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Warzone 2100, real-time tactics hybrid computer game, released version 4.0.0 a few days ago with tons of changes.

The new release of the open-source 3D real-time strategy game features new graphics backend support:

  • New support for Vulkan 1.0+, OpenGL ES 3.0 / 2.0, DirectX (via libANGLE, OpenGL ES -> DirectX), Metal (via MoltenVK, Vulkan -> Metal)
  • In addition to the existing support for OpenGL 3.0+ Core Profile, OpenGL 2.1 Compatibility Profile

Other features include:

  • New “Factions” for multiplayer / skirmish
  • Higher-res terrain textures, backdrops
  • New Music Manager, + Lupus-Mechanicus’s new soundtrack album
  • Support for “script-generated” / “random” maps (and two new built-in maps that take advantage of this: 6p-Entropy and 10p-Waterloop)
  • Scrollable room chat, and many other UI / widget improvements
  • Updated / smarter AI bots (Bonecrusher, Cobra)
  • New “headless” mode (for --autogame, --autohost, --skirmish)
  • JS API enhancements, + a new “Script Debugger”
  • Removal of Qt as a dependency, + a new embedded JS engine: QuickJS
  • Quality-of-Life / smoothness improvements
  • Hundreds of bug fixes

For more details, see the ChangeLog file in the github project page.

How to Install Warzone 2100 4.0.0 in Ubuntu:

The game offers official Snap package, which can be easily installed from Ubuntu Software:

Don’t like the containerized software package? For Ubuntu 18.04, Ubuntu 20.04, Linux Mint 19/20, and based systems, grab the classic DEB package from the link below:

Download Warzone 2100

Then open terminal from system app launcher, and run command to install the deb package:

sudo apt install ./Downloads/warzone2100*.deb

upgrade ubuntu 15.10
Ubuntu 21.04 final beta was officially released. Features images for the Ubuntu Desktop, Server, and Cloud products, and also the Kubuntu, Lubuntu, Ubuntu Budgie, UbuntuKylin, Ubuntu MATE, Ubuntu Studio, and Xubuntu flavors.

Ubuntu 21.04 code name “Hirsute Hippo”. As a non-LTS release, it has only 9-month support.

The new Ubuntu edition comes with Linux Kernel 5.11 and GNOME 3.38.x, along with some GNOME 40 core applications, e.g, GNOME Calculator, Gnome Clocks, Gnome Disk Utility.

And it by default logins to Wayland session. If your applications are not so far updated with Wayland support, you can easily switch back to X11 session by clicking the gear button when you’re at the login screen.

Another change is that the time & date menu, system tray menu, notifications, and other top-panel drop-down menus are now in Dark Mode. For those prefer either the standard or light mode, you have to install the User Themes Gnome Shell Extension to change the default theme to light. For details, see this tutorial.

Other changes include:

  • Use nftables as default backend for the firewall.
  • Add support for smartcard authentication
  • Desktop icons now handled by Desktop Icons NG extension with drag’n’drop support.
  • Pipewire support is now enabled.
  • Updated toolchain, applications, and more.

For more details, read the full release note.

And you can download the ISO image from:

Download Ubuntu 21.04 Beta

Deepin, a beautiful Linux distribution based on Debian stable, released version 20.2 a day ago.

Deepin 20.2 features the LTS Kernel 5.10 and stable Kernel 5.11. In Grub boot menu, you can select to boot either Kernel as you want.

The new release now integrates the Debian 10.8 stable package repository. Thanks to code optimization, you will get less memory occupation for core apps, faster response, enhanced system performance, and smoother user experiences.

Also, Deepin 20.2 introduced a Downloader app with multiple download protocols support, including HTTP(s), FTP(s), BT, magnet link, etc. And the downloads are extremely fast.

Other changes in Deepin 20.2 include:

  • Improved multi-display support.
  • NTP configuration via a graphical interface.
  • Full-text search support for the File Manager.
  • The movie player now supports Avs2 format.
  • The image viewer now supports TIF and TIFF formats.
  • The System Installer now supports for integrating NVIDIA drivers for notebooks during the installation.
  • Other core apps updates and improvements.

Download Deepin ISO:

The ISO image is available to download via Google Drive, Sourceforge, BitTorrent, and other mirrors. Click the button below to get the links:

Download Deepin

LibreOffice office suite 7.1.2, the second bug-fix release for the 7.1 series, now is available to install in Ubuntu 18.04, Ubuntu 20.04, Linux Mint 20, Ubuntu 20.10 via its official PPA.

