How to Fix 'The error was: NoInstallationError("Could not find a usable 'nginx' binary. Ensure nginx exists, the binary is executable, and your PATH is set correctly.",)'

Fixing certbot renew --nginx NoInstallationError in crontab by adding /usr/sbin to PATH.

[Let's Encrypt] Solution When 'Cert not yet due for renewal' Message Occurs with certbot renew

Understanding certbot renew's 'Cert not yet due for renewal' message and when to actually run manual renewal.

[Let's Encrypt] How to Fix certbot renew Error: Could not bind TCP port 443 because it is already in use by another process on this system

Fixing certbot renew's port 443 conflict by using the --nginx plugin option — no Nginx stop, no downtime.