How To Use Etc Network Interfaces

This file describes the network interfaces available on your system and how to activate them.

How to use etc network interfaces. To add new network connections using network manager you can. To set a static ip address you have to edit etc network interfaces. Etc network interfaces contains network interface configuration information for the ifup 8 and ifdown 8 commands. Edit the etc network interfaces by entering the following command in terminal. Lines starting with are ignored.

Sudo vi etc network interfaces. Add the nmcli connection command with the add option. Setup an isc dhcp server for your network. For the example we are configuring eth0 interface to get ip address from dhcp server and eth1 will have a static ip address. Now edit your network interface configuration file etc network interfaces and configure it.

Sudo systemctl restart networking. Use the nm connection editor utility that provides a gui in order to add modify and delete existing connections. Auto eth1 iface eth1 inet dhcp. The loopback network interface auto lo iface lo inet loopback the primary network interface auto eth0 iface eth0 inet static address 172 21 35 110 netmask 255 255 255 0 network 172 21 35 0 broadcast 172. Setup static ip on interface.

Then add the following lines. Note that end of line comments are not supported comments must be on a line of their own. How to edit interfaces file in etc network interfaces. Save the file and restart networking services using the below command. The man page says what comes after the interface name is the address family that the interface uses.

Alt f2 kdesudo kate etc network interfaces will open. Add your configuration file to the system connections directory located at etc networkmanager. User can t change system files so it is necessary to run your text editor in root aka super user mode. Ubuntu debian linux. This is where you configure how your system is connected to the network.