The only nfs server package I can find is nfs-kernel-server. It doesen't work.
My /etc/exports:
/home/tc 192.168.1.0/24(rw,no_subtree_check,no_root_squash,async)
$ sudo service nfs-kernel-server start
Exporting directories for NFS kernel daemon....
Starting NFS kernel daemon: nfsdrpc.nfsd: unable to resolve ANYADDR:nfs to inet address: Servname not supported for ai_socktype
rpc.nfsd: unable to resolve ANYADDR:nfs to inet6 address: Servname not supported for ai_socktype
rpc.nfsd: unable to set any sockets for nfsd
failed!