Icinga is an open-source network monitoring tool that serves to keep track of the availability and health status of your network infrastructure. It provides a platform for easy centralized monitoring of your critical end-points and applications. In this tutorial, we’ll guide you through the steps to install Icinga2 on OpenSUSE.
Before we proceed, you should have:
The first thing to do is to update your system. This will ensure that your operating system is running the latest security patches, updates, and software packages. Open the Terminal and enter the following command:
sudo zypper update
Next, we will add the Icinga repository to the system. Copy and paste the following command to your terminal:
sudo zypper addrepo https://packages.icinga.com/openSUSE/SLE12/ icinga-stable-main
You need to import the Icinga GPG key to your system to enable package verification. The GPG key ensures that the packages are authentic and secure.
sudo rpm --import https://packages.icinga.com/icinga.key
Now that we have the repository and the GPG key installed, we can now install Icinga by running the following command in your Terminal:
sudo zypper install icinga2
Hit "Y" and Enter to confirm the installation.
When the Icinga installation is complete, start and enable the Icinga2 service:
sudo systemctl start icinga2
sudo systemctl enable icinga2
If you are using a firewall, you need to open the ports required by Icinga: ICMP, HTTPS, and SNMP. Run the following command to open these ports:
sudo firewall-cmd --add-service=icinga2 --permanent
sudo firewall-cmd --add-port=5665/tcp --permanent
sudo firewall-cmd --add-port=162/udp --permanent
sudo firewall-cmd --reload
Icinga2 web interface runs on port 80, so you will need to disable Apache web service to access Icinga on port 80. To disable Apache, run:
sudo systemctl stop apache2
sudo systemctl disable apache2
Now you can access the Icinga2 web interface using the following URL:
http://your_server_ip_address/icinga
To access, use the default username (icingaadmin) and password (icingaadmin).
That's it! You now have a working Icinga2 installation on your OpenSUSE operating system. You can now configure and monitor your network assets using Icinga2.
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