Restrictive firewall (or unsharing to an empty network namespace) helps with non-malicious apps - no network access except for apps that may need it.
Anyway, tracking on Linux by normal userspace apps is just creepy. There's just too much access if you run these kinds of apps under your main user or let alone root, unlike browser based tracking that happens inside a limited sandbox.
Anyway, tracking on Linux by normal userspace apps is just creepy. There's just too much access if you run these kinds of apps under your main user or let alone root, unlike browser based tracking that happens inside a limited sandbox.