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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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Connecting Raspberry Pi Zero W to wifi

I've just set up a Raspberry Pi Zero W - my first Raspberry Pi. I've loaded Raspbian into it without trouble, but I can't connect it to WiFi. It can find my home network easily, and lets me key in ...
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0answers
16 views

Power management in Windows IOT

Because my project is in the field and not in a lab, power consumption is a significant issue. According to specification an idle Raspberry Pi 3B+ bare board has a current draw of 330mA. Long term ...
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0answers
13 views

Pi with PulseAudio over wifi - can't connect

I was trying to set up my RPi 1 as audio device for my laptop and found this answer. On the RPi all the steps worked fine, except that /etc/default/pulseaudio is empty. But in the linked answer the ...
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0answers
12 views

Raspberry pi Proxy ARP wifi bridge + extra ethernet adapter

Going through this thread: proxy ARP WiFi bridge Raspberry Ingo´s solution is working fine for me but I´m looking for an extra... With this WiFi bridge I want to use an add USB-Ethernet adapter (...
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7 views

Linkit smart 7688 MPU Live video streaming 10+ seconds leg how to minimize it

i am live streaming my cam connected with linkit smart 7688 mpu and streaming live video on button press but have leg of almost 10+ seconds any one plz guide me how to optimize it as best level. even ...
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24 views

This site can't be reached

My Raspberry Pi is successfully connected to internet but my chromium browser is showing the error "This site can't be reached".
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0answers
11 views

RPi 3 can't find Windows PC hotspot

I am studying abroad for a month and need to be able to ssh into my pi. The hotel's WiFi won't allow my PC to ssh over their network, so I am trying to turn my laptop into a hotspot and connect the pi ...
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1answer
19 views

Devices connected to raspi router are not lan visible

I have recently setup a RPi0W as a means to connect my Echo Dot to my University's WPA-Enterprise network (MSCHAPv2). I was successful in doing so following this Wifi Repeater Guide and modifying the ...
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1answer
36 views

WLAN connected but no internet

I already tried dist-update and this post I have a Raspberry Pi 3 B + and my operating system is "Raspbian GNU/Linux 9 (stretch)" I am connected to it using a Lan cable and use ssh or Remmina to ...
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3answers
43 views

How do I set up a OpenVPN tunnel for Raspberry Pi on LAN without internet connectivity?

My setup is described in the image above. I have a raspberry pi connected to a router via Wi-Fi and the router is connected to a host via a Ethernet cable. The router doesn't have a internet ...
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0answers
18 views

Determine if wifi has been fried

I have been using a Raspberry Pi Zero W for the last few weeks, and have it set up to connect to a hotspot automatically. Yesterday, I was using the GPIO pins to drive an L293D motor controller -- ...
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1answer
45 views

Failed to start raise network interfaces & wifi devices say 'device not ready' in the network manager

I'm trying to get the wifi working on my raspberry pi but the devices say 'device not ready' and when the pi boots it says failed to start raise network interfaces. Any help would be appreciated. ...
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18 views

Help with connect / disconnect script

Very noob to Pi programming but am tech savvy. Can somebody help with the 2 questions below: 1) How to I go about setting a script to run boot 2) Can you also help with a script to do the following: ...
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1answer
18 views

wlan and eth disabled at the same time

I'm using 3B+ and there is something wierd. My pi connects to my router via wifi and cable at the same time without a problem. I can both ssh to the wlan ip and the eth ip address. However, when I ...
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1answer
27 views

Turn Raspberry pi stand alone network on and off

I have seen the tutorials for creating a stand alone network on raspberry pi like the one on The Raspberry Pi site and the nice tutorial in this previously asked question but what is not clear to me ...
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0answers
31 views

Connecting wifi to Raspberry Pi 3B+

i have used wifi before and it worked but now only Ethernet works. ive tried the config file and switching wifi dongles but nothing. ive use sudo ifup wlan0 and get wlan0 not detected , but ifconfig ...
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2answers
51 views

Simultaneous dual networks (LAN + Wifi) setup

I am in the middle of setting up my home automation system with my Raspberry Pi (3B+), and I have a question regarding networking. My Raspberry is running the Rasbian Lite derivative called ...
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1answer
26 views

connect a headless raspberry pi zero to a WPA2 Mixed WiFi network

I'm trying to connect my rpi zero in a headless mode into a WIFI network configured in a WPA mixed mode. More specifically I can get the following info from the router. Security-Mode: WPA2-Mixed ...
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0answers
21 views

