Linux Essential

Learning Materials: Linux Essentials Table of Contents Topic 1: The Linux Community and a Career in Open Source 1.1 Linux Evolution and Popular Operating Systems 1.1 Lesson 1 Introduction Distributions Embedded Systems Linux and the Cloud Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 1.2 Major Open Source Applications 1.2 Lesson 1 Introduction Software Packages Package Installation Package Removal Office Applications Web Browsers Multimedia Server Programs Data Sharing Network Administration Programming Languages Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 1.3 Open Source Software and Licensing 1.3 Lesson 1 Introduction Definition of Free and Open Source Software Licenses Business Models in Open Source Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 1.4 ICT Skills and Working in Linux 1.4 Lesson 1 Introduction Linux User Interfaces Industry Uses of Linux Privacy Issues when using the Internet Encryption Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises Topic 2: Finding Your Way on a Linux System 2.1 Command Line Basics 2.1 Lesson 1 Introduction Command Line Structure Command Behavior Types Quoting Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 2.1 Lesson 2 Introduction Variables Manipulating Variables Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 2.2 Using the Command Line to Get Help 2.2 Lesson 1 Introduction Getting Help on the Command Line Locating files Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 2.3 Using Directories and Listing Files 2.3 Lesson 1 Introduction Files and Directories File and Directory Names Navigating the Filesystem Absolute and Relative Paths Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 2.3 Lesson 2 Introduction Home Directories The Special Relative Path for Home Relative-to-Home File Paths Hidden Files and Directories The Long List Option Additional ls Options Recursion in Bash Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 2.4 Creating, Moving and Deleting Files 2.4 Lesson 1 Introduction Case Sensitivity Creating Directories Creating Files Renaming Files Moving Files Deleting Files and Directories Copying Files and Directories Globbing Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises Topic 3: The Power of the Command Line 3.1 Archiving Files on the Command Line 3.1 Lesson 1 Introduction Compression Tools Archiving Tools Managing ZIP files Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 3.2 Searching and Extracting Data from Files 3.2 Lesson 1 Introduction I/O Redirection Command Line Pipes Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 3.2 Lesson 2 Introduction Searching within Files with grep Regular Expressions Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 3.3 Turning Commands into a Script 3.3 Lesson 1 Introduction Printing Output Making a Script Executable Commands and PATH Execute Permissions Defining the Interpreter Variables Using Quotes with Variables Arguments Returning the Number of Arguments Conditional Logic Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 3.3 Lesson 2 Introduction Exit Codes Handling Many Arguments For Loops Using Regular Expressions to Perform Error Checking Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises Topic 4: The Linux Operating System 4.1 Choosing an Operating System 4.1 Lesson 1 Introduction What is an Operating System Choosing a Linux Distribution Non Linux Operating Systems Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 4.2 Understanding Computer Hardware 4.2 Lesson 1 Introduction Power Supplies Motherboard Memory Processors Storage Partitions Peripherals Drivers and Device Files Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 4.3 Where Data is Stored 4.3 Lesson 1 Introduction Programs and their Configuration The Linux Kernel Hardware Devices Memory and Memory Types Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 4.3 Lesson 2 Introduction Processes System Logging and System Messaging Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 4.4 Your Computer on the Network 4.4 Lesson 1 Introduction Link Layer Networking IPv4 Networking IPv6 Networking DNS Sockets Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises Topic 5: Security and File Permissions 5.1 Basic Security and Identifying User Types 5.1 Lesson 1 Introduction Accounts Getting Information About Your Users Switching Users and Escalating Privilege Access Control Files Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 5.2 Creating Users and Groups 5.2 Lesson 1 Introduction The File /etc/passwd The File /etc/group The File /etc/shadow The File /etc/gshadow Adding and Deleting User Accounts The Skeleton Directory Adding and Deleting Groups The passwd Command Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 5.3 Managing File Permissions and Ownership 5.3 Lesson 1 Introduction Querying Information about Files and Directories What about Directories? Seeing Hidden Files Understanding Filetypes Understanding Permissions Modifying File Permissions Symbolic Mode Numeric Mode Modifying File Ownership Querying Groups Special Permissions Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises 5.4 Special Directories and Files 5.4 Lesson 1 Introduction Temporary Files Understanding Links Guided Exercises Explorational Exercises Summary Answers to Guided Exercises Answers to Explorational Exercises Imprint