Thursday, July 12, 2018

How to Install Signal Private Messenger Desktop on Ubuntu

Linuxslaves.com - Signal is a free encrypted messenger app for mobile (Android and iOS) and desktop (Linux, MacOs, and Windows) developed by Open Whisper Systems. Well, this is good alternative to WhatsApp.

The app uses the Internet to send one-to-one and group messages, which can include files, voice notes, images or videos, and make one-to-one voice.

All of messages and calls are always end-to-end encrypted and painstakingly engineered to keep your communication safe.

Install Signal Desktop App on Ubuntu Linux

The clients are published as free and open-source software under the GPLv3 license. You can verify its security by auditing the code. Signal is the only private messenger that uses open source peer-reviewed cryptographic protocols to keep your messages safe.

Just like WhatsApp and Telegram, Signal uses standard cellular mobile numbers as identifiers.

Install Signal Private Messenger

The desktop version of Signal (electron-based) runs independently. So it makes the app more accessible than distributed through the Chrome Web Store.

Suggested read :

Step 1 - Open terminal via app launcher or simply press Ctrl+Alt+T

Step 2 - Run the following command to add the signal key :

wget https://updates.signal.org/desktop/apt/keys.asc | sudo apt-key add -

Step 3 - Add new repository to your Ubuntu desktop

echo "deb [arch=amd64] https://updates.signal.org/desktop/apt xenial main" | sudo tee -a /etc/apt/sources.list.d/signal-xenial.list

Step 4 - Resynchronize the package index files :

sudo apt update

Step 5 - Now install the Signal desktop app :

sudo apt install signal-desktop

Install Signal via Snap

The application is available as snap. So this might be the easiest and quickest way to install Signal in Ubuntu.

sudo snap install signal-desktop

Once installed, you can now open the app and scan the QR code from your mobile Signal App for authentication (like WhatsApp).

If you don't have Signal on your Android or iOS device, here are the Signal app links :

Tuesday, July 10, 2018

Install latest Remmina Remote Desktop Client in Ubuntu 18.04 / 16.04

Linuxslaves.com - Today I'm gonna show you the easy way to install the latest version of The latest Remmina remote desktop client in Ubuntu 18.04 LTS Bionic Beaver and 16.04 LTS Xenial Xerus.

Saturday, July 7, 2018

How to Install OpenShot 2.4.2 in Ubuntu 18.04 / 16.04 / 14.04

A new version of open source & free video editor OpenShot is available for download - OpenShot video editor 2.4.2 has released with new video effects, adds a couple of new editing features, better performance and stability than previous versions.

OpenShot was created in 2008, in an effort to build simple, open-source, free video editor for Linux, Mac, and Windows. It helps you edit any video and audio effects, and export your creations to YouTube.

Changes in OpenShot 2.4.2

Here are release highlights of latest OpenShot :
  • 7 new effects
  • Auto audio mixing strategy per clip (average, reduce, or none)
  • Auto-Rotates any Clip with Reader metadata ‘rotate’ attribute
  • Experimental codecs now supported in FFmpeg/LibAV
  • Many improvements for Audio playback, stability, export dialog, etc
  • Numerous bug-fixes

The new effects including :
  1. Bars : Create a cinematic letterbox effect, or border a vertical video
  2. Colour Shift : Applies an anaglyph style shift in RGBA colours
  3. Crop : Hone in on a specific section of a clip
  4. Hue : Adjust the hue of a video clip or image
  5. Pixelate : Pixelate a clip/image
  6. Shift : Creates a motion tile from a clip or image
  7. Wave : Applies a ripple distortion effect to footage



For more detail, please refer to its release note.

Install / Upgrade OpenShot 2.4.2 in Ubuntu Linux

You can install the latest version via OpenShot's official PPA. The packages now available for Ubuntu 14.04, Ubuntu 16.04, and Ubuntu 17.10, Ubuntu 18.04, and derivatives.

