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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15 views

Raspberry PI 3 with Funcube Dongle Pro+ SDR does not read the antenna

I am trying to configure my RPi3 into a small receiving ground station. I already have installed the gnuradio, gqrv, gpredict packages. The RPi is connected to an SDR dongle (Funcube Dongle Pro+) with ...
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0answers
20 views

Use OBDII over WiFi

I think i've tried everything at this point, and nothing seems to work. I'm using an ELM327 WiFi Dongle, connected it to the Pi, created a socat using: sudo socat pty,link=/dev/ttyUSB0,waitslave tcp:...
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0answers
21 views

Dropped wifi packets from Pi Zero W to Pi 3B+

We're trying to build a system where a master Pi 3B+ controls a dozen (or more) Pi Zero W clients - all running the latest raspbian (as of 18:00 EDT today) - in an isolated WiFi island (no ...
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1answer
12 views

Wifi disconnecting on Raspbian Stretch Lite?

I've got an old RPi 1 Model B, that I'm trying to use as a Wake-On-LAN server. I've got it connected to Wifi with a DWA-171 USB/WiFi dongle and these drivers (the link contains a script that installs ...
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0answers
24 views

RPI 3B+, Wifi super slow (10x slower than onboard) when using USB Wifi despite huge antenna

TL;DR, usb-wifi works, but it's extremely (!) slow compared to onboard wifi, even though the dongle has a big antenna and a a better signal quality. I looked far and wide and did all I could find, but ...
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1answer
64 views

How can I set my up to be WiFi AND ethernet router simultaneously?

I want to use my Pi as a fully fledged wifi and ethernet router. I'll connect an external modem/phone with tethering to it and want to share that internet connection with all devices connected to the ...
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1answer
50 views

USB Wifi driver installation Error: /lib/modules/4.14.98+/build: No such file or directory. Stop

i need to install the USB wife EDUP into my raspberry zero, so i try installing the CD container driver which is similar to main GitHub container _RTL8188C_8192C_USB_linux_v4.0.2_9000.20130911_ ...
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0answers
22 views

RTL wifi dongle does not create an interface at startup and doesnt connect

I have a Raspberry pi 3 with Raspbian GNU/Linux 9.9 (stretch) and I am trying to use a USB Wifi dongle (Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter). The external wlan adapter has an ...
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1answer
38 views

Running subprocess in a service not working?

I have made a systemd service in Raspberry Pi with Jessy OS and it is given by. /etc/systemd/system/caportal.service [Unit] Description=captive portal automation [Service] Type=simple ExecStart=/...
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1answer
25 views

Networking restart not working?

In My raspberry Pi wifi is connected to my home wifi and eth0 is assigned with a static ip address. It act as a router between wlan0 and eth0. Raspberry pi get internet through the wifi. After ...
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1answer
16 views

How to get SSH access to headless Raspbian Stretch Lite? Official way seems not to work

I was not able to enable ssh by putting the file into the boot folder, and yes it was created without extension from a Windows 7 machine and gets deleted after boot. This is what should have happened:...
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0answers
17 views

Running wpa_cli reconfigure disconnect from internet?

I have configured my raspberry pi as wifi to ether dhcpcd.conf # A sample configuration for dhcpcd. # See dhcpcd.conf(5) for details. # Allow users of this group to interact with dhcpcd via the ...
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0answers
19 views

My Raspberry Pi disconnects from the Wi-Fi network randomly

I am experiencing an issue related to wifi network sleeping or disconnecting, that has been persisting despite trying this methods: Changing the power management setting to off using iwconfig wlan0 ...
1
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1answer
34 views

IP address randomly changed wlan0

I had an issue related to IP change. Is it typical for a Raspberry Pi to randomly change the IP? When I ran the command ifconfig, I noticed that under wlan0 inet, my IP address changed. I was made ...
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4answers
77 views

Connecting Raspberry Pi Zero W to ethernet and serving as WiFi access point

I have an ethernet port in a room where I would like to improve the WiFi connection, and I have a Raspberry Pi Zero W lying around. Is there a way I can connect the Pi to the ethernet port and have ...
1
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1answer
18 views

Wireless Transparent Proxy Troubleshooting

I'm someone who has very little technical experience but became interested in the idea of a transparent Tor proxy. I'm well aware that this isn't a secure implementation but I thought I could learn a ...
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3answers
62 views

Set up one WiFi card as uplink and another as access point in Raspbian Stretch

I have a Raspberry Pi with 2 WiFi interfaces (built-in and USB dongle). I want to set up one of them (wlan0) to connect to a WiFi router for Internet access and the other one (wlan1) as an Access ...
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0answers
47 views

Wifi connection causes Pi to freeze, why?

