In an age where privacy is loosing more and more of importance in our society and less and less people fighting for their right of privacy it becomes very important to help your self to generate privacy and a good start is going to be an encrypted Operating System installation. You are lucky if your Operating of choice is Ubuntu or one of their other flavors. Ubuntu provides the ability to encrypt your Ubuntu installation right when you install it.
Pretty soon this site will fill up with Linux articles to help you over come your problems. All articles are based on a Debian based Linux distribution such like Ubuntu, Linux Mint and Debian itself.