NetworkManager

daemon that manages network connections

TLDR

Show connection status

$ nmcli general status

List connections

$ nmcli connection show

Connect to WiFi

$ nmcli device wifi connect "[SSID]" password "[password]"

Show WiFi networks

$ nmcli device wifi list

Bring up connection

$ nmcli connection up [connection_name]

Create static connection

$ nmcli connection add type ethernet con-name [myeth] ifname [eth0] ip4 [192.168.1.10/24] gw4 [192.168.1.1]

NetworkManager is a daemon that manages network connections. It provides automatic network detection and configuration, handling wired, wireless, mobile broadband, and VPN connections.
NetworkManager is controlled via nmcli, nmtui, or GUI applets.

PARAMETERS

--debug

Debug mode.

--log-level level

Logging level.

--log-domains domains

Logging domains.

--pid-file file

PID file location.

CONFIGURATION

$ /etc/NetworkManager/
├── NetworkManager.conf
├── system-connections/
└── conf.d/

CLI TOOL (nmcli)

$ nmcli device                    # List devices
nmcli connection                # List connections
nmcli connection modify ...     # Modify connection
nmcli networking off            # Disable networking

CAVEATS

May conflict with other network tools. Connections stored in /etc/NetworkManager/. Some systems use alternatives.

HISTORY

NetworkManager was developed by Red Hat starting in 2004 to simplify network configuration on Linux desktops.