8/7/2023 0 Comments Linux get IP address by macI need to get it together, so I know which IP belongs to which MAC. Possible Duplicate: Linux / C++: Get the IP Address of local computer I am trying to get my local computers IP and MAC addresses of all interfaces, but I can not really succeed. ARP is intended for use by system administrators and is not generally useful as a way to track down computers and people on the Internet. 5 This question already has answers here : Closed 11 years ago. ARP works only within the small group of computers on a local area network (LAN), though, not across the Internet. If you enter the command ifconfig in the terminal, all information will be displayed. Now, you’ve got different ways of getting your IP address in Linux. Johan Myren at 15:10 5 What OS ifconfig shows the ether or lladdr on both Mac OS X and OpenBSD. jc at 15:08 2 Or you can use ip link to show the MAC address. The 'HWaddr' field will be your MAC address. You can do this either directly via the app icon or with the key combination Ctrl + Alt and T. 1 Show us the output of ifconfig for you machine. Using "arp," you can in fact determine the MAC address of some computers from their IP address. Just follow these steps: Start by opening the terminal. In Windows, Linux and other operating systems, the command line utility "arp" shows this information. Most computers allow you to see the list of IP and MAC addresses that ARP has collected there. We can also use the following option to find out all network IP addresses of the host. The syntax is as follows to display the network address (es) of the host name using the hostname command: hostname -i. Using ARP, each computer maintains a list of both IP and MAC addresses for each device it has recently communicated with. Using hostname and ip command for finding out the IP address assigned to eth0. The technology called ARP - Address Resolution Protocol included with TCP/IP makes it possible. However, computers connected to the same TCP/IP local network can determine each other's MAC addresses. Simply stated, a computer's own hardware configuration determines its MAC address while the configuration of the network it is connected to determines its IP address. These two addresses originate from different sources. It is usually not possible for a person to get the MAC address of a computer from its IP address alone. The +short option instructs dig to print the output in a short format, while is the hostname that returns your public IP address.
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