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Network Manager Examples


NetworkManager's functionality can be useful for both wireless and wired networks. For a wired network is a simple as plug and play


List wireless networks


run nmcli to list all nearby wireless networks


nmcli device wifi list

Connecting to a wireless network


Connect to wireless network


nmcli device wifi connect <SSID> password <PASSWORD>

If the network is hidden


nmcli device wifi connect <SSID> password <PASSWORD> hidden yes

List Connected networks


To list all networks


nmcli connection show

Disconnect Network


nmcli device disconnect <INTERFACE>

Activate Connection


nmcli connection up <NAME-OR-UUID>

Devise status


Check the status of the network adapter


nmcli device

Disable WiFi


nmcli radio wifi off

Turn on WiFi


nmcli radio wifi on

Edit a Connection


The connection options are stored in /etc/NetworkManager/system-connections directory in their respective <connection_ID>.nmconnection files


sudo ls /etc/NetworkManager/system-connection

Edit the respective file for changing the settings


sudo vim /etc/NetworkManager/system-connections/<connection_ID>.nmconnection

After editing, make sure that the new settings take into effect by reloading nmcli


sudo nmcli connection reload

Something easier


Launch the command line UI for an easy setup of a network


nmtui

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