Install OpenShot in Linux Ubuntu, Mint

Step 1 - Open terminal (Ctrl+Alt+T), then run the command below to add the PPA :

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

Type your password and press Enter continue.

Step 2 - Run update to resync the index :

sudo apt update

Ubuntu 18.04 is not required run apt update command since it automatically refresh repository caches after adding PPA

Step 3 - Now you can upgrade this video editor via Software Updater or running the following command :

sudo apt-get install openshot-qt libopenshot*

An official OpenShot AppImage is also available to download.

Thursday, July 5, 2018

Download Elementary OS Juno 5.0 Beta ISO (pre-release)

Linuxslaves.com - The first beta for Elementary 5.0 Juno is now available to download. Based on GNU/Linux Ubuntu 18.04 LTS Bionic Beaver, the Juno will ship new features and changes.

Friday, June 29, 2018

How to Install Unity 7 Desktop in Ubuntu 18.04 LTS Bionic Beaver

Linuxslaves.com - The Unity has been the default Ubuntu desktop environment since April 2011. Sadly, Cannonical dropped it and back to GNOME. If you are a big fan of Unity and would like to use it instead of GNOME, you can easily install Unity in Ubuntu 18.04.

The packages are served Universe repository. It means the Unity that you're going to install is community maintained or in other words, Ubuntu developers do not work directly on these packages.

Install Unity on Ubuntu 18.04

Well, to install the Unity desktop in GNOME is quite easy. You just need to follow the instructions below :

Unity Desktop in Ubuntu 18.04

Step 1 - Open terminal via app launcher or simply press Ctrl+Alt+T and run the following command :

sudo apt update
sudo apt install ubuntu-unity-desktop

Step 2 - During the installation process, you'll be asked whether you want to switch to the LightDM (a default display manager for the Unity desktop). So just select your preferred one.

Suggested read:

Step 3 - Reboot your system once the Unity installation is complete.

Switch to Unity desktop in GNOME

  • At the Ubuntu login screen, click the gear icon (GDM) or Ubuntu icon (LightDM)
  • Select Unity (Default)
  • Enter your password and log back in
  • Enjoy Unity desktop in Ubuntu 18.04 LTS

How to Remove Unity in Ubuntu 18.04

If you face any issues while using Unity 7 in Bionic Beaver, you can switch back to GNOME. To do so :

Step 1 - First, log out from Unity and log in to GNOME

Step 2 - Run the command below :

sudo apt purge ubuntu-unity-desktop

Step 3 - If you want to remove LightDM, you need to switch to GDM. To do so, use the command below :

sudo dpkg-reconfigure gdm3

Step 4 - Once reconfigured, now you can safely remove LightDM :

sudo apt purge lightdm
sudo apt autoremove

Step 5 - Reboot your system and you will have GNOME back.

These were all how to switch from GNOME to Unity in Ubuntu 18.04. Thanks for reading!.

Friday, June 1, 2018

Easy Way to Install Mesa 18.0.4 in Ubuntu 18.04 LTS

Linuxslaves.com - Wondering how to install Mesa on Ubuntu 18.04 LTS?. Well, you're on the right track!. Canonical's Timo Aaltonen has announced the latest stable of Mesa into Ubuntu-X Team PPA.

Wednesday, May 23, 2018

How to Install Wallpapers from Older Ubuntu Releases in One Hit

Linuxslaves.com - Each Ubuntu release ships with beautiful wallpapers. Starting with 9.10 Karmic Koala, you can easily install all of community wallpapers in newer Ubuntu release with single command.

Monday, May 21, 2018

Install Latest qBittorrent in Ubuntu Linux and Derivatives System

Linuxslaves.com - Looking for best torrent client in Ubuntu?. Give this app a try. qBittorrent is an advanced, free, open source application (as the name suggests) based on Qt4 toolkit and libtorrent-rasterbar library.