Xubuntu: Light and performance for your PC

Introduction

Xubuntu is an official variant of Ubuntu that uses the Xfce desktop environment, designed to provide a balance between performance and usability in equipment with limited resources.

History and evolution

The Xubuntu project was born as an official response by Canonical to the demand for a Xfce-based Ubuntu distribution. The first version, Xubuntu 6.06 LTS, came along with Ubuntu Daper Drake and offered long-term support for three years.

Main technical characteristics

  • Xfce 4.18 desktop environment (in the latest LTS version) with configurable panel, xfwm4 window manager and Thunar file manager.
  • Linux core 6.5 or higher, providing recent support for modern hardware and energy efficiency improvements.
  • APT package manager and access to the same repositories as Ubuntu, which ensures compatibility with thousands of .deb and PPA applications.
  • Configuration tools like Xfce Settings Manager, which allow you to adjust themes, keyboard shortcuts and desktop behavior without command line.
  • Low memory consumption: a typical installation uses between 250 and 350 MB of RAM at rest, leaving wide scope for productivity applications.

Advantages of choosing Xubuntu

  • Optimal performance in netbooks, old laptops and virtual machines, thanks to its light footprint.
  • Stability and security inherited from the Ubuntu launch cycle, with regular security updates and five-year LTS support in the even versions.
  • Easy to use for newcomers: the application menu and the panel are intuitive, and official documentation is abundant.
  • Personalization flexibility: accessories such as docks, system applets and light composition effects can be installed according to user preferences.
  • Total compatibility with the Ubuntu ecosystem: the same tutorials, problem-solving guides and unadapted packages can be used.

Possible limitations

  • Advanced visual effects and desks with heavy composition effects may not be as polished as in GNOME Shell or KDE Plasma, although Xfce does allow to activate basic composition.
  • Some modern applications that are reliably dependent on GTK 4 or Qt 6 libraries may require more recent versions of libraries, but are usually available in the repositories.
  • The default appearance may seem more austere than the more modern environments, although this is easily solved with third-party themes and icons.

Step-by-step installation guide

  1. Download the latest ISO image from the official pagexubuntu.orgor from the Ubuntu release server.
  2. Check the integrity of the download by checking the SHA256 checksum published on the download page.
  3. Prepare a USB boot medium using tools such as Rufus (Windows), Etcher (multiplatform) or commandddin Linux.
  4. Insert the USB into the target machine, restart and access the boot menu (usually F12, Esc or Del according to the manufacturer).
  5. Select the option «Try Xubuntu without installing» to test the live environment; or «Install Xubuntu» to start the direct installation.
  6. In the installer, choose the language, keyboard distribution and type of installation (normal, minimum or something intermediate).
  7. Partify the disk according to your needs: you can use the entire disk, create a root partition and a swap, or configure LVM / encrypted if you want.
  8. Wait for the process to copy the files, configure the GRUB boot manager and finish the installation.
  9. Reboot the system, remove the installation medium and enjoy your new Xubuntu desktop.

Recommended post-installation configuration

  • Update the system immediately withsudo apt update && sudo apt upgradeto make sure you have the last security patches.
  • Install private drivers if your hardware requires them (e.g. NVIDIA cards) bysudo ubuntu-drivers autoinstall.
  • Configure the energy manager in Xfce Settings > Power Manager to optimize laptops consumption.
  • Customize the panel: add an application launcher, a system monitor and a clock applet according to your workflow.
  • Install multimedia codecs and reproduction supplements withsudo apt install ubuntu-restricted-extrasto play MP4, MP3 and DVDs without problems.

Recommended software for a productive experience

  • Office: LibreOffice (full suite) or lighter alternatives like AbiWord and Gnumeric if the hardware is very fair.
  • Web browser: Firefox (ESR version) or Chromium, both available in official repositories.
  • E-mail: Thunderbird or the Geary light client.
  • Photo management: Shotwell or gThumb, both with low resource consumption.
  • Media player: VLC or MPV, which offer wide compatibility of codecs.
  • Development: Git, Build-essential, and languages like Python, Node.js or Rust according to your needs.
  • System utilities: BleachBit for cleaning, Stacer for monitoring and GParted for partitioning.

Advanced optimization for very modest machines

  • Disable window composition in Xfce Settings > Window Manager Tweeaks > Composer to win a few megabytes of RAM.
  • Replace the default Thunar file manager by PCManFM or even by the command line environment with ranger if you prefer maximum lightness.
  • It uses a lighter icon and GTK theme, such as Papirus-Light or Adwaita, and avoids themes with heavy shadow effects.
  • Set up swap in a swap file instead of a partition if the disk is very small, adjusting the swappiness to a low value (10-15) to prioritize the RAM.
  • Disable unnecessary services bysystemctl disable(e.g. bluetooth or cups if not used).
  • Consider using a low-latency kernel or a custom kernel if you need even more response in real-time applications.

Community and support

Xubuntu has an active community that participates in the Ubuntu forums, in Ask Ubuntu and in the subreddit r / xubuntu. Users can find problem-solving guides, customization tutorials and answers to specific questions.

In addition, each LTS version receives five years of security and maintenance updates, making it suitable for deployment in educational, business and domestic environments where longevity and low maintenance costs are valued.

Conclusion

Xubuntu remains one of the best options for those who want to enjoy the advantages of Ubuntu without the overhead of heavier desktop environments. Its combination of performance, stability and flexibility makes it an ideal solution for old hardware, low-consumption laptops, virtual machines and any scenario where efficiency is valued without sacrificing functionality. If you are looking for a light, well-backed and user-friendly Linux distribution, Xubuntu deserves serious consideration.

This work is under aCreative Commons License Attribution 4.0 International for Francesc Roig francesc @ vivaldi.net.

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