News, Tutorials, Howtos for Ubuntu Linux
Got multiple computers/laptops but only one mouse & keyboard? Without buying a KVM switch, here’s a software can do the job sharing them between your computers.
It’s Input Leap a free open-source application forked from Barrier, allowing to use single mouse and keyboard to control multiple computers in same local network.
This is a step by step beginner’s guide shows how to install the most recent PCSX2, the free open-source Playstation 2 Emulator, in all current Ubuntu releases, including Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04, and Ubuntu 24.10.
PCSX2 is an application that emulates the PS2’s hardware, allowing to play PS2 games on PC or laptop with additional features, such as custom resolutions and upscaling, virtual and sharable memory cards, save states, and internal recorder for lossless quality at full speed.
Ubuntu has some snap apps (e.g., Firefox and AppCenter) pre-installed in recent releases. The snap apps auto-generate a snap folder in user’s home directory to store app data, caches, and configuration files.
If you don’t want to see that folder, you may hide it or move to another location. And, here’s how to do the trick step by step in Ubuntu 22.04, Ubuntu 24.04, and Ubuntu 24.10.
This tutorial shows how to block ads, trackers, and malware domains system-wide in Ubuntu and other Linux desktop using hBlock.
hBlock is a free open-source script that collects a large list of domains that serve ads, tracking scripts and malware from multiple sources. It blocks them by mapping all those domain names to 0.0.0.0 using hosts file, thus it works system-wide.
For GnuCash users who prefer the native .deb package format, here I made a new unofficial PPA for all current Ubuntu releases.
GnuCash is a popular personal and small-business financial-accounting software. It’s available in the Ubuntu system repositories, but always old.
I’ve written about how to install the most recent GnuCash 5.12 in Ubuntu in different ways. For those who prefer the .deb package, here’s a new PPA available for choice.
Emacs text editor released new major 30.1 version a few days ago. For Ubuntu users who prefer the classic .deb package, here’s unofficial PPA updated for all current Ubuntu releases.
Emacs 30.1 features Android port, improved touchscreen support, new trusted-content option, native JSON support, default app for ‘org-protocol’, ability to set toolbar to bottom, new packages, and more. See the NEWS page for details.
This tutorial shows how to enable touchpad 4-finger swipe and pinch gestures in Ubuntu 24.04, 24.10 and 25.04 with default GNOME Desktop on Wayland.
GNOME since version 40 supports 3-finger swipe gestures to switch between workspaces and trigger overview screen. And, there’s an extension Gesture Improvements to enhance the features with 4-finger and pinch gestures support. However, the extension only supports Gnome from version 40 to 44.
If you want to extend the gestures on recent GNOME 45 ~ 48 (meaning Ubuntu 24.04+, Fedora Workstation 40+, etc), there’s now an open-source fork to do the job on Wayland.
Want to downgrade the Linux Kernel to the original GA (General Availability) Kernel 6.8 in Ubuntu 24.04? Here’s how to do the job step by step.
Since Ubuntu 24.04.2, the LTS by default ships with HWE kernel 6.11, which will be updated to the newer kernel series for the next point releases. However, the original Kernel 6.8 is always easy to install back.
This is a step by step beginner’s guide shows how to install and setup the latest Wireshark network protocol analyzer software (v4.4.8 updated) in Ubuntu 24.04, Ubuntu 22.04, Ubuntu 20.04, and Linux Mint 22/21.
Wireshark is a popular free open-source software to capture and display real-time details of network traffic. It’s available in Ubuntu system repository, but old.
This tutorial shows how to add (or remove) the “proposed” repository to install (or downgrade) the pre-released packages/updates in Ubuntu.
As you may know, Ubuntu has an area called proposed for updates that are being tested before publication. It’s recommended for developers and users who are interested in helping to test updates and provide feedback.
The proposed repository is disabled by default. If you want, here’s how to enable it in all current Ubuntu releases.
