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
89 views

Why can't my Raspberry Pi 4 connect to wireless consistently?

I'm a beginner when it comes to configuring a network through a Linux terminal. I was trying to turn the Pi 4 into a server but at some point, during configuration, I messed up the networking and had ...
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2answers
126 views

Failing during configuration of “Access point as WiFi router/repeater with additional WiFi-dongle” [closed]

I am newbie in this area and I try to follow the instructions of @Ingo from here since days Link I have Raspberry 4B 2GB with on board wifi and additional WIFI dongle "TP-Link TL-WN823N" I ...
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1answer
60 views

Raspberry Pi 3 Wifi Adapter Problems

I have a Raspberry Pi 3, model B+. A few years ago, the wifi adapter started to fail (I sometimes had to reboot it, disconnect it, etc. to get it to work), and finally it eventually died. So a little ...
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0answers
48 views

How do I troubleshoot a Pi with possible hardware failure?

I bought a Pi Zero a few days ago, and I ran Pi Hole for about 24 hours before it went down. After reboot attempts and some other troubleshooting, I decided to plug the Pi Hole SD card into my Pi 3 ...
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2answers
47 views

Prevent automatic connection to open wifi

I am using a Raspberry Pi 2 with a USB wifi adapter (headless setup). The wpa_supplicant.conf file contains authentication information only for my wifi access point, and the pi connects to it as ...
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1answer
52 views

Pi4 Wireless AP: Can't Ping or Forward to eth0

Goal is for clients to connect through Pi4 AP to the WAN. The Pi4 is inside the LAN and wire connected to a router LAN port. After much effort a client can now connect to the Pi4 AP but cannot ping ...
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1answer
306 views

Raspberry Pi 4 8gig Ubuntu server 20.10 wifi power management and interface down

I am trying to get my Pi 4 setup with Ubuntu 20.10 server using WIFI. I have setup the WIFI correctly at the time of creating the image. I know this because I have a RBI 3B+ that I have done the same ...
0
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1answer
29 views

Why Interface wifi Change every reboot?

I connected a wifi adapter, I have a different connection configuration for each one but when restarting the interfaces change, wlan0 -> internal wifi, wlan1 -> external wifi After reboot: wlan1 ...
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1answer
144 views

Hardening RPi4 for persistent 24/7 connection to public wifi [closed]

Edited: Based on private feedback to improve Q specificity. The public wifi is typical of that provided by libraries, airports and other public spaces that re-directs a browser to sign up or login via ...
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1answer
67 views

Raspberry Pi WiFi Hotspot / Access Point

I am a beginner Raspberry Pi user and my knowledge is mainly around software. I don't know the correct terms for what I am trying to do so this may be a duplicate question. Is it possible to connect ...
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2answers
261 views

Raspberry Pi Zero W can't connect to wifi

I have been trying to setup a raspberry pi 0w to connect to my access point but I can't get it to connect. The first thing I did was to enable USB ethernet and make the ssh file so I can connect to it ...
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0answers
45 views

Log file for wi-fi connections

I've set up my Pi as a WAP and captive portal (nodogsplash and hostapd). I need to log connections to it in a log file ideally in JSON or XML. The log file needs to contain the date and time of ...
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1answer
332 views

Install drivers for RTL8812au for raspibian kernel 5.4.79-v71+ / RPI 4

I have been trying for some days now to get an Alfa AWUS036ACS USB adapter installed on an RPI running Buster. This adapter uses the RTL8811au chipset but everyone seems to use the rtl8812au drivers. ...
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1answer
77 views

hostapd failing to respond to DHCP discover nl80211: Frame command failed:

I'm trying to set up a AP by using hostapd and I was unable to even after following the tutorial notes step by step: After running hostapd with dnsmasq The AP gets advertised on the air, but ...
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1answer
98 views

Cannot Ping/ ssh over wifi

I have read several forums and have tried many solutions. I have a new raspberry pi 3 B+. Up to this point I have connected an ethernet cable to remote into my RPi. Now I am trying to use wifi and it ...
1
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2answers
92 views

Pi Zero W not selecting the strongest AP

I just got a pi zero W and I'm trying to run it on my home wifi which has two access points (EAP245). However, for some reason, the 0W insists on connecting to the AP with the lowest signal, not the ...
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1answer
158 views

How can the Pi Zero (connected over WiFi) be set as the DNS resolver for your WiFi router (instead of say 8.8.8.8)?

I'm an experienced SO'r but am a Pi n00b so please forgive my ignorance if you will. I badly want a low-effort Pi-hole. A Pi Zero seems the optimal setup for it except that I can't see how what seems ...
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0answers
90 views

Switch between Wifi networks based on signal strength from a python script?

I have followed a tutorial on Switch between wifi client and access point without reboot in order to write a python script to make it possible to change the Raspberry Pi mode from wifi client to ...
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2answers
114 views

OS image with ssh enabled

My Raspberry Pi appears to boot but there is no HDMI output. I’ve tried various troubleshooting steps but with no success. Before I go down the route of buying another Pi I was wondering if there’s an ...
0
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2answers
317 views

Send data to pc over bluetooth or wifi

I am working on a project where i have a motion sensor connected to a arduino connected to a raspberry pi and when the motion sensor detects movement i turn of my Windows pc. I want to connect the ...
1
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1answer
935 views

RPI4B Ubnutu Server 20.10 wifi setup

I recently installed Ubuntu Server 20.10 on my RPI 4B and cannot get wifi to work. I followed the instructions here, here, and here. When I attempt to setup wifi via wpa_supplicant (the last link) ...
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2answers
129 views

how to transfer file between two RPI over Wi-fi?

Hello I received two Pi 4 for Christmas. It is the first time I use RPI, I have succeeded to turn them on and to connect them to my local wifi ! I am a a beginner and I wanted to start with a simple ...
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0answers
30 views

Max. data-transfer-rate for RPi 3 over Wifi

Q1 What is the maximum data-tranfer-rate for the RPi 3B onboard wifi as access point? Q1.1 If it's > 72 Mb/s what does the config for hostapd.conf look like?
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3answers
133 views

eth0 not added to bridge br0

I followed the official guide and it works perfectly for an rPi3 running on buster but fails on an rPi4 running on buster-lite and I can't see why/I can't see the difference. The problem: In contrast ...
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0answers
24 views

Pi access point brilliant (until another pi connects to it!)

just joined and have in interesting issue. I have a Pi3b+ hooked up to my router running hostapd, dnsmasq and openvpn running an airvpn config, it is solid as a rock. It has a static IP on wlan0 192....
2
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1answer
55 views

How to connect the raspberry pi to the internet with the internet from a pc (via an ethernet cable) [closed]

excuse me I want to ask. I am still a beginner in raspberry pi. I have internet connection problems on the raspberry pi. I can remote raspberry with PC using ethernet. and my pc is also connected to ...
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0answers
134 views

Cannot SSH or use VNC (but can ping) [closed]

I can't seem to SSH or connect using VNC viewer from my desktop PC to my pi 4 on raspbian, but I can ping it and connect to it on my other devices connected to my home network. Although unlike other ...
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0answers
24 views

Send SSL certificate after device has connected via WPS

I have a Raspberry Pi (4B) which I'm using as an access point. I want to connect multiple ESP32-microcrontrollers to the access point using WPS. So far so good. But after I've established the IP-...
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2answers
144 views

Raspberry pi gets disconnected everytime I try to update it

I have new Raspberry Pi 4. I am accessing it through SSH, ethernet cable to my laptop and VNC viewer to see the screen as I do not have spare screen. Whenever I try to update the Raspberry pi, it ...
1
vote
1answer
155 views

How many built in antenna does raspberry pi 4B has?

I am doing a project, which requires my using multiple antenna to obtain the CSI using raspberry pi, but I only got one CSI stream all the time, I just wondering how many built in antenna does pi 4B ...
0
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2answers
94 views

Raspberry Pi 4 Rasbian two different wireless networks wlan0 wlan1

Is it possible to have a Raspberry Pi connect to two different WiFi networks? I want the built-in wlan0 to connect to a LAN, and wlan1 (using a USB wifi dongle I have) to connect to the internet. ...
0
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1answer
41 views

Send Messages to Raspberry Pi [closed]

I want to build a gift, similar to the Heartbox with my Raspberry Pi 2 Model B V1.1. My simpler Version will just be the Raspberry Pi with a screen attached to it anywhere in the world with a wifi-...
1
vote
1answer
80 views

Connect to WiFi access point/repeater when uplink is not present

I am trying to configure my Raspberry Pi as a WiFi repeater. I have followed the awesome guide by @Ingo at Access point as WiFi router/repeater, optional with bridge and this works great when the WiFi ...
0
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2answers
51 views

Disable Wireless Access Point to connect to Wifi Network

I've followed this guide on how to create a Wireless Access Point. Now I want to modify the behaviour as follows: If the home network is available, don't create a new network and connect to it. If ...
0
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1answer
256 views

Setting up a raspberry pi as a gateway firewall for security purposes?

so I have a Minetest server and I want to deploy it on the internet through my raspberry pi, so de RBPI acts as a firewall and IDS and all the traffic goes through it. The Minetest server is on my ...
1
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2answers
1k views

How to install Edimax EW-7811UN V2 on Pi 3 Model B?