I am having recurring problems with 2 Pi0W and, less often, with a Pi3B+ using pikrellcam as part of wildlife project What happens is that the Pi simply freezes. I am using a headless mode and ...
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1answer
63 views

Raspberry Pi 3 B+ won't connect to WiFi

I got new internet so I tried to connect my Pi to the new internet by modifying /etc/wpa_supplicant/wpa_supplicant.conf and now it looks like this: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=...
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0answers
23 views

wpa_supplicant errors in syslog after upgrade to Stretch

I just upgraded a Raspberry Pi 3 Model B from Jessie to Stretch, and everything (including WiFi) seems to be working OK, but one thing has me worried: Whenever I reboot, sudo journalctl contains the ...
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0answers
26 views

Using Pi as an intermediary between 2 LANs

I have one raspberry pi which is running Hassio (Home automation stuff). Normally I would just connect the devices I wanted to automate to home LAN but the problem is my wifi SSID & Password might ...
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1answer
29 views

Buildroot problem “modprobe: can't change directory to '4.4.34+'”

I am trying to build a working embedded system for Raspberry Pi Zero W with Buildroot. I'm testing it in QEMU for now. The system boots OK from sdcard.img, but the wifi drivers will not load. I am ...
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0answers
23 views

JSch / Java SDK 1.8 - getting Auth Fail from working key file

I'm having an issue with JSch using the ARM variant of Java 8. Using SSH works fine with the key: pi@raspberrypi:~ $ ssh -i .ssh/Pi2Desktop2 -p 22 astump@192.168.1.2 Welcome to Ubuntu 18.04.2 LTS (...
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0answers
21 views

Can't SSH into device after a few days, but device still has active internet connection

NOTE: I have found similar issues as what I describe below (namely this), but none of them apply to my issue. I have an RPi0W connected to wifi, running headless, and connected to a Firebase database,...
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0answers
14 views

Unable to connect to wifi - ifup service failed

I'm using a raspberry pi model 1B with a dongle and I can't connect it to wifi. It was working (mostly) a few weeks ago, but now the wifi doesn't work at all. The log shows something about the ifup ...
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2answers
34 views

2 Wifi NIC's that each only connect to one (different from each other) network

The Setup: Raspberry Pi 3 B (Raspbian GNU/Linux 9 (stretch)) and boots to Command Line (internal Wifi NIC) [wlan0] additional external Wifi NIC [wlan1] What I want to achieve: I Have two different ...
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0answers
23 views

Wireless and bluetooth suddenly stopped working

My raspberry pi zero w was lying useless since a year because the wireless and bluetooth interfaces were not showing up.I thought it was a hardware problem but this year after the April release of ...
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2answers
46 views

Initialize a headless RaspberryPi connected by Wifi, 100% from Windows

This works to initialize a headless RaspberryPi connected by Wifi (no screen/keyboard never needed attached to RPi): Get a Raspbian Stretch Lite from https://www.raspberrypi.org/downloads/raspbian/ ...
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2answers
72 views

Network Ethernet and WiFi devices

I have device A and B. I need them networked together (see eachother on arp-scans etc). Device B has WiFi, but device A has Ethernet. Basically I just want the Pi to act like a simple router (maybe ...
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1answer
38 views

bluetooth transfer speed 10x slower than wifi

I run a mqtt server on raspberry pi 3B together with a mqtt client on android handset. A data sequence will be transferred from the server to the client by TCP. I enabled ip over bluetooth on ...
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1answer
69 views

Connecting the Pi to multiple WiFi networks simultaneously

I have completed the official guide on setting up a Raspberry Pi as an access point in a standalone network (NAT), and it works, but I can't join other networks. I want my Raspberry Pi to act as an ...
3
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1answer
456 views

How to setup the Raspberry Pi 3 onboard WiFi for Ubuntu Server 18.04 with netplan?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? This is a clean install of the Ubuntu Server 18.04 image for Raspberry Pi 3. File: ubuntu-18.04.2-...
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2answers
34 views

Add external conf to wpa_supplicant.conf

I have a use case where I need to read USB drive for wifi credential and add it to wpa_supplicant.conf file. It seems possible to add those details into the wpa_supplicant.conf. But I can see there ...
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0answers
34 views

Raspberry Pi 3 Access Point - No Client IP

I followed the official Raspberry Pi documentation for "Setting up a Raspberry Pi as an access point in a standalone network (NAT)", but I can't get an IP address on the client. When I assign a static ...
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0answers
16 views

How do I use my RPi3 to act as a wireless adapter to make a nintendo switch controller?

