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How to Install MuseScore 3.x via PPA in Ubuntu 18.04, Higher

Last updated: February 28, 2019

Free score writer MuseScore 3 was released a few months ago. Finally the official PPA for MuseScore 3 is available for Ubuntu 18.04, Ubuntu 18.10, and higher.

MuseScore 3 is a new major release that features automatic placement, brand new Mixer and Piano Roll, dark theme, notation improvements, and many other changes.

MuseScore 3 and MuseScore 2.3 can co-exist on one machine. Installation of the MuseScore 3 will create the association with .mscz/.mscx files, but you can keep using both versions of MuseScore on one machine.

How to Install MuseScore 3 via PPA in Ubuntu:

While MuseScore PPA contains the latest 2.3.x packages, a new official PPA for MuseScore 3 was created. You can do following steps to add the PPA and install the score writer.

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

sudo add-apt-repository ppa:mscore-ubuntu/mscore3-stable

Type user password (no asterisk feedback due to security reason) when it asks and hit Enter.

2. Then install MuseScore 3 via command:

sudo apt install musescore3

Linux Mint 19 needs to refresh package cache by running command apt update first.

Once installed, launch the software from application menu and enjoy!

Uninstall:

To remove the software, run command in terminal:

sudo apt remove --autoremove musescore3

To remove the PPA, go to Software & Updates -> Other Software tab.

In Howtos ,
 

OBS Studio 23.0 Released, How to Install it in Ubuntu 18.04

Last updated: February 27, 2019

OBS Studio, free live streaming and screen recording software, released version 23.0 recently with many new features. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, Ubuntu 18.10.

OBS Studio 23.0 release highlights:

  • Add Limiter audio filter, Expander audio filter.
  • Add VAAPI video encoder on Linux.
  • Add batch remuxing support to the Remux Recordings dialog.
  • Option to automatically remux recordings to MP4 in Advanced settings.
  • Add Decklink output tool to the tools menu.
  • Add an optional Stats dock (disabled by default).
  • Add multi-track audio support to FFmpeg output in advanced output settings.
  • Add an Invert Polarity audio filter.
  • Add VLC source support to the Instant Replay script.
  • Some other enhancements, and many bug-fixes.

How to Install OBS Studio 23 in Ubuntu:

For the official PPA packages, all current Ubuntu releases can do following steps to install the latest OBS Studio.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for “terminal” from app launcher. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:obsproject/obs-studio

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

2. For Ubuntu 14.04 you also need to run command to add another PPA for FFmpeg library:

sudo add-apt-repository ppa:kirillshkrogalev/ffmpeg-next

3. Now you can install OBS-Studio via Synaptic package manager, upgrade the software from an existing release via Software Updater, or simply run commands one by one:

sudo apt-get update

sudo apt-get install obs-studio

Once installed, launch the software from Unity Launcher, Gnome Launcher, or other app launcher and enjoy!

Uninstall:

To remove the software, either use Synaptic package manager or run command in terminal:

sudo apt-get remove --autoremove obs-studio

To remove PPA repositories, launch Software & Updates and navigate to ‘Other Software’ tab.

In Howtos, News
 

Battle for Wesnoth 1.14.6 Released, How to Install in Ubuntu

Last updated: February 26, 2019

Battle for Wesnoth released a new regular update for the 1.14 series. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, and higher.

Wesnoth 1.14.6 release highlights:

  • Fixed some AI crashes.
  • New parameter default_ai_algorithm for setting the default AI
  • New parameter mp_rank for setting the order in which AIs appear in the MP computer player selection menu
  • New option “Keep saved AI” when reloading games from the MP Create Game screen.
  • Fix Lua AIs using the ai.stopunit_*() functions potentially creating infinite candidate action loops
  • Many fixes and improvements to campaigns.
  • Miscellaneous and bug fixes

How to Install Battle for Wesnoth 1.14.6 in Ubuntu:

The new release package has been made into Flatpak package, available to install via the Flathub repository.

