Ubuntu 24.04

How to Install Let's Encrypt SSL in Apache on Ubuntu 24.04

To install Let's Encrypt SSL on Apache running on Ubuntu 24.04, follow the guide below.

Step 1 : Ensure Domain is DNS Resolvable for Verification

Ensure that your domain is correctly set up and resolves to the server's IP address.

Step 2 : Update System Packages

sudo apt update

Step 3 : Install Certbot and python3-certbot-apache

sudo apt install certbot python3-certbot-apache

Step 4 : Create Apache Configuration File

sudo nano /etc/apache2/sites-available/example.devtutorial.io.conf

Add the following configuration:

<VirtualHost *:80>
    ServerName example.devtutorial.io
    DocumentRoot /var/www/example.devtutorial.io
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

Step 5 : Create Directory and Index File

sudo mkdir -p /var/www/example.devtutorial.io
sudo nano /var/www/example.devtutorial.io/index.html

Add some content to the index.html file. For example:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Welcome to example.devtutorial.io</title>
</head>
<body>
    <h1>Welcome to example.devtutorial.io</h1>
    <p>This is the default landing page for your domain.</p>
</body>
</html>

Step 6 : Enable the Configuration

sudo a2ensite example.devtutorial.io.conf

Step 7 : Test Apache Configuration

sudo apache2ctl configtest

Step 8 : Restart Apache

sudo systemctl restart apache2

Step 9 : Obtain SSL Certificate

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

Follow the prompts:

- Enter your email address

- Agree to the terms of service

- Choose whether to share your email address

- Wait for the process to complete.

Step 10 : Test Certificate Renewal

sudo certbot renew --dry-run

Step 11 : Visit Your Domain to Verify SSL Installation

Congratulations! You have successfully installed Let's Encrypt SSL in Apache on Ubuntu 24.04.