Ganeti Cluster Keys Replacement when there is certificate issue: server certificate verification failed. CAfile: /var/lib/ganeti/server.pem: none
1. Copy server.pem before running this commands # cp /var/lib/ganeti/server.pem /home/expire.server.pem 2. To renew the individual node certificates, run this command: IF you have more than one node gnt-cluster renew-crypto --new-node-certificates 3. Run the following command to generate a new cluster-wide certificate: gnt-cluster renew-crypto --new-cluster-certificate