apt install nfs-kernel-server cd /usr/share mkdir nfs-shared chmod 757 nfs-shared echo "/usr/share/nfs-shared/ <IP_client>(rw,root_squash)" >> /etc/exports service nfs-kernel-server reload
Go to Datacenter → Storage→ Add → NFS
You can now use the shared NFS filesystem.
If you want to allow other clients to use nfs sharing, add
/usr/share/nfs-shared/ <IP_other_client>(rw,root_squash) in