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
174 views

Diagnosing a problem with a PI2 media server running KODI, stuttering issues

I bought a PI2 to use it as a media streaming device for my TV. I've been fiddling around with it since the begging of summer and have been unable to set it up exactly as I want. The (main) problem I'...
1
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2answers
41 views

Really weird wifi connection issues

I have a Pi 4 that I just got a month ago. It was hooked up correctly to wifi previously, but when I booted it up yesterday I can no longer make a connection. I'm running raspbian. In the upper right,...
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0answers
132 views

Raspberry Pi 4 no wifi after update && upgrade

I am new to Raspberry Pi and Linux. I followed all the setup guides and have a 4" touchscreen with a case. I downloaded MPI4008-4.0inch-2019-07-10-raspbian-buster.img and flashed it to SD. I had to ...
2
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1answer
22 views

ubuntu server can’t connect to wifi

I flashed my raspberry pi with ARM server ubuntu but I can’t get my pi to connect to the wifi. I was following this tutorial, which instructs me to use ifconfig, but my pi is telling me that it doesn’...
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1answer
84 views

No wifi interfaces found after logging in as different user

I just configured my Pi ZeroW to connect to a WPA2 Enterprise network. All good. When I log out of the pi account and log back in as another user, the wifi icon is an up/down arrows and when I click ...
2
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1answer
71 views

Share 4G USB Internet on Raspberry Pi 4 over WiFi and Ethernet

I've already set up my RPi 4 as a hotspot using dnsmasq and hostapd, using a USB 4G modem to connect to the internet. This is working as expected, I'm able to connect other devices to it and get ...
0
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1answer
356 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 ...
1
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3answers
591 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 ...
0
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1answer
65 views

Pi Zero W Wifi network connection issues

I have a Raspberry Pi Zero W project that needs a network connection for some of its functionality. The device normally does not have a keyboard and display attached, as it's operated by hardware ...
0
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1answer
2k views

Can't connect to hidden WPA2 hidden network

I am trying to connect to my works hidden network, I know the name of the network and the password but it doesn't want to connect to the network. I can see it when I can and still it will not connect. ...
1
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1answer
83 views
+100

USB WiFi dongle ad-hoc criteria

I'm trying to setup an ad-hoc network (intranet-only, no internet) of RPi4s (Buster 2019-09-26) using dongles with detachable antennas. I can successfully setup ad-hoc modes on the internal WiFi (...
4
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1answer
3k 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-...
1
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1answer
723 views

Pi Zero W Wifi repeater with OpenVPN

Im trying to setup a Pi Zero W as a wifi repeater with openVPN without using a USB wifi dongle, as a tiny travel router. I tried using this tutorial - by @ingo raspberry-pi-zero-w-as-a-wifi-repeater ...
8
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1answer
8k 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-...
9
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4answers
13k views

How to disable wifi in Raspberry Pi 4

How to disable WiFi in Raspberry Pi4, possibly keeping the chip powered off.
1
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1answer
129 views

Bridge and Wifi Webserver on Raspberry Pi 3 B+ (Raspbian Stretch)

So I am trying to realize the following Setup with a Raspberry Pi 3 B+ (latest Stretch Lite): Modbus TCP/IP Device with a static IP Adress connected to the Raspi Pi via Ethernet. Raspberry Pi ...
1
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1answer
65 views

Configure Static IP For bridge connection

I am working on Raspberry pi 3B+ (Having Ethernet and wlan both). Currently i am trying to create a bridge connection between my Ethernet port and tap which i am using for other purpose. Below ...
2
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2answers
149 views

How to configure Ubuntu 19.10 Raspberry Pi 4 wifi to automatically connect?

How do I configure wifi to automatically without rebooting? For example, like phone, when my phone detect wifi that has connected, it connect the wifi network automatically without reboot and any ...
0
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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 ...
1
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1answer
37 views

Raspberry PI random connection interruptions

i am running a raspberry pi B+ headless and losing network connection irregulary. I am living with that since a few years, but now want to fix the problem. What would be a good approach to find out ...
0
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1answer
442 views

DietPi OS not enabling Wifi Adapter in VirtualBox

My setup: A laptop with VirtualBox installed containing the OS DietPi. The VM is in Bridge Mode. Adapter 1 is set to Bridge on the Ethernet Port and Adapter 2 is set to Bridge on the Wireless adapter....
2
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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 ...
4
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2answers
2k views

Switch between wifi client and access point without reboot

I want my Raspberry Pi to be used as access point or as client connected to my internet router but not both together. So I want to switch between these two modes with one simple command without ...
2
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0answers
23 views

How to dynamically connect to wifi hotspots when I find them?

I'm doing a robotics project in which I have multiple raspberry pi powered robots. When they meet eachother one of them can decide to set up a wifi hotspot and the other ones should connect to it. ...
0
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1answer
333 views

VPN + Hotspot RPi3 doesnt work

I'm doing a VPN router with Access Point capability, but the router doesn't broadcast network SSID and the network doesn't work at all now. I've realised that when I type service openvpn stop, then I ...
1
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1answer
541 views

Wifi conflicts with bluetooth: impossible to use BT mouse + keyboard with wifi turned on

2 years later, I still have the same issue. In Raspbian, using the built-in Bluetooth controller: Connect a BT mouse Connect a BT keyboard Turn on the built-in Wifi and connect to a network ...
0
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0answers
24 views

Socket communication between Pi and Arduino

I'm a beginner with Raspi and I would appreciate your advice and input on a project I'm working on. Hardware: Raspi 3B+ with latest Rasbian, Arduino MKR 1000 I have a bunch of sensors attached to ...
0
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1answer
285 views

