Archives For November 30, 1999

GIMP image editor announced the new 2.99.18 development release today. It’s marked as the last dev release for the next major 3.0 version.

The new release has a new welcome dialog, with Personalize tab to set your favorite theme, icon and font scaling, and select program language, Contribute tab with a few links for who want to contribute to GIMP, and Create tab with quick buttons to create, open, open recent images. It as well has an option to enable on every start.

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Gambas released new 3.19.0 few days ago. Here’s the new features and how to to install guide for Ubuntu users!

Gambas is a full-featured object-oriented language and development environment built on a BASIC interpreter. It’s made up of a compiler, interpreter, archiver, scripter, development environment, and many extension components, for easily developing command-line, GTK2/GTK3, Qt, Database, Web, SDL applications.

The latest version so far is Gambas 3.19.0 that includes many exciting new features. First, as you see above, it has a new app icon that’s called gambas-thin. Though, I personally prefer the old one a bit more.

old gambas3 icon

The new release brings huge improvements to interpreter, to make it faster than Python, Perl and Java interpreters in all benchmarks!
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Want to open (or export to) .jxl files? Here’s how to enable the image format support in Ubuntu and Debian.

JPEG-XL (.jxl) is a royalty-free raster-graphics image format supports both lossy and lossless compression. It includes features such as animation, alpha channels, layers, thumbnails, and has better compression efficiency (60% improvement) comparing to JPEG.

GNOME favors JPEG-XL as background wallpaper in next version 46. But, Ubuntu now does not support the image format due to lack of a build dependency.

If you have some .jxl images stored in Ubuntu, then here’s how to make them work in image viewer, GIMP, and maybe other graphical apps.

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This simple tutorial shows how to get rid of the “Mobile Broadband” menu option from the upper right system status menu in GNOME Desktop.

GNOME, the default desktop in Ubuntu and Fedora Workstation, has built-in support for mobile broadband. If your computer (usually laptop) has a built-in SIM card slot, then it will show you the “Mobile Network” page in Settings and “Mobile Broadband” option in upper right menu.

For those who rarely use this feature, the option is useless but makes the menu longer. So, it’s a good choice to completely disable it!


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This simple tutorial shows how to install and enable the Classic Gnome 2 style desktop session in Ubuntu 22.04 and/or Ubuntu 24.04.

Though the title said for Ubuntu, this tutorial also works in Debian 12 & 11. Fedora, Arch, and their based systems also have corresponding packages for the similar job.

As far as I know, there are 3 ways to get back the classic Gnome 2 layout. They include:

  • Option 1: gnome-flashback -traditional desktop session based on GNOME technologies.
  • Option 2: gnome-shell-extensions – Classic Gnome 2 layout through some Gnome Shell extensions.
  • Option 3: MATE Desktop – a free open-source fork and continuation of Gnome 2 Desktop.

Option 1: Gnome Flashback


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How to Rotate Images in Ubuntu 22.04

Last updated: February 12, 2024 — Leave a comment

This is a beginner’s guide shows you how to rotate your images using either a Linux command or built-in apps such as file manager and image viewer.

Option 1: Rotate an image using built-in image viewer

If you want to change the orientation for only a few photo images, then the built-in image view is always the best choice.

Simply click open your image file through the image viewer. Move mouse cursor over the app window, then you’ll see the buttons to rotate to the left and rotate to the right in bottom.

The image viewer app varies depends on your desktop environment, the rotate options may be available other-where such as in app menu.

After rotated your image, either click Save (Ctrl+S) to override the original image file, or choose Save as (Ctrl+Shift+S) to save the rotated image as another file.


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GNOME 46 reached UI, ABI/API, and feature freeze stage today. Let’s see the top new features in this popular desktop environment.

GNOME 46 will be the default desktop environment for Fedora 40 Workstation, Ubuntu 24.04, and optional in Arch, Manjaro, etc Linux.

It continues polish the desktop appearance by redesigning the improving the core app experiences.

GNOME Files, aka Nautilus, to have explicit Global Search mode, allowing to find files and folders in all search locations. And a “Search Settings” button is available to filter search results.


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Go programming language announced the new 1.22 release this Tuesday! Here’s the new features and how to install guide for Ubuntu & other Linux.

What’s New in Go 1.22:

  • The variables declared by a “for” loop were created once and updated by each iteration. In new 1.22 release, each iteration of the loop creates new variables, to avoid accidental sharing bugs.
  • “For” loops may now range over integers.
  • Commands in workspaces can now use a vendor directory containing the dependencies of the workspace.
  • go get is no longer supported outside of a module in the legacy GOPATH mode
  • 2% ~ 14% improvement from enabling PGO.
  • Requires the final point release of Go 1.20 or later for bootstrap
  • New math/rand/v2 package
  • New go/version package
  • See release note for more details.

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This is a step by step guide shows how to enable fingerprint reader support for Lenovo ThinkPad T480/T480s, X1 Carbon 6th gen, X1 Yoga 3rd gen, X280, etc with 06cb:009a device in Ubuntu 22.04.

Ubuntu has fingerprint reader support out-of-the-box using libfprint, and provides option to enable fingerprint login in Users settings page. However, the library has a list of unsupported devices, including 06cb:009a that’s built-in in my used ThinkPad T480s laptop.

Thankfully, there’s a free open-source alternative python-validity that works in my case. Here’s how to install and set it up in Ubuntu 22.04, while Ubuntu 20.04 is also supported.

NOTE: This tutorial may also work in many other fingerprint readers, however, the project so far does NOT provide a page to list all supported devices.

Step 1: Tell Which Fingerprint Reader device do your laptop have

First of all, you may press Ctrl+Alt+T on keyboard to open up a terminal window.

Then run command to find out the device name of your fingerprint reader:

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This is a step by step beginner’s guide shows how to configure your Ubuntu laptop to limit the maximum battery charge level.

For those who keep laptop plugged in for long term, it’s better to set battery charge limit to reduce the battery wear by constantly trickle charging.

Linux Kernel supports battery charge threshold, and there’s a merge request to provide graphical UI options in Gnome Control Center. Until GNOME officially support this feature, you can follow this tutorial to do the job step by step.

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