1. (For Ubuntu 16.04 only), open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from app launcher. When it opens, run command:

sudo add-apt-repository ppa:alexlarsson/flatpak

sudo apt-get update

2. Install flatpak framework via command:

sudo apt-get install flatpak

3. Add flathub repository:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

4. Finally install the flatpak package of Battle for Wesnoth:

flatpak install flathub org.wesnoth.Wesnoth

Once installed, launch the game either from software launcher, or by running command flatpak run org.wesnoth.Wesnoth

(Optional) 5. To remove the game, run command:

flatpak uninstall org.wesnoth.Wesnoth

In Howtos, News
 

Qmmp 1.3.1 Released with projectM 3.1 Music Visualizer support

Last updated: February 25, 2019

Continue Reading…

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OnlyOffice Desktop Editors Available to Install in Ubuntu as Snap

Last updated: February 24, 2019

After testing for a period of time, OnlyOffice Desktop Editors snap package goes stable for Ubuntu and other Linux desktops.

“ONLYOFFICE Desktop Editors is a free office suite that combines text, spreadsheet and presentation editors allowing to create, view and edit documents stored on your Windows/Linux PC or Mac without an Internet connection. It is fully compatible with Office Open XML formats: .docx, .xlsx, .pptx.”

The snap is a containerized software package (runs in sandbox) runs in most Linux desktops. It bundles most required libraries and auto-updates itself.

For Ubuntu 18.04 and higher, simply open Ubuntu Software, search for and install onlyoffice:

For Ubuntu 16.04, first install snapd daemon by opening terminal (Ctrl+Alt+T) and then running command:

sudo apt install snapd

Then install OnlyOffice Desktop Editors via command:

sudo snap install onlyoffice-desktopeditors

Like normal software, open OnlyOffice from your system app launcher.

Uninstall:

To remove the software, either use Ubuntu Software, or run command in terminal:

snap remove onlyoffice-desktopeditors
In Howtos ,
 

How to Install Python 3.7.2 in Ubuntu 18.04 / 18.10

Last updated: October 12, 2019

This quick tutorial is for those who want to install the latest Python 3.7.2 in Ubuntu 18.04 LTS, Linux Mint 19.x, and Ubuntu 18.10.

Ubuntu 18.04 comes with Python 2.7 and Python 3.6 out-of-the-box, and later includes Python 3.7.1 in its updates (universe) repository.

For the updated Python 3.7.2, you can do following steps to use the ToolChain PPA packages.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for “Terminal” from app launcher. When it opens, run command to add the ToolChain PPA:

sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa

Type user password (no visual feedback) when it asks and hit Enter to continue.

2. Then run command to install Python3.7:

sudo apt install python3.7

For Linux Mint 19.x, run command sudo apt update to check updates first.

3. As the PPA contains other updates toolchain packages, e.g., gcc-7.4.0, gcc-8.2.0, and python-3.6.8, you may remove the PPA afterwards via Software & Updates -> Other Software tab.

4. To make python3 use the new installed python 3.7.2 instead of the default 3.6.7, run commands to add python3.7 as choice:

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 1

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 2

Then switch between the two versions via command:

sudo update-alternatives --config python3

That’s it. Enjoy!

In Howtos
 

How to Enable and Set Compose Key in Ubuntu 18.04

Last updated: February 21, 2019

This quick tutorial is going to show you how to enable compose key to allow entering a wide variety of special characters in Ubuntu 18.04 Gnome desktop.

As an alternative to the Character Map tool, use Compose Key sequences can be the most effective way to type often used special characters. For example, compose key followed by C and o will enter ©, a followed by ‘ will enter á.

1. To enable compose key in Ubuntu 18.04 and higher Gnome desktop, first open Ubuntu Software, search for and install Gnome Tweaks

2. Then open Gnome Tweaks and navigate to Keyboard & Mouse settings in left pane.

Click the ‘Compose Key’ button to bring up its settings dialog.

3. Turn on the switch and choose a compose key in next window:

That’s it. For compose key sequences, see GtkComposeTable and GtkDeadKeyTable.

In Howtos
 

DigiKam 6.0 Released with Support for Video Files Management

Last updated: February 20, 2019

DigiKam photo manager released new major version 6.0 recently with many great new feature including video files management support as photo.

DigiKam 6.0 release highlights:

  • Full support of video files management working just like photos.
  • An integration of all import/export web-service tools in LightTable, Image editor and Showfoto.
  • Raw file decoding engine supporting new cameras.
  • Similarity data is now stored in a separate database file.
  • Simplified web-service authentication using OAuth protocol.
  • New tools to export to Pinterest, OneDrive and Box web-services.
  • The capability to re-organize the icon-view contents manually.
  • See the release note for more details.

