Install Khmer Script on Linux

1). Go to terminal
#Sudo  aptitude   install   ttf-khmeros

2). Go to preferences
Keyboad
              - Add
              - Available Layouts
              - Cambodia
              - Ok

*** Read Khmer Unicode Firefox
1). Go to terminal
#Sudo   vim /etc/environment

add one line  " MOZ_DISABLE_PANGO = 0

2) Save this file.