Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
To illustrate this, I am going to use two real world
examples. These are applications that I use myself: Ubuntu Tweak and
Gantt Project.
The first one is Ubuntu Tweak. This is a
great little utility, similar to Microsoft's TweakUI PowerToy, in that
Ubuntu Tweak brings together all the Graphical User Interface (GUI)
tweaks that you'd have to hunt around in various other screens to find.
The author is also constantly updating it with bigger and better
features, so it needs to be updated every now and again.
Ubuntu Tweak isn't available through the default Ubuntu repositories. I
can't find it and easily install it using Add/Remove Applications or
Synaptic. So, how do I install it?
Firstly, you download the file (this is a .deb file, which means that
it is Debian compatible. Debian is the base Linux distribution upon
which Ubuntu is built) from the website. Once downloaded, double-click
on the file to install it. A window will open up with some details
about the file itself - description, version, author's contact details,
etc. Here you can check that you have downloaded the correct file and
version.
Look to see that all the "dependancies" are satisfied. "Dependancies"
are programs which are required to be there to make this one work.
Think of it like driving a car - a "dependancy" would be the presence
of fuel in the tank to make it work.
Click on "Install Package" and put
in your password. Sit back for a few seconds and watch it install. Once
installed, it will tell you that the installation was finished. Click
Close and then close the package install manager. Ubuntu Tweak is
available from the Applications menu (like the Windows Start menu)
under System Tools.
It really is that easy and not at all scary!
Continue onto page three to find out how to use packages that don't have installers
David Bass
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