Archives For Howtos

The latest release of Mesa 3D graphics library 17.2.4 now is available to install easily via Ubuntu-X Team PPA in Ubuntu 16.04 and Ubuntu 17.10.

Mesa 17.2.4 was released more than a week ago with several Intel OpenGL/Vulkan fixes, memory leak fixes for the Mesa state tracker, a Vulkan windowing system integration memory leak fix for X11, and some other small fixes.

How to Install Mesa 17.2.4 in Ubuntu 16.04, 17.10 via PPA:

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

sudo add-apt-repository ppa:ubuntu-x-swat/updates

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

Mesa ppa

2. Then refresh your system and install upgrades via commands:

sudo apt-get update

sudo apt-get install dist-upgrade

3. To check result, run command:

glxinfo | grep "OpenGL version"

How to Restore:

To revert back to the original Mesa 3D graphics library in Ubuntu, get into command console and run command:

sudo apt install ppa-purge && sudo ppa-purge ppa:ubuntu-x-swat/updates

Visual Studio Code IDE

Visual studio code reached the 1.17 release. Here’s the release highlights and how to install it in Ubuntu.

VS Code 1.18 features:

  • Support for multi-root workspaces enabled by default.
  • Support vertical panel layout.
  • File Explorer shows modified, added, conflicting, and ignored files in a different color and with a badge.
  • Faster Windows start-up and editor performance tuning.
  • Speed up your coding with auto imports for JavaScript and TypeScript.
  • Install missing @types for TypeScript.
  • For more, see the release note.

How to Install VS Code 1.18 in Ubuntu:

The official .deb package for Debian/Ubuntu is available for download at the link below:

Download VS Code (.deb)

Then install it via either Gdebi package manager or command (Ctrl+Alt+T):

sudo dpkg -i ~/Downloads/code_*.deb; sudo apt -f install

For those who want to receive updates for VS Code via Software Updater utility, add the Microsoft repository via following steps (64bit only):

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

sudo sh -c 'echo "deb [arch=amd64] stable main" > /etc/apt/sources.list.d/vscode.list'

2. Download and install the repository key via commands:

curl | gpg --dearmor > microsoft.gpg

sudo mv microsoft.gpg /etc/apt/trusted.gpg.d/microsoft.gpg

Uninstall Visual Studio Code:

To remove the code editor, either use Synaptic Package Manager or run command:

sudo apt-get remove --autoremove code

And remove the Microsoft repository by launching Software & Updates utility and navigating to Other Software tab.

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.

Enlightenment E22

The Enlightenment desktop environment reached the new major 22 release a few days ago. Here’s how to install it via PPA in Ubuntu 14.04, Ubuntu 16.04, Ubuntu 17.04, and Ubuntu 17.10.

Enlightenment E22 Features:

  • Greatly improved Wayland support
  • Improvements to new gadget infrastructure
  • Added a sudo/ssh askpass utility gui
  • meson build system
  • tiling policy improvements
  • integrated per-window volume controls

How to Install Enlightment E21 via PPA in Ubuntu:

For all current Ubuntu releases and derivatives, Enlightenment 0.22 is available for install via the PPA repository.

1. Open terminal via Ctrl+Alt+T or by searching “Terminal” from app menu. When it opens, run command:

sudo add-apt-repository ppa:niko2040/e19

Type in your password and hit Enter to add the E21 PPA, though it contains e19 in its name.

2. Then check updates and install the window manager via commands:

sudo apt-get update

sudo apt-get install enlightenment

If everything goes well, log out and select log back with Enlightenment session.


The PPA can be removed via the Software & Updates utility under Other Software tab. To remove Enlightenment, simply run command:

sudo apt-get remove enlightenment && sudo apt-get autoremove

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