RedhatLinuxSysAdmin 





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Lesson 1

Introduction to Administering Linux Serial and Networking Devices

Connecting to other computers and networks is one of the most powerful aspects of computing. Without external access, basic functions such as email and file sharing cannot be performed. To enable users to access information available outside their local machines, Linux supports communication with other computers over telephone lines and networks.
In this module, you will learn how to enable and update serial and non-serial devices using Linux commands and utilities, including the setserial command, the getty program and its variants, and the Network Configurator.
You will also investigate differences between serial and non-serial devices in support, configuration, and use.


Module objectives
After completing this module, you will be able to:
  1. Describe some of the serial devices supported by Red Hat Linux
  2. Configure and use serial ports
  3. Define a modem's role in a Linux system
  4. Describe the rationale for using multiple network interface cards
  5. Load the correct NIC modules into the kernel to enable multiple network interface cards
  6. Use the Network Configurator tool to enable multiple network interface cards
The next lesson describes some of the serial devices supported by Red Hat Linux.