How to install lxqt

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Last updated: April 4, 2026

Quick Answer: To install LXQt, you typically use your distribution's package manager. For Debian/Ubuntu-based systems, it's often `sudo apt install lxqt`. For Fedora, use `sudo dnf install @lxqt-desktop`. Arch Linux users can install it with `sudo pacman -S lxqt`. After installation, you'll select LXQt from your display manager's session menu upon login.

Key Facts

LXQt is a free, open-source desktop environment, a merger of LXDE and Razor-qt.
It is known for being lightweight, fast, and energy-efficient.
Installation varies by Linux distribution's package manager.
LXQt aims to provide a modern, intuitive, and easy-to-use desktop experience.
It uses Qt toolkit for its components and applications.

Overview

LXQt is a popular, free, and open-source desktop environment for Linux and other Unix-like operating systems. It emerged from the merger of two previous projects: LXDE (Lightweight X11 Desktop Environment) and Razor-qt. The primary goal of LXQt is to provide a lightweight, fast, energy-efficient, and user-friendly desktop experience. It is built using the Qt toolkit, which allows for cross-platform compatibility and a modern look and feel. LXQt is an excellent choice for users who want a responsive desktop on older hardware, or for those who simply prefer a less resource-intensive computing environment.

Installation Methods

The installation process for LXQt depends heavily on the Linux distribution you are using. Most distributions offer LXQt as a desktop environment package that can be easily installed via their respective package managers.

Debian and Ubuntu-based Systems (apt)

For distributions like Debian, Ubuntu, Linux Mint, and their derivatives, the Advanced Package Tool (apt) is the primary package manager. To install LXQt, open a terminal and execute the following command:

sudo apt updatesudo apt install lxqt

This command will update your package lists and then install the core LXQt desktop environment along with its essential components. You might also consider installing additional LXQt applications or themes if available in your distribution's repositories.

Fedora and RHEL-based Systems (dnf)

Fedora and its related distributions (like CentOS Stream, Rocky Linux, AlmaLinux) use the DNF package manager. Fedora often packages desktop environments as "groups." To install LXQt on Fedora, use:

sudo dnf updatesudo dnf install @lxqt-desktop

The `@lxqt-desktop` group includes the LXQt desktop environment and a selection of recommended applications.

Arch Linux and Derivatives (pacman)

Arch Linux users and those using its derivatives (like Manjaro) utilize the pacman package manager. The installation command is:

sudo pacman -Syusudo pacman -S lxqt

This command synchronizes your package databases and then installs the LXQt package. Arch Linux often provides a minimal base installation, so you might need to install additional components or applications separately based on your preferences.

Other Distributions

Many other Linux distributions offer LXQt. You should consult your distribution's documentation or use its specific package manager command. For example:

openSUSE: Use `sudo zypper install lxqt-desktop`.
Gentoo: Add `lxqt` to your USE flags and then install via `emerge`.

Post-Installation Steps

Once the installation is complete, you usually need to log out of your current desktop session. At the login screen (display manager, such as GDM, LightDM, SDDM), there should be an option to select your desktop session. Look for an icon or a dropdown menu, often near the password field, that allows you to choose "LXQt." Select it, and then log in. Your system should now boot into the LXQt desktop environment.

Customization and Configuration

LXQt is highly customizable. Upon logging in, you'll find a familiar layout with a panel (taskbar), a start menu, and a system tray. Key components include:

PCManFM-Qt: The default file manager, known for its speed and tabbed interface.
LXQt Configuration Center: A central hub for managing system settings, appearance, keyboard shortcuts, power management, and more.
QTerminal: The default terminal emulator.
FeatherPad: A simple text editor.
Discover: A software center for managing applications (availability may vary by distribution).

You can personalize the appearance by changing themes, icons, fonts, and desktop backgrounds. The panel is also highly configurable, allowing you to add or remove applets and rearrange its layout.

System Requirements

LXQt is designed to be lightweight. While specific requirements can vary slightly depending on the distribution and the number of services running, it generally runs well on systems with:

A 64-bit or 32-bit processor.
At least 512 MB of RAM (1 GB or more is recommended for a smoother experience).
Around 2-3 GB of free disk space for the base installation, plus space for applications and user data.

Its low resource usage makes it an ideal choice for older computers or virtual machines.

Troubleshooting Common Issues

If you encounter issues after installation:

Login loop: This can sometimes occur if display manager configurations are not updated correctly. Ensure your display manager is set to use LXQt. Check logs in `/var/log/` for clues.
Missing components: If certain applications or features are missing, you may need to install additional LXQt-related packages using your package manager. Consult your distribution's documentation for recommended LXQt metapackages or groups.
Performance issues: While LXQt is lightweight, ensure your graphics drivers are installed correctly. Sometimes, disabling certain visual effects can improve performance on very low-end hardware.

Always refer to your specific Linux distribution's forums or documentation for tailored support.