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I have been getting cert expiration/renewal messages for a server that is presently down (due to a failed UPS). The problem is that this server is at a remote site and I won’t be able to get to it for a while. It is a non-critical server, used mainly for personal note taking, so its failure is not an operational problem, but it will not be put back on the air for several days to weeks, when I can travel to the site to fix whatever ails it.
It uses certbot which has been working well until the power supply failed, (all the stuff plugged into the commercial mains is, naturally working…oh the irony of it). Will I need to start from scratch, and rebuild the certs, or can the be renewed after expiration? It’s been a long time since I paid any attention to this area as things just seemed to be working well.
A renewal is really a new certificate issuance in general, so you won’t have a problem renewing after expiration. The renewal command just simplifies the process by using the same settings as the initial issuance.