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Audacity audio editor 2.4.2 was released last night with updated wxwidgets library and numerous bug-fixes.

Audacity 2.4.2 release highlights:

  • upgrade to wxwidgets 3.1.3
  • add ‘Reset Configuration’ menu option.
  • a number of bug-fixes.

How to Install Audacity 2.4.2 in Ubuntu:

As the building system has changed, the PPA package (v2.4.1) does not fully work on Ubuntu. So it’s recommended to use Audacity Flatpak.

1.) If you’re first time installing a Flatpak package in Ubuntu, setup your system by running commands in terminal (Ctrl+Alt+T):

  • Install flatpak framework via command:
    sudo apt install flatpak

  • Add Flathub repository via command:
    flatpak remote-add --if-not-exists flathub

2.) Then you can install Audacity flatpak package by running command:

flatpak install flathub org.audacityteam.Audacity

If you’ve previously installed it, run flatpak update org.audacityteam.Audacity command.

Uninstall Audacity flatpak:

To remove the flatpak package, simply run command in terminal:

flatpak uninstall org.audacityteam.Audacity

Warzone 2100, open source 3D real-time strategy game, released version 3.4.0 today with graphics and UI improvements, and many new features.

After almost 10 months of developments, Warzone 2100 was released with over 485 commits. The release highlights include:

  • Graphics and UI improvements, including: fade effect when starting games, smoother mouse rotation, smoother zooming, interpolate frames in animation, occlude terrain ambiently
  • Add “continue last save” option
  • Add Quicksave feature
  • Add Autosave feature
  • Add way to change most game settings with the in-game pause menu
  • Add shortcut to quit to main-menu after victory
  • Add T4 technology level where all research is completed
  • Add Randomization of game options button in skirmish/multiplayer games
  • Add support for changing map, game name, and hosting player’s name after already hosting
  • Add configuration of OpenAL-HRTF mode
  • Add in-game notification widgets
  • Add keybinding configuration for camera pan
  • Add Discord rich presence / join support
  • Add unit / kill count gui feature
  • Add BoneCrusher! AI, Cobra AI, Nexus AI (ported from original)
  • Right-click AI slot to quickly copy it to all other AI slots

How to Install Warzone2100 in Ubuntu:

The game package is available as Snap package which can be directly installed from Ubuntu Software.

For those prefer DEB to the containerized Snap package, download the .deb package from:

Download Warzone2100 (.deb)

Then install it via command:

sudo dpkg -i ~/Downloads/warzone2100_*.deb

Once installed, launch the game from ‘Show Applications’ menu and enjoy!

(Optional) To remove the game package, run command:

sudo apt remove warzone2100

Free open-source astronomy software Stellarium 0.20.2 was released a few days ago as the 20 year anniversary celebration.

Stellarium 0.20.2 contains many changes in AstroCalc tool and core of Stellarium, changes in scripting engline and Script Console, Oculars and Satellites plugins, updated DSO catalog, see release note for details.

How to Install Stellarium 0.20.2 in Ubuntu:

The official Stellarium PPA contains the latest packages for Ubuntu 18.04, Ubuntu 19.10, and Ubuntu 20.04

1. Open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from application menu. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:stellarium/stellarium-releases

Type user password (no asterisk feedback) when it prompts and hit Enter.

2. Then either upgrade Stellarium from an old version with Software Updater utility:

Or run following commands to install or upgrade the software from terminal:

sudo apt update

sudo apt install stellarium


To remove the software, either use your system package manager or run command:

sudo apt-get remove --autoremove stellarium

And remove the PPA via “Software & Updates” utility under Other Software tab.

opera web browser

Opera web browser released the new stable version 69 today. The new release features built-in Twitter support.

Click the three-dot icon at the bottom of the sidebar, then you can tick Twitter in the Messengers section.

Other changes in Opera 69 include:

  • A new weather widget on start page.
  • Improved tab cycler (Ctrl+Tab)
  • Improvements to workspaces.

How to Install Opera 68 in Ubuntu:

Snap Package:

The Opera team offers official snap package (runs in sandbox), available to install in Ubuntu Software:

Deb package:

Also the native Ubuntu .deb package is available for downloading at the link below:

Download Opera for Linux

Grab the .deb package, and double-click to install it.

You may also add the official apt repository via following steps to receive future software updates.

1. Open terminal (Ctrl+Alt+T) and run command to add the opera repository:

sudo sh -c 'echo "deb stable non-free" >> /etc/apt/sources.list.d/opera.list'

2. Get the key:

wget -O - | sudo apt-key add -

Finally either install Opera via following command or upgrade the browser via Software Updater:

sudo apt update

sudo apt install opera-stable


For the Opera snap package, simply remove it from Ubuntu Software.

For the Opera apt repository, launch Software & Updates and navigate to Other Software tab.

To remove traditional opera package, either use your system package manager or run command in terminal:

sudo apt remove --autoremove opera-stable

fre:ac audio converter

fre:ac audio converter 1.1.2 was released a few days ago. The new release features UI scaling to the system font size, theme colors and dark mode support on Linux, and many improvements and bug-fixes.

Fre:ac 1.1.2 release highlights:

  • Scale UI to adjust to system font size by default
  • Added support for theme colors and dark mode on Linux/FreeBSD
  • Improved handling of maximized window state on Linux/FreeBSD and macOS
  • Removed non-working option to not lock CD trays while ripping
  • Stop ripping before trying to eject a disc
  • Write audio data CRC to log files when ripping
  • Write MD5 checksums to log files when verifying files
  • Write log entries when replacing existing files

How to Install fre:ac in Ubuntu:

fre:ac is available in Snap, Flatpak, and Appimage package formats.

Snap package:

The software is available as snap package, which runs in sandbox. Simply search for and install it from Ubuntu Software.

You can alternatively install the snap by running command in terminal (Ctrl+Alt+T):

snap install freac

Flatpak package:

fre:ac is also available as flatpak package, runs in sandbox, in flathub repository.

You can run following commands one by one to setup flatpak and install fre:ac in Ubuntu:

sudo apt install flatpak

flatpak remote-add --if-not-exists flathub

flatpak install flathub org.freac.freac

Appimage package:

There’s also single executable Appimage package available for download.

Grab “freac-x.x.x-linux-x86_64.AppImage” for 64-bit system, or “freac-x.x.x-linux-i686.AppImage” for 32-bit.

Make executable in file Properties > Permissions, then right-click and select “Run” to open the software.