Raspberry pi randomly disconnects my wlan0 but keeps working through eth0 and even wlan1

I have a raspberry pi 3 which will randomly disconnect from my wifi network. If I do ifconfig I can see that wlan0 has no IP address anymore. However, eth0 still has and my wifi dongle in wlan1 also ...
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1answer
30 views

Installed Raspberry Pi Desktop on old windows laptop. Wifi and ethernet not working

Very new to this. I had an old laptop laying around and wiped out windows and installed Raspberry Pi Desktop. My Cd/dvd works. Usb ports work. But ethernet and wifi are both down. Does anyone know ...
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0answers
21 views

Install WiFi Driver for Zero W without WiFi-Connectoin

I have this customized Raspbian Image, which I need to operate a DIY Hardware solution. The Image is configured for a Raspberry Pi 2 B+. I now want to use the Image for a Raspberry Pi Zero W. With ...
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68 views

Raspberry Pi 3 Model B+ — Wifi Country not set every boot?

I have a Raspberry Pi 3 Model B+. On the initial installation, I was able to select a WiFi network and connect to that in order to download and setup everything I need. After that, I had to switch ...
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0answers
103 views

connmanctl having problem with complex passphrase

The built in WiFi module seems to work fine, as it can connect to both of my open networks I created for testing, i.e. the 2.4GHz, and the 5.0GHz ones. If I set a simple passphrase (i.e. contains ...
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1answer
82 views

Raspberry Pi 3b+ as a wireless access point: nl80211 driver initialization failed

I'm trying to set up a Raspberry Pi 3b+ (running Raspbian Stretch) as a wireless access point (using the built-in wireless interface) following the official documentation. After setting up /etc/...
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0answers
54 views

Raspberry Pi Zero W Headless Wifi Not Working

I've been struggling with a Raspberry Pi wifi issue for about 3 hours. I cannot get my Rpi0W to connect to the network in headless mode. Here are my steps: - Downloaded Raspbian and flashed the ...
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0answers
23 views

Connecting multiple wifi network

I am really new to the pi world, I have a quick question. I am planning to build a small wifi surveillance system with Pi. So basically 4 wifi camera's streaming data. I am planning to use this camera ...
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2answers
146 views

How can I replace Raspian SSH host keys if I can't login to pi? (“connection refused”)

After configuring a new Raspberry Pi Zero W, I have not been able to ssh into it over WiFi. The IP address is assigned and pingable, but I get 'connection refused' errors. After some research, I ...
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1answer
23 views

Functioning Script for Access Point Which Fails When Run as a Service

In order to reach my Raspberry Pi 3 B +, I need it to broadcast an access point upon booting. I am aware that there are common issues with crontab @reboot and systemctl running when networking is ...
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0answers
28 views

Changing from hostapd to wpa_supplicant

I use my Pi model B1 as a wifi repeater (with two wireless dongles). I'm using hostapd and dnsmasq. My settings are: /etc/dhcpcd.conf interface wlan0 static ip_address=192.168.42.1/24 nohook ...
2
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1answer
34 views

Raspberry Pi: Unable to access or ping after reconnecting any device to the local network

I have a raspberry pi that is connected to the network with DHCP. When I start it, I can ping it and connect to ssh through wifi. The issue is when I diconnect the device that I am using (my pc/...
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1answer
48 views

Sending and Receiving data with RPi wifi Access Point

So, I have a project where I need to send and receive data from multiple devices (phones and a laptop) over a wifi network created by my raspberry pi. I have successfully created the wifi network by ...
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0answers
47 views

Systemd giving interface static ip address fails

I'm trying to get used to systemd, following this. But without success. This file /etc/systemd/network/12-wlan1.network does not take effect: [Match] Name=wlan1 [Network] Address=192.168.4.1/24 ...
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0answers
64 views

How to Make Router(AP) with raspberry pi

I am trying to make AP(Router) with raspberry pi. Using your new Raspberry Pi 3 as a WiFi access point with hostapd At this command I am getting certain error !! entepi@raspberrypi:~ $ sudo /usr/...
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1answer
31 views

How to change MAC address using systemd?

