How to use a VPN on Linux - and why you should
Briefly

Linux is inherently secure, but adding a VPN enhances security and privacy. Most modern distributions support various VPN protocols, focusing on anonymity and encryption.
While Linux has built-in VPN tech, it often leans toward traditional setups aimed at accessing company resources. Users should seek third-party solutions for comprehensive privacy.
Proton VPN is highlighted for its global servers, user-friendliness, and a free version that doesn't come with unexpected limitations, making it a good choice for Linux users.
To utilize Proton VPN on Ubuntu, users require an Ubuntu-based system and a Proton VPN account. The setup process is straightforward and similar for other services.
Read at ZDNET
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