Download DigiKam 6.0

There’s no PPA repository, snap package, or flatpak package for the latest DigiKam.

So far there’s only Appimage available to make it easy to run DigiKam in Ubuntu.

  • Download the i386.appimage (for 32-bit) or x86_64.appimage (for 64-bit)
  • Right-click and go to file’s Properties dialog, and make it executable
  • Finally run the appimage to launch digiKam.

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Handbrake Video Transcoder 1.2.1 Released (Ubuntu PPA)

Last updated: February 19, 2019

Handbrake video transcode 1.2.1 was released a few days ago with numerous bug-fixes and improvements.

Handbrake 1.2.1 release highlights:

  • Fixed potential crashes due to use of uninitialized variables
  • Improved minimum duration to only apply to DVD and BD sources
  • Fixed incorrect video rotation where rotation flagged as none
  • Fixed yadif deinterlace filter not properly deinterlacing all frames
  • Fixed missing frame at the end of encodes from m2ts sources
  • Fixed detection of MPEG-1 video in program streams
  • Fixed decoding of MPEG-1 video in DVD sources
  • Fixed Apple VideoToolbox encoding issues related to pyramidal B-frames
  • Fixed lapsharp filter corrupting frame edges
  • Improved NLMeans performance
  • Improved AMD VCE encoding to enable placing key frames at chapter markers
  • Improved calculation of final frame duration
  • Improved support for BT.2020 color space
  • Fixed channel mapping for AAC 5.1 encoding
  • Fixed display of special characters in preset names
  • Fixed exporting presets to sanitize system reserved characters
  • Miscellaneous bug fixes and improvements

How to Install Handbrake in Ubuntu:

The official HandBrake PPA offers the latest packages for Ubuntu 18.04, Ubuntu 18.10, and Linux Mint 19.x.

1. Open terminal either via Ctrl+Alt+T keyboard shortcut or by searching for ‘terminal’ from application menu. When it opens, run command:

sudo add-apt-repository ppa:stebbins/handbrake-releases

Type user password (no asterisks feedback) when it asks for sudo command and hit Enter to add PPA.

2. Then install the video transcoder via command:

sudo apt install handbrake-gtk handbrake-cli

Linux Mint needs to run command sudo apt update first to refresh system package cache.

Uninstall:

To remove the software, open terminal and run command:

sudo apt remove --autoremove handbrake-gtk handbrke-cli

To remove the PPA, launch Software & Updates and navigate to Other Software tab.

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Sigil Epub Ebook Editor 0.9.11 Released (How to Install)

Last updated: February 18, 2019

Sigil ebook editor released version 0.9.11 a few days ago. Here’s how to install it in Ubuntu 18.04, Ubuntu 18.10, Ubuntu 16.04, and Linux Mint 19.x.

Sigil 0.9.11 release highlights:

  • Sigil’s ini preference files will be utf-8 encoded (Make backups before upgrading).
  • Restore ability to click in the Preview window to reposition to the same point in Code View.
  • Update Sigil’s gumbo parser to fix all known bugs and greatly speedup parsing
  • Add support for internal but unmanifested opf metadata link resources under epub3
  • Extend “Open With” context menu to allow up to 5 external editors per resource type
  • And various bug-fixes.

How to Install Sigil 0.9.11 in Ubuntu:

The new release can be easily installed in Ubuntu 16.04, Ubuntu 18.10, Ubuntu 18.04, Linux Mint 19 via PPA (unofficial) repository.

1. Open terminal by either pressing Ctrl+Alt+T on keyboard or searching for “Terminal” from software launcher. When it opens, run command to add the PPA:

sudo add-apt-repository ppa:ubuntuhandbook1/sigil

Type your user password (no asterisks feedback due to security reason) when it prompts and hit Enter.

2. Then you can upgrade Sigil editor from an existing release via Software Updater:

Or install /upgrade Sigil via commands:

sudo apt update

sudo apt install sigil

Uninstall:

To remove the PPA repository, launch ‘Software & Updates’ utility and navigate to ‘Other Software’ tab.

To remove Sigil epub editor, either use system package manager or run command in terminal:

sudo apt-get remove --autoremove sigil sigil-data
In Howtos, News