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Linux with Operating System Concepts, 2nd Edition

Name: Linux with Operating System Concepts, 2nd Edition
Author: Richard Fox
ISBN: 9781000506037

by Richard Fox

December 2021

Intermediate to advanced

620 pages

26h 12m

English

Chapman and Hall/CRC

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Cover
Half Title
Title Page
Copyright Page
Dedication
Table of Contents
Preface
Acknowledgments and Contributions
Author
Chapter 1 Linux: What, Why, Who and When, and How
1.1 Introduction1.2 What Is Linux?1.2.1 Early Operating Systems1.2.2 The Operating System Kernel1.2.3 Other Operating System Components1.2.4 So, What Is Linux?1.3 Why Use Linux?1.4 Who Developed Linux and When?1.4.1 The Birth and Development of Unix1.4.2 GNU1.4.3 Enter Linus Torvalds1.4.4 The Open-Source Community1.5 How Do You Use Linux?1.5.1 Installing Debian Linux1.5.2 Installing CentOS Linux1.5.3 Installing Ubuntu Linux1.5.4 Installing Linux Mint1.5.5 An Introduction to the Shell and Command Line1.6 Chapter ReviewReview Questions

Chapter 2 Bash
2.1 Introduction2.2 Entering Linux Commands2.2.1 Simple Linux Commands2.2.2 Commands with Options and Parameters2.3 Forms of Linux Help2.3.1 man Pages2.3.2 Other Forms of Command-Line Help2.4 Bash Features2.4.1 Recalling Commands through the History List2.4.2 Shell Variables2.4.3 Aliases2.4.4 Command-Line Editing2.4.5 Redirection2.4.6 Other Useful Bash Features2.5 Tailoring Our Environment2.6 vi2.6.1 vi Commands2.6.2 An Example to Illustrate How to Use vi2.7 Interpreters2.7.1 Interpreters in Programming Languages2.7.2 Interpreters in Shells2.7.3 The Bash Interpreter2.8 Chapter ReviewReview Questions
Chapter 3 Linux File Commands
3.1 Introduction3.2 Storage Terminology3.3 Filename Specification3.3.1 The Path3.3.2 Filename Arguments with Paths3.3.3 The PATH Variable3.3.4 Specifying Filenames with Wildcards3.4 File Commands3.4.1 Directory Commands3.4.2 File Movement and Copy Commands3.4.3 File Deletion Commands3.4.4 Creating and Deleting Directories3.4.5 Textfile Viewing Commands3.4.6 File Comparison Commands3.4.7 File Manipulation Commands3.4.8 Miscellaneous but Useful File Commands3.5 Permissions3.5.1 What Are Permissions?3.5.2 Altering Permissions from the Command Line3.5.3 Altering Permissions from the GUI3.5.4 Advanced Permissions3.6 Hard and Symbolic Links3.7 Locating Files3.7.1 Search Using the File Browser3.7.2 The find Command3.7.3 Other Means of Locating Files3.8 Secondary Storage Devices3.8.1 The Hard Disk Drive3.8.2 Magnetic Tape3.8.3 Optical Discs3.8.4 Flash Memory Drives3.8.5 Device Drivers3.9 File Compression3.9.1 Types of File Compression3.9.2 The Lempel–Ziv Algorithms for Lossless Compression3.9.3 Other Lossless Compression Algorithms3.9.4 Compression and Decompression Programs in Linux3.10 Chapter ReviewReview Questions
Chapter 4 Managing Processes
4.1 Introduction4.2 Forms of Process Management4.2.1 Single-Process Execution4.2.2 Concurrent Processing4.2.3 Interrupt Handling4.3 Starting, Pausing and Resuming Processes4.3.1 Ownership of Running Processes4.3.2 Launching Processes from the Command Line4.3.3 Suspending and Resuming Processes from the Command Line4.4 Monitoring Processes4.4.1 GUI Monitoring Tools4.4.2 Command-Line Monitoring Tools4.5 Managing Process Priority4.6 Process Termination4.6.1 Orphans and Zombies4.6.2 Killing Processes4.6.3 Shutting Down Linux4.7 A Look at System Resources4.7.1 Memory and Virtual Memory4.7.2 Linux Commands to Inspect System Resources4.8 Chapter ReviewReview Questions
Chapter 5 Regular Expressions
