Talk to Other Students
On a taught MA there would be other students to talk to, and online courses often have associated forums. You could join a local writing group or, if looking for something more specific to your interests, there are plenty of free online writing groups and forums based round specific genres. There are also organisations you could join and use to meet and network with like-minded writers, such as SCWBI for children's writer, although many of these aren't free and some have requirements like qualifying sales.
Set Yourself Homework
Although you'll probably have a main project, you might decide to start it after some initial reading or want some shorter exercises for a change of pace. There are many books out there that offer creative writing exercises, without having to get bogged down. Some I've seen recommended are Steering the Craft by Ursula LeGuin, Now Write! edited by Sherry Ellis, and The Creative Writing Coursebook edited by Julia Bell and Paul Magrs (full disclosure - I haven't tried these, although I do own all three).
Be Flexible
Life happens. You might find yourself faced with illness or moving house, and that can throw the best made plans into chaos. The beauty of setting your own timescales is you can park the study if needs be - without losing thousands of pounds in tuition fees! There's nothing to stop you shifting the emphasis onto reading for a month, or making notes for your project, or extending your timeline for an extra six weeks. There's nothing to stop you deciding you've made a wrong turn, and you don't want to write a short story collection retelling Bible stories from the point of view of rabbits after all. The important thing is to keep moving forward with your goals, however you can.