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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.

2
votes
0answers
27 views

Outdoor Wi-Fi positioning / poor man's GPS on RPI3 Model B

I got used to Google Maps figuring where I am using surrounding Wi-Fi signals, a.k.a. Wi-Fi positioning system. I try it on my laptop and it works, but on my Raspberry PI it doesn't: using Firefox ESR,...
1
vote
1answer
28 views

Installing a wifi-USB in offline?

I've bought the follwing Wifi USB-Stick for a pi2 and I've trying to install it somehow! the Problem the I have is that I have No possibility to connect the pi to internet using a LAN connection! I'...
-4
votes
0answers
19 views

Cannot do “ifconfig wlan0 up“ getting “SIOCSIFFLAGS: No such file or directory”

Cannot do ifconfig wlan0 up ifconfig lists/outputs “active” devices What defines an “active device“? Here is the actual terminal output: pi@pi:~ $ ifconfig eth0: flags=4163<UP,BROADCAST,...
0
votes
1answer
40 views

Raspbian Stretch lite headless, wifi not connecting

Am using a Pi model 3 and the latest (2018-06-27) Raspbian Stretch lite, and have only added wpa_supplicant.conf (below) and ssh (empty) in the "boot" partition. country=*CODE* update_config=1 ...
0
votes
0answers
24 views

OpenVPN server works as expected on WiFi but fails on wired

I'm trying to connect to my Raspberry Pi's OpenVPN server from my laptop (using my phone as a WiFi hotspot for testing purposes). When the Pi is connected to my WiFi network it all works exactly as ...
0
votes
1answer
11 views

WiFi SSID not visible on Andriod Things (Raspberry Pi 3B)

I'm trying to connect my Raspberry Pi's to a WiFi network without success. Ethernet connection works flawlessly, but as I attempt to connect to WiFi using ADB as mentioned here, nothing happens. I ...
0
votes
2answers
24 views

Internet not working over wifi when RPi is connected to laptop using Ethernet

I am having problems using Wi-Fi to access the internet on my Raspberry Pi when I connect the Pi to my laptop over ethernet. Wi-Fi works fine and I can access the internet on the Pi when there are ...
0
votes
1answer
34 views

Raspberry Pi 3B+ Wifi intermittently cutting out (I think)

Recently I have turned on wifi to use my Pi as a wifi to ethernet router. This was purely as I have pihole installed and some devices bypass pihole with hardcoded DNS (Chromecast device and Netflix ...
1
vote
0answers
20 views

Rpi3 WIFI AP go down after some time of innactivity?

I have setup my Rpi 3 as wifi access point and it was working for a long time. But some day, wifi stop working unexpectedly and i was no idea that what was the problem. It means wifi access point is ...
0
votes
0answers
31 views

Make a program to run on a specific network interface?

Short question: How can you make only one specific program run off wlan0 and leave everything else to run off the ethernet? Long question: I've been using my Raspberry Pi for a while now and I love ...
1
vote
0answers
40 views

Setting up Pi Zero W Wi-Fi through USB SSH

I am having lots of problems connecting my raspberry pi zero to wifi. I have followed a number of tutorials. 1. What I have tried This was my wpa_supplicant.conf file ctrl_interface=DIR=/var/run/...
1
vote
1answer
20 views

iw scan of a single channel appears to be broken

If you do sudo iwlist wlan0 scan freq 2412 or sudo iw wlan0 scan freq 2412 you will get a full scan and not a channel scan. I think there maybe a bug in the RPi implementation of iw. Has anyone had ...
0
votes
0answers
12 views

Download throughput of Wifi AP connected to Samsung Phone

I have setup a Raspberry Pi 3 as a Wi-Fi access point following Lewis Cowle's scripts and routed the AP traffic to USB using Stretch Lite. The phone is then connected to the a USB port. The phone is ...
1
vote
1answer
36 views

Weird behaviour with Raspberry Pi Zero W regarding DHCP IP address and MAC address

I've tried to 'fix' the IP of my Raspberry Pi Zero W in the local network by creating a DHCP rule in the router: always allocate 192.168.0.109 to the MAC address of the Pi. I use a D-Link router and ...
0
votes
1answer
41 views

Enable Wi-Fi using config.txt

Is there any way I can enable Wi-Fi using config.txt? I have seen ways of disabling it but I cannot enable it from SD card.
5
votes
0answers
64 views

Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with ...
1
vote
0answers
19 views

hostapd.service not found

I am trying to make a Raspberry Pi 2 as a wifi access point in a standalone network. I followed this tutorial: https://docs.google.com/document/d/16hJS7fnPyKUwbvR33_nMku_b6XcYaBJXVpeCIMoJzcQ/pub At ...
0
votes
1answer
51 views

setting up a static ip address using wifi but cannot access internet

I'm trying to setup a static IP address on my WIFI that can access Internet. this my file /etc/dhcpcd.conf interface wlan0 static ip_address=192.168.1.200/24 static routers=192.168.1.1 static ...
0
votes
0answers
16 views

I need help trying to set up a media centre on my pi, I think I have an issue with my usb adapter

I have been trying to set up my Pi 2 as a portable media centre so it can stream to VLC on my iPhone on the go. I have been following this tutorial: https://www.raspberrypi.org/forums/viewtopic.php?t=...
2
votes
1answer
71 views

Raspberry Pi Zero W as a WiFi repeater

I'm currently trying to setup my Raspberry Pi Zero W as a WiFi repeater, but the kicker is that I don't want to use another USB WiFi card. First of all, is this even possible, and if it is, what ...
1
vote
1answer
14 views

Intercepting HTTP request to fool Android into thinking WiFi network has internet

I have a product on a Raspberry Pi, using Raspbian where people connect to their Pi using WiFi served from the Pi, and then access the software via the web browser on their device (smartphone, tablet, ...
0
votes
1answer
37 views

Error starting raspberry pi [closed]

I am a complete newbie to raspberry pi. I am running my pi on my windows laptop using WinSCP. My pi was working all fine and then there was some connection error so I tried to reconnect it. I am ...
0
votes
1answer
18 views

wifi - WiFi sometimes does not work

When I powered the Raspberry Pi 3B on (I use Gentoo), WiFi was working. After reboot, it stopped working, both ip link list and ifconfig commands do not list it (they do if WiFi is working). I am ...
0
votes
1answer
25 views

Put some config files in /boot/

I have a headless Rpi2/Raspbian that does nothing else than: connect to Wifi with this /etc/network/interfaces: auto lo iface lo inet loopback allow-hotplug wlan0 iface wlan0 inet dhcp wpa-ssid "...
0
votes
0answers
45 views

Wireless communication without internet

I am trying to make a project which consists of ultrasonic sensors connected to two Pis that would communicate wirelessly (without internet connection) to a third Pi that uses the inputs to control ...
1
vote
1answer
88 views

Unable to configure Raspberry pi 3 B+ as a 5Ghz AP using 802.11ac in India

I have been trying to configure my Raspberry pi 3 B+ as a 5Ghz access point but I'm unable to do so. Here is my hostapd country_code=IN ieee80211d=1 ieee80211h=1 interface=wlan0 driver=nl80211 ...
3
votes
1answer
49 views

Install raspi-config on Ubuntu 16.04 server [duplicate]

I download the Ubuntu Classic Server 16.04 - Raspberry Pi 3 from https://ubuntu-pi-flavour-maker.org/download/ and installed it on my RPi 3. Now I see that wlan0 is missing. I don't have /dev/video0 ...
0
votes
0answers
26 views

SSH connection dropped via Ethernet cable

I have two Pis that send data from remote sites via WiFi and needed their WiFi credentials changed. I connect via eth0 and access with ssh -X. Each time I successfully access ssh, the connection ...
0
votes
1answer
31 views

Is it possible to use Wifi and Bluetooth at the same time on a RPi 3B+?

I need to connect to WiFi and Bluetooth at the same time using an RPi 3B+. Is it possible or will one connection drop out or be very substandard while using the other?
0
votes
1answer
34 views

Sending data to and from raspberry pi 3 wirelessly using wifi / sim network data

I'm looking for advice regarding sending and receiving data between raspberri pi 3 and other devices assuming everything has internet connection. The data I'm looking to send doesn't have to be ...
0
votes
0answers
22 views

Wifi configurator GUI on boot

I am developing a system using RPi that is to be distributed to end-user's home with preloaded software. They will connect to a screen (monitor or tv) through HDMI. I cannt rely on ethernet being ...
1
vote
0answers
27 views

pi zero w + piCore without keyboard and monitor = cannot connect to wifi

I am new to raspberry pi, I would like to set up a tinycore os. I do not have a keyboard nor a monitor that I can connect through HDMI. So I'm trying to autoconnect to the wifi so that I can ssh. But ...
0
votes
0answers
27 views

Clients can't reconnect to wpa_supplicant AP after sleep

so i have setup a access point on my raspberry with wpa_supplicant, my device can connect, get a ip and have access to the eth0 internet connection of the PI. But every time my device wake from sleep ...
0
votes
0answers
19 views

