Questions tagged [wifi]

Questions on the use of Wi-Fi (local area wireless computer networking technology). This tag is also used for generic "wlan" questions since they are commonly synonymous. Note shopping questions are off-topic.

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1answer
2k views

WIFI USB adapter not detected RPi 3b after reboot

I'm using builtin WIFI adapter 802.11n Wireless LAN. ifup wlan0 shows: wpa_supplicant: /sbin/wpa_supplicant daemon failed to start run-parts: /etc/network/if-pre-up.d/wpasupplicant exited with ...
15
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7answers
30k views

How to enable Wi-Fi channel 12 on Raspberry Pi 3?

I need my RPi 3 to connect to a Wi-Fi network using channel 12, but I'm not able to get the built-in Wi-Fi adapter to use this channel. This is what I've done: $ sudo apt-get install wireless-regdb ...
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1answer
40 views

Automate Configuration of Pi Access Point

Are there any opensource scripts/repos that automate configuring a Raspberry Pi into a Wireless Access Point?
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1answer
4k views

RPi 3 B+ set Wi-Fi country on localisation tab

Im trying to setup my pi to connect to my wifi network (currently tethering pi over ethernet to my windows box), but I seem to be unable to do this. I have set my wifi country as suggested but to no ...
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1answer
877 views

How to set up Wifi with EAP TTLS PAP + Proxy on Raspbian Jessie?

Sorry but I'm loosing my mind with the Wifi on Rapsbian Jessie. Here is the thing : At work we have a secure Wifi connection. We had instructions to get connect via ANDROID terminals, as following : ...
2
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3answers
5k views

Pi Won't Connect to Ethernet or WiFi

EDIT: This is a brand-new Pi 3 board running raspbian I just got my Pi, and for whatever reason I can't access the Internet. Ethernet will try and configure forever, and when I try to connect to ...
0
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1answer
439 views

How to setup wifi on raspberry pi with username and password on Android Things using adb shell

I have a raspberry pi running an older version of Android things that is capable of connecting to my wifi. I copied and inserted the wpa_supplicant file from that pi to another pi with an updated ...
5
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3answers
2k views

Suddenly unable to connect to 5GHz wifi network (PiZero)

OS is Raspbian Jessie with latest updates. Everything is stock packages, no special configuration either. It just runs eJabberd at the moment. As of a few days ago, I have stopped being able to ...
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2answers
51 views

raspberry pi 3 - connecting multiple pi's via ethernet problem

I'm trying to connect three raspberry pi 3 B+ together via ethernet. All three are connected via wlan0 to my wifi network for internet. All are connected via ethernet cables to the same desktop switch,...
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4answers
2k views

TL-WN725N v2 WiFi adapter not working on Raspberry Pi Arch Linux

I have a TL-WN725N v2 WiFi adapter and I can't get it working on Raspberry Pi running Arch Linux. Linux kernel version is 3.18.5-1-ARCH #1. Some time ago, to make this adapter working, it was ...
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1answer
22 views

Cannot ssh into Raspberry Pi Zero W over wifi after enabling ssh

I'm trying to set up my Zero W to use as a headless server, so I've taken the following steps: Flashed Raspbian Buster Lite onto the SD card Put a file named wpa_supplicant.conf in the boot/ ...
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1answer
341 views

Pi 3b+, integrated wifi loses connection on 5ghz network with carrier lost

I hope your all doing well. Before some weeks i did buy my first raspi, and I'm quite happy with it. As my starter Project, i wanted to create an Accespoint out of it, and after some days reading ...
2
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1answer
394 views

Jessie Lite Pi 3 inbuilt Wi-Fi won't work

I downloaded the latest version of Jessie Lite (2017-04-10) and followed the setup guide. Wi-fi won't work. Here is my problem as near as I can figure it out. Wi-Fi details in Jessie are entered into ...
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1answer
7k views

Raspberry Pi 3 No wireless interfaces found

I have Raspberry Pi 3 and I tried to config for auto connect to wifi like this example http://weworkweplay.com/play/automatically-connect-a-raspberry-pi-to-a-wifi-network/ but when I finish, I got "...
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0answers
22 views

Rasp Wifi Access point no connection to internet

My raspberry connected via Ethernet to the modem and I am trying to set my raspberry 2 as wifi access point.With this tutorial I have two raspberries and both have the same problem, after everything ...
2
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1answer
65 views

