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Unix Concepts
Domain Name Service
DNS Namespace
Top Level Domains (L3)
IP Address Name
DNS Zones
Name Servers
DNS Recursive Query
DNS Caching Only
Name Servers - Quiz
Resource Records
Zone File Generalities
Zone File Format
Resource Record Types
SOA Record
Domain Name Service
DNS Lookup
DNS Name Resolution
NSLookup Resource Records
NSLookup Command
Linux Bind
Name Server Configuration
NS File Example
DNS NSLookup Program
Configuring DNS
Configuring Dns Server
Dns Server Configuration
Dns Zone File
Preparing Zone Files
Named Boot File
Starting NameServer Process
Linux Dns Configuration
Unix NameServer Conclusion
Using Sendmail
Email Sendmail
Sendmail Agent
SendmailAgent Responsibilities
Smtp Sendmail
Compiling Sendmail
Configure M4 Sendmail
Running Troubleshooting Sendmail
Email Dns Relationship
Sendmail Program Conclusion
Network Information Service
Nis Unix Reasons
Nis Overview
Nis Maps
Nis Clients Servers
Integrating Nis System
Setting Up NisServices
Changing Nis Passwords
Change Server Maps
Troubleshooting Nis
Network Information Conclusion
Changing NIS Passwords - Exercise
NIS passwords
Objective
Start the password daemon and enable network users to change their passwords. This exercise uses a Java applet to simulate a UNIX command line and allows you to practice entering commands. If you do not have Java active in your browser or are behind a firewall that does not allow Java applets, you will not be able to complete this exercise. If you do not see the applet below, click
Submit
to review the solution to the exercise and continue with the course.
Exercise scoring
This exercise is not scored. When you have completed the exercise, click the
Submit
button to review the solution and continue with the course.
Instructions
In the last exercise, you saw how all NIS users did not have passwords. Now you’re going to solve this problem. In this exercise, you will complete the NIS setup by starting the password daemon and enabling network users to change their passwords. You will be doing this on a simulated Linux system, but the process and commands are essentially the same for other flavors of UNIX. Start the simulation below and work through the situation presented.