5.1 Introduction5.2 Metacharacters5.2.1 Controlling Repeated Characters through *, + and ?5.2.2 Using and Modifying the . Metacharacter5.2.3 Controlling Where a Pattern Matches5.2.4 Matching from a List of Options5.2.5 Matching Characters That Must Not Appear5.2.6 Matching Metacharacters Literally5.2.7 More Precisely Controlling Repetition5.2.8 Selecting between Sequences5.3 Examples 5.4 grep5.4.1 Using egrep5.4.2 Useful egrep Options5.4.3 Examples: Searching the Linux Dictionary5.4.4 Using egrep to Control the Output of Other Linux Commands5.5 sed5.5.1 Basic sed Syntax5.5.2 Placeholders5.5.3 Other sed Capabilities5.6 awk5.6.1 awk Condition-Action Pairs5.6.2 BEGIN and END Sections5.6.3 Other Forms of Control5.6.4 awk Command Line Options and Arguments5.6.5 Non-File Input to awk5.7 Chapter ReviewReview Questions
Chapter 6 Shell Scripting
6.1 Introduction6.2 Simple Scripting6.2.1 Scripts of Linux Instructions6.2.2 Running Scripts6.2.3 Scripting Errors6.3 Variables, Assignments and Parameters6.3.1 Bash Variables6.3.2 Assignment Statements6.3.3 Executing Linux Commands from within Assignment Statements6.3.4 Arithmetic Operations in Assignment Statements6.3.5 String Operations Using expr6.3.6 Command-Line Parameters6.4 Input and Output6.4.1 Output with echo6.4.2 Input with read6.5 Selection Statements6.5.1 Conditions for Strings and Integers6.5.2 File Conditions6.5.3 The if-then and if-then-else Statements6.5.4 Nested Statements6.5.5 Case Statement6.5.6 Conditions Outside of Selection Statements6.6 Loops6.6.1 Conditional Loops6.6.2 Counter-Controlled Loops6.6.3 Iterator Loops6.6.4 Using the seq Command to Generate a List6.6.5 The while read Statement6.7 Arrays6.7.1 Declaring and Initializing Arrays6.7.2 Accessing Array Elements and Entire Arrays6.7.3 Example Scripts Using Arrays6.8 String Manipulation6.8.1 Substrings Revisited6.8.2 String Regular Expression Matching6.9 Functions6.9.1 Defining Bash Functions6.9.2 Using Functions6.9.3 Functions and Variables6.9.4 exit and return Statements6.10 Chapter ReviewReview Questions
Chapter 7 User Accounts
7.1 Introduction7.2 Creating Accounts and Groups7.2.1 Creating User and Group Accounts through the GUI7.2.2 Creating User and Group Accounts from the Command Line7.2.3 Creating a Large Number of User Accounts7.3 Managing Users and Groups7.4 Password Management7.4.1 Automatically Generating Passwords7.4.2 Managing Passwords7.5 PAM and Enforcing Strong Passwords7.6 Establishing Common User Resources7.6.1 Populating User Home Directories with Initial Files7.6.2 Initial User Settings and Defaults7.7 The sudo Command7.8 SELinux7.8.1 SELinux Components7.8.2 A Closer Look at Contexts7.8.3 Rules7.9 Establishing User and Group Policies7.10 Chapter ReviewReview Questions
Chapter 8 Administering Linux File Systems
8.1 Introduction8.2 Storage Access8.2.1 Disk Storage and Blocks8.2.2 Block Indexing Using a File Allocation Table8.2.3 Other Disk Storage Details8.2.4 File Storage and Object Storage8.3 Linux Files8.3.1 Files versus Directories8.3.2 Non-File File Types8.3.3 Links as File Types8.3.4 Reviewing the File Types8.4 The inode8.4.1 inode Metadata8.4.2 inode Pointers8.4.3 Linux Commands to Inspect inodes and Files8.5 Partitions and File Systems8.5.1 Why Partition?8.5.2 Viewing the Available Partitions8.5.3 Creating Partitions8.5.4 Repartitioning8.5.5 Using a Logical Volume Manager to Partition8.5.6 Adding a Disk Drive8.6 Administrative File System Tasks8.6.1 Mounting and Unmounting File Systems8.6.2 Remote File Systems8.6.3 Establishing Quotas on a File System8.6.4 Miscellaneous Administrative File System Commands8.7 Linux Top-Level Directories8.7.1 Root (/) Partition Directories8.7.2 The /etc Directory8.7.3 The /boot, /home and /var Directories8.7.4 Virtual File System Directories8.8 Chapter ReviewReview Problems
