Letsencrypt – Create Multiple SSL

If you need a multi-domain certificate, Letsencrypt can easily support it.

First you have to make domain same server Then start to below progress.

Cleaning up challenges
Problem binding to port 80: Could not bind to IPv4 or IPv6.

$ sudo apachectl stop
$ sudo certbot-auto certonly -d itka.kr -d www.itka.kr -d www.asecurity.so -d asecurity.so

Renewing an existing certificate
Performing the following challenges:
http-01 challenge for asecurity.so
http-01 challenge for www.itka.kr
http-01 challenge for www.asecurity.so
http-01 challenge for itka.kr
Waiting for verification…
Cleaning up challenges

IMPORTANT NOTES:

• Congratulations! Your certificate and chain have been saved at:
  /etc/letsencrypt/live/asecurity.so/fullchain.pem
  Your key file has been saved at:
  /etc/letsencrypt/live/asecurity.so/privkey.pem
  Your cert will expire on 2019-03-12. To obtain a new or tweaked
  version of this certificate in the future, simply run certbot-auto
  again. To non-interactively renew all of your certificates, run
  “certbot-auto renew”
• If you like Certbot, please consider supporting our work by: Donating to ISRG / Let’s Encrypt: https://letsencrypt.org/donate
  Donating to EFF: https://eff.org/donate-le

Support EFF's Work on Let's Encrypt

$ sudo apachectl start