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

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