Find an accredited course online that is heavily practical. Most deal with similar topics: recording and technology, songwriting/composition, performance and a look at how the music industry works.
Ensure the course you opt for is primarily graded on practical assessments, not theory. Learning music production is a hands-on job, best learned through experience. Production studios will be more concerned that you can work the latest equipment than whether you can craft an essay. Visit the university or college to make sure its recording a sound equipment is up to scratch.
Look to do work experience or an internship while you are studying. By offering your services for free, production companies will be much more willing to let you through the door. You will get to work with actual recording artists, get invaluable experience and you might even get a job out of it once you graduate.
Buy a decent computer (at least 250 GB of memory and 1GB of RAM). If using an existing computer wipe all unnecessary files and programs off the computer to maximize memory space.
Choose a music software program. There are many available and your choice will depend on what computer you have. Cakewalk Sonar studio is a good option for a PC, as is Apple Logic Pro for a Mac.
Purchase a MIDI interface and mixer. The MIDI interface translates audio into computer language and the mixer helps turn it back into audio. A decent sound card can perform the functions of both, but the quality of the finished recording is not going to be as good as if you had invested in separate devices.
Buy a microphone. Again, there is an enormous range of microphones available. Choose wisely. A cheap mic will ruin the quality of a recording, no matter how fantastic the other equipment you have bought may be.
Hook up the equipment and begin practicing. Find out if there are any up-and-coming bands in your area and offer to produce a CD for them. Networking never does any harm and you can use the finished album as an example of your work. It's great for getting noticed by bigger music production studios.