News, Tutorials, Howtos for Ubuntu Linux
This is a step by step guide shows how to manually compile & install FFmpeg 8.0 from source with NVIDIA GPU acceleration support through cuda-nvcc and enable-libnpp in Ubuntu 24.04 & 22.04.
FFmpeg 8.0 so far is the latest version of this popular multi-media library, that features APV and ProRes RAW decoders, hardware accelerated VP9 and VVC encoding, and new Vulkan compute-based codecs support for FFv1 (encoding and decoding).
Like the new Ptyxis terminal emulator introduced in Ubuntu 25.10, here’s how to install and set it as default in current Ubuntu 24.04 and 22.04 LTS.
Ptyxis is a modern terminal emulator designed for GNOME with first-class container integration, such as auto-discovery and option to launch a container in new tab, preferences profiles with container integration for Podman, Toolbox, Distrobox, and JHBuild.
The default Firefox browser (Snap version) in Ubuntu 24.04 is always failing to download or open files! Here’s why and how you can fix it.
Not only for Firefox, the issue also happens when read or write user files with other SNAP apps in both Ubuntu 22.04 and 24.04 LTSs.
Firefox cannot download or open files in Ubuntu 24.04
Modern GNOME apps do NOT support traditional themes, but you may change the look with custom color schemes!
As you know, GNOME has moved to use GTK4 + LibAdwaita for its applications and desktop components. And, so many apps use the LibAwaita library for their modern UI, which however do not support theming (see this thread).
GNOME with custom color scheme
This is a step by step guide shows how to install and configure Music Player Daemon (MPD) in Ubuntu 24.04 and higher with default PipeWire sound server.
MPD is a free open-source audio player that can handle large music collection (tens of thousands of songs) while being very fast and using few resources.
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For testing purpose, Microsoft .NET 10 (preview version so far) is available to install in Ubuntu 22.04, Ubuntu 24.04, and 25.04 through PPA.
.NET 10 is the next LTS (Long Term Support) release with 3 years of support. It’s so far in preview development stage, while the full release is expected in November 2025.
Touchpad is too sensitive? Here’s a step by step guide shows how to detect the touchpad pressure values and change the sensitivity accordingly in recent Ubuntu with default libinput driver.
I’ve written about how to adjust touchpad scrolling speed in Ubuntu with Wayland and libinput. And, this one is for the touchpad mouse movement, tap down and up sensitivity.
For NVIDIA users, the latest 575 series driver has been made into Ubuntu repository. Meaning you need a third-party PPA any more.
NVIDIA 575 so far is the latest feature branch Linux driver that improved performance for gaming and power management.
This tutorial shows how to remap touchpad tapping, so you Ubuntu will use 2-finger tap on touchpad as middle click (or paste), and 3-finger tap as right-click action.
GNOME, the default desktop in Ubuntu, has switched to Wayland and is going to drop classic Xorg session, the old method to remap touchpad tap buttons does not work anymore. Here’s the new method to do the job in recent Ubuntu releases e.g., Ubuntu 24.04 and 25.04.
App Center disappeared, instead it shows you the old Ubuntu Software in your Ubuntu 24.04? Here’s how to fix the issue.
As you know, Ubuntu switched to App Center since 23.10. While, the old Ubuntu Software is still in use for Ubuntu 22.04 and 20.04. And, both are Snap Store.
