If certbot a domain at 2020-01-01 and then --expand a new domain at 2020-01-15. So when to renew my certificate? Is it 2020-03-01? Auto renew system still work?
At 2020-01-01 # sudo certbot --nginx -d www.example.com
At 2020-01-15 # sduo certbot --expand -d example.com
You can check all active certs and the time remaining through the command:
certbot certificates
these
are not renew commands, never use such commands to renew.
Read required basics:
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