How do I renew Certbot certificate Letsencrypt?

Answered by Willian Lymon

To renew your Let’s Encrypt certificates using Certbot, there are a few different commands you can use depending on your specific needs.

1. The simplest way to renew all your certificates is by running the following command:
Sudo certbot renew
This command will automatically attempt to renew all the certificates managed by Certbot that are due for renewal. It checks the expiration dates of the certificates and renews them if they are within 30 days of expiration.

2. If you have multiple certificates for different domains and you want to renew a specific certificate, you can use the `certonly` command with the `–force-renew` flag and specify the domain:
Certbot certonly –force-renew -d
Replace `` with the domain for which you want to renew the certificate. This command will force the renewal of the specified certificate, even if it is not yet due for renewal.

3. If you want to test the renewal process without actually renewing the certificates, you can use the `–dry-run` flag with the `renew` command:
Sudo certbot renew –dry-run
This command will simulate the renewal process and provide you with information about whether the renewal would have been successful or not. It is useful for testing and troubleshooting before actually renewing the certificates.

It’s important to note that Certbot will automatically attempt to renew your certificates periodically, typically twice a day. However, it is recommended to set up a cron job to run the renewal command regularly, so that you don’t have to rely solely on Certbot’s automated renewal process. This ensures that your certificates are always up to date and avoids any potential issues with expiration.

Additionally, it’s worth mentioning that Certbot requires root or sudo access to renew certificates, so make sure to run the commands with appropriate privileges.

Renewing Let’s Encrypt certificates with Certbot is a straightforward process, and with the provided commands, you can easily manage the renewal of your certificates.