Raspbian Buster - Keep network interface down on boot

I am configuring my raspberry pi zero w for a project in which I am using a micro-USB Ethernet (eth0) and WiFi (wlan0) as network interfaces. I am using wpa_supplicant to configure wlan0 to connect to ...
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1answer
20 views

Wireless interface removed when DHCP lease expires

I have configured the wireless interface on my Raspberry Pi 3 as follows: allow-hotplug wlan0 iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf wireless-power off iface default ...
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1answer
21 views

wps_supplicant@.service not present in Jessie

I've been following along with the WiFi repeater setup and I've hit a snag. I am running Jessie rather than Stretch. I don't have wps_supplicant@.service in /lib/systemd/system/, just wps_supplicant....
1
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1answer
6k views

How to run HostAPD?

I´ve set up hostapd files but when I want to run it by executing this command: sudo /usr/sbin/hostapd /etc/hostapd/hostapd.conf I get the error as follows: sudo /usr/sbin/hostapd /etc/hostapd/hostapd....
2
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1answer
540 views

Problems blacklisting a bad access point

Trying to connect a Pi 2 running Raspian Jessie to a really borked wifi network. There's one persistently bad access point that unfortunately is closest. So I'm trying to tell it to ignore that one ...
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1answer
21 views

Pi stopped connecting to wifi in fedberry?

I'm using a rpi3 b+ and fedberry 27. I had connected to wifi previously, now it suddenly stopped working. In edit connections I shows that I have my wifi network as a saved connection and my password ...
9
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1answer
10k views

Howto migrate from networking to systemd-networkd with dynamic failover

Systemd's systemd-networkd can be used to replace the existing networking system on Raspbian. How does it work with Raspbian on a Raspberry Pi with two interfaces for ethernet and wlan? Can I also ...
1
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1answer
54 views

Raspberry Pi ethernet network bridge with seperate wireless connectivity

As explained here, I built an Ethernet bridge using a Raspberry Pi 3b+. As an extension, I am now trying to connect it to the internet via the Wifi interface. For that I configured the wireless ...
0
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1answer
24 views

Wifi repeater with bridge: connected but no internet on mobile phone but works fine on MacBook

I live in a dorm where I don't have the physical access to the router. I want to set up a Pi as a Wi-Fi router with a bridge so that I could connect Philips Hue Bridge via Ethernet and then control ...
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1answer
436 views

Can't see ARP broadcasts

I'm trying to make my Pi listen for ARP broadcasts on my wireless network, to detect an Amazon Dash Button button press. When I push the button, it broadcasts an ARP request to find the network ...
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1answer
22 views

Wifi disabled after reconfiguring HDMI

I am using a Raspberry Pi 3 A+ with Raspbian Stretch (updated/upgraded about a month ago), connected to a Manga Screen 2: http://wiki.thing-printer.com/index.php?title=Manga_Screen_2 I have used this ...
4
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1answer
3k views

RPi3 built-in wifi quality v.s. usb wifi dongle

I have an outdoor application including an RPi3 which requires connecting to an xfinity wifi hotspot but the signal is weak. Therefore I tried adding a USB wifi dongle with antenna to improve ...
1
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1answer
17 views

How to set up “sign in to network” page

I' would like to set up a Sign in to wifi page (like many businesses have it in ther public wifi) for the wifi my Raspberry Pi hosts. How do I set this up? Is there a specific port I have to use? ...
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1answer
575 views

Buildroot Raspberry Pi 3 - No wireless interface

I am attempting to get a working buildroot image working on my Raspberry Pi 3 but have run into an issue, I cannot set up a wifi connection. Running ifconfig -a only shows the eth0 and loopback ...
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0answers
11 views

Sending data from raspberry pi to mobile app

I am new to raspberry pi and still in the learning phase. I have a small project which requires the communication between pi and android app. I need to accomplish the following task - establish a ...
3
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1answer
1k views

Access point as WiFi router/repeater with additional WiFi-dongle

There are some tutorials to make an access point a WiFi repeater using only the on-board WiFi chip of a Raspberry Pi. But I want to use an additional USB/WiFi dongle as second interface for the up-...
0
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1answer
3k views

RTL8188EU in Raspbian Stretch

In the latest Raspbian I found the firmware-realtek package is already installed. It should provide the drivers for RTL8188EU/EE WiFi dongles. When I insert such a dongle dmesg shows: [ 152.651026] ...
7
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2answers
12k views

Access point as WiFi router/repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
1
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2answers
1k views

how to setup pi to switch between two wifi connection if one is not working?

