Certbot Development Tutorials, Guides & Insights
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Renaming a subdomain in Apache and generating a new SSL certificate
sudo certbot delete --cert-name old.example.comThis will remove the certificate files associated with old.example.com.
How to Create SSL for a Website on Ubuntu
Save the file and restart Nginx:
sudo systemctl restart nginxAdding a Subdomain on an Apache Server
If you want your subdomain to be served over HTTPS, you need to install an SSL certificate. You can obtain a free SSL certificate from Let’s Encrypt.
sudo apt-get install certbot python3-certbot-apacheDeploying a Flask Application on a VPS Using Gunicorn and Nginx
sudo apt install certbot python3-certbot-nginxsudo certbot --nginx -d developerbreeze.com -d www.developerbreeze.com