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In this tutorial I’ll show you how to download Youtube Video and convert to animated gif base on Ubuntu 12.04 Precise or 12.10 Quantal.

To download Youtube Videos:

There are quite a few ways to download Youtube videos from Ubuntu Linux. Here’re some of them:

1.) If you’re Firefox user, install Video DownloadHelper plugin. It downloads any embedded object including Youtube videos.

2.) Install the tool youtube-dl:

sudo apt-get install youtube-dl

Then download videos via command line way:

youtube-dl YouTube-video-link

3.) Install Minitube which is available in Ubuntu Software Center. From this application you can watch and download youtube videos:

minitube

To convert Youtube video to animated gif:

QGifer is a simple GUI tool for extracting part of a video to an animated GIF file. It works on Windows and Linux.

Features:

  • GIF extraction from a video file
  • Color palette editor
  • Variable color palette support
  • Dithering
  • Text rendering
  • Graphics insertion
  • Object interpolation
  • Cropping
  • Filtering
  • Looping by appending reversed copy
  • GIF optimization through ImageMagick
  • Project management
  • Translations: English, Swedish, Polish, Russian

See the video:

To install it on Ubuntu 12.10, 12.04:

1.) Install the required dependencies:

sudo apt-get install libopencv-core2.3 libopencv-highgui2.3 libopencv-imgproc2.3

2.) Run following 3 commands one by one to install the app from ppa:

sudo add-apt-repository ppa:samrog131/ppa

sudo apt-get update

sudo apt-get install qgifer

Enjoy!

Ubuntu 13.04 Raring comes with workspaces disabled by default. So you’re unable to switch between workspaces via hot-keys or shortcut icon on Unity Launcher.

To enable this feature, search and open Appearance in Unity Dash.

Appearance-unity-dash

Then you can easily switch on or off the wordspaces as well as the shortcut keys at Behaviour tab.

enable-Workspaces

After enabled this feature, use Ctrl+Alt+ Up (Down, Left, Right) key combination to switch between wordspaces. Or click the “Workspace Switcher” icon on Unity Launcher to view workspaces.

Workspace-Switcher

Enjoy!