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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16 views

Raspberry 4B - Dualband 2.4GHZ and 5GHZ

I am aware that the question is asked here already, e.g. Can RPi4 run simultaneously on dual band (WiFi 2.4GHz / 5GHz)? Is it possible to use Raspberry Pi 3 B+ Dual Band WiFi Simultaneously? But I ...
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33 views

Wirelessly sending video from camera to RPi through WiFi without internet [closed]

So I have a project in mind that would allow me to send video from a camera to the pi wirelessly, the pi would be plugged into a laptop and it would be able to be detected as a webcam in the software ...
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19 views

Share Raspberry Pi 4 WiFi Over Ethernet to another PC [closed]

Is this possible? If so, can anyone tell me how? Been trying at this for hours.
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22 views

Connection works only after router restart

My raspberry pi 3 with octopi is connected via Wifi with my router (fritz box). The pi is connects itself successfully. I can't access the pi from my computer (i can't even ping) if the computer is ...
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1answer
33 views

raspberry pi 4b keeps dropping wifi

I had this issue previously on my pi 4: Raspberry pi 4b: failed to connect to network which I thought I resolved using a workaround BUT Recently when I used my pi for ~1hr ( with network connected ...
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1answer
26 views

No wireless interface after initial setup Raspberry Pi 4

The wifi worked before the initial setup, but after reboot it stopped working. raspi-config says no wireless interface found when trying to set up the wifi. wpa_supplicant.conf states: country=US ...
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2answers
60 views

Unusual network behavior on Pi Zero W running Raspbian Buster 2020-02-27 release

I brought up a Pi Zero W last month running the then-current Raspberry Pi OS (Raspbian Buster) 20-02-27 release. It has updated itself to linux kernel 5.4.51+. This headless system is running 5 ...
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1answer
45 views

RPI 4 - WIFI not working

I enabled VNC using raspi-config in the Interfacing Options, but a VNC connection test from a client failed. I rebooted the RPI, and it failed to come on the wireless network. Disabling VNC hasn't ...
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1answer
11 views

Multiple Wireless Interfaces each connects to a specific SSID

I have multiple GoPro cameras, which are running as multiple access points. I bought a few wifi dongles trying to connect each dongle to each camera. My plan is to specify each dongle (with its stable ...
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2answers
54 views

Access 192.168.2.x from 192.168.0.x

My Rpi-2 is connected to my home router which assigns an IP address 192.168.0.x to all its clients. I have created a network bridge on this rpi so that it shares the main routers connection with the ...
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1answer
27 views

FTP port forwarding in Passive mode

I had been experimenting with an FTP server setup using vsftpd on my Raspberry Pi but running into issues with getting 'passive mode' to work. (I have an Xfinity Gateway so I've heard that could be a ...
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1answer
35 views

Raspberry Pi Zero W not connecting to WiFi

Context: I'm trying to set up pihole as per these two tutorials. I'm using a Raspberry Pi Zero W. I created an SSH file which I added to the sd card. I also created a wpa_supplicant.conf file as per ...
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63 views

Wifi grayed out for secure networks

I have a Raspberry Pi3 Model B. I was using it with wired internet and it worked well. But now, due to a move, I can't use a wired network anymore. I would like to use the university's secure wifi. ...
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1answer
24 views

Run a subprocess in administrator mode

I'm trying to add a wifi network on the raspberry pi via bash inside a python script. I want to run a subprocess in administrator mode inside a python application, does anyone have any suggestions to ...
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2answers
62 views

Raspberry Pi wifi scan working, but cannot connect to wifi

I have a kinda strange WiFi issue. I just bought a WiFi USB adapter for my RPi2, and I can list the Wifi networks, but if I add the credentials to the wpa_supplicants file, it does not want to connect....
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19 views

Access Point and NodeJS frontend

I have set up a wireless access point with my RPi 3 B+ as per the official instructions on the RapberryPi website, and that works well. I can connect to the internet via my RPi access point. I would ...
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1answer
43 views

Intermittent Wifi

I have a Pi Zero W running a fully up-to-date version of Raspbian (buster). For some reason, the Zero isn't reliably connecting to my wifi. I followed the wifi configuration steps here. I've also ...
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29 views

Manage scarce resources - prioritize routing over nextcloud using nice

I set up my RaspberryPi Model 4 B with Raspbian 10.4 as a wifi router. I also installed NextCloud. In some situations (uploading many files at once), Nextcloud can overload the system (read: CPU, ...
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1answer
52 views

