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How to Install Red Hat Enterprise Linux 5 and CentOS 5

This tutorial provides a pictorial guide for performing a default installation of Red Hat Enterprise Linux 5 and CentOS 5.
  1. Boot from the CD or DVD. At the boot screen, press the "Enter" key.
    Boot
  2. Press the "tab" key to move focus to the "Skip" key, then press the "Enter" key to continue.
    Test Media
  3. On the "Welcome" screen, click the "Next" button.
    Welcome
  4. Select the appropriate language, then click the "Next" button.
    Language
  5. Select the relevant keyboard setting, then click the "Next" button.
    Keyboard
  6. Click the "OK" button on the disk partitioning warning dialog.
    Disk Partitioning Warning
  7. Check the "Review and modify partitioning layout" option, then allow the installer to automatically partition the disk by clicking on the "Next" button.
    Disk Partitioning
  8. Click the "Yes" button on the subsequent warning dialog.
    Disk Partitioning Warning
  9. The installer will list the default partitioning scheme for your size disk.
    Disk Setup
    The following screen shots show the actions I take for small test installations
  10. Edit the "/boot" partition, setting it to "150M" and "Fixed size", then click the "OK" button.
    Disk Setup Boot
  11. The "/root" and "/swap" partitions are part of a volume group.
    Disk Setup Volume Group
  12. Edit the "/root" partition, setting it to "8000 MB", then click the "OK" button.
    Disk Setup Root
  13. Edit the "swap" partition, setting it to "2048M", then click the "OK" button.
    Disk Setup Swap
    If you need additional swap space, simply make this partition bigger.
  14. The partitions screen should now looks something like the following picture, then click the "Next" button.
    Disk Setup
  15. Accept the boot loader settings by clicking the "Next" button.
    Boot Loader
  16. Configure the network interface with the apropriate settings. This can be done automatically using DHCP, or manually.
    Network Configuration
  17. If you are not using DHCP, enter the appropriate IP addess and subnet mask, then click the "OK" button.
    Edit Interface
  18. If you are not using DHCP, enter the host name, gateway and DNS information, then click the "Next" button.
    Network Configuration
  19. Select the relevant region by clicking on the map.
    Region
  20. Select the relevant city by clicking on the map. Click on the "Next" button to proceed.
    Region
  21. Enter a root password for the server, then click the "Next" button to proceed.
    Root Password
  22. Select the "Customize now" option and the appropriate installation type and click the "Next" button.
    Package Installation Defaults
  23. The "Package Group Selection" screen allows you to select the required package groups, and individual packages within the details section. When you've made your selection, click the "Next" button.
    Package Group Selection
  24. On the "About to Install" screen, click the "Next" button.
    About To Install
  25. Click the "Continue" button on the "Required Install Media" screen.
    Required Media
  26. During the installation phase, enter the appropriate CDs as requested.
    Installing Packages
  27. Click the "Reboot" button to complete the installation.
    Congratulations
  28. On the "Welcome" screen, click the "Forward" button.
    Welcome
  29. Accept the license agreement and click the "Forward" button.
    License Agreement
  30. On the Firewall screen, choose the "Disabled" option and click the "Forward" button.
    Firewall
  31. Click the "Yes" button on the subsequent warning screen.
    Firewall Warning
  32. On the SELinux screen, choose the "Disabled" option and click the "Forward" button.
    SELinux
  33. Click the "Yes" button on the subsequent warning screen.
    SELinux Warning
  34. Accept the default setting on the Kdump screen by clicking the "Forward" button.
    Kdump
  35. Adjust the Date and Time settings if necessary, and click the "Forward" Button.
    Date Time
  36. If you have a Red Hat Network account, you can enter it here and register your system. Alternatively, you can pick the "No, I prefer to register at a later time" option and click the "Forward" button to avoid this step.
    Software Updates
  37. Click the "No thanks, I'll connect later" button.
    Software Updates Confirmation
  38. Finish the setup of software updates by clicking the "Forward" button.
    Software Updates Finish
  39. Create an additional system user if required, and click the "Next" button.
    System User
  40. If you chose not to define an additional system user, click the "Continue" button on the resulting warning dialog.
    System User Warning
  41. On the sound card screen, click the "Forward" button.
    SoundCard
  42. On the "Additional CDs" screen, click the "Forward" button.
    Additional CDs
  43. Click the "OK" button on the reboot request dialog.
    Finish Setup
  44. Once the system has rebooted, you are presented with the login screen.
    Login
  45. Once logged in, you are ready to use the desktop.
    Desktop

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