SSL Certificate Using Let's Encrypt for Ubuntu

Automated creation, renewing of certificates is provided by software called certbot.

To view a list of the certificates Certbot knows about, run the certificates subcommand:

$> certbot certificates

Deleting certificates

$> certbot delete --cert-name example.com

Install Certificates Using Apache

$> sudo certbot --apache -d example.in -d www.example.in

Expand Certificates

$> certbot --expand -d example.com -d www.example.com -d example.in -d www.example.in

Update Certificates for apache

$> certbot --apache

Renew Certificates

$> certbot renew

Delete a domain from the certificate

$> certbot delete --cert-name www.example.com

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https://certbot.eff.org/docs/
https://certbot.eff.org/docs/using.html#getting-certificates-and-choosin...
https://certbot.eff.org/docs/using.html#re-creating-and-updating-existin...
https://www.linode.com/docs/security/ssl/install-lets-encrypt-to-create-...