I wonder how it is possible to change the mac address of a wifi dongle using systemd. I tried this but without success: cat > /etc/systemd/network/00-wlx*********.link <<EOF [Match] Name=...
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1answer
79 views

No wifi or bluetooth on raspberry pi zero w

I have bought a raspberry pi zero w and performed the headless setup and used ssh to connect to my pc.But it does not detect the wifi interface and always gives 'No wireless interface found' when i ...
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1answer
73 views

hostapd_cli seems to make AP unstable

I use my RPI as wifi repeater using hostapd and dnsmasq. Since I'm using hostapd_cli to disconnect the pi from the internet if the repeater is not in use, I often can’t connect to my access point ...
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1answer
75 views

RPI 3B wlan0 wifi adapter broken?

My raspberry pi 3b (running jessie) fails to connect to wifi. It can scan the networks, and finds all nearby wifi SSIDs. When i try to connect and enter the password, nothing happens (credentials are ...
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1answer
66 views

Create an own private network (LAN/WLAN) without NAT

how can i set up an own private network with my RaspberryPi3 to connect my WLAN and LAN devices to? I don't want to have a router or AP. I want an own network where only the connected devices can talk ...
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2answers
56 views

wpa_supplicant.conf in raspberry pi 3

In order to have my raspberry pi access using ssh (on wifi) i Created a wpa_supplicant.conf file with necessary details Created an empty file 'ssh' My question was around security. Is it secure to ...
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0answers
31 views

Direct memory access to Cypress CYW43455 wireless LAN chip

Where can I find the direct memory addresses or GPIO pinouts for directly controlling the Cypress CYW43455 Wi-Fi chip on the Raspberry Pi Zero W from a custom unikernel, or a modified Raspbian? My ...
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1answer
44 views

RPi 2 B No wireless interfaces found - eth0: Link is down

I tried to setup a new RPi 2 Model B using NOOBS. I followed the steps the "Getting started" guide.. At the "finishing the setup" step, Pi was not able to find any wifi connections to update the ...
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1answer
44 views

Setting up a wifi dongle

I have a raspberry pi 2 running raspbian, and bought a wifi dongle to use with it. I can't seem to get it connect to the internet. I have tried following the guide given by the seller, but it was ...
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1answer
53 views

Edimax EW-7811un driver: wext or nl80211?

I am trying to use wpa_supplicant. I see in wpa_supplicant --help that there are four options for its driver parameter (-D): drivers: nl80211 = Linux nl80211/cfg80211 wext = Linux wireless ...
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0answers
56 views

USB WiFi dongle not being detected as WiFi device

I bought a Wifi dongle from ebay and it gets recognized by the pi, but not as the correct device. the device is Realtek rtl8188ftv lsusb shows it as Bus 001 Device 006: ID 0bda:f179 Realtek ...
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1answer
63 views

hostapd 802.11n/ac bandwith [closed]

Some 802.11* standards support multiple bandwiths (20MHz-40MHz-...) and accordingly higher bandwith (in Mb/second)... with this hostapd configuration file, its not entirely clear if we can manually ...
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vote
1answer
50 views

Raspberry Pi 3B+ Ad-Hoc WiFi issue

I can't seem to connect to my Pi 3b+'s ad-hoc network. I set it up using https://github.com/simondlevy/RPiAdHocWiFi I have attempted with two windows 10 machines and an android phone. On Windows 10 ...
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1answer
108 views

hostapd 5GHZ a/n/ac mode

This is my Hostapd config file to configure mye 5GHz accespoint: #bridge mode bridge=br0 interface=wlan0 # the interface used by the AP hw_mode=a # a simply means 5GHz channel=0 # the channel to ...
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1answer
51 views

How can I redirect HTTP requests to my captive portal/webserver using iptables

I'm working on a project where we need to use the RPi as a Wifi access point, which I got to work. I can get on the internet through the RPi and can also connect my Apache webserver (which should be ...
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0answers
32 views

Raspberry Pi as Gateway in a network with WiFi router - where to set the Gateway in DHCP?

I have read it is possible to have the Pi to act as a gateway computer in a LAN or mixed WLAN/LAN. 39227/rpi-as-internet-gateway-bridge It is not clear to me how the info on what is the intended ...
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1answer
132 views

raspberry pi network bridge eth0 wlan0 static ip

So I want to setup a network bridge between my ethernet connection and the wlan adapter such that the raspberry 3 acts as a device where my chromecast can connect to and shares the internet connection ...