Renew certificate

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
At 2020-01-15 # sduo certbot --expand -d

You can check all active certs and the time remaining through the command:

certbot certificates

Hi @chenyunda218


are not renew commands, never use such commands to renew.

Read required basics:

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