Linux has good security built in. But it does not hide your traffic. Your internet provider, the router in the café, and the websites you visit can still see where you go online. To fix that, you need a few things: an updated system, a firewall, encrypted DNS, and a VPN you trust. For Ubuntu and similar distributions, every step is covered. It uses VPNOverview’s testing to help you decide whether a free VPN for Ubuntu is enough or a paid plan is worth it. What Linux Protects and What It Does Not Linux is safer, has freely available source