Linux Installation and Basic Usage

Installing Ubuntu:

  1. Download Ubuntu:
    • Go to https://ubuntu.com/download and download the Ubuntu ISO for your system architecture.
  2. Create a Bootable USB Drive:
    • Use a tool like BalenaEtcher (https://www.balena.io/etcher/) to create a bootable USB drive.
  3. Boot from USB:
    • Insert the USB drive into your computer and restart.
    • Access the BIOS/UEFI settings and set the USB drive as the primary boot device.
  4. Install Ubuntu:
    • On the Ubuntu installation screen, choose "Install Ubuntu."
  5. Language and Keyboard Layout:
    • Select your language and keyboard layout.
  6. Updates and Third-Party Software:
    • Choose whether to install updates and third-party software during installation.
  7. Installation Type:
    • Choose the installation type:
      • "Install Ubuntu alongside [existing OS]"
      • "Erase disk and install Ubuntu"
      • Manual partitioning if needed.
  8. Location and User Details:
    • Set your time zone and provide user details.
  9. Installation:
    • Click "Install" to start the installation.
    • Wait for the files to copy, and the system to configure.
  10. Complete Installation:
    • Remove the USB drive when prompted and press Enter to reboot.
  11. Post-Installation:
    • After restarting, log in with the credentials you set during installation.

Remember, these steps might slightly vary based on the Ubuntu version or the specific Linux distribution you choose. Always refer to the official documentation or online tutorials for the most accurate and up-to-date information, and feel free to explore community forums for additional support.

CentOS:

Here's a step-by-step guide on how to install CentOS. Keep in mind that the steps might vary slightly based on the CentOS version, so always refer to the official documentation for the most accurate information.

Installing CentOS:

  1. Download CentOS:
    • Go to the official CentOS website (https://www.centos.org/download/) and download the ISO for the version you want.
  2. Create a Bootable USB Drive:
    • Use a tool like Rufus (for Windows) or BalenaEtcher (for Windows, macOS, Linux) to create a bootable USB drive from the CentOS ISO.
  3. Boot from USB:
    • Insert the USB drive into your computer and restart.
    • Access the BIOS/UEFI settings and set the USB drive as the primary boot device.
  4. Start CentOS Installation:
    • Once the system boots from the USB drive, select "Install CentOS" from the boot menu.
  5. Language and Keyboard Settings:
    • Choose your language and keyboard settings.
  6. Installation Summary:
    • Click on "Begin Installation" to start the installation process.
  7. Date & Time:
    • Set your time zone and configure the date and time settings.
  8. Installation Destination:
    • Choose the disk where you want to install CentOS.
    • You can also configure partitioning if needed.
  9. Network & Hostname:
    • Configure your network settings and set the hostname.
  10. Begin Installation:
    • Click on "Begin Installation" to start the actual installation process.
  11. Root Password:
    • Set the root password.
  12. User Creation:
    • Create a non-root user and set its password.
  13. Installation Progress:
    • Wait for the installation to complete. The system will copy files and configure the software.
  14. Complete Installation:
    • Once the installation is complete, click on "Reboot" to restart your system.
  15. Post-Installation:
    • After the system restarts, log in using the username and password you created during installation.

Congratulations, you've successfully installed CentOS! As always, these steps are general guidelines, and it's important to refer to the official CentOS documentation for any specific details related to your version.

RHEL:

Installing Red Hat Enterprise Linux (RHEL) involves a similar process to other Linux distributions. Here's a general guide for installing RHEL. Note that the steps might vary slightly based on the specific version of RHEL, so always refer to the official documentation for the most accurate information.

Installing Red Hat Enterprise Linux:

  1. Obtain RHEL ISO:
    • Obtain the RHEL ISO from the official Red Hat website. Keep in mind that RHEL typically requires a subscription, and you may need to register or log in to access the ISO.
  2. Create a Bootable USB Drive:
    • Use a tool like Rufus (for Windows) or dd (for Linux) to create a bootable USB drive from the RHEL ISO.
  3. Boot from USB:
    • Insert the USB drive into your computer and restart.
    • Access the BIOS/UEFI settings and set the USB drive as the primary boot device.
  4. Start RHEL Installation:
    • Once the system boots from the USB drive, select "Install Red Hat Enterprise Linux" from the boot menu.
  5. Language and Keyboard Settings:
    • Choose your preferred language and keyboard settings.
  6. Installation Summary:
    • Click on "Begin Installation" to start the installation process.
  7. Date & Time:
    • Set your time zone and configure the date and time settings.
  8. Installation Destination:
    • Choose the disk where you want to install RHEL.
    • Configure partitioning if needed.
  9. Network & Hostname:
    • Configure your network settings and set the system hostname.
  10. Software Selection:
    • Choose the software packages you want to install. You can select predefined environments or customize the package selection.
  11. Begin Installation:
    • Click on "Begin Installation" to start the installation.
  12. Root Password:
    • Set the root password.
  13. User Creation:
    • Create a non-root user and set its password.
  14. Installation Progress:
    • Wait for the installation to complete. The system will copy files and configure the software.
  15. Complete Installation:
    • Once the installation is complete, click on "Reboot" to restart your system.
  16. Post-Installation:
    • After the system restarts, log in using the username and password you created during installation.

Remember, this is a general guide, and the steps might vary based on the specific version of RHEL you are using. Always consult the official Red Hat Enterprise Linux documentation for the version you are installing for the most accurate and up-to-date information. 

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