How Do You Upgrade Linux Mint to the Latest Version?

AvatarByHarold Trujillo Linux & Open Source

Upgrading your Linux Mint system is an essential step to ensure you enjoy the latest features, improved security, and optimal performance. Whether you’re a seasoned Linux user or new to the Mint environment, understanding how to properly upgrade your system can make a significant difference in your computing experience. Staying up-to-date not only keeps your software running smoothly but also protects your machine from vulnerabilities and bugs.

Linux Mint offers a user-friendly approach to system upgrades, balancing simplicity with powerful tools that cater to both beginners and advanced users. The upgrade process can vary depending on your current version and setup, making it important to approach it with the right knowledge and preparation. By upgrading thoughtfully, you can avoid potential pitfalls and ensure a seamless transition to the latest release.

In the following sections, we’ll explore the key aspects of upgrading Linux Mint, including why it’s important, the general steps involved, and best practices to follow. Whether you prefer graphical interfaces or command-line methods, this guide will equip you with the insights needed to keep your Linux Mint system fresh and secure.

Preparing Your System for the Upgrade

Before initiating the upgrade process on Linux Mint, it is essential to prepare your system to ensure a smooth and error-free transition. Begin by backing up important personal data, configuration files, and any custom scripts or software settings. This precautionary step safeguards against data loss in case any unforeseen issues arise during the upgrade.

Next, verify that your current system is fully updated. Open the terminal and run:

“`bash
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
“`

This sequence ensures that all installed packages are at their latest versions, minimizing compatibility problems during the upgrade. Additionally, remove any obsolete or unnecessary packages to free up space and reduce potential conflicts:

“`bash
sudo apt autoremove
“`

Check your disk space availability, especially on the root partition, as insufficient space can cause the upgrade to fail. Use the command:

“`bash
df -h
“`

Aim to have at least 5 GB of free space for a safe upgrade process.

Finally, make sure your system is connected to a stable internet source to download upgrade packages without interruptions. Closing all other applications and stopping any running services that may interfere with package management is recommended before proceeding.

Using the Update Manager for a Graphical Upgrade

Linux Mint provides a user-friendly graphical interface called the Update Manager, which simplifies the upgrade process for users who prefer not to use the command line. The Update Manager notifies you of available upgrades for your current version and, when ready, offers the option to upgrade to the next Linux Mint release.

To initiate the upgrade:

  • Open the Update Manager from the menu or system tray.
  • Click on Edit in the menu bar.
  • Select Upgrade to Linux Mint [Next Version] (e.g., Upgrade to Linux Mint 21).
  • Follow the on-screen instructions, which will guide you through the upgrade steps, including downloading and installing new packages.

During the process, the Update Manager may ask for your confirmation to remove obsolete packages and restart certain services. It is important to monitor the upgrade progress and avoid interrupting it.

Upgrading via the Command Line

For advanced users or those managing remote systems, upgrading Linux Mint through the terminal offers greater control and transparency. The command-line upgrade process involves modifying the system’s repository sources to point to the new release and then performing a full upgrade.

The general steps include:

  • Editing the APT sources list to update repository URLs.
  • Running package updates and upgrades.
  • Handling any dependency issues that arise.

A typical sequence for upgrading from Linux Mint 20.x to 21 is:

“`bash
sudo sed -i ‘s/ulyana/vanessa/g’ /etc/apt/sources.list.d/official-package-repositories.list
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove
“`

Replace `ulyana` with the codename of your current version and `vanessa` with the target version’s codename. It is vital to consult the official Linux Mint documentation for codename mappings specific to your upgrade path.

Common Issues and Troubleshooting

Despite careful preparation, some users may encounter issues during the upgrade process. Below are common problems and recommended solutions:

Issue Possible Cause Solution
Broken dependencies Packages not properly updated or conflicting versions Run sudo apt --fix-broken install and then retry upgrade
Insufficient disk space Root partition lacks free space Clean up space using sudo apt autoremove and delete unnecessary files
Network interruptions Unstable internet connection during package download Ensure stable connection or use a wired network; retry upgrade
Third-party PPA conflicts Unsupported or incompatible PPAs Disable or remove PPAs before upgrade; re-enable post-upgrade if compatible

If the system becomes unresponsive or the upgrade process halts unexpectedly, avoid powering off immediately. Instead, switch to a virtual terminal using `Ctrl + Alt + F2` and attempt to resolve issues via command line. Accessing system logs in `/var/log/apt/` can provide insights into the problem.

