Install NetworkManager
sudo pacman -S networkmanager
Enable NetworkManager
systemctl enable NetworkManager.service
systemctl start NetworkManager.service
List local networks
nmcli device wifi list
Connect to a network
nmcli device wifi connect <SSID> password <password>
Show existing connections
nmcli connection show
Activate an existing connection
nmcli connection up <SSID>
Delete a connection
nmcli connection delete <SSID>
See a list of network devices and their state
nmcli device
Turn Wi-Fi off
nmcli radio wifi off