Netdata is a real-time performance monitoring tool that provides insights into various system metrics. In this guide, we will walk through the steps to install Netdata on AlmaLinux 8 and set it up to be accessible via Nginx.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo dnf update

Step 2: Install Required Dependencies

Install the necessary packages for building Netdata:

sudo dnf install -y git autoconf automake gcc gcc-c++ make zlib-devel

Step 3: Clone the Netdata Repository

Clone the Netdata repository from GitHub:

git clone https://github.com/netdata/netdata.git --depth=100

Navigate to the Netdata directory:

cd netdata

Step 4: Install Netdata

Run the installation script:

sudo ./netdata-installer.sh

This script will automatically configure and install Netdata.

Step 5: Start Netdata

Netdata should start automatically after installation. You can check its status using:

sudo systemctl status netdata

Step 6: Install Nginx

If you haven't installed Nginx yet, you can do so with the following command:

sudo dnf install -y nginx

Step 7: Configure Nginx for Netdata

Create a new Nginx configuration file for Netdata:

sudo nano /etc/nginx/conf.d/netdata.conf

Add the following configuration:

server {
        listen 80;
        server_name your_domain_or_ip;

        location / {
            proxy_pass http://localhost:19999;
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }
    }

Replace your_domain_or_ip with your actual domain name or IP address.

Step 8: Test Nginx Configuration

Test the Nginx configuration for syntax errors:

sudo nginx -t

If the test is successful, restart Nginx:

sudo systemctl restart nginx

Step 9: Access Netdata

You can now access the Netdata dashboard by navigating to:

http://your_domain_or_ip

You should see the Netdata dashboard displaying real-time metrics.

Conclusion

You have successfully installed Netdata on AlmaLinux 8 and configured it to be accessible through Nginx. This setup allows you to monitor your system performance effectively.

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