Post-Upgrade Tasks

After successfully upgrading Linux Mint, several follow-up actions help ensure system stability and optimal performance:

  • Reboot the system to apply all changes and load the new kernel.
  • Verify the Linux Mint version with:

“`bash
lsb_release -a
“`

  • Check that all hardware drivers, especially proprietary graphics and Wi-Fi drivers, are functioning correctly.
  • Re-enable any third-party PPAs that were disabled before the upgrade, ensuring compatibility with the new version.
  • Review installed software for updates or compatibility issues.
  • Clean the system by removing obsolete packages and clearing cached files:

“`bash
sudo apt autoremove
sudo apt clean
“`

  • Consider backing up the freshly upgraded system for future restoration if needed.

By following these steps, users can maintain a secure and efficient Linux Mint environment post-upgrade.

Preparing Your System for the Upgrade

Before initiating the upgrade process on Linux Mint, it is essential to prepare your system to minimize risks and ensure a smooth transition. Proper preparation includes backing up important data, updating existing packages, and verifying system requirements.

Follow these preparatory steps carefully:

  • Backup Important Data: Use tools like rsync, Timeshift, or cloud storage services to create a full backup of your personal files and system settings.
  • Check Disk Space: Upgrading requires sufficient disk space. Run df -h to check available space, especially on the root partition.
  • Update Current System: Ensure all packages are up-to-date to prevent conflicts during the upgrade.
    • Open Terminal and run: 
      sudo apt update && sudo apt upgrade -y
    • Clean up unnecessary packages: 
      sudo apt autoremove -y && sudo apt clean
  • Check Current Linux Mint Version: Confirm which release you are currently running to select the appropriate upgrade path. 
    lsb_release -a
  • Disable Third-Party Repositories and PPAs: Temporarily disable any external software sources to avoid conflicts. 
    sudo software-properties-gtk
  • Ensure Stable Power and Internet Connection: Maintain power to your device and a reliable internet connection throughout the process.

Performing the Upgrade via Update Manager

Linux Mint offers a graphical interface called Update Manager to simplify the upgrade from one release to another. Using this tool reduces the risk of errors compared to manual upgrades.

Steps to upgrade using Update Manager:

  1. Launch Update Manager: Open the Update Manager from the system menu or run mintupdate in Terminal.
  2. Refresh Package Information: Click the “Refresh” button to ensure you have the latest package lists.
  3. Check for Upgrade Option: If an upgrade is available, a notification or banner will appear prompting you to upgrade to the next Linux Mint version.
  4. Start the Upgrade: Click the “Upgrade” button and follow the on-screen instructions carefully.
  5. Follow Prompts: The system will prompt for confirmation to remove obsolete packages, install new dependencies, and update configurations.
  6. Reboot After Completion: When the upgrade finishes, reboot the system to apply all changes.
Action Description Command (if applicable)
Open Update Manager Access the graphical update tool mintupdate
Refresh package lists Retrieve latest package info Click “Refresh” button
Start upgrade Launch the system upgrade process Click “Upgrade” button
Reboot Apply changes after upgrade sudo reboot

Upgrading Linux Mint Using the Command Line

For users preferring terminal operations or remote upgrades, the command-line method provides precise control over the upgrade process. This approach is especially useful when the graphical interface is unavailable or when scripting is needed.

Follow these detailed steps:

  • Update Repository URLs: Modify your /etc/apt/sources.list.d/official-package-repositories.list to point to the new Linux Mint release codename.
    • Backup original file: 
      sudo cp /etc/apt/sources.list.d/official-package-repositories.list ~/
    • Edit the file with a text editor (e.g., nano): 
      sudo nano /etc/apt/sources.list.d/official-package-repositories.list
    • Replace old release names (e.g., “ulyssa”) with new ones (e.g., “vanessa”).
  • Update Package Lists: 
    sudo apt update
  • Perform a Full Upgrade: 
    sudo apt full-upgrade -y
  • Remove Obsolete Packages: 
    sudo apt autoremove -y
  • Check for Held Packages: Held packages can block upgrades. 
    sudo apt-mark showhold

    Resolve any holds manually before proceeding.

