Checkmk is an open-source monitoring tool that helps in monitoring and managing companies' IT infrastructures. It has various features such as automation, notifications, reporting, and much more. In this tutorial, we will learn how to install Checkmk on the latest version of POP!_OS.
Before starting with the installation process, make sure that you have upgraded the system to its latest version, and you have sudo privileges.
Before installing Checkmk, we need to make sure that our system has all the dependencies required to run it. To install the dependencies, we will use the following command:
sudo apt-get install xinetd apache2 libapache2-mod-php php php-gd php-mcrypt php-mysql php-xml php-intl build-essential libssl-dev perl bsd-mailx gawk libdbi-perl libnet-snmp-perl libnet-ip-perl libdigest-md5-perl libmkvcore0 libsdl-image1.2 libboost-all-dev libreadline-dev libncursesw5-dev rrdtool
Visit the Checkmk website to download the latest version of Checkmk. Once you have downloaded the file, extract it to the /opt/ directory.
sudo tar -xzvf check-mk-raw-<version>.tar.gz -C /opt/
Replace <version> with the actual version of the file you have downloaded.
To install Checkmk, we will navigate to the extracted directory and execute the setup script. Run the following commands:
cd /opt/check-mk-raw-<version>
sudo ./setup.sh
The setup script will prompt you to choose the installation type. Choose "Install server".
The script will also ask you a few questions related to configuration. Follow the on-screen instructions and provide the required information.
Checkmk uses the Apache web server to serve its web interface. Open the Apache configuration file with the following command:
sudo nano /etc/apache2/sites-enabled/000-default.conf
Add the following lines at the end of the file.
DocumentRoot /opt/check_mk/web/htdocs
Alias /check_mk /opt/check_mk/web/htdocs
<Directory /opt/check_mk/web/htdocs>
Options None
AllowOverride None
Require all granted
</Directory>
Save the file and restart Apache with the following command:
sudo systemctl restart apache2
Now, we need to configure Checkmk to start automatically when the system boots up. Run the following command to start the Checkmk service:
sudo systemctl start check_mk
We also need to enable the Checkmk service to start at boot time. Run the following command:
sudo systemctl enable check_mk
After completing all the above steps, we can now access the Checkmk web interface from any web browser by entering the IP address of the server followed by "/check_mk". For example, http://ip_address/check_mk.
When you first access the web interface, you will be asked to create a new site. Follow the on-screen instructions and provide the required information.
Once the site is created, you can log in to the Checkmk web interface with the username "omdadmin" and the password that you have set during the site creation process.
That's it! We have successfully installed Checkmk on the latest version of POP!_OS. We have also configured it to start automatically when the system boots up. Now you can start monitoring and managing your infrastructure with Checkmk.
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