Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [wpa-supplicant]

wpa_supplicant is a software implementation of IEEE 802.11i supplicant for almost all the major Operating Systems including Windows, Linux, FreeBSD, Solaris etc. It is compliant with WPA2, WPA and older Wireless LAN protocols

82 questions
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Raspbian Buster Lite: couldn't communicate with wpa_supplicant

Just flashed a card with Raspbian Buster Lite on a Raspberry Pi 2, and ssh'd into it using an ethernet cable. raspi-config/wpa_cli can't communicate with wpa_supplicant (there's no /var/run/wpa_supplicant control interface). At the end of the post…
soundblaster
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Choose a specific WiFi AP or Frequency

My router (Google WiFi) have 2 access points with the same ssid: a 2.4GHz and a 5GHz. It seems that multicasting between these networks is unstable, so I want my raspberry (buster) to force a connection to the 2.4GHz network. I've tried to add bssid…
Aray Karjauv
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RPI4B Ubnutu Server 20.10 wifi setup

I recently installed Ubuntu Server 20.10 on my RPI 4B and cannot get wifi to work. I followed the instructions here, here, and here. When I attempt to setup wifi via wpa_supplicant (the last link) with the command: sudo wpa_supplicant -c…
user138669
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Rpi4 with Buster wpa_supplicant fails to connect to hostapd network hosted on Ubuntu laptop

I am attempting to connect a Rpi4 to an AP running on my laptop, but it won't connect. I don't see any obvious problems (to me) in wpa_supplicant or other config files. I have run wpa_supplicant in debug mode, but don't understand most of the…
Joey Dodson
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Android won't connect to RasPi access point

I have managed to turn my Raspberry Pi into an access point following these instructions: Access point as WiFi router/repeater with additional WiFi-dongle However, everything connects to the access point except my android devices (A Samsung Galaxy…
ThePunisher
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How to connect Pi 4 to WiFi AP that requires web page logon

SCENARIO I have my headless RPi 4 running Raspbian Buster Lite setup as a NAT router, using the internal antenna wlan0 to connect to the WAN, and an external USB antenna wlan1 with its own SSID. I am achieving this using dnsmasq and…
Sirach Matthews
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How to connect raspberry pi to separate wifi's

I have a headless pi setup and I want it to connect to two different wifi's at two separate houses. This is how my wpa_supplicant.conf is setup: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 country=US network={ …
Dango
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Timout during ifup with multiple WiFi interfaces on Kali Linux

for my project I need two WiFi interfaces connected to a Raspberry Pi Zero W running Kali Linux (not Raspbian – anyway both are based on Debian). The onboard interface wlan0 shall not connect to any WiFi network (it is dedicated to scan the air in…
mrkskwsnck
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As Access Point (WiFi Repeater): How to set up multiple WiFi/SSID

I had successfully set up my raspberry pi as an access point as WiFi repeater followed this guide: Access point as WiFi router/repeater, optional with a bridge. I would like to set up my raspberry pi to broadcast multiple WiFi/SSIDs like how a…
Felix-Loc Le
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Pi Imager 1.8.5 working differently - WPA supplicant not running?

About a month ago I reinstalled an RPi 4B with Ubuntu server 24.04.1 LTS. Today I did the exact same thing with a Zero 2 W. I used the customizing feature of the Pi Imager with the same settings. I just double checked, both boxes are Ubuntu server…
Las Ten
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WPA2 Enterprise Connection Drops on Raspberry Pi 3B when Set-Up is Transitioned to Headless

After a significant amount of struggle I managed to connect my Raspberry Pi 3B to my university's WPA2 Enterprise network, UCR-SECURE, in the traditional set-up with a monitor, keyboard, and mouse; however, when I attempted to use the Raspberry Pi…
Nat
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WiFi access point fails with brcmf_cfg80211_change_iface: iface validation failed: err=-16

I was trying to set-up an access point at the same time as I have a station (client) connection and I kept hitting a brcmf_cfg80211_change_iface: iface validation failed: err=-16 error seen in syslog and dmesg. I found lots of posts in various…
TvE
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How to invoke the existing persistent p2p Go on restart of device (to create auto connect)

I am able to connect successfully with the android device with the following wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=root update_config=1 device_name=DIRECT-Pi persistent_reconnect=1 network={ ssid="DIRECT-Pi" …
arayan
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Raspberry Pi Zero W not connecting to WiFi

Context: I'm trying to set up pihole as per these two tutorials. I'm using a Raspberry Pi Zero W. I created an SSH file which I added to the sd card. I also created a wpa_supplicant.conf file as per the instructions here, which I then copied to the…
Reveillark
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