This simple tutorial shows how to install the latest LXQt desktop 1.1.0 in (L)Ubuntu 22.04 via its official PPA.
The light LXQt desktop environment has reached version 1.1.0 for a few months, which LUbuntu 22.04 ships the 0.17 version by default.
Changes since LXQt 0.17 to 1.1.0 include:
- Depend on QT 5.15 LTS.
- Option to make desktop items sticky by default
- Add ‘do-not-disturb’ mode.
- Add “Custom Command” plugin
- New wallpapers and themes.
- New component
xdg-desktop-portal-lxqtfor non-Qt apps to use LXQt file dialog.
- See more at the releases page.
Install LXQt 1.1.0 via PPA:
1. Purge third-party PPA (if any)
For those who are using this unofficial PPA for the latest LXQt packages, LUbuntu team recommends to remove it first.
First, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run command to install the ppa-purge tool:
sudo apt install ppa-purge
Type user password (no asterisk feedback) for sudo prompt and hit Enter to continue.
Next, use the tool to purge unofficial PPA which also downgrade all installed packages:
sudo ppa-purge ppa:severusseptimius/lxqt
2. Add LUbuntu backports PPA
Then, run the command below in terminal to add the official PPA instead:
sudo add-apt-repository ppa:lubuntu-dev/backports
3. Update LXQt Desktop:
Finally, use the command below to update LXQt to v1.1.0:
sudo apt full-upgrade
apt full-upgrade is required rather than
apt upgrade, or some core libraries will be kept back.
For non-LUbuntu but Ubuntu 22.04 based systems, use the command below to install LXQt 1.1.0:
sudo apt install lubuntu-desktop
In case you want to restore your system later, it’s better to written down what packages it’s going to install via terminal output
Uninstall LXQt 1.1.0 in LUbuntu 22.04
To restore your LUbuntu desktop, run the command below in terminal to install ppa-purge and use the tool to purge the PPA repository:
sudo apt install ppa-purge && sudo ppa-purge ppa:lubuntu-dev/backports
Finally, restart your system.