HTK in Ubuntu

Reference from http://www.voxforge.org/home/dev/acousticmodels/linux/create/htkjulius/tutorial/download/comments/additional-instructions-to-compile-htk-on-ubuntu-8-hardy

make sure you have gcc, make.

$ gcc -v

$ make -v

If you don't have make

$ sudo apt-get install make

If you don't have gcc

$ sudo apt-get install build-essential

You may need 

$ sudo apt-get install libx11-dev

if make all error

Then runDemo http://jrgemini.blogspot.com/2008/07/htk-rundemo.html

You should be get the right result.