Enable the repositories.

After the fresh installation of Ubuntu , it's always beneficial to enable enable the universe, multiverse, backport and Canonical’s ‘partner’ repositories. These repositories allow us to install third party software easily and quickly.

How to enable repositories?

Go to system >>Administration>>Software Sources>>.

Under the ubuntu software tab check all the options other than source code.

Under third party software check all the boxes

Click on Close button and press the Reload button at the top left corner to update the repositories.

Multimedia support in Ubuntu Jaunty(Ubuntu 9.04)

Certain packages like flash plugin and many other codecs to play some video/audio formats are not installed by default. The meta package called ubuntu-restriced-extras installs all the required resticted packages.

Go to terminal and type

deep@deep-laptop:~$ sudo apt-get install ubuntu-restricted-extras

If you don't want to use terminal, follow the following steps:

Go to System >> Administration >> Synaptic Package Manager >> On the search box type ubuntu-restricted-extras and check it. >> Click apply

Install important Multimedia Codecs:

deep@deep-laptop:~$sudo apt-get install libdvdread3

For i386 :

deep@deep-laptop:~$sudo apt-get install w32codecs

For amd64:

deep@deep-laptop:~$sudo apt-get install w64codecs

Install VLC player and Mplayer

deep@deep-laptop:~$sudo apt-get install vlc

deep@deep-laptop:~$sudo apt-get install mplayer

Install Flash Player Plugin

deep@deep-laptop:~$sudo apt-get install flashplugin-nonfree libflashsupport

deep@deep-laptop:~$sudo apt-get install mozilla-plugin-gnash

Configure Firewall:

It is recommended to activate the firewall to ensure better security for your system. It prevents unauthorized access to your computer. UFW is installed by default in Ubuntu 9.04 but due to the lack of graphical interface we don't notice it. Install the GUFW by typing the following command in terminal:

deep@deep-laptop:~$sudo apt-get install gufw

Then

Go to system >> Administration >> Firewall Configuration

Make the settings according to your need.