Ubuntu 24.10

How to Install Let's Encrypt SSL in Nginx on Ubuntu 24.10

To install Let's Encrypt SSL on Nginx on Ubuntu 24.10, follow these steps:

Step 1 : Ensure your domain is properly DNS configured for verification.

Step 2 : Update your system by running:

sudo apt update

Step 3 : Install Certbot and the Nginx plugin:

sudo apt install -y certbot python3-certbot-nginx

Step 4 : Create a configuration file for your domain:

sudo nano /etc/nginx/sites-available/example.devtutorial.io

- Add the configuration for the domain:

server {
    listen 80;
    server_name example.devtutorial.io;
    root /var/www/example.devtutorial.io;
    index index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }
}

Step 5 : Create the directory for your domain:

sudo mkdir -p /var/www/example.devtutorial.io

Then, create a sample index.html file in this directory.

Step 6 : Enable the Nginx configuration:

sudo ln -s /etc/nginx/sites-available/example.devtutorial.io /etc/nginx/sites-enabled/

Step 7 : Test the Nginx configuration:

sudo nginx -t

Step 8 : Restart Nginx to apply changes:

sudo systemctl restart nginx

Step 9 : Obtain the SSL certificate using Certbot:

sudo certbot --nginx -d example.devtutorial.io

- Enter your email address: (e.g., youremail@example.com)

- Agree to the terms of service: y

- Share your email address: y

- Certbot will confirm the successful installation.

Step 10 : Test automatic certificate renewal:

sudo certbot renew --dry-run

Step 11 : Visit your domain (e.g., https://example.devtutorial.io) to verify the SSL is working correctly.

Congratulations, you have successfully installed Let's Encrypt SSL on Nginx!