Before installing software, you must secure the environment. Using the "root" user for daily tasks is risky; instead, create a with administrative privileges (sudo).
Configure a firewall—like UFW (Uncomplicated Firewall)—to block all incoming traffic except for essential ports like SSH (22), HTTP (80), and HTTPS (443). 3. Keeping Software Current
To make your server accessible to the public, you must point your domain’s to your VPS IP address. Finally, encrypt your traffic. Tools like Certbot (Let’s Encrypt) provide free SSL certificates, ensuring that data moving between your users and the server remains private. Conclusion