NFS Mounting from Red Hat Enterprise Linux to Mac OS X

So this is what I had on the RHEL box: -

/etc/exports

/opt/IBM/WebSphere/AppServer *(rw,no_root_squash)

and this is I was seeing on the Mac: -

sudo mount -t nfs bpm855.uk.ibm.com:/opt/IBM/WebSphere/AppServer /tmp/nfs/

mount_nfs: can't mount /opt/IBM/WebSphere/AppServer from bpm855.uk.ibm.com onto /private/tmp/nfs: Operation not permitted

This post provided me with not ONE but TWO answers: -

Operation Not Permitted Mounting NFS Share on OS X Mountain Lion

which led me to Solution 1: -

sudo mount -t nfs -o resvport,rw bpm855.uk.ibm.com:/opt/IBM/WebSphere/AppServer /tmp/nfs/

and then Solution 2: -

/ettc/exports

/opt/IBM/WebSphere/AppServer    *(rw,no_root_squash,insecure)

sudo mount -t nfs bpm855.uk.ibm.com:/opt/IBM/WebSphere/AppServer /tmp/nfs/

which is nice.