barcode dll for vb.net Setting Up a Root Domain in Software

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The first step in creating a NIS+ namespace is to create the root master server for the new domain. Continuing with the example for the Panther.Edu. domain, you create the root master server for Panther.Edu. by using the nisserver command. The server will be known in DNS as ns.panther.edu. This command is used for most server configuration operations. In this case, you use the command
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ns.panther.edu# nisserver r d Panther.Edu.
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This creates a root domain master server without backward compatibility with NIS. To enable NIS support, you need to use the command
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ns.panther.edu# nisserver Y r d Panther.Edu.
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Populating Tables
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After you create the master root server for the Panther.Edu. domain on ns.panther.edu, the next step is to populate the NIS+ tables. To achieve this, you need to use the nispopulate command:
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ns.panther.edu# nispopulate F p /nis+files d Panther.Edu.
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This populates all the tables for the Panther.Edu. domain and stores the information on the master server. Again, if you need to support NIS, you need to include the Y option:
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ns.panther.edu# nispopulate Y F p /nis+files d Panther.Edu.
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Part VI:
Services, Directories, and Applications
To administer the NIS+ namespace, you need to add administrators to the admin group. You can achieve this by using the nisgrpadmin command. In the Panther.Edu. example, imagine that you have two administrators, michael and adonis. To add these administrators, use this command:
ns.panther.edu# nisgrpadm a admin.Panther.Edu. michael.Panther.Edu. adonis.Panther.Edu.
If you are satisfied with the configuration, then it is best to checkpoint the configuration by transferring the domain configuration information to disk copies of the tables. This can be achieved by using the nisping command:
ns.panther.edu# nisping C Panther.Edu.
Now that you have successfully created the root domain, you can create clients that will act as master and slave servers for the two subdomains in the Panther.Edu. root domain: Graduate.Panther.Edu. and Undergrad.Panther.Edu.
Setting Up Clients
To create master servers for the nonroot domain Undergrad.Panther.Edu., you first need to set up the client within a domain by using the nisclient command. For the host client1.panther.edu, which will become the master server for the nonroot domain, the command is
client1.panther.edu# nisclient i d Panther.Edu. h Ns.Panther.Edu
To actually set up the client s user within the domain, you can also use the nisclient command, when executed from a nonprivileged user s shell:
client1.panther.edu% nisclient u
If this was for the user maya, then maya would now be able to access the namespace. Next, you need to turn the client host you have initialized into a nonroot domain master server.
Setting Up Servers
After the root server is created, most organizations will want to create new master servers for each of the subdomains that form the domain. For example, in the Panther.Edu. domain, there are two subdomains: Undergrad.Panther.Edu. and Graduate.Panther.Edu. In this case, two clients must be created from the root master server and then converted to be servers. Initially, these are root server replicas, but their designation then changes to a nonroot master server for each of the subdomains. Replica servers for the subdomain master servers can also be enabled.
29:
Network Information Service (NIS/NIS+)
The following example designates two client machines, whose DNS names are client1.panther.edu and client2.panther.edu (recall that the master server for the root domain is ns.panther.edu). These two clients will actually become the master and slave servers for the subdomain Undergrad.Panther.Edu. To begin the server creation process, a similar approach is followed as for the creation of the master server for the root domain: 1. Start the rpc daemon on the client machine, which will become the master server for the nonroot domain:
client1.panther.edu# rpc.nisd
2. Convert the client1 server to a root replica server in the first instance, which ensures that the subdomain inherits the appropriate settings from the top-level domain:
ns.panther.edu# nisserver R d Panther.Edu. h client1.panther.edu
3. After replicating the settings from the root master server, the new nonroot master server is ready to begin serving the new subdomain. In this case, the root master server (ns.panther.edu) must delegate this authority explicitly to the master of Undergrad.Panther.Edu., which is client1.panther.edu:
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