How to Install Ubuntu 26.04 LTS on Bare Metal – Linux Hint

Canonical has unleashed Ubuntu 26.04 LTS, codenamed ‘Resolute Raccoon,’ bringing 5 years of rock-solid support, extendable to 10 with Ubuntu Pro. For those who prioritize stability over rapid release cycles, this Long Term Support version is a game-changer. This comprehensive guide walks tech-savvy users through a clean, bare-metal installation, sidestepping the complexities often associated with in-place upgrades. Discover how to get the most out of your new Linux distribution with a fresh start, ensuring optimal performance and a clutter-free environment from day one. Get ready to master your next operating system installation with confidence!

Embracing Ubuntu 26.04 LTS: Why a Clean Install Matters

Canonical’s release cycle ensures a new LTS (Long Term Support) version of Ubuntu every two years. If you, like many seasoned Linux users, prefer steadfast stability over the shorter lifespan of interim releases (such as Ubuntu 25.04), then Ubuntu 26.04 LTS is your ideal choice. These LTS versions offer a remarkable 5 years of standard support, a period that can be extended up to 10 years with Ubuntu Pro, providing unparalleled longevity and security for your computing environment.

Understanding Ubuntu LTS and Ubuntu Pro

Ubuntu 26.04 LTS, affectionately codenamed "Resolute Raccoon," hit the digital shelves on April 23rd. The extended support window for LTS releases makes them the preferred choice for production environments, developers, and anyone who values system consistency without frequent, disruptive upgrades. Ubuntu Pro further fortifies this by expanding security coverage to thousands of open-source packages in the ‘universe’ repository, offering kernel livepatching, and ensuring compliance for regulated industries.

The Case for a Fresh Operating System Installation

While upgrading directly from Ubuntu 24.04 LTS to 26.04 LTS will eventually become available (typically after the 26.04.1 point release), many enthusiasts, myself included, advocate for a clean installation. The primary reason is to avoid the accumulation of system clutter – old configuration files, unused packages, and remnants of third-party repositories that can build up during an in-place upgrade. A fresh operating system installation guarantees a pristine, optimized system, free from legacy cruft, allowing you to enjoy the full benefits of Ubuntu 26.04 LTS with peak performance. This approach provides a truly clean slate, which is invaluable for maintaining system integrity and responsiveness over its extended support life.

Preparing Your System for Ubuntu 26.04 LTS

Before embarking on your installation journey, careful preparation is key. This involves safeguarding your data and creating the necessary installation media.

Crucial Data Backup Strategies

This is, without a doubt, the most critical step. Before proceeding with any major system change, ensure all your valuable data is securely backed up. Whether it’s cherished personal files or crucial project data, do not skip this. Options include:

• An external physical drive.
• A cloud storage service (e.g., Google Drive, Dropbox). If opting for cloud storage, especially for sensitive data, ensure it’s encrypted. For privacy-conscious users, **command-line tools** like `rclone` offer robust encryption and syncing capabilities. For those who prefer a graphical interface, Rclone UI provides a user-friendly way to encrypt and manage your cloud backups.
• A home NAS (Network Attached Storage) for homelab enthusiasts.

Downloading the Ubuntu 26.04 LTS ISO

The first tangible step is to acquire the Ubuntu 26.04 LTS ISO file. Visit the official Ubuntu website and download the ISO image relevant to your machine’s architecture. For most modern desktops and laptops, this will be the AMD64 version.

This file will typically be saved in your Downloads directory.

Creating a Bootable USB Drive with Command-Line Tools

Once you have the ISO, the next step is to transform a USB drive into a bootable installation medium. This process uses powerful command-line tools and requires precision.

1. Identify your USB device: Open your terminal (CTRL + ALT + T) and run lsblk to list all storage devices connected to your hardware:

   lsblk

   Carefully identify your USB drive (e.g., /dev/sdc). It’s crucial to identify the entire device (e.g., sdc), not a partition on it (e.g., sdc1). Misidentifying this can lead to data loss on other drives.

2. Unmount the USB drive: Just to be safe, unmount your USB drive if it was automatically mounted by your system:

   sudo umount /dev/sdc1

   (Replace /dev/sdc1 with your USB device’s partition, if applicable. If it has multiple partitions, unmount them all.)

3. Flash the ISO to the USB drive: Now, use the dd command to write the ISO image to your USB drive. Make sure your ISO filename and the destination path for your USB device are correct.

   sudo dd if=/path/to/your/Downloads/ubuntu-26.04-desktop-amd64.iso of=/dev/sdc bs=4M status=progress oflag=sync

   A Word of Caution: The dd command is extremely powerful. Double-check that of=/dev/sdc points to your USB drive and not your main hard drive, as this will overwrite all data on the specified drive. The bs=4M sets the block size for faster transfers, status=progress provides real-time updates, and oflag=sync is crucial for ensuring all data is written to the disk before the command completes, preventing an unbootable drive.

Your USB is now bootable!

Step-by-Step Ubuntu 26.04 LTS Installation Guide

With your bootable USB ready and data backed up, you’re prepared for the main event: installing Ubuntu 26.04 LTS.

Booting from Your USB Drive

1. Insert the bootable USB into your bare metal system and restart it.
2. As the system starts, you’ll need to press a specific key to enter the boot menu or BIOS/UEFI settings. Common keys include F2, F10, F12, or DEL, depending on your motherboard manufacturer (e.g., F12 for Dell systems).
3. In the boot menu, select "USB Storage Device" or a similar option for your USB drive and press Enter.

