How to Install Let's Encrypt SSL in Apache on Rocky Linux 9

To install Let's Encrypt SSL in Apache on Rocky Linux 9, follow the steps below.

Step 1 : Ensure the domain is configured in DNS for verification.

Step 2 : Update your system using the following command:

sudo dnf update

Step 3 : Install Certbot and the Apache plugin for Certbot:

sudo dnf install certbot python3-certbot-apache

Step 4 : Create a configuration file for your domain (e.g., example.devtutorial.io):

sudo nano /etc/httpd/conf.d/example.devtutorial.io.conf

Add the following lines, replacing "example.devtutorial.io" with your domain:

<VirtualHost *:80>
    ServerAdmin webmaster@devtutorial.io
    DocumentRoot /var/www/html/example.devtutorial.io
    ServerName example.devtutorial.io

    ErrorLog /var/log/httpd/example.devtutorial.io_error.log
    CustomLog /var/log/httpd/example.devtutorial.io_access.log combined

    <Directory /var/www/html/example.devtutorial.io>
        AllowOverride All
    </Directory>
</VirtualHost>

Step 5 : Create the directory for your domain and an index.html file:

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

Add some content to index.html.

Step 6 : Restart Apache:

sudo systemctl restart httpd

Step 7 : Obtain an SSL certificate using Certbot:

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

- Enter your email address.

- Agree to the terms of service by entering "y".

- Share your email address by entering "y".

- Wait for Certbot to complete successfully.

Step 8 : Test the certificate renewal process:

sudo certbot renew --dry-run

Step 9 : Visit your domain in a web browser to check the SSL installation.

Congratulations, you have successfully installed Let's Encrypt SSL in Apache on Rocky Linux 9.