeal? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Support Plans NSClient++ allows you to check multiple services, here is an example that checks for two services that are running. If it doesn't, skip this section. I checked log: /usr/local/nagios/var/nagios.log the interval between ping times is 90 seconds. Share Improve this answer Follow answered Feb 10, 2011 at 16:13 rems How can I control PNP and NPN transistors together from one pin? More expensive switches and routers have addresses assigned to them and can be monitored by pinging them or using SNMP to query status information. Here's the service definition I use to monitor the bandwidth data that's stored in the log file. Add a new host definition for the switch that you're going to monitor. service_perfdata_file_processing_interval, Everything before the pipe character is considered to be the "normal" plugin output and will be stored in either the $HOSTOUTPUT$ or $SERVICEOUTPUT$ macro, Everything after the pipe character is considered to be the plugin-specific performance data and will be stored in the $HOSTPERFDATA$ or $SERVICEPERFDATA$ macro. For example: To set up monitoring on each remote machine, execute the following as the root user: In the /etc/nagios/nrpe.cfg file, add the central Nagios server IP address in the allowed_hosts line: In the /etc/nagios/nrpe.cfg file, add any commands to be used to monitor the OpenStack services. Thanks for the post. The check_snmp plugin will only get compiled and installed if you have the net-snmp and net-snmp-utils packages installed on your system. Checking if a service is running using SNMP is not very straight forward, checking a process is the best solution here, please refer to the Process Checks KB article. How to Make a Black glass pass light through it? define service{ host_name linuxbox service_description PING check_command check_ping!200.0,80%!400.0,40% . } check_command check_ping!100.0,20%!500.0,60% For example, the check_ping plugin might return a line of text like the following: With this simple type of output, the entire line of text is available in the $HOSTOUTPUT$ or $SERVICEOUTPUT$ macros (depending on whether this plugin was used as a host check or service check). If total energies differ across different software, how do I decide which software to use?
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