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LibreOffice 4.1 has been officially released. It’s available for Ubuntu 13.04 Raring and 12.04 Precise users from the main LibreOffice PPA repository.

LibreOffice 4.1 main window

LibreOffice 4.1 features a large number of improvements in the area of document compatibility, which increases the opportunities of sharing knowledge with users of proprietary software while retaining the original layout and contents.

New Features:

  • Rotate images in Writer in 90 degree increments
  • Writer, Calc and Impress now allow embedding fonts in their documents.
  • It is now easy to include a series of photos in Impress with the “Photo Album” feature.
  • Add a Stepped Lines line type to Line and XY (Scatter) graphs
  • Especially for migrations, LibreOffice adds a number of significant improvements of interoperability with MS Office formats.
  • A very large number of bugs have been fixed
  • More.

Install LibreOffice 4.1

Press Ctrl+Alt+T on your keyboard to open terminal. When it opens, run below commands to add the LibreOffice Main repository.

sudo add-apt-repository ppa:libreoffice/libreoffice-4-1

After that, update your package lists and install the office suit. To do so, run below command:

sudo apt-get update; sudo apt-get install libreoffice

LibreOffice 4.1 about

Now you can start LibreOffice 4.1 from the Unity Dash. Enjoy!

Silicon Empire is set of open-source tools to Burn, Copy, Backup, Manage and … your optical discs like CDs, DVDs and Blu-Rays. Silicon target is made optical discs managing easy.


In this tutorial I’ll show you how to install it on Ubuntu 13.04 Raring, 12.10 Quantal, and 12.04 and create a shortcut launcher for Unity.


  • Install Silicon Empire CD / DVD / blu-ray software on Ubuntu and create launcher
  • Enjoy!


To get started, download the DEBs from the official download link below:

Silicon for Ubuntu 12.04: 32-bit | 64-bit

Silicon for Ubuntu 13.04: 32-bit | 64-bit

For other versions and operating systems, go to


To install it, press Ctrl+Alt+T to open terminal:

Open Terminal to run commands

Then run below commands:

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

Create Launcher:

Install required package:

sudo apt-get install gnome-panel --no-install-recommends

Run command to bring up custom launcher dialog:

sudo gnome-desktop-item-edit /usr/share/applications/ --create-new

Choose icon, type name and command as the picture shown: