The Shell gets the Linux server's MAC (generic, does not depend on the NIC name)

Sometimes the server vendors will make their own naming rules, such as some of Dell's server network card name may be the beginning of EM, such as EM1, and sometimes the beginning of the ETH, such as eth0, which let us get the network card command becomes less general, I wrote the following, no matter what the beginning of it can be:

List all Macs:

ifconfig-a | grep ' Ethernet ' | awk ' {print $} '

List only the first Mac:

ifconfig-a | grep ' Ethernet ' | awk ' {print $} ' | Head-1

This article is from the "Xuxueyun" blog, make sure to keep this source http://xuxueyun.blog.51cto.com/7720387/1704251

The Shell gets the Linux server's MAC (generic, does not depend on the NIC name)