You try to start the NFS service with a command like this: sudo systemctl start nfs.service
However you get an error like this: "Failed to start nfs.service: Transaction order is cyclic. See system logs for details. See system logs and 'systemctl status nfs.service' for details."
Possible Solution #1
Modify the /etc/fstab file. Is it corrupt? You may need to remove recently added entries and reboot the server.
Possible Solution #2
You may want to look at the system file for nfs.service. Was it recently modified? You may want to add this stanza: