wpa_supplicant
TLDR
Start with config
$ wpa_supplicant -i [wlan0] -c [/etc/wpa_supplicant.conf]
Run in foreground$ wpa_supplicant -i [wlan0] -c [config.conf] -d
Background daemon$ wpa_supplicant -i [wlan0] -c [config.conf] -B
Use specific driver$ wpa_supplicant -i [wlan0] -c [config.conf] -D [nl80211]
SYNOPSIS
wpa_supplicant [-i interface] [-c config] [-B] [-D driver]
DESCRIPTION
wpa_supplicant handles WiFi authentication. It manages WPA/WPA2.
Wireless security. WPA/WPA2/WPA3.
Enterprise support. 802.1X.
Multiple networks. Network selection.
Low-level tool. Usually via NetworkManager.
PARAMETERS
-i IFACE
Interface name.-c FILE
Config file.-B
Background mode.-D DRIVER
Driver backend.-d
Debug output.-P FILE
PID file.
CAVEATS
Root required. Config file syntax. Usually managed by NM.
HISTORY
wpa_supplicant was created by Jouni Malinen for wireless network authentication on Linux.
SEE ALSO
wpa_cli(1), iwconfig(8), NetworkManager(8)
