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System Administration Guide: Network Services
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Part I Network Services Topics

1.  Network Service (Overview)

2.  Managing Web Cache Servers

3.  Time-Related Services

Part II Accessing Network File Systems Topics

4.  Managing Network File Systems (Overview)

What's New With the NFS Service

Changes in the Solaris 10 11/06 Release

Changes in the Solaris 10 Release

NFS Terminology

NFS Servers and Clients

NFS File Systems

About the NFS Service

About Autofs

Features of the NFS Service

NFS Version 2 Protocol

NFS Version 3 Protocol

NFS Version 4 Protocol

Controlling NFS Versions

NFS ACL Support



Overview of NFS Over RDMA

Network Lock Manager and NFS

NFS Large File Support

NFS Client Failover

Kerberos Support for the NFS Service

WebNFS Support

RPCSEC_GSS Security Flavor

Solaris 7 Extensions for NFS Mounting

Security Negotiation for the WebNFS Service

NFS Server Logging

Autofs Features

5.  Network File System Administration (Tasks)

6.  Accessing Network File Systems (Reference)

Part III SLP Topics

7.  SLP (Overview)

8.  Planning and Enabling SLP (Tasks)

9.  Administering SLP (Tasks)

10.  Incorporating Legacy Services

11.  SLP (Reference)

Part IV Mail Services Topics

12.  Mail Services (Overview)

13.  Mail Services (Tasks)

14.  Mail Services (Reference)

Part V Serial Networking Topics

15.  Solaris PPP 4.0 (Overview)

16.  Planning for the PPP Link (Tasks)

17.  Setting Up a Dial-up PPP Link (Tasks)

18.  Setting Up a Leased-Line PPP Link (Tasks)

19.  Setting Up PPP Authentication (Tasks)

20.  Setting Up a PPPoE Tunnel (Tasks)

21.  Fixing Common PPP Problems (Tasks)

22.  Solaris PPP 4.0 (Reference)

23.  Migrating From Asynchronous Solaris PPP to Solaris PPP 4.0 (Tasks)

24.  UUCP (Overview)

25.  Administering UUCP (Tasks)

26.  UUCP (Reference)

Part VI Working With Remote Systems Topics

27.  Working With Remote Systems (Overview)

28.  Administering the FTP Server (Tasks)

29.  Accessing Remote Systems (Tasks)

Part VII Monitoring Network Services Topics

30.  Monitoring Network Performance (Tasks)



NFS Terminology

This section presents some of the basic terminology that must be understood to work with the NFS service. Expanded coverage of the NFS service is included in Chapter 6, Accessing Network File Systems (Reference).

NFS Servers and Clients

The terms client and server are used to describe the roles that a computer assumes when sharing file systems. Computers that share their file systems over a network are acting as servers. The computers that are accessing the file systems are said to be clients. The NFS service enables any computer to access any other computer's file systems. At the same time, the NFS service provides access to its own file systems. A computer can assume the role of client, server, or both client and server at any particular time on a network.

Clients access files on the server by mounting the server's shared file systems. When a client mounts a remote file system, the client does not make a copy of the file system. Rather, the mounting process uses a series of remote procedure calls that enable the client to access the file system transparently on the server's disk. The mount resembles a local mount. Users type commands as if the file systems were local. See Mounting File Systems for information about tasks that mount file systems.

After a file system has been shared on a server through an NFS operation, the file system can be accessed from a client. You can mount an NFS file system automatically with autofs. See Automatic File System Sharing and Task Overview for Autofs Administration for tasks that involve the share command and autofs.

NFS File Systems

The objects that can be shared with the NFS service include any whole or partial directory tree or a file hierarchy, including a single file. A computer cannot share a file hierarchy that overlaps a file hierarchy that is already shared. Peripheral devices such as modems and printers cannot be shared.

In most UNIX system environments, a file hierarchy that can be shared corresponds to a file system or to a portion of a file system. However, NFS support works across operating systems, and the concept of a file system might be meaningless in other, non-UNIX environments. Therefore, the term file system refers to a file or file hierarchy that can be shared and be mounted with NFS.