Synology and Let's Encrypt - Auto Renew Certificate Script

Rédigé par Benoit 1 commentaire
Classé dans : Web, Système, Security, Synology Mots clés : let's encrypt, synology, script, auto, renew


  • Open your 443 port in the direction to your synology server.



You have a command to renew in CLI the certificate manually:

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

-v is for verbose

So, you just have to create a bash file and include this command in it

For example create it in this repository :


Then create a bash file " " for example :

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


Go to the synology admin webpage

Open "Control Panel > Task Scheduler"

Then create a user defined script

Add your script in the task settings pane.

Schedule it to renew every 3 months :)


Useful links

Based on this website post: Manually Renewing Let’s Encrypt Certificates on a Synology NAS

Inspired by this other post: Update: Let's Encrypt & Synology DSM 6.X


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