How do I change the network interface name in RHEL 7?

How To Rename Network Interface Card (NIC) In RHEL / CentOS 7&8

  1. verify the NICs on the system.
  2. Bring down the NIC you want to rename and verify that “state UP” has turned to “state DOWN”
  3. rename the NIC to the desired name.
  4. confirm it’s been renamed.
  5. Rename the NIC configuration file in network-scripts directory.

How do I find my IP address on Redhat 7?

Redhat Linux: Find Out My IP Address

  1. ip command: Display or manipulate IP address, routing, devices, policy routing and tunnels. This command can show ip address on a CentOS or RHEL servers.
  2. ifconfig command: It is used to configure the kernel-resident network interfaces as well as display information about it.

What is Ifcfg-eth0?

One of the most common interface files is ifcfg-eth0, which controls the first Ethernet network interface card or NIC in the system. In a system with multiple NICs, there are multiple ifcfg-eth files (where is a unique number corresponding to a specific interface).

How do I edit Ifcfg-eth0?

Set a DHCP Address

  1. Open the configuration file for the first network interface, eth0, into a text editor. vi /etc/sysconfig/network-scripts/ifcfg-eth0.
  2. Modify the file to look similar to the example below.
  3. Save your changes and exit the text editor.
  4. Restart the network service.

How do I change the network interface name Ifcfg eth0 to Ifcfg nic0?

This post describes how to revert to the legacy naming scheme with Network Interface names as eth0, eth1, etc.

  1. Edit kernel boot parameter. Edit file /etc/default/grub and add net.ifnames=0 biosdevname=0 to line GRUB_CMDLINE_LINUX, for instance:
  2. Correct ifcfg file configuration.
  3. Disable NetworkManager.
  4. Reboot system.
  5. Verify.

What is my IP address Linux command line?

Find IP address with ip addr command in Linux All we need is to open the terminal then type ip addr in the prompt. The number next to inet is our IP address. This command will list IP address, MAC address, MTU size and other information about a network interface. We can also type ip addr or ip a for short.

How do I change the network interface name Ifcfg-eth0 to Ifcfg nic0 in Linux?