At the moment I’m writing this, the official Ubuntu guide to installing PS3 Media Server suggests doing the following:
1 2 3
Unfortunately, the second step of this process fails, because the happy-neko/ps3mediaserver repository does not have the packages for trusty yet. Luckily, we can still use the packages for raring:
1 2 3 4
Et voilà! PS3 Media Server is installed.