Wireless
If you are on an Arch Live USB, you can configure your wireless connection this way:
Get an interactive prompt:
iwctl
Get some help:
iwctl help
List all Wi-Fi devices:
iwctl station list
If the device or its corresponding adapter is turned off, turn it on:
iwctl station device set-property Powered on
iwctl station adapter set-property Powered on
Scan for networks (note that this command will not output anything):
iwctl station device scan
List all available networks:
iwctl station device get-networks
Connect to a network:
iwctl station device connect SSID