Chapter 9 System Initialization and Services
9.1 Introduction9.2 Booting the Computer9.2.1 Volatile and Non-Volatile Memory9.2.2 The Boot Process9.2.3 The Linux Boot Process9.2.4 Loading and Running the Linux Kernel9.3 Initialization of the Linux Operating System9.3.1 Target Unit Files9.3.2 Service Unit Files9.3.3 Other Unit File Types9.3.4 Modifying System Initialization9.4 Linux Services9.4.1 What Are Services?9.4.2 An Examination of Significant Linux Services9.5 Using systemctl 9.6 Configuration Files9.6.1 Non-Service Configuration Files9.6.2 Configuring rsyslog9.6.3 Configuring nfs9.6.4 Configuring logrotate9.6.5 Configuring auditd9.7 Chapter ReviewReview Problems
Chapter 10 Network Configuration
10.1 Introduction10.2 Computer Networks and TCP/IP10.2.1 Network Connection Devices10.2.2 The TCP/IP Protocol Stack10.2.3 Ports10.2.4 IPv610.2.5 Domains, the Domain Name System and Host Names10.3 Linux NetworkManager Service and Related Services and Files10.3.1 NetworkManager10.3.2 Other Network Services of Note10.3.3 Establishing DNS Access10.4 Obtaining IP Addresses10.4.1 Configuring Our Interface Device(s)10.4.2 Setting Up a DHCP Server10.5 Network Programs10.5.1 The ip Program10.5.2 Remote Access and File Transfer Programs10.5.3 Network Inspection Programs10.5.4 Address Resolution Programs10.6 The Linux Firewall10.6.1 The firewalld Service10.6.2 The Firewall Configuration GUI Tool10.6.3 firewall-cmd10.6.4 ufw10.7 Chapter ReviewReview Questions
Chapter 11 Software Installation and Maintenance
11.1 Introduction11.2 Software Maintenance Terminology11.2.1 Types of Programming Languages11.2.2 Types of Software11.2.3 Types of Software Licenses11.2.4 Types of Software Management11.3 Installation and Maintenance from a Software Store11.3.1 Red Hat Software GUI11.3.2 Debian Mint Software GUI11.3.3 Ubuntu Software Center11.4 rpm and dpkg11.4.1 rpm11.4.2 dpkg11.5 dnf/yum and apt11.6 Installation of Source Code11.6.1 Obtaining Installation Packages11.6.2 Extracting from the Archive11.6.3 Running the configure Script11.6.4 The make Step and the makefile11.6.5 The make install Step11.7 The gcc Compiler11.7.1 Preprocessing11.7.2 Lexical Analysis and Syntactic Parsing11.7.3 Semantic Analysis, Compilation and Optimization11.7.4 Linking11.7.5 Using gcc11.8 Software Documentation11.9 Chapter ReviewReview Questions
Chapter 12 Maintaining and Troubleshooting Linux
12.1 Introduction12.2 File System Integrity: Backups, RAID and Encryption12.2.1 Backups: Why, How and When12.2.2 RAID for File System Integrity12.2.3 Encryption and Encryption Programs12.3 Task Scheduling12.3.1 at and atd12.3.2 crontab and crond12.4 System Monitoring12.4.1 Operating System Issues That Degrade Performance12.4.2 Processor and Process System Monitoring Tools12.4.3 Memory System Monitoring Tools12.4.4 I/O System Monitoring Tools12.5 Log Files12.5.1 rsyslogd-Created Log Files12.5.2 auditd Logs12.5.3 Examining the Log Files12.5.4 journald12.6 Troubleshooting12.7 Chapter ReviewReview Questions
Bibliography
Index

Overview

Linux with Operating System Concepts, 2nd Edition, merges conceptual operating system (OS) and Unix/Linux topics into one cohesive textbook for undergraduate students. The book can be used for a one- or two-semester course on Linux or Unix. It is complete with review sections, problems, definitions, and concepts.

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