NFS setting error in Ubuntu 8.10

[Tom H]

On Mon, Nov 2, 2009 at 11:23 PM, Tom H <tomh0665 at gmail.com> wrote:

> On Sun, Nov 1, 2009 at 9:49 AM, loody <miloody at gmail.com> wrote:

>> I sudo apt-get install nfs-kernel-server, nfs-user-server and nfs-common.
>> After config /etc/exports as I need, I execute "nfs-kernel-server
>> restart", but I cannot see any message show out.
>> then I execute "showmount -e localhost" and I cannot see any files shared out.

>> below are my outputs:
>> # /etc/init.d/nfs-kernel-server restart
>> # showmount -e localhost
>> portmap getport: RPC: Success
>> #

>> if I execute "nfs-user-server restart", I can see my sharing folders as below:
>> # /etc/init.d/nfs-user-server restart
>> Stopping NFS servers: mountd nfsd.
>> Starting NFS servers: nfsd mountd.
>> # showmount -e localhost
>> Export list for localhost:
>> /media/test_NFS      *
>> #

>> but I cannot mount it from another Ubuntu.
>> my questions are:
>> 1. what is difference between "nfs-kernel-server" and "nfs-user-server"?
>> 2. why my nfs-kernel-server doesn't show anything? did I miss something?
>> 3. are there any additional commands or packages can help me to find
>> out what's wrong?

> 1. nfs-user-server runs in user-space. It was replaced by unfs in
> Jaunty. It is less reliable and is limited to nfsv2. It also has other
> limitations when compared to nfs-kernel-server but I have forgotten
> them.

> 2. I am surprised that you are able to install them both. I thought
> that they were incompatible. I would uninstall nfs-user-server, set up
> nfs-kernel-server again, and make sure that all the relevant services
> are running (if you want to use nfs-kernel-server). With
> nfs-user-server, you might need to force an nfsv2 mount on your
> client.

> 3. "rpcinfo -p nfs_server" and "nmap -n -sT nfs_server"

Forgot, on nfs_server, "netstat -ntulp"