Both local network and enterprise wifi connection on pi 3 running stretch

I am currently trying to build a monitor system with rpi, running stretch image, and a esp8266 nodemcu 1.0. I want to connect them using MQTT via a local network on a router. The Rpi is also connected ...
1
vote
3answers
85 views

Auto reconnect WiFi in case of changed channel (frequency)

I have a problem with RPi and WiFi channel changing. As I discovered these days - RPi determines channel only during boot procces. And this is an issue. If I log in to my AP (mikrotik) and change ...
0
votes
0answers
36 views

Raspicast kills network

My Project I've been trying to set up my raspberry pi 3 model B as a miracast device (as a chromecast alternative) and I have stumbled upon a strange problem. The symptoms Using my android device I ...
0
votes
1answer
50 views

PI and multiple IR emitters

just another N00b trying to approach the PI world! I would like to remotely control over wi-fi three identical set top boxes (sat receivers). I don't mind studying how to do it, but first I would ...
0
votes
2answers
49 views

How to get mac address of connected devices to a raspberry pi access point?

I have followed the guide here to make the raspberry pi a Wi-Fi access point. But how can I get MAC address of connected devices?
0
votes
0answers
23 views

Push username and password to web authentication service from Raspbian Stretch

I am trying to make several kiosks that will boot to a URL on startup. Right now my system can connect, and I manually login with the details. My issue is that the system logs off the wifi after ...
0
votes
1answer
40 views

How to find IP address of another side of a LAN cable? (RPi and Ubuntu are connected)

I have a raspberry PI 3B. When I connect it via LAN, the ifconfig on UBuntu does not show any IPv4 address (Just IPv6). What should I do to find the correct IP range of my RPi? (and then use nmap to ...
0
votes
1answer
42 views

How to get all near WIFI SSIDs in raspbian?

I know in Ubuntu we have nmcli dev wifi to see a list of near SSIDs. But this command seems not exist in raspbian. Is there an alternative way?
0
votes
2answers
153 views

Raspberry Pi 3 B+ no wireless interfaces found

I can connect to Wi-Fi when I use RPi 3B but when I boot the system with 3B+ it doesn't connect to Wi-Fi automatically and when I click on the top right to connect it to Wi-Fi, I see the error: no ...
0
votes
0answers
9 views

Apt-get via mobile hotspot while connected to LAN

Can someone make some suggestions. I have an RPi that I am using to demonstrate a web server at a secondary school. It does not have any permissions or any way of accessing the outside world through ...
0
votes
1answer
19 views

Cannot change network with USB WiFi interface

I have 2 RPi 3 Bs, each running Stretch and each with an EDIMax N150 USB device plugged in and no changes have been made to the default network configuration files. When the PIs are turned on, I can ...
0
votes
1answer
54 views

Ethernet prioritized over WiFi (raspbian stretch)

My setup is that I have two raspberry Pis connected directly via ethernet (enxb827eb9c0ecf), let's call them Pi 1 and Pi 2. Pi 1 is also connected wirelessly to my home router. I would like to be able ...
2
votes
1answer
50 views

Predictable Network Interface Names inconsistently applied in Stretch

I have a PI 3 B running Stretch, and I have enabled Predictable Network Interface Names, using raspi-config. However, the naming is not being consistently applied. The results of ifconfig are ...
1
vote
1answer
73 views

RPi Zero W Wifi Access Point created, cannot connect

Trying to setup a wifi hotspot (that doesn't require internet) on the RPi Zero W via SSH. I'm connected to the Pi via Wifi using the wpa_supplicant.conf to connect to an existing network. I'm unable ...
0
votes
1answer
43 views

Connect WiFi on non-WiFi RPi

Yes, I know that I can't connect to Internet using simple RPi Zero (non-WiFi), but are there methods to connect it to WiFi using ESP8266 modules like on Arduinos?
2
votes
2answers
150 views

How do I setup a Raspberry Pi zero w as a Wi-Fi client (internal Wi-Fi) and access point (USB adapter) simultaneously?

I followed the tutorial, Raspberry Pi Wireless Access Point, to set my Raspberry Pi Zero as an access point. I do have an additional USB adapter connected. The pi that I’m working on will be an on ...
1
vote
3answers
146 views

Configuring 2 wifi interfaces, one DHCP and the other ad-hoc, in Stretch

I have a number of Pis running jessie, with 2 wifi interfaces. One of the interfaces (wlan1) connects to the local DHCP server, and the other (wlan0) connects to a local ad-hoc network. In jessie this ...