Linux Programming Tutorials, Guides & Best Practices

To verify if Apache is installed and running correctly, open your browser and enter your server’s IP address:

http://your-server-ip

Alternatively, you can use an SSL checker tool like SSL Labs to verify the validity of your SSL installation.

Let's Encrypt certificates are valid for 90 days. Certbot sets up automatic renewal by default, but it’s good practice to manually test it to ensure it’s working:

Now that the directory is set up, you need to configure Apache to serve content from that directory when the subdomain is accessed.

   sudo nano /etc/apache2/sites-available/blog.example.com.conf

Replace https://github.com/username/your-flask-app.git with the URL of your repository.

python3 -m venv venv
source venv/bin/activate