LibreOffice 7.1.2 comes with 61 bug-fixes. Here are some of them according to the changelog:

  • Paste sometimes deactivated in (context) menu even though text copied to clipboard and CTRL+V functioning.
  • Writer: wrong header/footer during export to DOCX.
  • LibreOffice text blurry on Retina displays on macOS 11.
  • Font rendering display error (skia) and some DejaVu fonts.
  • Cannot open .docx in writer – format openXML.
  • Orca no longer reads many options on the sidebar in Linux.
  • Autocorrect no longer works with Change Tracking enabled.
  • elementary: New Arrow Style for Undo and Redo.
  • Crash when importing docx file.
  • PDF export with buttons won’t work in Adobe Reader.

How to Install LibreOffice 7.1.2 via PPA:

1. Add the PPA.

LibreOffice Fresh PPA has made the packages for all current Ubuntu releases. You can add it to your system by launching terminal and run command:

sudo add-apt-repository ppa:libreoffice/ppa

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

2. Install LibreOffice 7.1.2.

After adding the PPA, you can either update your system packages including the office suite via command:

sudo apt full-upgrade

or launch Software Updater (Update Manager) and select install the package updates:


To remove the PPA repository, either go to Software & Updates -> Other Software and remove the relevant line.

or run command in terminal:

sudo add-apt-repository --remove ppa:libreoffice/ppa

You can alternatively purge the PPA, which also downgrade LibreOffice to the pre-installed version:

sudo apt install ppa-purge && sudo ppa-purge ppa:libreoffice/ppa

GIMP extra color palettes

Before the next major GIMP 3.0, a new maintenance update for the 2.10 series GIMP 2.10.24 now is available to install.

Though it’s not officially announced at the moment of writing, GIMP has provided the 2.10.24 source tarball & Windows exe for downloading in its website.

And both the Flathub repository and unofficial Ubuntu PPA have updated the packages for the new release.

What’s new in GIMP 2.10.24 according to the release note:

  • Off-canvas point snapping
  • GeoTIFF metadata support (georeferencing information embedded within a TIFF file used by map makers)
  • Many improvements in the metadata viewer and editor
  • Many file format supports improved: HEIF, PSP, TIFF, JPEG, PNG, PDF, DDS, BMP, PSD
  • New “Negative Darkroom” operation to simulate enlargement prints from scans of photographic negatives.
  • The RAW image import now handles darktable 3.6 and over
  • New Kabyle translation

How to Install GIMP 2.10.24 in Ubuntu:

Method 1: Install GIMP via the universal flatpak package:

If you’re OK with the flatpak package which runs in sandbox, open terminal and run following commands one by one to install it:

1. Firstly add PPA for updated Flatpak package (required for Ubuntu 18.04 only):

sudo add-apt-repository ppa:alexlarsson/flatpak && sudo apt update

2. Install flatpak daemon if you don’t have it:

sudo apt install flatpak

3. Add flathub repository which hosts the software packages:

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

4. Finally install GIMP flatpak package via command:

flatpak install flathub org.gimp.GIMP

NOTE: as flatpak runs in sandbox, it takes much more disk space for run-time libraries.

5. (Optional) If you want to remove the package, run command:

flatpak uninstall org.gimp.GIMP

Method 2: install GIMP via Ubuntu PPA:

For those prefer the classic .deb packages, the unofficial PPA has made the new release packages for Ubuntu 20.04, Ubuntu 20.10, and Ubuntu 21.04.

Due to compile issue, the package for Ubuntu 18.04 is stuck at v2.10.22 at the moment.

1.) Open terminal from system application launcher. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:ubuntuhandbook1/gimp

Type user password (no asterisk feedback) for sudo prompts and hit Enter to continue.

2.) If an old version of GIMP .deb package was installed, upgrade it via Software Updater (Update Manager) utility.

or run apt commands in terminal to install GIMP:

sudo apt install gimp

If you’re going to upgrade the image editor from command line, I’d recommend to RUN this command instead, so to also install the updated dependency libraries.

sudo apt upgrade

3.) (Optional) To restore GIMP to the stock version in main Ubuntu repository, run command to purge the PPA:

sudo apt install ppa-purge && sudo ppa-purge ppa:ubuntuhandbook1/gimp