Here are the first steps you need to complete before going further: eval(ez_write_tag([[320,100],'raspberrytips_com-leader-1','ezslot_10',163,'0','0']));Nagios is a web interface, so we need to install Apache and PHP:sudo apt install apache2 libapache2-mod-php. Mar 31 16:40:19 raspberrypi nagios[26901]: ***> One or more problems was encountered while processing the config files…Mar 31 16:40:19 raspberrypi nagios[26901]: Check your configuration file(s) to ensure that they contain validMar 31 16:40:19 raspberrypi nagios[26901]: directives and data definitions. Although I had issues posting this comment, getting message : ERROR: Sorry, human verification failed. Note: In order to check the health of a docker container there must be a health check configured. Verify that you can connect from your computer via SSH. check_docker - Nagios Exchange Network: eval(ez_write_tag([[250,250],'raspberrytips_com-large-mobile-banner-1','ezslot_6',165,'0','0']));The Nagios installation is almost done, we just need to run the Nagios service. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Now we have to extract files from the archive, compile the sources and install Nagios on the Raspberry Pi: This is the end of the Nagios core installation.We now need to configure the Apache part to allow access to the Nagios page. We need to create a specific user for Nagios, and a group for Nagios and Apache users (nagcmd):sudo useradd -m -s /bin/bash nagiossudo groupadd nagcmdsudo usermod -a -G nagcmd nagiossudo usermod -a -G nagcmd www-data. Maybe any other way to get nagios analyze some network data? link to How to Install VMWare ESXi on a Raspberry Pi? Example: Let’s consider NagiosPi – a lightweight, feature rich & fully configured Server Monitoring Distro for the Raspberry Pi. This monitoring pi is now named nagiospi. Pour commencer on met à jour le système avec les commandes suivantes : on passe maintenant à l’installation de Nagios : Arrivé à la page comme ci-dessous, vous aller devoir choisir un mot de passe et le valider par deux fois. However, i had following issues, that needed additional configuration for this plugin 1. usermod -aG docker nations (you already mentioned it) 2. i had to create a sudoers file(/etc/sudoers.d/nagios) to allow the plugin to run. Is it possible to monitor Windows or other hosts? Running the Nagios service and a dependency like Apache web server is not considered best practice. When attempting to do the following step: sudo cp sample-config/httpd.conf /etc/apache2/sites-enabled/nagios.conf, cp: cannot stat ‘sample-config/httpd.conf’: No such file or directory, Which step creates this file? This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. You can easily create a container with your ideal setup and deploy your app, in a… Nagios . You may need to restart Nagios to apply changes:sudo service nagios restart. Then there are two things we need to download and install: We need to download sources for them, check their websites for the latest version:Nagios Core downloadsNagios Plugins downloads, Finally, download archives with wget:mkdir /home/pi/Downloadscd /home/pi/Downloadswget Make sure to readMar 31 16:40:19 raspberrypi nagios[26901]: the HTML documentation regarding the config files, as well as theMar 31 16:40:19 raspberrypi nagios[26901]: ‘Whats New’ section to find out what has changed.Mar 31 16:40:19 raspberrypi systemd[1]: nagios.service: Control process exited, code=exited, status=1/FAILUREMar 31 16:40:19 raspberrypi systemd[1]: nagios.service: Failed with result ‘exit-code’.Mar 31 16:40:19 raspberrypi systemd[1]: Failed to start Nagios Core 4.4.5. Not sure how to add new group named…. Is it possible to create the configuration from the web interface? Maintenant que Nagios est en fonctionnement, on va créer un repertoire ou placer les fichiers de configuration des hôtes. It helps you to monitor the services, resources, and applications that run on Windows as well as on Linux. Say goodbye to Nagios config files. If you understood how to create a host, a command and a service, you are now ready to do anything in Nagios.Feel free to download new plugins on Internet, or even code your plugins (it’s nothing more than a basic script to check something). voici quelques exemples. I am trying to set up a monitoring of docker container from the nagios.My nagios is on one VM and my docker is on another VM . This makes the Raspberry Pi a good target to use as the controller, especially if we don’t need to manage too many systems. Docker-Nagios. Hum … does the folder /usr/local/nagios/etc/ exist? Required fields are marked *. Raspberry. [Service]User=nagiosGroup=nagiosType=simpleExecStart=/usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg# systemctl enable /etc/systemd/system/nagios.service# systemctl start nagios# systemctl status nagiosAfter that you need to restart the Nagios Service. Wed, Jan 11, 2017. Install Nagios on Debian 10. My goal is to help you with your Raspberry Pi problems using detailed guides and tutorials. It could be the easiest way to get Nagios, but I want the latest