I am a newbie to Ubuntu. I installed Ubuntu 12.04 using a USB Stick and it was running all fine for a few weeks and this error popped up. According to one of my friend, the best way was to re-install Ubuntu. Being from a non unix background i thought the same too and after the second install it happened again, but only this time was much quicker, in 3 days. I don't want to re-install Ubuntu every time this happens. I am a complete newbie to Linux which means that i am really bad at using terminal. I know there are other people who fixed this issue using this very same forum, but unfortunately the answers provided are too complex for me to understand. Please let me know how to do this.

Things I want to let you know:

1. I would need help step by step if that is alright with you.

2. After i get the error i get the options and i click exit to console login I get the following message in a black screen (which i think is a command line sort of thing):

   * Stopping save kernel messages                           [OK]
   apache2: Could not reliably determine the server's fully qualified domain name,using 127.0.1.1 for ServerName                                  [OK]
   * Starting web server apache2    
   

and a blinking cursor. So basically it looks like a dead end for my non unixy eye.

1. And one final thing is before this issue had happened i had tried configuring Python to Apache2. For that i had uninstalled and installed LAMP server several time and edited the configuration files too. I don't know if this really is a concern, but I don't know..

2. I have a USB with Ubuntu 12.04 in it so i can install it anytime. (But i want to know what the issue is rather than running away) .

3. I migrated to Ubuntu from Windows and i have no plans to go back.

I think that's from my side. Please let me know if there are any questions.