< Tools | NetworkManager
Description
nmcli is a tool that allows NetworkManager management from command line. This tool is useful in those cases in which a graphical frontend is not available.
Connect/disconnect to an already configured connection
List already configured connections
nmcli con list
Connect to a configured connection by name or uuid
nmcli con up id <connection name>
nmcli con up uuid <uuid>
Disconnection by name or uuid
nmcli con down id <connection name>
nmcli con down uuid <uuid>
Network interfaces
List available devices and their status
nmcli dev status
Disconnect an interface
nmcli dev disconnect iface <interface>
Wifi
Get Wifi status
nmcli nm wifi
Turn wifi on or off
nmcli nm wifi <on|off>
List available access points(AP) to connect to
nmcli dev wifi list
Create a new connection to an open AP
nmcli dev wifi connect <SSID|BSSID>
Modify an already configured connection
Open with a text editor the configuration file of the connection. The file is located in "/etc/sysconfig/network-scripts/" under the name of "ifcfg-<connection name>"
Connect automatically to that connection
Edit to or add the line "ONBOOT=yes"
Make the connection available only to one user
Edit or add the line "USERS=<username>"
Spoof MAC address
Edit or add the line "MACADDR=<spoofed MAC>". Don't change the line "HWADDR=<real MAC>" to spoof your MAC address.
Finally save the file and to apply changes to an already active connection execute
nmcli con up id <connection name>
Edit a connection password
To modify a connection password open with a text editor and edit the file "keys-<connection id>" located in "/etc/sysconfig/network-scripts/". The password is stored in plain text
Delete a connection
nmcli con delete id <connection name>
Notes
nmcli maybe contain some bugs and lack some features graphical tools for NetworkManager have.
To see available options for nmcli deeper
man nmcli