version or not too far from it. Configurations. To create a new service, follow these steps: Don’t forget to adapt these lines to your previous configuration.On the check_command line, we define all arguments, separated by exclamation points. See How to Add a Health Check to Your Docker Container for more information. Nagios Configuration lives in /opt/nagios/etc NagiosGraph configuration lives in /opt/nagiosgraph/etc Thanks so much. How to Use YouTube API Keys with the Kodi add-on? Yes. So start with updating your system first – Nagios also can monitor routers and other network devices. Lately I've been working with Docker experimenting development setups with JBoss Wildfly, ActiveMQ, Jenkins, Postfix, Nagios, etc. I have tested this on Raspberry Pi 3 B+ and later on the Raspberry Pi 4 version. Hauru Membre Distrib. I was attempting to install Nagios Core 4.4.5 and “sudo ln -s /etc/init.d/nagios /etc/rcS.d/S99nagios” didn’t work for me because there was nothing in init.d at all! Wrote alot of stuff about Nagios and this project and don’t want to abandon it but thinking about shifting to wireshark. It has evolved to include enterprise builds for VMWare ESXi, Amazon Web Services' EC2, Docker and more., It is not officially supported. On crée donc un fichier que l’on édite : Description du fichier « serveurNAS »: On indique maintenant à Nagios de surveiller notre hôte, en éditant le fichier « nagios.cfg » : Puis on ajoute les paramètres suivants : Il ne suffit maintenant qu’à se diriger vers l’interface web pour voir l’état de notre serveur. Now we are ready to move to the installation process. Do you have an error when you start the service? In this tutorial we are expanding on the previous video where we looked at using Docker and the Docker engine on the Raspberry Pi. Copy the Apache configuration to the Apache folder: Create the first user for the web interface: Go back to the Raspberry Pi hosting Nagios. Hum … not so long finally, maybe 30min to get everything working with the latest version.So for me, it’s really the best option I found, and I’ll now explain to you how to install it on your Raspberry Pi. Unfortunately no, Nagios doesn’t provide a configuration tool in the Core version. No errors at all came up, but still only the local host showingCould it be because the Pi Zero is connected wireless through mesh access point and the Pi 3 running Nagios is wired?I’ve tries restarting both services but still not being registeredThanks. Extract files from the archive downloaded before: Don’t forget to change the version number if you download another one. To add a command in Nagios, follow these steps: So, I know I have to specify the host IP in the -H argument.And maybe a warning and critical threshold with -w and -cOther options don’t seem relevant for me. Nagios is a free and open source monitoring and alerting service which basically collects the statistics of your server using agents like nrpe, check_mk or using SNMP and sends the alert if the metric value is above the predefined threshold. ), I figured it out thank you for helpingReally helpful guide, Using this tutorial (with a few modifications) I’ve successfully installed Nagios 4.4.6 on PiZero with DietPi (since I don’t have the “w” version I’ve used a USB network card for LAN) connection.Install and configure DietPi – DietPi instruction on official websiteConnect to Pi using SSH (root user will be used during install so there is no need for “sudo” if connecting with other user you must add sudo or use “sudo su”) :[code]apt update && apt upgradeapt install apache2 libapache2-mod-php gettext build-essentialmkdir DW_Nagios && cd DW_Nagioswget && wget -m -s /bin/bash nagios && groupadd nagcmd && sudo usermod -a -G nagcmd nagios && sudo usermod -a -G nagcmd www-datatar zxvf nagios-4.4.6.tar.gzcd nagios-4.4.6/./configure –with-command-group=nagcmdmake allmake installmake install-initmake install-configmake install-commandmodea2enmod cgicp sample-config/httpd.conf /etc/apache2/sites-enabled/nagios.confhtpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadminservice apache2 restartservice nagios startln -s /etc/init.d/nagios /etc/rcS.d/S99nagioscd ..tar zxvf nagios-plugins-2.3.3.tar.gzcd nagios-plugins-2.3.3./configure –with-nagios-user=nagios –with-nagios-group=nagiosmakemake install[/code], After that had some issue with nagios service, the following resolve it:[code]Create this nagios.service file, # vi /etc/systemd/system/nagios.service[Unit] September 16, 2015 by The Urban Penguin. For those who are not familiar with: Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications. sudo ln -s /etc/init.d/nagios /etc/rcS.d/S99nagios. What is the best way to get Nagios on Pi? Or a screenshot maybe? This was an incredible walkthrough! The tricky part was Docker prevents use of systemd because Docker was designed for securely running a single service per container. Go back to the Nagios web interface, in the Hosts menu. You could monitor anything on the network. Installing Nagios was easy enough. Getting the following error while opening http:///nagios,