[synology] renew a let's encrypt certificate.

Connecting synology-ssh-server as root.

if you want to connect to synology ssh server, you mush login ssh-server as admin first.


and then, change as root. type this.

$ sudo -i

Screen Shot 2017-08-14 at 11.40.24 AM

  • root password is same with admin password.

Screen Shot 2017-08-14 at 11.42.34 AM

you can sse that you did login as root. type following this.

$ /usr/syno/sbin/syno-letsencrypt renew-all -v

option -v is debug mode. so you can see a log list what does it happen.

Screen Shot 2017-08-14 at 11.45.09 AM

  • you have to open 80 port to renew certification.

in my case, cert is not expired. so i will do next time. 🙂 it’s done. thank you.

// this let you know to renew certification automatically.
cat /usr/syno/etc/letsencrypt/letsencrypt.default
// you can check when it started, and when it expired.
echo | openssl s_client -connect <ip address>:443 2>/dev/null | openssl x509 -noout -dates

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