bash Errors

2 error patterns

Let's Encrypt Rate Limit Exceeded

Let's Encrypt.*rate limit.*too many certificates

•Wait 7 days for rate limit reset
•Use staging environment for testing: --staging flag

Let's Encrypt DNS Challenge Failed

certbot.*challenge failed.*NXDOMAIN

•Verify DNS TXT record is propagated with dig
•Wait for DNS propagation (--dns-propagation-seconds)