You can start  in the following ways:Applications menuChoose System ToolsNetworking.Command lineExecute the following command: network-adminWhen you start , you will be prompted for the administrator password, this is necessary because the changes done with this tool will affect the whole system.After entering the administrator password, the following window is displayed. main windowShows  main window.The  main window contains four tabbed sections:ConnectionsShows all the configured network interfaces, it also allows you to modify their settings and to add or delete interfacesGeneralShows your system host name and domain, it also shows the way your system identifies itself in Windows networks.DNSContains two sections, the DNS servers are what your computer use for resolving the IP addresses from the domain names. The search domains are the domains in which your system will search any host when any domain is specified.HostsShows the list of aliases for accessing other computers.
