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Ssl Certificate Development Tutorials, Guides & Insights

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Renaming a subdomain in Apache and generating a new SSL certificate

Tutorial November 07, 2024
bash

To keep things organized, you can remove the old SSL certificate for old.example.com if it’s no longer needed.

Use Certbot’s delete command:

How to Create SSL for a Website on Ubuntu

Tutorial October 21, 2024
bash

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:

sudo certbot renew --dry-run