Install Red Hat Enterprise Linux

Installation Media

1. Binary Image (ISO): Contains Anaconda installer, BaseOS, and AppStream repositories.
2. Boot ISO: Requires network access to repositories.
3. QCOW2 Image: Prebuilt system disk for virtualization.
4. Source Code: For software development and compilation.

Supported Architectures

• AMD, Intel, ARM 64-bit
• IBM Power Systems
• IBM Z 64-bit

Installation Methods

• Manual Installation: Interactive user input via Anaconda.
• Automated Installation: Uses Kickstart file.

Graphical Installation Steps

1. Boot System: From binary DVD or boot ISO.
2. Language Selection: Choose language and click Continue.

3. Installation Summary: Customize parameters.

   • Keyboard, Language Support, Time & Date
   • Connect to Red Hat, Installation Source, Software Selection
   • Installation Destination, KDUMP, Network & Host Name
   • Security Profile, Root Password, User Creation

4. Complete Installation: Click Begin Installation.

5. Reboot and Setup: Post-installation setup and registration.

Troubleshooting

• Virtual Consoles: Access diagnostic and troubleshooting tools via Ctrl+Alt+F1 to F6.
• tmux Terminal: Provides shell prompt, logs, and diagnostic information.

Key Sequences for Troubleshooting

• Ctrl+Alt+F1: Access tmux terminal multiplexer.
• Ctrl+B 1-5: Access various windows in tmux terminal.
• Ctrl+Alt+F6: Return to Anaconda graphical interface.

Questions and Answers

1. What are the objectives of installing Red Hat Enterprise Linux?

2. To install Red Hat Enterprise Linux on a server.

3. What types of installation media does Red Hat provide?

4. Binary ISO, Boot ISO, QCOW2 image, Source code.

5. What is a binary ISO?

6. A binary image file in ISO 9660 format containing the Anaconda installer, BaseOS, and AppStream repositories.

7. What is a Boot ISO?

8. A smaller ISO image containing Anaconda that requires network access to repositories.

9. What is a QCOW2 image?

10. A prebuilt system disk ready to deploy as a virtual machine in cloud or enterprise environments.

11. What architectures does RHEL support?

12. AMD, Intel, ARM 64-bit, IBM Power Systems, IBM Z 64-bit.

13. What is the Red Hat Image Builder tool?

14. A tool to create customized RHEL images for deployment on cloud platforms or virtual environments.

15. How can you access Image Builder?

16. Using the composer-cli command or the Red Hat web console interface.

17. What are the two installation methods supported by Anaconda?

18. Manual installation and automated installation using a Kickstart file.

19. What is the first step in installing RHEL using the graphical interface?

    • Boot the system from the binary DVD or boot ISO.

20. What is the WELCOME TO RED HAT ENTERPRISE LINUX 9 screen used for?

    • To select the language and click Continue.

21. What does the INSTALLATION SUMMARY window provide?

    • A central interface to customize installation parameters.

22. How are mandatory items marked in the INSTALLATION SUMMARY window?

    • With a triangle warning symbol and message.

23. What is the purpose of the Keyboard configuration item?

    • To add keyboard layouts.

24. How do you specify the system's location city during installation?

    • By clicking the interactive map or selecting it from the lists in the Time & Date configuration.

25. What must you do to register the system with Red Hat?

    • Connect to the network and use the Connect to Red Hat configuration.

26. What does the Installation Source configuration item specify?

    • The source package location for Anaconda.

27. What is the Minimal Install environment?

    • It installs only the essential packages to run Red Hat Enterprise Linux.

28. What does the Installation Destination configuration item allow you to do?

    • Select and partition disks for RHEL installation.

29. What is the KDUMP feature used for?

    • To collect information about the state of the system memory when the kernel crashes.

30. How can you configure network settings during installation?

    • Using the Network & Host Name configuration item.

31. What does enabling a security profile during installation do?

    • Applies restrictions and recommendations defined by the profile.

32. What must you set before the final stage of the installation process continues?

    • A root password.

33. What is recommended practice regarding user accounts during installation?

    • Creating a local, general-use non-root account.

34. How do you troubleshoot the installation using virtual consoles?

    • Use Ctrl+Alt+F1 to F6 to access various consoles and the tmux terminal.