showmount

Show exports

$ showmount -e [server]

$ showmount -d [server]

$ showmount -a [server]

$ showmount -e

$ showmount --no-headers -e [server]

showmount [-e] [-d] [-a] [options] [host]

showmount queries an NFS server's mount daemon to display information about exported filesystems and active mounts. The -e option lists all exported directories along with their access permissions and allowed client hosts, which is the most common usage for discovering available NFS shares.
The -d option shows only directories that are currently mounted by clients, while -a displays all active mount points as host:directory pairs, useful for auditing NFS usage and identifying connected clients. Without a host argument, the command queries the local machine's NFS server.

-e, --exports

Show exports.

Show mounted directories.

Show all mount points.

Suppress headers.

Show version.

Requires rpcbind/portmapper. Firewalls may block queries. NFSv4 may not report all info.

showmount is part of NFS utilities dating to original NFS implementations. It provides essential information for NFS administration.

mount(8), exports(5), nfsd(8)