I'm expecting wlan1 (wlan0 is the onboard wifi), however ifconfig doesn't show any new wifi adapter lsusb Bus 001 Device 009: ID 7392:b811 Edimax Technology Co., Ltd dmesg [ 2230.446927] usb 1-1.3: ...
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0answers
61 views

Android tv box with raspberry pi project questions

Hello i would like to make a raspberry pi 4 android tv box with some requierments. This is what i need to know how to do: -Can connect to cable tv (antenna). -Can stream Netflix and HBO. -Expirience ...
0
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0answers
114 views

Runing pihole when pi acts as wifi repeater

I got my raspberry pi setup as described here It runs as a wifi repeater which creates a new wifi on client side. I want all devices connected on the client side to use a pihole which also runs on the ...
0
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1answer
70 views

RPi4 B as a wireless access point + pop up http page

My Raspberry pi is connected with known WiFi network right now for my application, but if any other person is to use their own wifi network then how do I setup wifi for Pi? So I need to implement wifi ...
0
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0answers
41 views

How to tether LINKZONE 2 hotspot to a Rpi4

I’m using a Rpi4 as a bridge. Rpi4 is connected to the hotspot WiFi wireless. Can I tether the hotspot to Rpi4 with usb and turn off WiFi?
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2answers
95 views

Issue connecting to the WiFi with Raspberry Pi 4

I am running into this issue where I have to run the same command every single time and I need to constantly have the window where I ran the command running to make sure the WiFi is connected. sudo ...
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2answers
446 views

isc-dhcp-server fails on boot on wlan0 interface

I am setting up a DHCP server running on my wireless interface. During boot the following messages show up in /var/log/syslog: Nov 28 07:56:48 pi-w isc-dhcp-server[503]: Launching IPv4 server only. ...
-1
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1answer
415 views

Mount root partition of Raspbian OS on mac? [closed]

Is there a way to mount the root partition of the Raspbian SD card on a mac? I need to edit the dhcpcd.conf file. I had my pi running as a router and IP camera (so I wouldn't need someone else's wifi ...
0
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0answers
23 views

Save ip address of device connected to RPi network

how can I automatically save to file an IP address of a device connected to RPi (configured as a router). Every time a new device is connected to my network I would like to open a file (or create if ...
0
votes
1answer
171 views

Create new secure ad-hoc network

I am trying to create a secure ad-hoc network generated from a pi 3b+ running Buster. I would like to have a password prompt to show up when I try to connect to the network on various devices. Here is ...
-1
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3answers
379 views

How to config static IP on eth0 but keep wlan0 dynamic

I'm trying to achieve two things, but they seem to be contradictory: I want to set a static ip on eth0 to be able to SSH into it from my Windows 10 Laptop via Ethernet cable. (I take my Rpi on the go,...
1
vote
2answers
55 views

Can I setup a Rpi Zero W to prefer the USB wifi dongle instead on the embedded wifi?

I have an RPi Zero W, on which I want to use a Wifi dongle to have better reception. I can see my dongle, the drivers are recognized and I can scan with it, but Raspbian (stretch) seems to stick to ...
0
votes
1answer
89 views

Raspberry Pi keeps disconnecting / restarting?

I've looked around here but couldn't find an answer that worked for me and I tried quite a few different things. dmesg, tail -f /var/log/syslog, etc. I've also checked my security options are just ...
1
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2answers
296 views

Reset predictable Network Interface Names

I have a RPi 4 8GB with the latest Raspberry Pi OS. I have two Wifi-Interfaces: Onboard wifi (first wlan0 -> now wlan1) usb wifi (predictable name wlx00c0cXXXXX) The Onboard wifi named wlan0 till ...
0
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1answer
52 views

Turning off and on ad hoc mode on raspberry pi

I setup an ad hoc network between my computer and a pi for a project which works perfectly but when I have the ad-hoc on I have no access to the internet on the pi. There are times I am going to need ...

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