root@pc8:/srv/homes# systemctl status nfs-server
● nfs-server.service - NFS server and services
   Loaded: loaded (/lib/systemd/system/nfs-server.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sun 2022-03-06 16:46:44 EST; 31s ago
  Process: 24141 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=0/SUCCESS)
  Process: 24142 ExecStart=/usr/sbin/rpc.nfsd $RPCNFSDARGS (code=exited, status=1/FAILURE)
  Process: 24144 ExecStopPost=/usr/sbin/exportfs -au (code=exited, status=0/SUCCESS)
  Process: 24145 ExecStopPost=/usr/sbin/exportfs -f (code=exited, status=0/SUCCESS)
 Main PID: 24142 (code=exited, status=1/FAILURE)

Mar 06 16:46:44 pc8 systemd[1]: Starting NFS server and services...
Mar 06 16:46:44 pc8 rpc.nfsd[24142]: rpc.nfsd: writing fd to kernel failed: errno 111 (Connection refused)
Mar 06 16:46:44 pc8 rpc.nfsd[24142]: rpc.nfsd: unable to set any sockets for nfsd
Mar 06 16:46:44 pc8 systemd[1]: nfs-server.service: Main process exited, code=exited, status=1/FAILURE
Mar 06 16:46:44 pc8 systemd[1]: nfs-server.service: Failed with result 'exit-code'.
Mar 06 16:46:44 pc8 systemd[1]: Stopped NFS server and services.