The Essential Guide to UNIX and Linux System Administration: Tools, Techniques, and Best Practices
Thanh Blair
Premium
Chapter 1: Introduction to UNIX and Linux 4
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1.1 What is UNIX? 4
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1.2 What is Linux? 10
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1.3 The History of UNIX and Linux 15
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1.4 The UNIX and Linux Architecture 20
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1.5 Key Differences Between UNIX and Linux 24
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Chapter 2: Installation and Configuration 31
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2.1 Planning Your Installation 31
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2.2 Preparing for Installation 34
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2.3 Installing UNIX 38
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2.4 Installing Linux 42
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2.5 Post-Installation Tasks 45
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2.6 Configuring Your Environment 49
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Chapter 3: File System Management 55
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3.1 Understanding the File System Hierarchy 55
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3.2 File System Types 59
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3.3 Managing Files and Directories 63
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3.4 Disk Quotas 68
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3.5 File System Permissions 72
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3.6 Backup and Restore Techniques 75
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Chapter 4: User and Group Management 80
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4.1 Understanding Users and Groups 80
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4.2 Creating and Managing Users 84
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4.3 Creating and Managing Groups 88
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4.4 User Authentication and Security 92
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4.5 Managing User Privileges 97
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4.6 Group Permissions and Ownership 101
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Chapter 5: Process Management 106
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5.1 What is a Process? 106
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5.2 Process States and Lifecycle 110
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5.3 Monitoring and Managing Processes 115
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5.4 Scheduling Processes 119
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5.5 Managing Process Priorities 123
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5.6 Killing and Terminating Processes 127
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Chapter 6: Networking in UNIX and Linux 128
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6.1 Introduction to Networking 128
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6.2 Configuring Network Interfaces 133
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6.3 Managing Network Services 136
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6.4 Understanding and Using Network Protocols 140
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6.5 Securing Network Communications 144
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6.6 Troubleshooting Network Issues 148
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Chapter 7: System Security 153
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7.1 Understanding System Security 153
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7.2 Implementing Security Policies 157
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7.3 User Account Security 163
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7.4 Securing Network Services 166
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7.5 Firewalls and Access Control 170
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7.6 Monitoring and Auditing Security 174
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Chapter 8: Shell Scripting and Automation 180
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8.1 Introduction to Shell Scripting 180
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8.2 Writing and Executing Shell Scripts 185
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8.3 Automating Tasks with Cron 189
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8.4 Using Advanced Shell Features 193
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8.5 Debugging Shell Scripts 197
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8.6 Best Practices in Shell Scripting 201
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Chapter 9: System Performance Monitoring 207
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9.1 Understanding System Performance 207
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9.2 Monitoring System Resources 211
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9.3 Identifying Performance Bottlenecks 215
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9.4 Optimizing System Performance 219
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9.5 Performance Monitoring Tools 224
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9.6 Best Practices for System Performance 227
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Chapter 10: Advanced Topics in UNIX and Linux Administration 233
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10.1 Virtualization and Containers 233
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10.2 Managing Large-Scale Systems 237
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10.3 High Availability and Disaster Recovery 241
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10.4 Cloud Integration with UNIX and Linux 245
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10.5 System Hardening Techniques 250
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10.6 Emerging Trends in System Administration 255
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