Check what services a host is running

$ rpcinfo -p <hostname>
   program vers proto   port
    100000    2   tcp    111  portmapper
    100000    2   udp    111  portmapper
    100003    2   udp   2049  nfs
    100003    3   udp   2049  nfs
    100003    4   udp   2049  nfs
    100003    2   tcp   2049  nfs
...
...

See what NFS shares are available on host linkstation

$ showmount -e linkstation
Export list for linkstation:
/mnt/disk1/share *

See what Samba shares are available on host linkstation

$ smbclient -L linkstation
Password:
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.0.24]

        Sharename       Type      Comment
        ---------       ----      -------
        Share           Disk      Share
        root            Disk      Root
        IPC$            IPC       IPC Service (LinkStation)
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.0.24]
...
...

-- JesseSuen - 13 Sep 2007