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System Administration Guide: Naming and Directory Services (NIS+)
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Document Information


Part I About Naming and Directory Services

1.  Name Service Switch

Part II NIS+ Setup and Configuration

2.  NIS+: An Introduction

3.  NIS+ Setup Scripts

4.  Configuring NIS+ With Scripts

5.  Setting Up the NIS+ Root Domain

6.  Configuring NIS+ Clients

7.  Configuring NIS+ Servers

8.  Configuring an NIS+ Non-Root Domain

9.  Setting Up NIS+ Tables

Part III NIS+ Administration

10.  NIS+ Tables and Information

11.  NIS+ Security Overview

12.  Administering NIS+ Credentials

13.  Administering NIS+ Keys

14.  Administering Enhanced NIS+ Security Credentials

15.  Administering NIS+ Access Rights

16.  Administering NIS+ Passwords

17.  Administering NIS+ Groups

18.  Administering NIS+ Directories

19.  Administering NIS+ Tables

20.  NIS+ Server Use Customization

NIS+ Servers and Clients

Default NIS+ Client Search Behavior

Designating NIS+ Preferred Servers

NIS+ Over Wide Area Networks

Optimizing NIS+ Server Use

nis_cachemgr Is Required

NIS+ Global Table or Local File

NIS+ Preference Rank Numbers

Default NIS+ Server Preferences

Efficiency and NIS+ Server Preference Numbers

Preferred-Only NIS+ Servers and All Servers

Viewing NIS+ Preferences

NIS+ Server and Client Names

NIS+ Server Preferences

When NIS+ Server Preferences Take Effect

Using the nisprefadm Command

Viewing NIS+ Machine Preferences

How to View Preferences for an NIS+ Server

How to View Preferences for an NIS+ Machine

How to View Global Preferences for an NIS+ Machine

How to View Global Preferences for an NIS+ Subnet

Specifying NIS+ Preference Rank Numbers

Specifying NIS+ Global Server Preferences

How to Set Global Preferences for an NIS+ Subnet

How to Set Global Preferences for an Individual NIS+ Machine

How to Set Global Preferences for a Remote NIS+ Domain

Specifying Local NIS+ Server Preference

How to Set Preferences on a Local NIS+ Machine

Modifying NIS+ Server Preferences

How to Change an NIS+ Server's Preference Number

How to Replace One NIS+ Server With Another in a Preference List

How to Remove NIS+ Servers From Preference Lists

Replacing an Entire Preferred Server List in NIS+

Specifying Preferred-Only Servers in NIS+

How to Specify Preferred-Only Servers in NIS+

How to Revert to Using Non-Preferred Servers in NIS+

Ending Use of Server Preferences in NIS+

Eliminating Local Server Preferences in NIS+

How to Switch From Local to Global Subnet Preferences in NIS+

How to Switch From Local to Machine-Specific Global Preferences in NIS+

How to Stop a Machine From Using Any Server Preferences in NIS+

Putting NIS+ Server Preferences Into Immediate Effect

21.  NIS+ Backup and Restore

22.  Removing NIS+

23.  Information in NIS+ Tables

24.  NIS+ Troubleshooting

A.  NIS+ Error Messages

About NIS+ Error Messages

Common NIS+ Namespace Error Messages

B.  Updates to NIS+ During the Solaris 10 Release

Solaris 10 and NIS+



NIS+ Servers and Clients

When client machines, users, applications, or processes need NIS+ information, they seek an active NIS+ server (master or replica) from which to get the needed data. On large networks, networks with many subnets, and networks that span wide-area links, you may be able to improve NIS+ performance by customizing server usage.

Default NIS+ Client Search Behavior

By default, if no server preferences have been set with the nisprefadm command, a client will first try to obtain the information it needs from an NIS+ server on the client's local subnet. If the client finds an active server on the local subnet, it obtains the information it needs from the first local server that responds. If no server is available on the local subnet, the client searches outside the local subnet, and obtains the NIS+ information it needs from the first remote server that responds.

On large, busy networks, this default search behavior may reduce NIS+ performance for one of two reasons:

Designating NIS+ Preferred Servers

The Solaris release contains a new feature – server-use customization – that allows you to control the order in which clients search for NIS+ servers.

With this new feature you can balance and customize server usage by:

The search criteria that you specify can be applied to all clients within a domain, all clients on a subnet, or to individual clients on a machine-by-machine basis.

Note - When server-use preferences are set for a particular machine, those preferences apply to all users, applications, processes, or other clients running on that machine. You cannot set different server-use patterns for different clients on the same machine.