Archives For Howtos

This is a step by step beginners guide shows how to install and setup OneDrive client in Ubuntu 22.04 and Ubuntu 24.04 to sync files between local machine and Microsoft cloud.

OneDrive is a file hosting service by Microsoft. It so far does not have an official app for Linux, but there’s a popular free open-source client works in most Linux. And, here’s the basic how to guide for installing and using it in Ubuntu Linux.

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Tell How Much Free Space Left in Ubuntu 22.04

Last updated: February 24, 2024 — Leave a comment

When going to download or install something that takes much disk space, it’s better to first check if there’s enough free space left in your system.

This is super easy to do the job in Ubuntu & other Linux. And, I’m going to show you how in both graphical and command line ways.

Though the title said for Ubuntu, this tutorial works in most other Linux. The graphical way may vary depends on desktop environment, but the Linux command works in most, including Debian, Fedora, Arch, openSUSE.

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This simple tutorial shows how to install and use Kvantum theme engine to change themes for your Qt5 and Qt6 applications in Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04, Ubuntu 25.04, and 25.10.

GNOME Desktop uses GTK toolkit for its applications and KDE/LxQt uses Qt toolkit instead. These apps work on each other desktop environment, but may NOT look native.

To unify the look and feel, Fedora Qt developer team has QGnomePlatform, adwaita-qt, and QAdwaitaDecorations projects to make Qt apps look better in GNOME. So far, only QAdwaitaDecorations is in active development for implementing Adwaita-like window header and border for Qt apps.

For Qt app window color, buttons, and other components, Kvantum is good choice to do the job.

qBittorrent (Qt6) with Kvantum theme in Ubuntu

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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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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 1.25 release on 12 August, 2025! Here’s the new features and how to install guide for Ubuntu & other Linux.

What’s New in Go 1.25:

  • New -http option in go doc command.
  • Add new -json option go version command.
  • New go.mod ignore directive to specify directories to ignore.
  • 2 new go vet analyzers: waitgroup and hostport.
  • New experimental garbage collector.
  • Default GOMAXPROCS to the number of cgroup CPU bandwidth limit in Linux, if it’s lower than an the number of logical CPUs available.
  • Generate debug information using DWARF 5.
  • New testing/synctest package
  • Remove the notion of core types in the language specification.
  • New encoding/json/v2 and encoding/json/jsontext packages.
  • Annotate anonymous memory mappings on Linux with Kernel that support it.
  • New -funcalign=N linker option.

See the announcement for more changes in Go 1.25.

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