Avocent Cyclades ACS Service Manual download pdf (Page 45)

Chapter 3: Security 37

• Load a key for the local “root” user accessed by [email protected]/home/key.

security> loadkey username <username> url <url>

security> loadkey username root url [email protected]/home/key

• Activate and save your configuration.

NIS Client

NIS (Network Information System) provides generic client-server database access facilities that

can be used to distribute information. This makes the network appear as a single system, with the

same accounts on all hosts. The objective of this feature is to allow the administrator to manage

console server accounts on an NIS server.

The NIS client feature requires the files and commands listed in Table 3.4.

NIS Client Configuration

1. Run the command domainname. Make sure that you have the NIS domain name set.

# domainname [NIS domain name]

Show or set the system's NIS/YP domain name, for example:

# domainname avocent mycompany-nis

2. Edit the /etc/yp.conf file. Configure the NIS server. For example, if the NIS server has the IP

address 192.168.160.110, add the following line to the file.

Table 3.4: NIS Client Requirements

File/Command Description

/etc/yp.conf This file contains the configuration used by ypbind.

/etc/domainname.conf This file contains the NIS domain name (set by the command

domainname).

/usr/sbin/ypbind Finds the server for NIS domains and maintains the NIS

binding information.

/usr/bin/ypwhich Returns the name of the NIS server that supplies the NIS services.

/usr/bin/ypcat Prints the values of all keys from the NIS database specified by

map name.

/usr/bin/ypmatch Prints the values of one or more keys from the NIS database

specified by map name.

/usr/sbin/domainname Shell script to read/write the NIS domain name.

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Avocent Cyclades ACS Service Manual Page 45