nmcli-device

TLDR

Show status of all network interfaces

$ nmcli device

List available Wi-Fi networks

$ nmcli device wifi

Connect to a Wi-Fi network

$ nmcli device wifi connect ssid --ask

Show password and QR code for current Wi-Fi

$ nmcli device wifi show-password

Show detailed information about a device

$ nmcli device show wlan0

SYNOPSIS

nmcli device {status|show|set|connect|reapply|modify|disconnect|delete|monitor|wifi|lldp} [ARGUMENTS]

DESCRIPTION

nmcli device manages network interfaces using NetworkManager. It can show device status, connect to networks, manage Wi-Fi connections, and control interface state.

PARAMETERS

-a, --ask

Prompt for password when connecting

--rescan auto|no|yes

Control Wi-Fi scanning before listing

ifname

Network interface name (eth0, wlan0, etc.)

COMMANDS

status

Print status of all network devices

show [ifname]

Display detailed information about a device

set ifname [property value]

Set device properties (autoconnect, managed)

connect ifname

Connect a device

reapply ifname

Reapply connection settings to a device

disconnect ifname

Disconnect a device

delete ifname

Delete a software device

monitor [ifname]

Monitor device activity

wifi list

List available Wi-Fi access points

wifi connect ssid

Connect to a Wi-Fi network

wifi rescan

Request a Wi-Fi scan

wifi show-password

Show password for current Wi-Fi connection

lldp [list]

Show LLDP neighbors

CAVEATS

Wi-Fi operations require the NetworkManager daemon to be running and the device to be managed. Use --ask with wifi connect to interactively enter the password.

HISTORY

Part of the nmcli command-line interface for NetworkManager. Provides device-level network management.