There's a simple, free, realtime method (doesn't require me to "retrieve" anything, updates all computers instantly). In Linux you can just use some cloud syncing service (Dropbox in this example) and do the following:

  $ cd ~/.config
  $ mv sublime-text-3 ~/Dropbox
  $ ln -s ~/Dropbox/sublime-text-3

Then on any other computers you want synced just symlink the same directory. Voila!