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The new stable Opera 49 was released earlier today with built-in VR playback system, feature improvements, and more.

Opera 49 release highlights:

  • VR playback system that supports 360-degree vedios, 2D movies or standard 180-degree videos.
  • Integrate VK Messenger into browser sidebar.
  • Add editing tools and selfie mode in Snapshot tool.
  • Add five new currencies for the currency converter.
  • Ability to rearrange extension icons
  • Refined private mode, O-Menu and History panel improvements
  • See release note for details.

How to Install Opera 49 in Ubuntu:

The opera website offers official .deb binaries for Ubuntu Linux, available for download at the link below:

Download Opera for Linux

If you have a previous release installed, and enabled the official Opera Linux repository, upgrade it via Software Updater:

To manually add the Opera for Linux repository, open terminal via Ctrl+Alt+T or from app launcher, when it opens, run commands:

1. 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 your system package manager or upgrade the browser via Software Updater.

KDE Plasma 5.10

The latest Plasma desktop 5.8.8 LTS (long-term support) release has been made into Kubuntu Backports PPA for KUbuntu 16.04.

Plasma 5.8.8 was released 2 weeks ago with numerous bug-fixes.

  • Fix crash when using Discover during updates.
  • Try to read CPU clock from cpufreq/scaling_cur_freq instead of /proc/cpuinfo.
  • DrKonqi crash handler: make attaching backtraces to existing bug reports work.
  • Fix crash when removing panel with system tray in it.
  • Read the release note for details.

Plasma desktop

Install Plasma 5.8.8 in (K)Ubuntu 16.04:

1. Open terminal via Ctrl+Alt+T or by searching for “Terminal” from start menu. When it opens, run command to add the PPA:

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

Type in your password when prompts and hit Enter.

kubuntu backports ppa

2. Then upgrade your system to get the latest Plasma Desktop:

sudo apt update && sudo apt full-upgrade

After the upgrade process has completed, and assuming everything went well, reboot your computer.

For non-Kubuntu desktop, you may first install the Kubuntu desktop package from Ubuntu Software before doing the upgrade.

How to Uninstall:

To undo the changes and restore to the stock version of Plasma Desktop in your main Ubuntu repository, purge the PPA via command:

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

Audacity, free and open-source audio editing and recording software, reached the new major 2.2.0 release a few days ago with great new features and tons of bug-fixes.

Audacity 2.2.0 release highlights:

  • Four supplied user interface themes, and customizability of themes for advanced users.
  • Playback of MIDI files (requires cooperating software synthesizer programs on macOs or Linux)
  • Better organized menus
  • Help link buttons in many dialogs lead to the relevant manual pages
  • 198 bugs/annoyances in 2.1.3 fixed, most importantly
  • Improved recovery from full file system errors
  • Thorough update of the manual with new images, more hover texts, and more cross-references.
  • Complete support for macOS 10.12 (Sierra) and 10.13 (High Sierra)

How to Install Audacity 2.2.0 in Ubuntu:

The Audacity team does not offer pre-compiled Linux binaries. Besides building from source, a third-party PPA is available with Audacity 2.2.0 for Ubuntu 16.04, Ubuntu 17.04, and Ubuntu 17.10.

1. Open terminal via Ctrl+Alt+T or by searching for ‘terminal’ from app launcher. When it opens, run command:

sudo add-apt-repository ppa:ubuntuhandbook1/audacity

Input your password (no visual feedback while typing) when it prompts and hit Enter to add the PPA.

audacity ppa

2. If you have a previous version installed, you can upgrade Audacity via Software Updater after adding the PPA.

upgrade audacity

or run following commands one by one to check updates and install (or upgrade) audacity 2.2:

sudo apt-get update

sudo apt-get install audacity


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

To remove Audacity audio software, either use system package manager or run command in terminal:

sudo apt-get remove --autoremove audacity audacity-data


The SMPlayer media player reached the 17.11.0 release earlier today. The new release features a few small bug-fixes and improvements.

Changes in SMPlayer 17.11 include:

  • The video equalizer by software has been fixed.
  • The thumbnail generator is now more precise with short videos.
  • The audio quality of the audio equalizer has been improved.
  • The option “add black borders on fullscreen” has been fixed.
  • The option “AC3/DTS passthrough over S/PDIF” has been fixed.

SMPlayer with Mac skin

How to Install SMPlayer 17.11 in Ubuntu via PPA:

The new release has made into the official PPA, available for Ubuntu 17.10, Ubuntu 17.04, Ubuntu 16.04, Ubuntu 14.04, Ubuntu 12.04, and their derivatives.

1. Open terminal and run the following command to add the PPA:

sudo add-apt-repository ppa:rvm/smplayer

Smplayer PPA

For those who prefer Qt4 version, use the another PPA instead:

sudo add-apt-repository ppa:rvm/smplayer-qt4

2. Then you can upgrade SMPlayer from a previous release via Software Updater (Update Manager) after checking for updates:

upgrade smplayer

Or you can run the commands below in terminal to do install or upgrade SMPlayer:

sudo apt-get update 

sudo apt-get install smplayer smtube

How to Restore:

For any reason, you can easily restore the installation to the stock version via the ppa-purge tool:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:rvm/smplayer

For the qt4 ppa, replace ppa:rvm/smplayer with ppa:rvm/smplayer-qt4 in the code.

MuseScore, free music composition and notation software, reached the 2.1 release months ago. However, it can’t be built in Ubuntu 16.04 due to old system Qt libraries.

Besides using non-install Appimage, MuseScore 2.1 is finally available as Snap package for Ubuntu 16.04 and higher after a few months of testing in beta channel.

1. Simply open terminal via Ctrl+Alt+T or by searching for “terminal” from application launcher. When it opens, run command:

sudo snap install musescore

Input your password (no visual feedback while typing) when it prompts and hit Enter.

Or install it via Ubuntu Software (need sign in with your Ubuntu account).

2. Some interfaces need to be connected manually via commands:

sudo snap connect musescore:cups-control
sudo snap connect musescore:network-manager
sudo snap connect musescore:alsa

Once installed, launch MuseScore from application launcher and enjoy!


To remove the snap version of MuseScore, either use Ubuntu Software or run command:

sudo snap remove musescore