NFS Shares between Ubuntu 12.04 and Mac OSX 10.8

Mounting NFS volumes between Ubuntu and Mac OS X 10.8 was a problem for weeks, I started using SMB shares as I couldn’t get both systems live in harmony! But today fiddling with zillion different configurations in both sides I got Mac OS X to accept my NFS exports from Ubuntu 12.04. This is how I got it working….

First you need to export directories from Ubuntu end, so you may need nfs-kernel-server package installed in the ubuntu system.

sudo apt-get install nfs-kernel-server

Then edit /etc/exports file as root. Normally, you would

sudo nano /etc/exports

Then add whatever directory you wanna share to the Mac OS X (or any NFS compatible computer). Here, I have shared my Projects directory under /home/purinda (my Home directory).

/home/purinda/Projects *(rw,async,insecure,all_squash,no_subtree_check,anonuid=1001,anongid=1001)

To exit nano after saving your changes, use Control+O to save the file and Control+X to exit.

Lets go through each settings to understand what it does,

“/home/purinda/Projects” is what you are sharing with others.

* represents that you’re sharing it with any client machine, usually for security reasons you may want to put something line “192.168.1.10/32″ without quotes to share it only with a single client, or “192.168.1.0/24″ to share it to all clients in your Class C network. I am * (any) as the machine I am working on is a virtual machine and only exposed to the host computer and other VMs in the virtual network.

manual page for ‘exports’ (`man exports`) gives a good explanation.

Once you have edited the exports file correctly. You can restart nfsd (nfs server daemon) using

sudo service nfs-kernel-server reload

You can also use following command to export new shared directories, whenever you make changes to your exports file,

sudo exportfs -ra

To mount it, on the Mac get a terminal and type (change host and directory path to suit your requirement)

mount -t nfs -o nfsvers=2 192.168.56.2:/home/purinda/Projects /Volumes/Projects/

‘nfsvers=2′ option is important for mac osx and ubuntu to be compatible with each other.

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