Raspberry Pi Zero W access point sharing LAN thorough ethernet gadget

I've recently wanted to do a project with the Raspberry Pi Zero. Basically, I want to set up the Pi as an ethernet gadget for computers to be able to play games over WLAN. The computers have no wifi ...
0
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1answer
11k views

No wireless interfaces found

I am currently trying to connect my Raspberry Pi 3 to Wifi, but the UI is telling me "No wireless interface found". Here is my ifconfig : eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu ...
2
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0answers
17 views

Connect to a proxy server but only from specific interface (eth0)

I want to connect my Raspberry Pi to the university network. I was successful to connect it to eduroam (WLAN). Some times I would also like to access the universities network over LAN. For doing so, I ...
1
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1answer
61 views

WLAN module gone - RPI 4 B+

The WLAN module of my RPI 4 B+ disappeared. At first I thought that the hardware component had blown. How can I properly diagnose whether there is a hardware or software problem? What I have done for ...
0
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1answer
42 views

Cannot connect to a DHCP server

I am trying to set up an ad-hoc network of Pis (not connected to the Internet). I am able to ping and ssh among the Pis by changing the /etc/network/interfaces file by adding the lines to each Pi by ...
1
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0answers
37 views

Can we control a RPI with an Android smartphone wirelessly and without Wi-Fi?

I got a RPI4 and I would like to use it outside, where there is not always an avaiable Wi-Fi connection . I would like to create a sort of an headless machine and control it with a smartphone, without ...
1
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1answer
28 views

Cannot connect to Ad-Hoc Wifi

I am attempting to set up a Ad-Hoc Wifi network of multiple PIs , none of them are supposed to be connected to the Internet. I could configure one of the PIs to act as a Ad Hoc Wifi device which ...
0
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1answer
470 views

Can't SSH to my Pi over WiFi from my laptop, works from other machines

Heyo everyone! I was working on a schoolproject on my Pi today when I tried to connect to my Pi over SSH over WiFi. The Pi is connected to the school's WiFi network (Eduroam). The day before this I ...
0
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1answer
739 views

Change active wifi network without reboot using external USB wifi dongle

I'm trying to programmatically change which wifi network my PI is connected to, on the fly without a reboot. When I run the script using this USB wifi device it won't switch. However, it works when ...
0
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1answer
424 views

Prevent Pi 3 from disabling wlan0

I have a Raspberry PI 3 (B). I'm accessing it remotely via wlan0 - built in WiFi chip. Now, for sake of pen testing i got myself a separate USB WiFi card. The problem is that, after i finish ...
0
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1answer
39 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 ...
1
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5answers
450 views

Wifi cuts out after a few hours, have to restart Pi

I intend to keep an SSH and a Minecraft server up 24/7 (with the exception of the monthly server update). My only problem is, the wifi just stops working after a few hours so I'll have to manually ...
1
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2answers
238 views

Pi can't find Wifi Dongle Upon Turning On/ Rebooting/Ifup

I'm having lots of trouble getting my Raspberry Pi wlan*'s to work. I already have several Raspberry Pi 2's that work perfectly with the exact arrangement I'm about to describe, but this one I just ...
1
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2answers
2k 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 config: country_code=IN ieee80211d=1 ieee80211h=1 interface=wlan0 driver=...
0
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0answers
33 views

Why does my Raspberry Pi's IP address not show up on my router, but has the old dynamic IP address?

I recently changed my Raspberry Pi 3B setting in dhcpd.conf to set a static private IP address. I've been able to SSH into the pi, as well as ping it. But for some odd reason, when I check my router's ...
2
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3answers
1k views

LAN isolated Wifi AP (Guest WiFi AP sharing eth0)

I have a home network with various servers and routers (192.168.x.x). I want to use the Raspberry Pi 3 to setup an isolated WiFi AP (guest AP) such as computers that connect to the Rasp WiFi have ...
2
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1answer
602 views

WiFi drops out when I remove ethernet cable

When the Ethernet cable is plugged in, WiFi works just perfectly. I can SSH and HTTP into the pi. However, when I remove the Ethernet cable, the WiFi drops out. The Gui shows that there are no WiFi ...
2
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2answers
206 views

Setting up Raspberry Pi 4B to be a wifi access point

I want my Raspberry Pi 4B to create a wireless network that connects to my router, without using any external devices to assist the pi (ie. a secondary router or an antennae that would connect to the ...
0
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1answer
617 views

RPI 3 B+ configured as wireless extender (AP + client) troubleshooting

Im trying to configure my RPi 3 B+ as a wireless extender using the internal wifi chip aacting as the client and AP. Ive been following this guide as it seems most suitable for os/model/application ...
2
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1answer
42 views

Raspberry Pi 4 does not see 5GHz networks

I've got myself a new Raspberry Pi and installed Raspbian (fullest of editions) using NOOBS. During installation (i presume for package download) Raspberry clearly saw and was able to connect to my ...
0
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2answers
100 views

How to use Raspberry Pi as a wireless AP

I've recently purchased a Raspberry Pi 3 Model B because I need to host a wireless AP and web server (I'm making a web app that will run on a few tablets and would like for them all to utilize the ...
-1
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0answers
29 views

Check WiFi Credentials from PHP API

I have put together a custom pi running raspbian that creates an access point if it can't connect to a wifi connection set within wpa_supplicant.conf. The mobile app connects to this connection and ...
0
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5answers
6k views

WiFi won't start

I have a new Pi 3 B+ and am running openplotter version of NOOBS. When I boot, WiFi doesn't show on the top right of the home screen. When I run raspi-config for Network Options and WiFi, I get '...