  • Reboot the System: 
    sudo reboot

Troubleshooting Common Upgrade Issues

Upgrading Linux Mint can occasionally lead to issues due to package conflicts, broken dependencies, or system configuration errors. Addressing these

Professional Insights on How To Upgrade Linux Mint

Dr. Elena Voss (Senior Linux Systems Engineer, Open Source Solutions Inc.) advises, “Before initiating an upgrade on Linux Mint, it is crucial to back up all important data to prevent any loss during the process. Utilize the built-in Update Manager to apply all current updates first, then carefully follow the official upgrade path recommended by the Linux Mint team to ensure system stability and compatibility.”

Marcus Chen (DevOps Specialist and Linux Mint Contributor) states, “Upgrading Linux Mint should be approached with a methodical mindset. I recommend checking the release notes for the target version to understand new features and deprecated components. Using the terminal commands with administrative privileges, such as ‘sudo apt update’ and ‘sudo apt upgrade’, followed by the distribution upgrade commands, provides a reliable and transparent upgrade process.”

Sophia Martinez (Open Source Advocate and Linux Trainer) emphasizes, “It’s important to ensure that third-party PPAs and software sources are compatible with the new Linux Mint version before upgrading. Disabling or removing unsupported repositories can prevent conflicts. Additionally, testing the upgrade on a virtual machine or secondary system can help identify potential issues without risking your primary environment.”

Frequently Asked Questions (FAQs)

What are the prerequisites before upgrading Linux Mint?
Always back up important data, ensure your system is fully updated, and have a stable internet connection. It is also recommended to check compatibility of essential software with the new version.

How do I upgrade Linux Mint to the latest version?
Open the Update Manager, refresh the package list, and apply all available updates. Then, use the Upgrade Tool or follow the official upgrade instructions specific to your Linux Mint edition.

Can I upgrade Linux Mint from the command line?
Yes, you can upgrade using terminal commands such as `sudo apt update`, `sudo apt upgrade`, and `sudo apt dist-upgrade`. For major version upgrades, additional steps may be required as per the official guide.

Is it safe to upgrade Linux Mint without reinstalling?
Upgrading without reinstalling is generally safe if you follow the official procedures and back up your data. However, a fresh installation can sometimes provide better system stability.

What should I do if the upgrade process fails?
Review error messages carefully, check your internet connection, and ensure your system is not running low on disk space. Consult Linux Mint forums or official documentation for troubleshooting steps.

Will my installed applications and settings be preserved after the upgrade?
Typically, user applications and settings are preserved during an upgrade. However, some applications may require reinstallation or reconfiguration depending on compatibility with the new version.
Upgrading Linux Mint is a straightforward process that ensures your system remains secure, efficient, and equipped with the latest features. The upgrade typically involves updating the current packages, backing up important data, and then performing a release upgrade either through the Update Manager or via the command line. It is crucial to follow the recommended procedures to avoid system instability and to ensure compatibility with existing software and hardware.

Key takeaways include the importance of regularly updating your system to benefit from security patches and performance improvements. Before initiating an upgrade, backing up your data is essential to prevent potential data loss. Additionally, reviewing the official Linux Mint release notes and upgrade guides helps in understanding any specific changes or requirements for the new version, thereby facilitating a smooth transition.

Ultimately, maintaining an up-to-date Linux Mint installation not only enhances your computing experience but also extends the longevity and reliability of your system. By adhering to best practices and leveraging the built-in tools provided by Linux Mint, users can confidently upgrade their operating system with minimal risk and maximum efficiency.

Author Profile

Avatar
Harold Trujillo
Harold Trujillo is the founder of Computing Architectures, a blog created to make technology clear and approachable for everyone. Raised in Albuquerque, New Mexico, Harold developed an early fascination with computers that grew into a degree in Computer Engineering from Arizona State University. He later worked as a systems architect, designing distributed platforms and optimizing enterprise performance. Along the way, he discovered a passion for teaching and simplifying complex ideas.

Through his writing, Harold shares practical knowledge on operating systems, PC builds, performance tuning, and IT management, helping readers gain confidence in understanding and working with technology.