How can I tell what interface is active in Linux? This topic contains 1 reply, has 1 voice, and was last updated by Dennis 4 months, 3 weeks ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 28, 2018 at 4:42 pm #13337 DennisKeymaster Running Linux in a VM and not sure which of the installed interfaces are active. Does anyone know how to check? December 28, 2018 at 4:44 pm #13338 DennisKeymaster First run ls /sys/class/net ens160 ens192 lo Now you see what interfaces you have. Let’s find out which one has a link light. cat /sys/class/net/ens160/carrier 1 cat /sys/class/net/ens192/carrier 0 So ens160 has a link light and ens192 doesn’t Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.