Archives For Howtos

KDE Plasma 5.16

KDE Plasma desktop 5.18 LTS was released a day ago. Now it’s available to install it in (K)Ubuntu 19.10 via PPA.

Plasma 5.18 is an LTS (Long Term Support) release that will be updated and maintained by KDE contributors for the next two years. It features:

  • New Emoji Selector (press Windows key + the peroid (.))
  • New Global Edit mode
  • Better support for GTK applications using client-side decorations.
  • Audio Volume System widget improvement.
  • Optional User Feedback settings (disabled by default).
  • Redesigned the Application Style settings.
  • Fractional scaling improvement on X11

How to Install Plasma 5.18 in (K)Ubuntu 19.10:

Open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from application menu. When it opens, do:

1. Add Kubuntu Backports PPA:

sudo add-apt-repository ppa:kubuntu-ppa/backports

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

2. Install Plasma 5.18 in Kubuntu 19.10:

Either install all system update via Update Manager, or run command in terminal:

sudo apt update && sudo apt full-upgrade

3. For non-Kubuntu user:

Run command to install Plasma desktop:

sudo apt update && sudo apt install plasma-desktop

or install full KDE desktop environment via command:

sudo apt update && sudo apt install kubuntu-desktop


You can purge the Kubuntu Backports PPA, which also downgrade Plasma desktop to the stock version (5.16.5) in Ubuntu 19.10 repository.

sudo apt install ppa-purge && sudo ppa-purge ppa:kubuntu-ppa/backports

OpenShot Video Editor

OpenShot video editor 2.5.0 was released a few days ago with exciting new features hardware acceleration support.

OpenShot 2.5.0 brings experimental support for hardware acceleration. You will see some new options available if you have a supported encoder/decoder. This can result in a huge performance improvement on some systems.

It has also completely rewritten the keyframe system to deliver real-time interpolated values, and no longer cache the entire value set.

Other changes in openshot 2.5.0 include:

  • Export and Import of EDL and XML.
  • Improved Thumbnail generation via a local HTTP server
  • Blender 2.8+ support
  • Ability to recover previous saves
  • many fixes and improvements to SVG support.
  • Improved preview window resizing in OpenShot
  • Disable metrics until opt-in
  • Export, built, and Cross-platform improvements.

How to Install OpenShot 2.5.0 in Ubuntu:

OpenShot has an official PPA repository that contains the latest packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10 though it’s not updated at the moment for the new release.

1.) You can add the PPA repository by running command in terminal (Ctrl+Alt+T), so to receive future software updates via Software Updater utility.

sudo add-apt-repository ppa:openshot.developers/ppa

2.) Then install the video editor via commands:

sudo apt update

sudo apt install openshot-qt

Alternatively you may simply download the 64-bit .appimage file from OpenShot website:

OpenShot Downloads Page

Right-click on the .appimage and make it executable in the file ‘Properties > Permissions’. And finally run the .appimage to launch Openshot video editor 2.5.0.

Free collaborative drawing program Drawpile 2.1.16 was released today with new features to the server and usability improvements.

In the new release, the old list server and public server are replaced by the new server. All sessions hosted at are automatically listed, so there is no need to announce them manually anymore.

Other changes in Drawpile 2.1.16 include:

  • Passwords are now stored securely using the platform keychain
  • Selections are now properly clipped to the canvas size
  • Copying or cutting a moved selection now works as expected
  • Fixed brush size adjustment shortcut (needed two presses to adjust)
  • List servers can now be manually sorted
  • Server improvements and some bug-fixes.

How to Install Drawpile 2.1.16 in Ubuntu:

Drawpile is available for Ubuntu Linux via Flatpak (containerized software package).

For Ubuntu 18.04 and higher, open terminal either by pressing Ctrl+Alt+T on keyboard or by searching for ‘terminal’ from application menu. When it opens, run following commands one by one.

1.) Install Flatpak framework and add Flathub repository.

If you’re first time installing a flatpak package, you may need to install the flatpak framework by running command:

sudo apt-get install flatpak

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

Also add Flathub repository, official repository contains a large list of flatpak packages, via command:

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

3. Finally install Drawpile via command:

flatpak install flathub net.drawpile.drawpile

Once installed, launch it from system application menu and enjoy!

(Update) If you’ve an old version installed via previous steps, simply run one command to update Drawpile package:

flatpak update net.drawpile.drawpile

(Optional) To remove the software run command in terminal:

flatpak uninstall net.drawpile.drawpile


RawTherapee 5.8, cross-platform raw photo processing system, was released a day ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 19.10, Linux Mint 19.x.

RawTherapee 5.8 release highlights:

  • New Capture Sharpening tool to automatically recover detail lost to lens blur.
  • CR3 support: image data is decoded, though metadata is not supported yet.
  • Improvements of various camera models
  • Speedups and optimizations to various tools
  • Better memory management and various bug fixes.

Download / Install RawTherapee 5.8 in Ubuntu:

The official Linux Appimage, single executable to launch the software (non-install), is available for download in the previous link.

For Ubuntu 18.04, Ubuntu 19.10, Linux Mint 19.x, you can also install RawTherapee 5.8 via this unofficial PPA.

1. Open terminal by either pressing Ctrl+Alt+T on keyboard or searching for “Terminal” from application menu. When it opens, run command:

sudo add-apt-repository ppa:dhor/myway

Type user password (no asterisk feedback due to security reason) when it prompts and hit Enter to add the PPA.

2. After that, upgrade the software via Software Updater if a previous version was installed:

or run commands one by one in terminal to install RawTherapee:

sudo apt update

sudo apt install rawtherapee

How to Remove:

To uninstall the free raw developer, run command in terminal:

sudo apt-get remove --autoremove rawtherapee

And remove the PPA via Software & Updates utility under Other Software tab, by removing the line says “”.

Gotify Indicator is a simple tool in the system tray area to send and receive messages via your own Gotify server.

Gotify is a server that can send and receive messages. It works as a push notifications server.

Gotify-Indicator is an indicator for Gotify in the Linux Desktop. With it you can send and receive messages directly from your computer. So you can send messages to other devices that are connected to the same server.

How to Install Gotify indicator in Ubuntu:

The developer maintains the software packages in the PPA repository for Ubuntu 16.04, 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:atareao/atareao

Type user password when it prompts and hit Enter to continue.

2.) Then install the tool via command:

sudo apt update

sudo apt install gotify-indicator

Once installed, open it from your system application launcher and you’ll see the indicator in system tray area. Setup the notification sending and receiving service (see top picture) and enjoy!


To remove the PPA as well as the software package, run commands in terminal one by one:

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

sudo apt remove gotify-indicator