An administrator of a Linux system that is configured to share its file
systems using NFS has to perform the following tasks to set up NFS:
1. Set up the network. If a LAN or other network link is already connecting the computers
on which you want to use NFS, you already have the network you need.
2. Choose what to share on the server. Decide which file systems on your Linux NFS
server to make available to other computers. You can choose any point in the file system
and make all files and directories below that point accessible to other computers.
3. Set up security on the server. You can use several different security features to suit the
level of security with which you are comfortable. Mount-level security lets you restrict the
computers that can mount a resource and, for those allowed to mount it, lets you specify
whether it can be mounted read/write or read-only. With user-level security, you map users
from the client systems to users on the NFS server so that they can rely on standard Linux
read/write/execute permissions, file ownership, and group permissions to access and protect
files. Linux systems that support Security Enhanced Linux (SELinux), such as Fedora
and Red Hat Enterprise Linux, offer another means of offering or restricting shared NFS
files and directories.
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