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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90 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
184 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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2answers
389 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
169 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
44 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
416 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
189 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
27 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
19 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
61 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
30 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
299 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
116 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 ...
1
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1answer
56 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 ...
1
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1answer
323 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 ...
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1answer
7k 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
130 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
226 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
25 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
142 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
121 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 ...
1
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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
56 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
24 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
122 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
105 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
138 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 ...
0
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1answer
27 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
17 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
17 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
30 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 ...
1
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2answers
345 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 ...
1
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2answers
49 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
19 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 ...
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1answer
604 views

Raspberry pi 3 ERR_NAME_RESOLUTION_FAILED wire

All of the sudden for no reason my raspberry stop access to the internet. I have reinstalled the OS and no help. Connect to the WiFi lan but does not connect and returns an error when wire line to a ...
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0answers
68 views

wifi setup after changing wifi-direct settings

I followed these wonderful instructions on setting up wifi-direct, but now I need to be able to set up regular wifi after that. Here's what I'm trying to do. Trying to set up the Pi Zero W to do what ...
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0answers
97 views

Raspberry Pi Wifi Access Point Ubuntu Mate

How can I set up a wifi access point on a Rasberry Pi 3 Model B running Ubuntu Mate? Many other people mention using Raspbian, but none of those methods have worked so far. Thus, I was wondering how I ...
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2answers
581 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 ...
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0answers
19 views

Low internet speed when connected to ethernet

I'm experiencing slow internet with my raspbery pi 3 B+ My internet speed is 200 Mb/s I can test it with my mac. Basically, I try to download this 1 GB File On Mac with both ethernet and wifi, I ...
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2answers
316 views

Setup WiFi on Pi 3 B+

I follow this tutorial to setup WiFi on my Pi. But it doesn't work. Can someone help? Here are some debug outputs. os: Linux raspberrypi 4.14.98-v7+ #1200 SMP Tue Feb 12 20:27:48 GMT 2019 armv7l ...
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2answers
34 views

Two WiFi adapters; one ad-hoc, the other normal DHCP

I've trawled the forums but not found an up to date answer to this. My apologies if I have missed it. Basic Setup I have a rPi 2B+ with two wifi adapters connected. wlan0 & wlan1 both show in ...
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0answers
9 views

Access Point (AP) and use of cell at the same time

I would like to be able to have my RPi 0 W be an Access Point (AP) and my cell phone be able to use cell data services so I can use my Pi in my car and not have a secondary device. I can’t use maps ...
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0answers
25 views

PiVPN on Mobile Device - Wifi Drops and the Phone Reverts to 4G [closed]

I recently installed PiVPN. Although it works, I have noticed that after about 20-30 seconds of 'screen off' time, the phone's connection will drop from wifi to 4G. This only happens when I am using ...
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2answers
2k views

raspi-config network option not working

I am trying to turn on the network option in raspi-config, but when I do, I get this error: could not communicate with wpa_supplicant Then I hit enter to continue and I get this message There was ...
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0answers
73 views

Connecting 4 WiFi USB Adapters to Raspberry Pi 3

I'm trying to get 4 Wifi adapters running off the Pi (overkill I know), the adapter in question is the Alfa Network AWUS036NHA, the Pi runs smoothly and reads the adapters as I plug them in one by one ...
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2answers
391 views

Raspberry Pi WiFi connection to Enterprise WPA2 WLAN

This is my first question here. I want to connect my RPi to my company WLAN network but there are some problems and I am out of ideas to solve them. The WLAN does not appear in the list of WLAN's in ...
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0answers
78 views

Pi Zero W 1.1 dead wifi

About a month or two ago I bought a pi zero w from microcenter for a project but I didn’t start on it until now. I now realize the Pi that I got is one of the defective ones with a bad firmware, so ...
1
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1answer
674 views

Steam Link app network problems

I setup an Pi 3 (B+) for connecting to steam on my main computer. Steam Link is an application used for connecting remote devices (like the pi) as client with steam on the host computer (https://store....
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2answers
2k views

Make “iw wlan0 set power_save off” permanent

Q How can I make iw wlan0 set power_save off permanent for stretch? What's the proper way to do it? Edit I'm using an r-Pi 1 Mod. B with an Edimax wifi dongle and Raspian stretch.
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2answers
729 views

Raspberry Pi 3 B+ to Samsung Galaxy S7 USB Tethering Inactive eth1 Interface

This is a follow up to Static IP Address for USB Screencast in Raspbian Stretch. Concisely, I want to use USB Tethering to connect VNC on my smartphone to the RPi for use as a remote desktop-type ...