How to switch network when the current network slows down or drops out

My raspberry 3 is connected to Wi-Fi, Ethernet, and ppp0 (configured using UC20 GSM). All three connections work perfectly individually. But when I combine all three networks on the Pi 3 it will get ...
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34 views

How to use RPi model 3B+ as Router with highest bandwidth? (VPN)

Basically, I'm trying to use my Pi as a VPN-Protected router and AP. I've tried RaspAp (hostapd with a web gui and some extra stuff) and hostapd by itself, but hostapd by itself wouldn't work with my ...
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1answer
56 views

Raspberry Pi OS - 2 WLAN interfaces (onboard + USB dongle), 2 SSIDs

I have a RPi 4 8GB with the latest Raspberry Pi OS (August 2020) installed. I need to connect to 2 different APs: wlan0: onboard wlan1: USB dongle Here is the configuration so far: /etc/...
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2answers
100 views

Choose a specific WiFi AP or Frequency

My router (Google WiFi) have 2 access points with the same ssid: a 2.4GHz and a 5GHz. It seems that multicasting between these networks is unstable, so I want my raspberry (buster) to force a ...
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1answer
21 views

raspian wifi: will it switch over ho higher priority wifi when detected?

Say I've got this wifi config: /etc/wpa_supplicant/wpa_supplicant.conf: network={ ssid="wifi_A" psk="passwordOfA" priority=1 } network={ ssid="wifi_B" ...
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2answers
49 views

How to control raspberry pi (gpio and peripherals) using an app from anywhere in the world [closed]

For a school project I am undertaking, I need to send commands to a raspberry pi device wirelessly far away from the Raspberry Pi itself. The goal is to send commands which will: i) Control a motor ...
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30 views

How to configure WPA2 in IEEE 802.11s mesh network?

I have a small Wi-Fi mesh network based on IEEE 802.11s. I am trying to configure WPA2 security in my network by using wpa_supplicant utility. But my configuration does not work, my nodes do not see ...
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39 views

How to configure netplan access point to only allow WPA2 AES on Ubuntu server 20.04?

I am trying to configure a raspberry pi in my cluster as a kind of gateway. I followed the answer in this question... Ubuntu Server 18 Wifi Hotspot setup ...to get my access point up and running. ...
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25 views

I see two Octopi instances on my Raspberry Pi - why, and how can I stop this?

I installed Octopi on a brand new R Pi straight out of the box, connected it to my Wireless network and to my Ender3D and all went well for a few days, until I started having odd symptoms, such as ...
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61 views

Installing TP-Link AC600 High Gain Wifi on Raspberry Pi 4

My pi is running in my shed, quite a distance away from my house. It's working but I thought I would try and improve its wifi signal by purchasing a high-gain wireless adapter. I'm having a nightmare ...
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1answer
18 views

Raspberrypi Zero W, portable, data logging doesn't work without WiFi

I would appreciate if anyone could give me some directions here. I have an MPU6050 accelerometer connected to RP Zero. I made it portable so that I could collect data outside. On start up, with ...
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1answer
57 views

Can we use RPi as main router which directly connect to ISP provided broadband cable to access internet?

Im beginner to RPi and networking as well so i have very basic question for start. i am trying to build a internet wifi router using RPi3 with the help of material available on internet. But i can ...
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1answer
52 views

Wifi to ethernet bridge on a RPi 1B(+) with proxy arp

I'm trying to setup a wifi to ethernet bridge on a RPi model 1B (maybe B+, I can't remember) to connect a device with ethernet only to a wifi network. It's a freshly installed system, so latest ...
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24 views

Raspberry PI's wlan0 interface stops working after plugin a USB device

I am working on a project with a raspberry pi 4B, I am building a NAS drive out of a RPI, I have installed samba, hostapd and dnsmasq for my project. The hostapd is installed wlan0 interface and is ...
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1answer
31 views

Ubuntu repositories on raspbian/raspberry pi OS

Im trying to set up a wifi repeater on my pi using an alfa dongle. The drivers are available in both the kali and ubuntu repositories but not in native raspbian. I can find many tutorials for setting ...
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1answer
23 views

How to set up wifi station mode and access point mode simultaneously and keep ZeroConf

I have a raspberry pi zero with raspbian buster OS. I followed this tutorial to set up station mode and access point mode simultaneously, and it works. Question is now I cannot visit my rpi zero with ...
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2answers
39 views

Raspberry Pi4 does not show up on wifi networki

i just bought a pi4 and try to do a headless setup (without monitor, keyboard or mousse). The issue I am heaving is that I don`t see it on the home network after I connect it to the router. I tried to ...
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1answer
19 views

Delete Wifi Credentials from Raspbian cloned image

I have a custom Raspbian image (based on Raspbian lite + some additional software installs) and I would like to clone this image and distribute it as part of an opensource project. How can I delete ...
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1answer
43 views

Is it possible to connect my Raspberry Pi to a hotspot over WiFi, then give that hotspot device an IP on my home network?

