It will probably include eth0 (hardwired NIC), lo (loopback interface for the localhost), and something for your wireless card (like wifi0, or wlan0).Ĭonfiguring your network via the CLI will likely interfere with Network Manager or wicd. This will list the interface names for all NICs on your computer. The interface name of cards for different vendors may be different, which is why this step is needed. When setting up your network you will need to know the network interface cards on your computer. You can add hostname and IP addresses to the file /etc/hosts for static lookups.

When your system boots it will automatically read the hostname from the file /etc/hostname. To circumvent this you need to add the new name to the hosts file prior to setting the hostname and remove it once that action has succeeded.

This is because sudo requires DNS lookups in certain cases and it cannot resolve your newly set hostname. This is needed because otherwise you will need to boot into single user mode and change your hostname in /etc/hosts. If you do this however, make sure you change the /etc/hosts file first. To set the hostname directly you can run hostname newname as root. You can see your current hostname by running hostname. The hostname command allows you to directly query, or set, the hostname from the command line. Read this guide in full before actually configuring your network. Just easier to recover when you have a backup. We need to install packages and those are fetched from the online repositories.īackup any files we touch. Have a working internet connection during the installation. This guide will use vi, but you can replace it with any other editor of your liking, gedit, nano, gvim, pico, emacs.

This guide had been developed for Ubuntu and Debian, other distributions can use a similar setup, but be aware that file locations may differ.Īn editor. This has several advantages over network managers in the GUI. You can configure your network client hosts with the command line by using commands to change your current settings or by editing a number of system files. You can configure a network interface from the command line. Map your physical interfaces to logical interfaces.Configure laptops for multiple locations.Setting up a second IP address or Virtual IP address.

Vi editor in ubuntu vs mac