How to Setup Zorin OS for Nagios Log Server

Logging Zorin OS with Nagios Log Server serves a purpose essential for system performance and security. It centralizes log management, enabling efficient analysis and quick issue resolution. This real-time monitoring minimizes downtime, enhances reliability, and aids in compliance and auditing. Follow this guide for instructions on setting up Zorin OS logs in Nagios Log Server.

Prerequisites

Before you start, make sure you have the necessary items:

• Zorin OS device
• Administrative Privileges
• Nagios Log Server Instance
• Internet connection to download packages

Step 1: Install Rsyslog and SELinux

Update your system packages and install rsyslog and SELinux.

sudo apt update && sudo apt upgrade
sudo apt install rsyslog
sudo apt-get install selinux-utils

Enable and start Rsyslog.

sudo systemctl enable rsyslog
sudo systemctl start rsyslog

Step 2: Configure Rsyslog to Forward Logs

Open the Rsyslog configuration file in a text editor.

sudo nano /etc/rsyslog.conf

Add the following lines in the rsyslog configuration file and replace your_nagios_log_server_ip with the IP address of your Nagios Log Server.

. @@your_nagios_log_server_ip:5544

Save the changes and restart rsyslog.

sudo systemctl restart rsyslog

Step 3: Download and Run the Setup Script

Open your web browser to login to Nagios Log Server.

From this Home page, click the + Linux button to add the log source for Zorin OS.

On the Linux Source Setup page, run the script from the box below and copy the commands to download and run the setup script on your Zorin OS system to check the logs and then add your Zorin OS IP address to verify that the logs are being received.

curl -sS -O http://"your Nagios Log Server ip address"/nagioslogserver/scripts/setup-linux.sh

sudo bash setup-linux.sh -s "your Nagios Log Server ip address" -p 5544

After running the script, you should see a confirmation message.

Step 4: Verify Log Forwarding from you Zorin OS Machine

Check your Nagios Log Server dashboard to verify that logs are being received.

If your logs are not appearing, check the Rsyslog logs on your Zorin OS machine for any errors.

sudo tail -f /var/log/syslog

Conclusion

This concludes this guide on setting up Zorin OS logs in Nagios Log Server. You’ve successfully installed the necessary packages, configured log forwarding, created a custom filter, and started monitoring your logs. With this setup, you can efficiently manage and analyze your Zorin OS logs. If you have additional questions or other support-related questions, please visit us at our Nagios Support Forum, Nagios Knowledge Base, or Nagios Library.