Step 1: Download iOS or Android IMDB app. Step 2: Create account by clicking the profile icon in the top right of the app. Step 3: Tap on 'Lists' and create a new List Step…

Okay, I have discovered the answer so may as well put it here for completeness. At the end of /etc/sudoers there is what I thought was just a comment: #includedir /etc/sudoers.d However…