linux get mac address of nearby devices with wifi

The MAC address can also be found in the BIOS of the computer or device.Ī MAC address can be used to uniquely identify a device on a network. The MAC address is usually printed on the card itself. 00:1B:44:11:3A:B7 is an example of a MAC address. The MAC address consists of six sets of two characters, each separated by a colon. MAC stands for Media Access Control, and each identifier is intended to be unique to a particular device. 3 Easy Ways to Find IP address in Linuxįrom Wikipedia, A MAC address is the unique identifier that is assigned by the manufacturer to a piece of network hardware (like a wireless card or an ethernet card).5 useful Linux network troubleshooting commands.This article is part of the following series. The output will display the MAC address for all the network interfaces.Type ifconfig -a or ip link show or cat /sys/class/net/*/address command.If you’re new to the world of Linux, you can refer to “ Mastering the Linux Command: A Beginner’s Guide.” This in-depth article will be your guiding light, providing you with the foundational knowledge and skills required to navigate and wield the Linux command line interface (CLI) effectively and with assurance. The following commands can get you the MAC address of your network interface in Linux. These commands are safe to run without changing anything. Here are some methods to get the MAC address. You get the idea.How to list MAC address on Linux is a commonly asked question during a Linux job interview. In addition, this assumes your wireless interface is 'wlan0'. It's possible for some results to not have an essid. If (iw_get_range_info(sock, 'wlan0', &range) b.essid) ĭISCLAIMER: This is just a demonstration program. * Get some metadata to use for scanning */ Here is a simple program to get the ESSID for all available wireless networks. While you can use iw_set_ext and iw_get_ext, the libiw implements a basic scanning function iw_scan, from which you can extract most of the information that you need. You pretty much only need iwlib.h and iwlib.c for this question. However, the source code is pretty easy to read through. As far as I can tell, there is no web documentation for the api. All the documentation for the programming interface is in the. But using the C interface is a little more difficult so I'll focus on that.įirst of all, as other people have mentioned, definitely download out the wireless tools source code. The man pages are your friend here (check out iwconfig and iwlist).

It's pretty easy to do a scan in the command line.

Linux get mac address of nearby devices with wifi