Mastering UNIX and Linux System Administration: A Practical Handbook for Effective Management
Elba Fitzgerald
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Chapter 1: Introduction to UNIX and Linux 4
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1.1 History of UNIX and Linux 4
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1.2 UNIX vs. Linux: Key Differences 8
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1.3 Overview of UNIX/Linux Architecture 14
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1.4 Common UNIX/Linux Distributions 21
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Chapter 2: Basic Concepts and Installation 25
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2.1 Understanding the File System Hierarchy 25
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2.2 Essential Commands and Utilities 29
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2.3 User and Group Management 34
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2.4 Installing UNIX/Linux: Step-by-Step Guide 39
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Chapter 3: File System Management 45
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3.1 File and Directory Permissions 45
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3.2 Managing Files and Directories 50
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3.3 Disk Quotas and Usage 53
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3.4 Backup and Restore Strategies 56
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Chapter 4: System Configuration and Management 62
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4.1 Configuring System Parameters 62
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4.2 Managing System Services 66
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4.3 Network Configuration and Troubleshooting 69
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4.4 System Logging and Monitoring 73
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Chapter 5: Security and Access Control 79
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5.1 Implementing User Authentication 79
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5.2 Configuring Firewalls and Security Policies 83
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5.3 Managing SSH and Secure Shell 87
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5.4 Intrusion Detection and Prevention 91
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Chapter 6: Advanced Shell Scripting 97
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6.1 Introduction to Shell Scripting 97
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6.2 Writing and Debugging Shell Scripts 103
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6.3 Advanced Scripting Techniques 107
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6.4 Automating Tasks with Cron Jobs 111
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Chapter 7: Network Services and Administration 116
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7.1 Configuring Network Services 116
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7.2 Managing DNS and DHCP 120
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7.3 Setting Up Web and FTP Servers 124
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7.4 Email Server Configuration and Management 128
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Chapter 8: Database Administration 132
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8.1 Introduction to Databases in UNIX/Linux 132
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8.2 Installing and Configuring MySQL/PostgreSQL 137
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8.3 Database Backup and Recovery 141
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8.4 Performance Tuning and Optimization 146
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Chapter 9: Performance Monitoring and Tuning 150
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9.1 Monitoring System Performance 150
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9.2 Identifying Performance Bottlenecks 155
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9.3 Tuning Kernel Parameters 160
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9.4 Memory Management and Optimization 163
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Chapter 10: Virtualization and Containers 169
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10.1 Introduction to Virtualization 169
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10.2 Setting Up and Managing Virtual Machines 175
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10.3 Introduction to Containers and Docker 179
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10.4 Orchestration with Kubernetes 186
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Chapter 11: Troubleshooting and Problem Resolution 192
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11.1 Common System Issues and Solutions 192
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11.2 Advanced Troubleshooting Techniques 198
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11.3 Using Diagnostic Tools and Utilities 202
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11.4 Case Studies and Real-World Scenarios 206
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