I have two wifi enabled ADSL modems connected to internet from two different ISPs. At times one of the line may go bad and I just connect to other wifi connection manually to continue the work. Is ...
0
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1answer
908 views

How to identify the MAC address of built-in wifi in python

I'm experiencing some difficulties when I attempt to identify the MAC address of the built-in wifi in my raspberry pi 3 model B. My application requires the built-in wifi to always be identified as ...
4
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1answer
782 views

Wi-Fi dongle with RTL8188RU chipset scanning but not connecting

I obtained a ALFA AWUS036NHR with a Realtek RTL8188RU chipset Wi-Fi dongle and I am trying to get it to work on a Raspberry Pi. The device is detected correctly: root@rpi1:~# lsusb | grep WLAN Bus ...
1
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1answer
4k views

New Pi Zero W brcmfmac failures and can't start wlan0 WiFi

I have to set this up headless because I didn't realize the Zero W had mini HDMI and not micro. So I flashed both the 2017-04-10 Raspbian light and full from Linux (with dd) and then mounted the FAT ...
1
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1answer
7k views

Bridge Ethernet and wifi on Raspberry Pi 3 to reach ethernet device

I have a raspberry Pi 3 that is connected to a measurement device through the Ethernet port and that provides a WiFi network using dnsmasq. As things are now, I can send command to the device from my ...
1
vote
1answer
525 views

Difference between iface wlan0 inet manual and iface wlan0 inet dhcp in wifi to ethernet router?

I have developed a wifi to ethernet router. Wifi is connected to my home router having internet and ethernet is connected to my laptop( just for testing).My laptop is not getting internet, but it gets ...
3
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6answers
1k views

Is it possible to limit the bit rate on the BCM43438 chip via the BRCMFMAC driver?

I'm using a Raspberry Pi 3 as the platform for a project whose requirements include acting as a WiFi access point as well as connecting to a wide variety of WiFi routers. Unfortunately, the WiFi ...
1
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1answer
96 views

WiFi AP works, until I change the SSID. How come?

I've followed the excellent instructions at Setting up a Raspberry Pi as an access point - the easy way and have succeeded in setting up my Raspi 3b as a router (Ethernet on the uplink on subnet 192....
1
vote
1answer
655 views

Wireless hotspot not working: no wireless interfaces found

Im trying to create A wireless hotspot with my Raspberry Pi 2 Model B+ using a RT5370 Ralink Wifi adapter. Im following this tutorial: https://learn.adafruit.com/setting-up-a-raspberry-pi-as-a-wifi-...
2
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2answers
315 views

Raspberry Pi as OpenVPN Access Point

I am trying to setup Raspberry Pi as VPN-WiFi access point connecting to AWS VPC. I followed Raspberry Pi as an access point Here are the all steps I performed in sequence Installed fresh full ...
3
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1answer
3k views

Failed to connect to non-global ctrl_ifname: wlan0 error: No such file or directory

I was following this Raspberry Pi documentation (https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md) about connecting to wireless connection. My SSID and password are ...
43
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7answers
347k views

Solving “RTNETLINK answers: File exists” when running ifup

I had this problem when I got my new Wi-Fi dongle and have seen a few people with the same issue. Basically when I have one interface configured and want to swap to the other one, it throws up this ...
24
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6answers
15k views

Which model Raspberry Pi I am running?

Is there a way of determining whether the current Raspberry Pi is either a 2 Model B and 3 with Raspbian Jessie Lite 8.0? This is because I have a particular bootstrap.sh written in Bash where it ...
0
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1answer
1k views

Pi zero w not connecting to wifi

My new pi0w isn't connecting to my home wifi in a headless environment. Here's my set up: $ ifconfig wlan0 wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether b8:27:eb:70:cb:b1 ...
1
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0answers
16 views

Raspberry pi DSRC

i want to implement DSRC on the raspberry board as i know DSRC( dedicated short range communication) uses frequency range 5.84-5.96 GHz. But i am thinking if i can do it by enabling dual mode by 5GHz ...
0
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2answers
30 views

Second wifi (dongle) only as local network

I'm running Raspberry Pi (3B+) 9 (stretch) Wlan0 connected to WAN with network info stored in wpa_supplicant.conf. I recently purchased an Wifi dongle in order to create a wireless access point from ...
3
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7answers
12k views

Raspbian wpa_supplicant problem

My old wpa_supplicant and interfaces config not work! /etc/wpa_supplicant/wpa_supplicant.conf ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network={ ssid="MySSID" ...