News, Tutorials, Howtos for Ubuntu Linux
Looking for a MacOS Hand Mirror alternative app for Ubuntu? Here’s one for the GNOME desktop.
It’s CamPeek, an extension adds an icon on GNOME top-bar, allowing to one-click to preview your webcam. It’s lightweight and fast! And, it streams your webcam feed directly without recording or saving any data.
image from app’s Github project page
Mission Center, the popular free open-source system monitoring and task managing app for Linux Desktop, release new 1.0.0 version few days ago.
Like Resources, it’s a modern GTK4 tool to monitor CPU, GPU, Memory, Storage and Network devices, while being able to manage running apps, processes, as well as background services.
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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The 1.21.0 release of the popular free open-source RetroArch game emulator frontend is available to download!
The new RetroArch release introduced 2 new camera drivers to use. Previously, it uses V4L2 (Video for Linux 2) the kernel-level framework to interact with cameras. Now, user can choose to use ffmpeg multimedia framework with high-level functionalities, such as format conversion, filtering, and transcoding, or use pipewire for minimal latency.
Mozilla Firefox 138.0 is available to download today after 9 beta releases. Here are the new features in this monthly release.
The Firefox 138.0 announcement is not ready at the moment of writing, though the download link is out. According to the Github releases page, the new Firefox release enhanced profile management support.
image from mozilla.org
qBittorrent, the free open-source Qt-based BitTorrent client, announced new major 5.1.0 release on this Sunday.
The new release added a feature that was requested almost 9 years ago. It’s the ability to drag’n’drop items from torrent content widget into another applications, e.g., VLC for video playback.
Mixxx, the free open-source DJ software, released new 2.5.1 version one day ago.
Although this is a first minor update for the 2.5 branch, it includes new features such as mapping support for several new MIDI controllers. They include:
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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