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Ubuntu 20.04 LTS Installation Guide

Follow this guide to install Ubuntu 20.04 LTS (Long Term Support) on your computer. Whether you’re setting up a new machine or upgrading from an older version, these steps will help you get Ubuntu up and running.

Prerequisites

Before you start the installation, ensure the following:

  • A backup of your data if you’re installing over an existing system.
  • A USB flash drive with at least 8GB of space or a blank DVD.
  • Internet connection (optional, for updates during installation).

Step 1: Download Ubuntu

  1. Go to the official Ubuntu website.
  2. Download the Ubuntu 20.04 LTS ISO file.

Step 2: Create a Bootable USB or DVD

For USB:

  1. Download and install a tool like Rufus or balenaEtcher on another working system.
  2. Connect your USB flash drive to the system.
  3. Open your chosen tool and select the downloaded ISO file.
  4. Choose the USB drive as the target and start the process to create a bootable USB.

For DVD:

  1. Insert a blank DVD into your DVD writer.
  2. Use your system’s burning software to select the ISO and write it to the DVD.

Step 3: Boot From the USB/DVD

  1. Insert the USB flash drive or DVD into the system you want to install Ubuntu on.
  2. Restart the system.
  3. Enter the BIOS/UEFI setup (usually by pressing F2, F12, Del, or Esc during startup).
  4. Set the USB/DVD drive as the first boot device.
  5. Save the changes and exit the BIOS/UEFI setup.

Step 4: Install Ubuntu

  1. Your computer should now boot from the USB/DVD and display the Ubuntu installer welcome screen.
  2. Click “Install Ubuntu”.
  3. Select your language and click “Continue”.
  4. Choose your keyboard layout and click “Continue”.
  5. Connect to a Wi-Fi network if available (optional).
  6. Choose installation type: Minimal installation (Recommended for ISPCRM)
  7. Decide on installation options:
    • Erase disk and install Ubuntu: This will format the entire disk.
    • Something else: To manually partition the drive (advanced users).
  8. Follow the prompts to set your time zone and user details.
  9. Wait for the installation to complete. It may take some time depending on the speed of your computer and USB/DVD drive.
  10. Once installed, you’ll be prompted to remove the installation media and press Enter to restart the computer.

Step 5: Post-Installation

  1. Your computer should boot into Ubuntu. Log in with the username and password you created during installation.
  2. Update your system by opening a terminal and running: 
    sudo apt update && sudo apt upgrade
  3. Install any additional drivers if necessary from the “Software & Updates” utility under the “Additional Drivers” tab.
  4. Enjoy your new Ubuntu 20.04 LTS installation!