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Certbot Development Tutorials, Guides & Insights

Unlock 4+ expert-curated certbot tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your certbot skills on DeveloperBreeze.

Renaming a subdomain in Apache and generating a new SSL certificate

Tutorial November 07, 2024
bash

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

Make the necessary changes, save, and close the file. Repeat this step for the new.example.com-le-ssl.conf file as well.

How to Create SSL for a Website on Ubuntu

Tutorial October 21, 2024
bash

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:

Adding a Subdomain on an Apache Server

Tutorial August 21, 2024

   sudo systemctl reload apache2

To verify that everything is working correctly, you can create a simple index.html page in the subdomain’s directory.

Deploying a Flask Application on a VPS Using Gunicorn and Nginx

Tutorial August 03, 2024
python bash

sudo tail -f /var/log/nginx/access.log
sudo tail -f /var/log/nginx/error.log
sudo journalctl -u developerbreeze.service -f