I own a dashcam that creates a WiFi hotspot that I can connect to using my phone and download all the footage. However, that is extremely annoying to do, so I want to make something automated to ...
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71 views

My Raspberry Pi 3 B Cant Connect To My New Wifi Router

I Just got a new NETGEAR RAX80 Nighthawk Router and my Raspberry Pi 3 B (not plus) running retropie won't connect to my wifi. I've tried: Making sure my SSID has no underscores. Connecting it to LAN ...
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1answer
29 views

Control Raspberry Pi depending on Wifi-Users

I hope this the right place to ask this. I'm currently working on the following project: I'm creating a "digital dashboard", consisting of a tv and a Raspberry Pi 3B+. The tv just shows ...
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30 views

Pi Zero W loses WiFi Connection when streaming video feed from camera

Background: Pi Zero W with Raspbian 10 (buster) installed. I have a small script that runs a local flask server that streams the video feed from a NoIR Picam at 480p. script and process described here ...
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32 views

How can I setup an automatic network manager popup in Kiosk mode?

I've set up raspberry pi 4 to auto-start chromium on kiosk mode. So far I've been setting up the wi-fi credentials via raspi-config. I would like instead, that once chromium tries to request a website ...
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55 views

“wlan0: carrier lost” untimtly WiFi deconection on raspberry pi 3b+ and pi0 W

I am facing this bug since few days. I am using: Rpi 3b+ or Rpi0W, Buster-lite with last update, Kernel : 4.19.118+ I using Ubiquti WiFi AP and dnsmasq for managing the lan, both working normally with ...
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17 views

Migrating From RPI 3A+ to CM3+ Lite

I'm migrating from the rpi-3a+ to a cm3+ lite because the product I'm making will be very small and the cm3+ is more for industrial purposes anyway. Ive decided for my case I will make a custom pcb ...
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1answer
40 views

RPI 3B+ will not USB boot if wifi stick is plugged

I normally boot my RPI 3B+ from a USB SSD (RaspiOS Buster Lite, may 2020 version), but when I plug an external wifi dongle (Mediatek Ralink RT5370N) it just does not boot and the red LED stays on ...
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3answers
61 views

How can I duplicate an SD card for deployment on another RPi

I need to build about 10 identical RPi Zero W units. I used an existing unit which worked, cloned it in Win32Disk, and plugged that SD card in a new unit. The new unit previously had no issues running ...
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2answers
52 views

DLNA server, ad-hoc wi-fi, and connection with an Android DAC player

After trying different things, I'm stuck on my project. I'm a linux noob, so this doesn't help for sure. There is my project : I want my rpi 3b+ to be a DLNA server for my DAC player with an ...
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27 views

Raspberry Pi 3, Wifi Extender, “Could not set interface wlan1 flags (DOWN): Operation not permitted”

I'm attempting to create a wifi extender out of my Raspberry Pi 3 using this guide: https://pimylifeup.com/raspberry-pi-wifi-extender/ After some troubleshooting, I made it all the way through the ...
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27 views

NetworkManager on Ubuntu Mate keeps asking the password

We recently changed the router and set up the devices and everything worked fine. Except there is my raspberry pi 3 which cannot connect to the new router. It doesn’t show any errors but it simply ...
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14 views

Hostapd won't serve wlan0 when connecting a 2nd phone

I'm using a raspberry Pi ARMv7 Processor rev 4 (v7l) for serving as a wlan access point from my LAN. I've been following the official documentation access-point-routed.md I set the local to CH and ...
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18 views

hostapd: Pi 3 built-in WiFi going up and down every second

I am using a Pi 3 Model B running Raspbian buster and kernel version 4.19.118-v7+. I have been trying to configure it to run as a WiFi repeater using the built-in WiFi (wlan0) which is configured to ...

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