The NETUtil Utility

ALLBASE/NET provides the NETUtil utility for creating and maintaining the AliasDB and NETUsers files that are discussed below. For complete descriptions of all the NETUtil commands, their syntax, and how they are used, refer to the "NETUtil Reference" chapter.

The AliasDB and NETUsers Files

For a user to connect to a remote DBEnvironment, two files must exist: the AliasDB file and the NETUsers file.

The AliasDB file resides on the client. The names of the server's DBEnvironments (the remote DBEs) are contained in this file. The AliasDB file has an alias profile for each alias name that corresponds to a DBEnvironment. The alias profile contains the following information:

Alias name that corresponds to a DBEnvironment on the server
Type of database management system being used on the server (ALLBASE/SQL)
Fully qualified file name of the DBEnvironment on the server
Node name of the server where the DBEnvironment is located
Machine type of the server
Type of data communication interface used

The NETUsers file resides on the server. It contains a user profile for each user on the client that has access to a DBEnvironment on the server. The user profile contains the following information:

Client node name
Client login name
Server login name for the client

You use the NETUtil utility on both the client and the server to add profiles to and maintain the AliasDB and NETUsers files. Additionally, users of DBEnvironments can use NETUtil to display the contents of the AliasDB file so that alias names of DBEnvironments can be checked or confirmed.

Figure 1-2 System Administrators Using NETUtil

Creating the AliasDB and NETUsers Files

After ALLBASE/SQL has been installed on both the client and the server, the AliasDB and NETUsers files must be created using NETUtil. Adding the first profile to the AliasDB or NETUsers file automatically creates the respective file. These profiles allow specified users on the client to access particular DBEnvironments on the server.

As system administrator on the client, you invoke NETUtil and use the ADD ALIAS command to add an alias profile to the AliasDB file. ADD ALIAS prompts you for details about the specific DBEnvironment to be accessed. Use ADD ALIAS to add more alias profiles to the AliasDB file as needed.

As system administrator on the server, you invoke NETUtil and use the ADD USER command to add a user profile to the NETUsers file. ADD USER prompts you for details about the specific user who will be accessing the remote DBEnvironment. Use ADD USER to add more user profiles to the NETUsers file as needed.

For step-by-step instructions to create the AliasDB and NETUsers files, refer to the "Setting Up ALLBASE/NET" chapter.

The NETUtil Utility

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The AliasDB and NETUsers Files

Creating the AliasDB and NETUsers Files