Atop vs OpenVPN

Atop

System & Hardware

Atop is an open-source monitoring tool for monitoring and managing various server resources like CPU, memory, disk, network and processes. It can monitor in real-time and also log data for long-term analysis.

OpenVPN

Security & Privacy

OpenVPN is an open-source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange. It is capable of traversing network address translation (NAT) and firewalls.