Frozen Bubble is a free software “Puzzle Bobble” style computer game which is available on several operating systems including Linux, Mac OS X, Windows and the Symbian Series 60 line of smartphones.
This is a puzzle game where you must launch colored bubbles toward bubbles frozen to the top of the screen. If there are three or more bubbles of the same color in contact, those bubbles will pop.
The original Frozen Bubble was written in Perl by Guillaume Cottenceau, and uses the Simple DirectMedia Layer (SDL) library. The game features 100 levels and includes a level editor.

Features
Frozen Bubble features:

50 Single player levels
A two player mode
Beautiful music
Colorful, detailed graphics
Hours and hours of 2p game
3 Professional quality 20-channel music
15 stereo sound effects
7 unique graphical transition effects.

Installation
To install Frozen Bubble you may use the command line and type:

sudo apt-get install frozen-bubble

Play it
To start Frozen Bubble, in a terminal type:

frozen-bubble

You should find the launcher in the Games section of the Applications menu.

Applications -> Games -> Frozen-Bubble

That?s it, play it!

PostgreSQL is a powerful object-relational database management system, provided under a flexible BSD-style license. PostgreSQL contains many advanced features, is very fast and standards compliant. It supports a large part of the SQL standard and is designed to be extensible by users in many aspects.
Some of the features are: ACID transactions, foreign keys, views, sequences, sub queries, triggers, user-defined types and functions, outer joins, multi version concurrency control. Graphical user interfaces and bindings for many programming languages are available as well.
This is a simple walk-through to install the PostgreSQL database server and the PgAdmin administration application on Ubuntu Linux.
Installing The Database Server
To install PostgreSQL 8.1 you may use the command line and type:

sudo apt-get install postgresql-8.1

GUI for PostgreSQL
To install pgAdmin III, a handy GUI for PostgreSQL, you may use the command line and type:

sudo apt-get install pgadmin3

Basic Server Setup
Set Password
To start off, we need to change the PostgreSQL postgres user password, we will not be able to access the server otherwise. As the “postgres” Linux user, we will execute the psql command, in a terminal type:

sudo -u postgres psql template1

Then …