Getting started with nettop is easy enough. Using nettop to Monitor Network Traffic & Connections Command line tools aren’t for everyone though, and for users who would like to view similar network information in a more traditional OS X app format, the free Mac app Private Eye is an excellent GUI tool that provides similar information. Nettop has a wide variety of uses, but it can be particularly helpful when trying to determine what is using the Macs internet connection and networking interfaces, what is communicating with what and how much data is being transferred, and it’s also just a great utility for network troubleshooting. It’s a bit like the standard ‘top’ and ‘htop’ commands which show process and resource information, but rather than showing CPU and RAM usage, it will show live network transfer information like packets sent and received, packet size, and total data transferred. If you’re unfamiliar with networking tools like this, you can think of nettop as a network centric task manager, displaying active networking connections, sockets and routes, their respective names and process id, the state of the connection and whether the connection is established, waiting, or listening, and information about individual process data transfer.
#Geektool mojave mac os x#
Mac OS X includes an excellent command line network utility called “nettop” that allows users to monitor all network activity, traffic, and routes from a Mac to the outside world, both through local (LAN) and wide area (WAN) connections.
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