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How to Automatically Renew Let’s Encrypt SSL Certs with Certbot on Ubuntu 🔐

  • Automating Let’s Encrypt SSL certificate renewal with Certbot on Ubuntu is a seamless process for developers.
  • Certbot is preferred for its free service, reliability, and automatic renewal features, allowing developers to focus on coding.
  • The initial step involves installing Certbot with simple commands on Ubuntu.
  • To obtain the SSL certificate, developers can use Certbot's command specifying the domain names.
  • Certbot also has a timer that triggers auto-renewal, ensuring certificates are updated before expiry.
  • Old-school cron can be used instead of the timer by disabling it and setting up a cron job for renewal.
  • Hooks can be utilized to automate stopping and starting services during certificate renewal.
  • A bash script example is provided for automating the certificate renewal process and handling related tasks.
  • Important to test automation periodically and backup certificates for uninterrupted service.

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