command to find mac address on ubuntu 18.04

$ sudo grub-mkconfig -o /boot/grub/grub.cfg Generate a new grub file using the following command. To: GRUB_CMDLINE_LINUX=' net.ifnames=0 biosdevname=0'

Look for “ GRUB_CMDLINE_LINUX” and add the following” net.ifnames=0 biosdevname=0“. Inet6 fe80::20c:29ff:fe05:a3e2/64 scope linkįrom the dmesg command, you can see that the device got renamed during the system boot. $ ip aġ: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 This is just the case of VMware environment, it may vary depends on the hardware but the steps to get back ethX will be the same. If you ever interested in changing interface names to old type ethX, here is the tutorial for you.Īs you can see in the following command, my system is having a network adapter called ens33. READ: Install Ubuntu 16.04 LTS (Xenial Xerus) – Step by Step Guide with Screenshots READ: Install Ubuntu 18.04 LTS (Bionic Beaver) on UEFI and Legacy BIOS System Just after the Ubuntu installation, I came to know that the network interface name got changed to ens33 from old school eth0.

Command to find mac address on ubuntu 18.04