Kaidan is a simple, user-friendly chat client that uses the open communication protocol XMPP (Jabber) and runs on Linux, Mac OS, Android, Plasma Mobile and Ubuntu Touch.
The software is written in C++ with Qt and the Qt-based XMPP library QXmpp. Unlike other chat apps, you are not dependent on one specific service provider.
Kaidan features: supported XEPs / RFCs and planned XEPs. The latest release so far is Kaidan 0.5 that contains QR code scanning and generation, message search, and more.
Get Kaidan chat client:
Source code, APK, Appimage, and Mac os packages are available for download at the link below:
For Linux, grab the .appimage package, make executable in file’s Properties > Permissions. And finally run it to launch the chat app.
As an alternative, Kaidan is also available in flatpak package:
Want to get more information in the clock menu underneath the calendar? You can get the current weather condition via an extension.
Weather in the clock is a simple extension based on Gnome Weather that adds an icon representing the current weather condition and the current actual temperature to the clock in the panel.
If you like it, do following steps one by one to install it on Ubuntu 20.04.
1.) First open terminal by pressing Ctrl+Alt+T on keyboard. When it opens, run command to install Gnome Weather:
sudo apt install gnome-weather
2.) Then search for and launch weather from ‘Show Applications’ menu and setup your location:
3.) Finally install the gnome shell extension.
Run command to install chrome-gnome-shell if it’s not installed:
NVIDIA for Linux driver 450.66 was released today as the latest long lived branch version.
NVIDIA 450.66 fixed triple buffering support of Vulkan X11 swapchains when applications are syncing to vblank.
It also added following GPUs support:
EIZO Quadro MED-XN31LP
EIZO Quadro MED-XN50LP
EIZO Quadro MED-XN51LP
EIZO Quadro MED-XN70
EIZO Quadro MED-XN71
EIZO Quadro MED-XN72
EIZO Quadro MED-XN90
EIZO Quadro MED-XN91
EIZO Quadro MED-XN92
Matrox D-Series D1450
Matrox D-Series D1480
How to Get Nvidia 450.66 in Ubuntu:
The “Graphics Drivers” team PPA is a reliable source that contains most recent Nvidia packages for Ubuntu. Check the PPA link before getting started as it’s not updated to 450.66 at the moment of writing.
1. To add the PPA, open terminal (Ctrl+Alt+T) and run command:
sudo add-apt-repository ppa:graphics-drivers/ppa
Type user password for sudo prompt (no asterisk feedback) and hit Enter to continue.
2. Then launch Additional Drivers utility, choose Nvidia 450 and apply changes.
Sorry I can’t see these drivers as I don’t have a discrete graphics card in my laptop :(
(Optional) To remove the PPA repository, either go to Software & Updates > Other Software, or run command:
FetchCord is a simple tool grabs your system information and displays it as Discord Rich Presence.
FetchCord is written in Python 3 and relies on Neofetch for your basic system information. With the handy tool, you’ll see your system info inside Discord user’s profile.
How to install FetchCord:
1. In Ubuntu 20.04 and Linux Mint 20, first open terminal (Ctrl+Alt+T) and run command to install Neofetch and python3-pip package:
sudo apt install neofetch python3-pip
2. Then install Fetchcord via pip command:
pip3 install fetchcord
Once installed, run fetchcord command while Discord is running and enjoy!
NOTE: while the software is in very early stage, it may have bugs. For any issue report to the Github page.
Photoflare is an open-source simple and powerful image editing software inspired by PhotoFiltre.
Photoflare is written in C++ with Qt5 framework. It works on Linux, Windows, and Mac OS, and features basic image editing capabilities, paint brushes, image filters, colour adjustments and more advanced features such as Batch image processing.
Besides the community version, the software also offers studio edition requires to pay for packages.
Features of Photoflare include:
Simple but powerful, and very fast to do everything.
Works on Linux, Windows, and Mac OS.
Basic image editing capabilities
Paint brushes
Image filters
Color adjustments
And more advanced features such as Batch image processing.
How to Install Photoflare in Ubuntu:
Option 1: Ubuntu PPA
The software has a stable PPA which so far contains the latest packages for Ubuntu 20.04, Ubuntu 22.04, and Ubuntu 23.10.
1.) To add the PPA, open terminal either from system application launcher or by pressing Ctrl+Alt+T on keyboard. When it opens, run command:
2.) After adding PPA, update system package cache and install the image editor via commands:
sudo apt update
sudo apt install photoflare
Option 2: Flatpak package
For choice, user can install the software as Flatpak runs in sandbox environment. Meaning even the old Ubuntu 16.04 and Ubuntu 18.04 can install the latest version of this image editing app.
1. (Ubuntu 16.04 and Ubuntu 18.04 only) First, press Ctrl+Alt+T on keyboard to open terminal, run command to add the Flatpak PPA for old Ubuntu that don’t have the package in system repository:
sudo add-apt-repository ppa:flatpak/stable
Type user password when it asks (no asterisk feedback) and hit Enter to continue. Next, run sudo apt update to refresh system package cache.
2. Then, run command to enable Flatpak support:
sudo apt install flatpak
3. Finally, install the app as Flatpak package by running the command below in terminal:
Once installed, search for and launch the app either from start menu or ‘Activities’ overview depends on your desktop environment. If app icon not visible, try log out and back in to apply path environment changes.
And for future versions, use the command to check updates:
flatpak update io.photoflare.photoflare
Uninstall Photoflare:
To remove Photoflare image editor, either use your system package manager or run command in terminal:
sudo apt remove photoflare
And remove the PPA either via Software & Updates under Other Software tab, or by running command:
Mainline is a graphical tool to install the latest mainline Kernel in Ubuntu, Linux Mint, and derivatives.
Mainline (Ubuntu Mainline Kernel Installer) is an open-source fork of ukuu, which now is pay for use. It offers a simple interface with updated list of the “mainline” Kernels, allows to one-click install, remove, or purge Kernels in Ubuntu-based distributions.
Optionally watches and displays notifications when a new kernel update is available
Downloads and installs packages automatically
Display available and installed kernels conveniently
Install/remove kernels from gui
For each kernel, the related packages (headers & modules) are installed or removed at the same time
How to install Mainline in Ubuntu:
NOTE: The mainline kernels are provided by Ubuntu Kernel Team for testing and debugging purposes. They are not supported and are not appropriate for production use. You should only install these if they may fix a critical problem you’re having with the current kernel.
The software has an official PPA so far contains packages for Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 24.04, and derivatives.
1.) To add the PPA, open terminal from system application launcher and run command:
sudo add-apt-repository ppa:cappelikan/ppa
2.) Then check updates and install the tool via commands:
The Ubuntu team announced the release of Ubuntu 18.04.5 and Ubuntu 16.04.7 last night.
While Ubuntu 16.04.7 comes with only security package updates and other fixes, Ubuntu 18.04.5 includes an updated hardware enablement stack from Ubuntu 20.04.
With Linux Kernel 5.4, WiFi should work out-of-the-box in Ubuntu 18.04.5 with RTL8723DE (tests in my HP 246 G6 laptop).
Also users of Ubuntu 16.04 LTS will be offered an automatic upgrade to 18.04.5 via Update Manager.
Get Ubuntu 18.04.5 / Ubuntu 16.04.7
For Ubuntu 18.04.4 and previous, you’ll be automatically update to v18.04.5 after installing all system updates.
If you were updated from the original Ubuntu 18.04, and you never installed the hardware enablement stack, you may run command to get the latest kernel:
