Ubuntu 18.04 USB Image: Complete Guide
Your comprehensive resource for creating and using Ubuntu 18.04 Bionic Beaver from a USB drive
Introduction to Ubuntu 18.04
Ubuntu 18.04 LTS (Long Term Support), codenamed "Bionic Beaver," was released in April 2018 and represents a significant milestone in the Ubuntu Linux distribution. As an LTS release, it provides five years of security and maintenance updates until April 2023, making it a stable choice for desktops, servers, and cloud environments.
Ubuntu 18.04 introduced several key improvements including a redesigned installation experience, a new default desktop environment (GNOME 3.28), optimized performance on minimal hardware, and enhanced security features. The USB image of Ubuntu 18.04 allows users to easily install the operating system on their computers or try it without making any changes to their hard drive.
System Requirements
Before creating or using an Ubuntu 18.04 USB image, ensure your system meets the following minimum requirements:
- Processor: 2 GHz dual-core processor or better
- RAM: 2 GB system memory (4 GB recommended)
- Disk space: 25 GB of free hard drive space
- Graphics: VGA capable with 1024768 resolution
- USB port: For booting from the USB image
- USB drive: At least 2 GB for desktop image, 1 GB for server image
Downloading Ubuntu 18.04
You can download Ubuntu 18.04 LTS from the official Ubuntu website or other reliable sources. There are several versions available:
Desktop vs. Server
Ubuntu 18.04 is available in desktop and server variants. The desktop version comes with a graphical user interface and is suitable for personal use. The server edition is optimized for server environments and doesn't include a graphical interface by default, making it more lightweight and efficient for server tasks.
32-bit vs. 64-bit
Most modern computers support 64-bit processing, and the 64-bit version of Ubuntu 18.04 is recommended for better performance. However, 32-bit images are still available for older computers that cannot run 64-bit operating systems.
Download Ubuntu 18.04 LTS
Choose the version that suits your needs:
Official Release Page Desktop Download Server DownloadCreating a Bootable Ubuntu USB Image
Once you've downloaded the Ubuntu 18.04 ISO file, you'll need to create a bootable USB drive. The process varies slightly depending on your operating system.
Using Windows
Download Rufus
Rufus is a popular tool for creating bootable USB drives on Windows. You can download it from the official website (https://rufus.ie/).
Run Rufus
Connect your USB drive to your computer (at least 4GB in size) and run the Rufus application.
Select Your USB Drive
In the Device dropdown menu, select your USB drive. Be careful to select the correct device as all data on it will be erased.
Select the Ubuntu ISO
Click on the "Select" button and navigate to where you saved the Ubuntu 18.04 ISO file.
Start the Process
Click the "Start" button to begin creating the bootable USB drive. Rufus will show a warning that all data on the USB drive will be destroyed. Confirm this to proceed.
Wait for Completion
Wait for Rufus to finish creating the bootable USB drive. This process may take several minutes depending on the speed of your USB drive.
Using macOS
Download Etcher
Etcher is a user-friendly tool for creating bootable USB drives that works on macOS, Windows, and Linux. You can download it from https://www.balena.io/etcher/.
Connect Your USB Drive
Insert a USB drive with at least 4GB of free space into your Mac.
Open Etcher
Launch the Etcher application that you downloaded previously.
Select the Ubuntu ISO
Click on "Select image" and navigate to the Ubuntu 18.04 ISO file that you downloaded.
Select Your USB Drive
Etcher should automatically detect your USB drive. If it doesn't, click on "Change" to manually select it.
Flash!
Click the "Flash!" button to start the process. Wait for Etcher to complete the flashing and verification process.
Using Linux
Install USB Image Writer
Many Linux distributions come with a USB image writer tool pre-installed. If not, you can install one like 'Startup Disk Creator' (Ubuntu) or 'Brasero' (Fedora).
Connect Your USB Drive
Insert a USB drive with at least 4GB of free space into your computer.
Launch the USB Image Writer
Open your chosen USB image writing application.
Select ISO and Target USB Drive
The application will prompt you to select the Ubuntu 18.04 ISO file and the target USB drive. Select the correct USB drive as all data on it will be erased.
Start Writing
Click the button to start writing the image to the USB drive. Wait for the process to complete.
Booting from the Ubuntu 18.04 USB
Once you've created your bootable Ubuntu 18.04 USB drive, you can use it to install Ubuntu or try it without making changes to your computer:
Connect the USB Drive
Insert the bootable USB drive into your computer.
Access Boot Menu
Restart or turn on your computer and immediately access the boot menu. The key to access the boot menu varies by manufacturer:
- Common keys: F2, F10, F12, Del, Esc
- Check your computer's manual or manufacturer's website for the exact key
Select USB Drive
From the boot menu, select your USB drive. On newer computers with UEFI, you might see options like "UEFI: USB Drive" or similar.
Ubuntu Menu Appears
The Ubuntu boot menu should now appear. You can choose between:
- Try Ubuntu without installing
- Install Ubuntu
- OEM install (for manufacturers)
- Check disk for defects
Features of Ubuntu 18.04 LTS
Ubuntu 18.04 introduced several significant features and improvements:
| Feature | Description |
|---|---|
| GNOME 3.28 | Default desktop environment with new features and better performance |
| Linux Kernel 4.15 | Improved hardware support and performance |
| Minimal Installation Option | Install only essential applications to save space |
| Installer Improvements | Streamlined installation process with better hardware detection |
| Enhanced Security | Full-disk encryption and other security enhancements |
| App improvements | Updated applications including GNOME To Do, GNOME Calendar, and more |
| Snap Store | Pre-installed snapd for easy installation of snap applications |
Common Uses for Ubuntu 18.04 USB Image
- System Installation: Installing Ubuntu 18.04 as your primary operating system
- Dual-boot Setup: Running Ubuntu alongside another operating system like Windows
- Testing: Trying Ubuntu without making changes to your computer
- System Rescue: Using tools on the USB to repair or recover a damaged system
- Cloning: Creating identical Ubuntu installations across multiple computers
- Training/Demonstrations: Educational purposes or demonstrating Ubuntu to others
Post-Installation Tips
After installing Ubuntu 18.04, consider these tips to enhance your experience:
- Run
sudo apt update && sudo apt upgradeto ensure your system is up to date - Install additional software from the Ubuntu Software Center
- Customize your desktop environment with themes and extensions
- Set up backup solutions to protect your important data
- Explore the powerful terminal and learn basic command-line operations
- Join the Ubuntu community for support and resources
Conclusion
Creating and using a USB image of Ubuntu 18.04 LTS is a straightforward process that allows you to install or try one of the most stable and user-friendly Linux distributions. As an LTS release, Ubuntu 18.04 provides a balance between cutting-edge features and long-term stability, making it suitable for various use cases from personal computing to enterprise server environments.
By following the steps outlined in this guide, you should be able to successfully create a bootable Ubuntu 18.04 USB drive and experience all the benefits that this robust operating system has to offer.