Navigating the Ubuntu Installer

1. Select "Try or Install Ubuntu": Choose this option from the initial GRUB menu.
2. Language and Accessibility: You’ll be greeted by the preparing Ubuntu screen. Select your preferred language, then click Next. You can explore accessibility options if needed, then proceed.
3. Keyboard Layout: Choose your keyboard layout and variant, and test it in the provided field. Click Next.
4. Network Connection: Connecting to your network is highly recommended at this stage to download updates and additional drivers during installation. Click Next once connected.
5. Installation Type: Select "Install Ubuntu" and click Next.
6. Installation Method: Opt for "Interactive installation" for full control, then Next.
7. Software Selection: Choose "Default selection" to get a standard Ubuntu desktop experience, then Next.
8. Third-Party Software & Media Formats: For a complete and functional system, it’s highly recommended to check both options: "Install third-party software for graphics and Wi-Fi hardware" and "Download and install support for additional media formats." This ensures broader hardware compatibility and multimedia playback. Click Next.

Configuring Your Ubuntu System

1. Installation Options: If you’re coming from Ubuntu 24.04 LTS, the installer will detect it. You’ll be presented with options like "Install Ubuntu 26.04 LTS alongside Ubuntu 24.04" or "Erase Ubuntu 24.04 completely and install Ubuntu 26.04 LTS." Given our preference for a clean install and having backed up your data, choose the option to "Erase Ubuntu 24.04 completely."
2. Disk Encryption: On the next screen, choose "No encryption" unless you have specific security requirements. Click Next.
3. User Details: Enter your name, your computer’s name, your desired username, and a strong password. If you don’t use Active Directory, uncheck that option.
4. Timezone: Select your timezone.
5. Review and Install: Finally, review all your choices on the summary screen. If everything looks correct, click "Install."

The installation process, powered by the updated Subiquity installer and featuring the sleek GNOME 46 desktop environment, will now begin. Sit back and relax while Ubuntu 26.04 LTS is written to your disk.

Finalizing the Installation

Once the installation is complete, you’ll be prompted to either continue testing or restart. Choose "Restart Now." The system will then ask you to remove the installation media (your USB drive) before pressing Enter to reboot into your brand-new Ubuntu 26.04 LTS system.

Log in with your newly created password. Ubuntu will present a welcome screen, allowing you to choose your styling and accent color preferences. Select your desired options and finish the process. You are now all set to explore and utilize Ubuntu 26.04 LTS!

Post-Installation Essentials: Update and Upgrade

Even with a fresh installation, it’s good practice to ensure your system is fully up-to-date. Open your terminal (CTRL + ALT + T) and run the following commands:

1. Update package lists:

   sudo apt update

   This command refreshes the list of available packages from Ubuntu’s repositories.

2. Upgrade installed packages:

   sudo apt upgrade

   This command will install any newer versions of packages that are already installed on your system. It’s a vital step to ensure you have the latest security patches and bug fixes.

Conclusion

As of this writing, direct in-place upgrades from Ubuntu 24.04 LTS to 26.04 LTS are not immediately available. For a swift transition, creating a bootable USB drive and performing an external installation is the most reliable method. This approach offers the flexibility to install Ubuntu 26.04 LTS alongside an existing OS or, as recommended for optimal performance, to erase the previous Linux distribution entirely for a fresh start. Always remember to back up your data meticulously if opting for a full system wipe. While waiting for the Ubuntu 26.04.1 release (expected around August 2026) will enable in-place upgrades, the clean installation outlined here remains the preferred choice for many due to its ability to prevent system clutter and guarantee a pristine, high-performing Ubuntu experience.

FAQ

Question 1: Why should I choose Ubuntu LTS over short-term releases?

Answer 1: LTS versions like Ubuntu 26.04 offer extended support (5 years, up to 10 with Ubuntu Pro), providing unparalleled stability, security updates, and a consistent environment for longer periods. This is ideal for production systems, professionals, and users who prefer not to upgrade their core Linux distribution frequently, ensuring a reliable computing experience without constant system overhauls. They are rigorously tested and refined for maximum reliability.

Question 2: What are the primary advantages of a fresh bare-metal installation compared to an in-place upgrade?

Answer 2: While convenient, in-place upgrades can sometimes carry over legacy configuration files, unused packages, or third-party repository remnants, leading to system clutter or subtle performance issues. A fresh bare-metal operating system installation ensures a pristine system, free from any potential cruft, allowing for optimal performance and a clean slate. This is particularly beneficial for tech enthusiasts or those running resource-intensive applications, guaranteeing a peak-performance environment.

Question 3: How does Ubuntu Pro enhance the Ubuntu LTS experience for advanced users?

Answer 3: Ubuntu Pro extends security maintenance to 10 years, covering not just the main Ubuntu packages but also a vast array of open-source applications and toolchains through the ‘universe’ repository. It also includes features like kernel livepatching (allowing kernel updates without reboots), FIPS 140-2 certification, and access to advanced security tooling. For example, it provides access to the latest security updates for popular applications like Docker, Nginx, and Kafka much longer than standard support. This makes it invaluable for servers, workstations in regulated environments, and users who demand the highest level of security and long-term support for their Linux distribution.

Read the original article