Manual renew of Let’s encrypt certificate on Synology NAS
- DNS A record for the domain name you use which points to your WAN IP address.
- Temporary open port 80 and forward port 80 to the IP of your Synology NAS.
- Make sure the Web Server is running.
- SSH Enabled
Login via SSH, switch to super user (SU)
sudo su -
syno-letsencrypt renew-all -vv
If succesfull, the following message will be showed DEBUG: renew success.