In order to use the Pi as a Squeezebox client, we will use the open source software, squeezelite (https://code.google.com/p/squeezelite).
First, we need to install some prerequisites on the Pi which are required to run the squeezelite software, which can be done using the following command:
sudo apt-get install -y libflac-dev libfaad2 libmad0
Next, we will download the precompiled squeezelite binary from the Google Code page using
wget. We will give it execute permissions to it and move it into the binary directory, allowing it to be executed like any other command-line application:
wget http://squeezelite-downloads.googlecode.com/git/squeezelite-armv6hf sudo chmod a+x squeezelite-armv6hf sudo mv squeezelite-armv6hf ...