To install Piwik on CentOS 8, you can follow the steps below: 1. Log in to your CentOS 8 server via SSH. 2. Update the system using the command: ```html sudo dnf update ``` 3. Install Apache web server using the command: ```html sudo dnf install httpd ``` 4. Start and enable Apache to run on server boot: ```html sudo systemctl start httpd sudo systemctl enable httpd ``` 5. Install MariaDB (a MySQL database alternative) using the command: ```html sudo dnf install mariadb-server ``` 6. Start and enable MariaDB to run on server boot: ```html sudo systemctl start mariadb sudo systemctl enable mariadb ``` 7. Secure your MariaDB installation by running the following script: ```html sudo mysql_secure_installation ``` 8. Install PHP and required extensions using the command: ```html sudo dnf install php php-mysqlnd php-xml php-mbstring php-json php-gd php-opcache ``` 9. Edit the PHP configuration file to make necessary modifications. Open the file `/etc/php.ini` using a text editor and make the following changes: ```html upload_max_filesize = 20M post_max_size = 20M max_execution_time = 300 ``` 10. Save the changes and exit the text editor. 11. Restart Apache for the changes to take effect: ```html sudo systemctl restart httpd ``` 12. Download the latest version of Piwik using the command: ```html wget https://builds.piwik.org/piwik.zip ``` 13. Extract the downloaded zip file: ```html unzip piwik.zip ``` 14. Move the extracted Piwik files to the web server's document root directory: ```html sudo mv piwik /var/www/html ``` 15. Update the ownership of the Piwik files: ```html sudo chown -R apache:apache /var/www/html/piwik ``` 16. Create a virtual host configuration file for Piwik. Create a new file `/etc/httpd/conf.d/piwik.conf` and add the following content: ```html ServerName piwik.example.com DocumentRoot /var/www/html/piwik AllowOverride All Require all granted ErrorLog /var/log/httpd/piwik_error.log CustomLog /var/log/httpd/piwik_access.log combined ``` Replace `piwik.example.com` with your own domain name. 17. Save the changes and exit the text editor. 18. Restart Apache again to apply the virtual host configuration: ```html sudo systemctl restart httpd ``` 19. Open your web browser and navigate to your Piwik domain (e.g. `http://piwik.example.com`). Follow the on-screen instructions to complete the Piwik installation. Piwik is an open-source web analytics tool that allows you to collect, analyze, and report website statistics. It provides detailed information about your website visitors, their interactions with your site, and various other metrics to help you understand user behavior and improve site performance. With Piwik, you have full control over your data as it is self-hosted and respects user privacy.