To list and manipulate devices, routing, tunnels etc you can use the ip command.ġ: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT qlen 1 If you decide to disable NetworkManager service and use just the network service, you can configure your network by editing some config files and restarting the network service. Advanced configuration options are limited and it does not yet support some device types like ISDN, IPSec to name a few. However you may not want to run NetworkManager service on your server because of various reasons. For example to get a list if all NICs (Ethernet cards): The command line interface can be invoked by the command nmcli. To invoke the text interface just type: # nmtui Using the GUI is pretty straight forward. You can use Network Manager to create, edit and remove interfaces and it can be used to configure Ethernet, WiFi, Mobile, DSL and PPPoE connections. CentOS 7 comes with Network Manager, a service that runs by default and has a graphical, text as well as command line interface.
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