A lot of people has trouble booting in to Ubuntu after installation of Nvidia Driver.
Finally I had found a solution to this problem.
On the boot menu Click
Ubuntu Recovery Mode
You will see a Blue Screen . On the options scroll down and click on failsafex
You will now see a small dialog box. Click on OK Button.
Press OK two or three times more.
You will now boot into your Ubuntu OS.
Connect to the internet.
Open Hardware Drivers and install(activate) a recommended Nvidia Driver.
How to see transit of Venus using Stellarium in Ubuntu
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<b>To view in Ubuntu </b><br />Go to<br /><span style="color: blue;"><b>Applications –> Ubuntu Software Center –></b></span><br />and search for <b>Stellarium </b>and click install button<br />Then do the steps as shown below</div>
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<b>Steps</b>
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<b><span style="color: blue;">Applications—>Science—->Stellarium</span></b>
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in tool bar select <b><span style="color: blue;">location window</span></b> , then select country name the location u need
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here we type India country name and location kunnamkulam
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in tool bar select<span style="color: blue;"> <b>Search window</b></span>
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<span style="color: blue;">find objec</span>t position
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in here we type <b>venus </b>on the search box
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by scrolling mouse you can zoom the selected object
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in tool bar select <b><span style="color: blue;">Date And Time</span></b>
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adjust the date <b>2012/6/6 </b>and time <b>1:00:00</b>
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in status bar selec<span style="color: blue;">t <b>inceasing and decreasing the time</b></span>
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using the keyes <b>L</b> and<b> J </b>on key- board
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The transit also between the time <b>6:00 to 10:15 in kunnamkulam</b><br /><b><br /></b>
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How to open PHP files in Ubuntu instead of downloading.
No one can open PHP files in web browsers without a server. Page types such as HTML, Javascript and CSS can be understand by the browsers. But browsers can’t understand PHP. So the file will download.
There are two types of file that will run : Client-side and Server-side
Client Side : The program runs in browser itself. The client can easily access the code. The browser can understand the language in which the client program is written.
examples : HTML, CSS, JavaScript, jQuery, AngularJS
Server Side : The program runs in server and the finished page is sent to the client’s browser. The returned page won’t contain any source code of the language ie the client won’t see the code in page source unlike in Client Side. The returned page won’t contain any server language at all.
So now you got the reason why the PHP file won’t open in web browsers. You can only open PHP file with a server that supports PHP language. So here’s how to install Apache server and configure the server in Ubuntu
How To Create A Localhost Web Site In Linux Using Apache Web Server
Localhost is a hosting place in your own computer. There are a vast number of Localhost servers you can use. The most used and popular of them is Apache. Localhost enables you to test your work on your computer itself, instead of testing on a live server on the web. If you are creating a project, Localhost is the best place to test that project. In this tutorial I will show you how to create a localhost site running on Apache Server in any Linux Distribution.