nmcli | Cheatsheet¶

nmcli is a command-line tool for controlling NetworkManager and reporting network status. It can be utilized as a replacement for nm-applet or other graphical clients. nmcli is used to create, display, edit, delete, activate, and deactivate network connections, as well as control and display network device status.

Ask networkmanager about online status¶

nm-online

Get General status¶

nmcli general

Listing NetworkManager polkit permissions¶

nmcli general permissions

Print info line by line¶

nmcli dev show

List all the available device¶

nmcli dev status

Show info about connections¶

nmcli connection show

Import wireguard config to nmcli¶

nmcli connection import type wireguard file "/path/to/wg0.conf"

Show devices¶

nmcli devices

Show the Network Manager status of all network interfaces¶

nmcli dev status

List all connection¶

nmcli con show

List the current settings for the connection name¶

nmcli con show name

Check if NetworkManager is running¶

nmcli -t -f RUNNING general

List all the configuration of interface¶

nmcli con show eth2

Change hostname using nmcli¶

nmcli general hostname

Delete setup¶

nmcli con del "eth1"

Delete Setup¶

nmcli con del "Wired connection 1"

Reload connection using nmcli (restart)¶

nmcli con reload

Set Wifi down¶

nmcli connection down id Wifi

Set Wifi up¶

nmcli connection up id Wifi

Set Modem down¶

nmcli connection down id MODEM

Set Modem up¶

nmcli connection up id MODEM

Set Ethernet down¶

nmcli connection down id Wired

Set Ethernet up¶

nmcli connection up id Wired

Listing available Wi-Fi APs¶

nmcli device wifi list

Connect to a password-protected wifi network¶

SSID="ssid"
PASSWORD="WPA3-PASS"
nmcli device wifi connect "$SSID" password "$PASSWORD"

Connect to a password-protected wifi network and get asked for password¶

SSID="ssid"
nmcli --ask device wifi connect "$SSID"

Showing general information and properties for a Wi-Fi interface¶

nmcli -p -f general,wifi-properties device show wlan0

Add wifi-hotspot helpo¶

nmcli dev wifi hotspot

Create wifi-hotspot¶

nmcli dev \
    wifi hotspot \
    ifname wlp2s0 \
    con-name  wuseman \
    ssid SSID-wuseman \
    password "SSID-wuseman-password"

Show wifi password¶

nmcli dev wifi show-password

Set vpn connection up¶

nmcli --ask con up my-vpn-con

Set DNS¶

nmcli con mod <connectionName> ipv4.dns "8.8.8.8 8.8.4.4"

Ignore autodns¶

nmcli con mod <connectionName> ipv4.ignore-auto-dns yes

Show active connections¶

nmcli -g name,type connection  show  --active \
    |awk -F: '/ethernet|wireless/ { print $1 }'