Red Hat® Certified Technician & Engineer (RHCT and RHCE) Training Guide and Administrator's Reference

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This book focuses on Red Hat® Enterprise Linux 5 (RHEL 5) and is designed for those preparing for the Red Hat® Certified Technician (RH202) and Certified Engineer (RH302) exams, as well as for individuals seeking a practical on-the-job resource or a beginner-friendly introduction to RHEL. It consists of 31 chapters organized into four main sections: 1. **Linux Essentials (Chapters 1-7)**: Introduces fundamental Linux concepts, commands, file manipulation, security techniques, text editors, and basic shell programming, providing a solid foundation for both exams. 2. **RHEL System Administration (Chapters 8-19)**: Covers essential system administration topics such as hardware management, local installation, desktop environments, user/group administration, disk management, system boot procedures, kernel management, backup, and automation. This section aligns with the RH202 exam objectives. 3. **RHEL Network and Security Administration (Chapters 20-30)**: Explores network and security topics, including OSI and TCP/IP models, subnetting, routing, DNS, DHCP, NFS, Apache, and security measures like SELinux and IPTables. These chapters address the RH302 exam objectives. 4. **RHEL Troubleshooting (Chapter 31)**: Provides troubleshooting scenarios for systems, networks, and security, covering diagnostic objectives for both exams. While this book is not a substitute for Red Hat training courses, it serves as a valuable preparation