Web must delete certificat when change IP network and server?


Hi all,
I change my ip and os debian 8 to debian9.
I reset and format my serveur hdd, my serveur is in my home.
i not save my private key let’s encrypt.
I not have à old certificat let’s encrypt.
I must revoke certificat old serveur for use in my new server ?
if i must do it , how i cant revoke certificate, for revoke certificat, i juste need domaine ?
tank’s for reply.


No, you don’t have to revoke the old certificate.

You can just create a new one.


thank four reply, it’s simple.