I have to migrate a website that already has an SSL certificate Let`s Encrypt. I am wondering if I can migrate the certificate when I have not yet changed the DNS to point to the new server.
I would work on the new server modifying my hosts file.
Is it possible to have the same let’s encrypt certificate for a domain on two different servers?
Yes, that's no problem at all. Just make sure you transfer the private key securely, for example, through SSH (and with that scp for example).
Ok, Do you know if the scenario I propose will work?
Migrate my website to another server and modify my hosts to point the IP of the new server.
So I can only work and when I have everything ready to change the DNS permanently
Should work, yes. Certificates are only “linked” to the hostnames they contain. Not to an IP address or server. And it doesn’t matter if a certificate is duplicated.
Forgive my ignorance, but would it also be valid if I upload them compressed to G drive and then download them to the new server?
G drive = Google Drive? I’m pretty sure Google can read the contents too. In my opinion that’s not a safe method.
Unless your compression mechanism had a good and strong encryption method perhaps.
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