dumpcap

A network traffic dump tool. More information: https://www.wireshark.org/docs/man-pages/dumpcap.html.

dumpcap --list-interfaces

dumpcap --interface 1

dumpcap --interface 1 -w path/to/output_file.pcapng

dumpcap --interface 1 -w path/to/output_file.pcapng --ring-buffer filesize:500000 --ring-buffer files:10