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I think that see my [email protected] is not so beatiful, so i want to change it. It's a simple thing to do in afew steps.

1. Edit hosts file with:

sudo gedit /etc/hosts

and put the name in the row with
2. Edit hostname file:

sudo gedit /etc/hostname

then restart your shell

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This is a very simple project. All the following schemes are made with fritzing
Required materials:
  1. Arduino board
  2. 220 ohm resistor
  3. 1 LED
  4. some wires
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Find JDK Installation Directory

First you need to know the installation path for the Java Development Kit.

Open the default installation path for the Java Development Kit


C\Program Files\Java


There should be a subdirectory like


C:\Program Files\Java\jdk1.6.0_10


Set the JAVA_HOME Variable

Once you have the JDK installation path:

  1. Right-click the My Computer icon on
  2. your desktop and select Properties.
  3. Click the Advanced tab. Click the
  4. Environment Variables button. Under System Variables, click New.
  5. Enter the variable name as JAVA_HOME.
  6. Enter the variable value as the installation path for the Java Development Kit.
  7. Click OK.
  8. Click Apply Changes.

You might need to restart windows.