GOAL: to make a wireless nintendo switch controller First steps, i want to be able to connect a keyboard to the Pi3 to use as a wireless keyboard ie. can connect to another computer or device and ...
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0answers
40 views

Help with RPI ZERO W Kali Linux A.L.O.A

I have a raspberry Pi ZERO W and installed kali linux on to it.To be specific it's the Kali linux A.L.O.A and i have a wifi adapter that i want to setup but i don't know how and when if type ifconfig ...
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0answers
33 views

Driver installation Edimax EW-7811 UTC

I am trying to install the drivers for Edimax EW-7811UTC on Raspberry Pi3 running Stretch lite. I followed the steps given in How to install EW-7811 AC600 Series and EW-7822UAC adapters on Raspberry ...
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1answer
21 views

Is it possible to preconfigure a WiFi before the Pi is on its range?

I have a program running on my Pi that needs to run in another household, without me coming to this household. The only thing needed is that the Pi is automatically connected to this household's WiFi ...
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1answer
32 views

Error Connecting My Raspberry PI B+ to Wifi

I'm new to Raspberry Pi and trying to connect one to my mobile WiFi rooter. However there's an error that keeps me away from it for 10 hours. Please help me. Initial Situation Wireless & Wired ...
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0answers
14 views

OMV - RPI3B - Debian stretch - WiFi adapter being detected but no connection

I've just installed OMV 4.1.22-1 on a raspberry PI3B. After update and upgrade, wlan0 interface is detected by the system: ifconfig output: wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ...
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1answer
48 views

Can't connect to multiple wifi networks

I'm having trouble connecting to a network that isn't the first one in my wpa_supplicant.conf file (NETWORK3). I can connect to NETWORK1 just fine, but it is a Wifi hotspot, so I would prefer to not ...
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2answers
52 views

Raspi doesn't connect with wifi anymore. What am I doing wrong?

I had the wifi on my raspi 3B working perfectly for about 2 years. I then saw I had two wpa_supplicant.conf files: /etc/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf I briefly checked ...
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0answers
27 views

Raspberry Pi Zero W can't connect to iPhone hotspot

I have booted my pi with Raspbain Stretch Lite and I have been able to establish an internet connection to my home network by configuring the wpa_suppicant file. However, I am not able to establish a ...
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1answer
24 views

ELI5 how to use my pi3 model b as access point?

I have no clue about networking in general so need a little help. Here's my problem (very First World): I want to be able to use my house wifi whilst sitting in my garden but the signal is really too ...
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1answer
14 views

Connection to internet terminates when I connect my Raspberry pi3(Model B+) to a VLAN which does not have internet connection

I have a problem with my Raspberry pi. I have connected the PI to the wifi while setting it up for the first time and the internet access worked perfectly but when I connect it to a VLAN which does ...
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0answers
14 views

Extremely low connection to my projects from WAN

I own a Raspberry 3 b+ connected by WiFi. I'm storing my Codeigniter (php) projects there, but it takes a very long time to load any of these projects from WAN. I'm using NO-IP to access the ...
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0answers
25 views

can low power be the cause of low WiFi speed?

I'm using a raspberry pi 2 model b running Ubuntu core, and a TP-Link TL-WN821Nv3 USB WiFi adapter, which has a maximum speed of 300mbps/37.5mBps, and a Samsung charger which supplies 2A (lower than ...
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2answers
82 views

Static IP Issues For wlan0 and eth0

I'm having issues with using a static IP for a Raspberry Pi 3. What I'm trying to do is connect 4 Raspberry Pis as nodes/slaves to a single Pi which will act as the server/master. I'm using OSC ...
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2answers
39 views

Help with bridge TCP/IP through RPi 3B+

Need help setting up comm between an Integ Jnior and our primary domain. Here's what I've done so far. I've taken RPi 3 B+ and set it up as a DHCP server broadcasting 10.1.1.1. Wlan0 on the Pi has ...
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0answers
17 views

Raspberry 2b lost Wifi connexion (using USB Wifi)

Yesterday i reinstalled my RPI 2B and 1B with the new Raspbian OS. When i wanted to connect the RPI to my Wifi using a dongle USB Edimax and TP-LINK, it connect but after few seconds the RPI lost the ...