Unit IV: System Administration

A Linux System Administrator takes care of computers running on the Linux operating systems. The professional will handle the support infrastructure, operating systems, virtual platforms, and applications. The administrator is responsible for the integrity and security of the servers and computer systems.

In this “System Administration - Linux” you will learn about following topics:

Root Login
Gaining Root Access in the Terminal
Unlocking the Root Account (Ubuntu)
Logging In As Root
Resetting the Root or Admin Password
Superuser (sudo)
History of sudo
Difference Between sudo and su
Configuration of Hardware with Kudzu
Configure Modules
Finding Available Modules
Finding Available Modules
Loading Modules
Removing Modules
Checking System Space
More about the df Command
More about the du Command
Monitoring System Performance
Working with File System
Working With Files and Folders
Determining The Type Of A File
Listing the Contents of a Directory
Creating a Directory
Removing an Empty Directory
Removing Any Directory
Creating Files
Copying Files and Directories
Coping a Directory
Moving and Renaming Files and Directories
Removing Files
Absolute and Relative Path

========== Point to Note ==========

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