Install latest netbeans and oracle java on ubuntu 12.04

sudo su -l

#install oracle java 7

add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java7-installer

# install latest netbeans
download from https://netbeans.org/downloads/

Make Ubuntu faster with tmpfs and swappiness

# If you have enough RAM you want to turn off swappiness and turn on tmpfs

 vi /etc/fstab

 # add the line

tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0


 vi /etc/sysctl.conf

 # add the line

 vm.swappiness = 0

Bing the windows key to the lubuntu start menu (lxpanel menu)

vi ~/.config/openbox/lxde-rc.xml

 # add the following entry inside the keyboard xml element lxpanelctl menu

<keybind key="Super_L">
  <action name="Execute">
    <command>lxpanelctl menu</command>
  </action>
</keybind>