Content

• 2.3 File Permissions and Ownership
  • Section Overview and Objectives
    • Learning Objectives
    • Prerequisites
  • Key Topics
    • Why File Permissions Matter in Your Career
    • Understanding Permission Fundamentals
    • Numeric (Octal) Permission Notation
    • Using the chmod Command
    • Managing Ownership with chown and chgrp
    • Special Permissions
    • Real-World Permission Scenarios
    • Common Pitfalls and How to Avoid Them
  • Troubleshooting Permission Issues
  • Professional Context and Career Applications
  • Recommended Reading and Resources
• Hands-on Lab Exercise
  • Lab Overview
  • Environment Setup
  • Exercise 1: Basic Permission Management
    • Step 1: Create and Examine Files
    • Step 2: Practice Numeric Permissions
    • Step 3: Practice Symbolic Permissions
    • Step 4: Test Permission Effects
  • Exercise 2: Shared Development Environment
    • Step 1: Create Shared Project Structure
    • Step 2: Configure Directory Permissions
    • Step 3: Test Collaborative Features
    • Step 4: Test Access from Different Users
  • Exercise 3: Web Server Directory Setup
    • Step 1: Create Web Server Structure
    • Step 2: Set Ownership and Basic Permissions
    • Step 3: Create and Configure Web Content
    • Step 4: Create Executable CGI Scripts
  • Exercise 4: Special Permissions Implementation
    • Step 1: Sticky Bit for Shared Temporary Directory
    • Step 2: Setgid for Group Collaboration
    • Step 3: Setuid Demonstration (Educational)
  • Exercise 5: Permission Troubleshooting Scenarios
    • Step 1: Scenario 1 - Service Cannot Start
    • Step 2: Scenario 2 - Web Application Cannot Write Logs
    • Step 3: Scenario 3 - Backup Script Fails
  • Extension Activities (Advanced Challenges)
    • Challenge 1: Complex Multi-Service Environment
    • Challenge 2: Security Audit
    • Challenge 3: Automated Permission Management
  • Troubleshooting Guide
    • Common Issues and Solutions
    • Verification Commands
• Assessment
  • Multiple Choice Questions
  • Short Answer Questions

This chapter is available exclusively to members of The Server Room, my DevOps community of practice. You have multiple options for taking this course, for example self-guided or instructor-led. Check out the course details to learn more!