How Do I Start an Interface in Linux?

Use the following commands as per your Linux distribution to restart the networking service. You must run the command as root user either using sudo or su commands. The ifup command bring a network interface up. The ifdown command take a network interface down.

How do I start a network interface in Linux?

Ubuntu / Debian

1. Use the following command to restart the server networking service. # sudo /etc/init.d/networking restart or # sudo /etc/init.d/networking stop # sudo /etc/init.d/networking start else # sudo systemctl restart networking.
2. Once this done, use the following command to check the server network status.

How do I enable enp0s3?

IPv4 DHCP

1. Open the network interface configuration file into a text editor, such as VI.
2. Add the following lines. auto enp0s3 iface enp0s3 inet dhcp.
3. Save your changes and exit the text editor.
4. Bring the interface down. ifdown enp0s3.
5. Bring the interface back up. ifup enp0s3.
6. Verify your network settings have been applied.