News, Tutorials, Howtos for Ubuntu Linux
Need to use your Linux laptop, desktop PC, or mobile screen as a second monitor for another Linux device? Here’s an application that can do the job easily.
As you may know, GNOME since v41 added support Remote Desktop (RDP) protocol support with ability to create virtual monitors. And, I’ve written about how to manually create virtual monitor in Ubuntu to share with others.
My Laptop is using Desktop PC screen as a second monitor
As you may know, GIMP provides official Linux packages through Flatpak and AppImage. The Flatpak package however does NOT automatically switch app color to light or dark depends on system color scheme.
That’s because Flatpak is running in sandbox environment. The sandbox isolation enhances security and makes easy to distribute newer software releases without worrying about dependency issue. However, it has limited access to host resources causing issues, including theming.
Python 3.14, the next major version of the popular programming language, released the second Beta few days ago. Here’s how to install it in all current Ubuntu releases.
Python 3.14 is planned to be released on October 07, 2025, with 5 years of support until 2030. It’s so far in Beta for testing and software developers to prepare their project for new Python version compatibility.
Touchégg, the popular Linux multi-touch gesture recognizer, released new 2.0.18 version on Sunday!
The new release of this free open-source application, added ability to execute actions both when the touch gesture starts and ends.
Want to try out the Plasma 6.4 desktop in Ubuntu? Here’s how to do the job in (K)Ubuntu 25.04 and/or (K)KUbuntu 25.10.
Plasma 6.4 is the next feature version that will be released on 17 June. KDE announced the first beta of this release in last week. And, KUbuntu developer team has made it into PPA for testing purpose.
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GNOME 48, the default desktop for Ubuntu 25.04 & Fedora 42, introduced built-in break reminders support to protect your eyes from eye strain. The Settings (aka GNOME Control Center) however offers only few configure options for it.
For those who like this feature, there are more configure options about it, though hidden by default. And, this tutorial will show you how to configure them.
Want to round corners of windows in KDE Plasma Desktop? Here’s a KWin effect can do the job in recent Plasma desktop from v5.27 to v6.3.
There was a ShapeCorners KWin/5 effect can do the job to enable rounded window corners, which however discontinued. What I’m going to introduce is KDE-Rounded-Corners, a fork of ShapeCorners with optimization and recent Plasma desktop support.
For NVIDIA users, Ubuntu finally backported the latest NVIDIA 570 driver for Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04, and Ubuntu 24.10 desktop.
NVIDIA 570 is so far the latest production branch driver for Linux that was initially released in February.
The driver features variable refresh rate (VRR) support on multiple monitors, systemd suspend-then-hibernate sleep method, application profile to improve performance on Indiana Jones and the Great Circle.
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Installing Grub-Customizer in Ubuntu 25.04 from PPA will output “Depends: policykit-1 but it is not installable” issue. Here are quick workarounds until it’s fixed upstream.
As the name says, Grub-Customizer is a graphical application to configure the Grub boot-loader, such as set default boot entry, edit boot menu, and add kernel parameters.
Want to protect from accidentally invoking power-off commands, or prevent multi-user or public use computers from being shutdown or restart by non-admin users? This tutorial may help by either hiding the power-off menu or adding password request.
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