Add the following to ~/.bashrc

export PS1="\\e\[1;34m\[\\u@\\h \\W\]\\$ \\e\[m "

Ref.: http://www.cyberciti.biz/faq/bash-shell-change-the-color-of-my-shell-prompt-under-linux-or-unix/ http://www.expertsrt.com/tutorials/Matt/CmdPrompt.html