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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3k views

Difference between iface wlan0 inet manual and iface wlan0 inet dhcp in wifi to ethernet router?

I have developed a wifi to ethernet router. Wifi is connected to my home router having internet and ethernet is connected to my laptop( just for testing).My laptop is not getting internet, but it gets ...
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0answers
17 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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1answer
199 views

WiFi AP works, until I change the SSID. How come?

I've followed the excellent instructions at Setting up a Raspberry Pi as an access point - the easy way and have succeeded in setting up my Raspi 3b as a router (Ethernet on the uplink on subnet 192....
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1answer
751 views

Wireless hotspot not working: no wireless interfaces found

Im trying to create A wireless hotspot with my Raspberry Pi 2 Model B+ using a RT5370 Ralink Wifi adapter. Im following this tutorial: https://learn.adafruit.com/setting-up-a-raspberry-pi-as-a-wifi-...
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1answer
33 views

ubuntu server nmcli is not showing ssids

I have raspberry pi 4 with ubuntu server 64 bit installed. I'm trying to connect my pi with another wifi but unable to connect. I used netplan to connect with first wifi successfully connected. but ...
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0answers
10 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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0answers
23 views

Valid IP of my pi

So i downloaded the headless version of raspian performed all the steps right but when i connect my pi to the laptop using wlan cable , and scan for the ip i dont get it, so i troubleshoot the ...
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1answer
2k views

Pi zero w not connecting to wifi

My new pi0w isn't connecting to my home wifi in a headless environment. Here's my set up: $ ifconfig wlan0 wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 ether b8:27:eb:70:cb:b1 ...
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0answers
20 views

WLAN symbol is ambiguous and looses connection [closed]

I have some problems with my WLAN connection since I changed my network because of a new router. Before its IP was 192.168.9.xxx now it is 192.168.1.xxx Now I loose multiple times a day my connection ...
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3answers
51 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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1answer
32 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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17 views

unable to ping to pi or ssh over wifi [closed]

i unable to ping to RPi or SSH using Ubuntu Server 20.04. over wifi, but router assign ip to wlan0. when i plug the RPi with ethernet then wifi-ip is reachable for ping & ssh. How to resolve this ...
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2answers
3k views

Predictable Network Interface Names inconsistently applied in Stretch

I have a PI 3 B running Stretch, and I have enabled Predictable Network Interface Names, using raspi-config. However, the naming is not being consistently applied. The results of ifconfig are ...
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0answers
26 views

Can't ssh anymore to my raspberry pi 4 [closed]

Here is the situation, I tried following this tutorial https://medium.com/@huobur/how-to-setup-wifi-on-raspberry-pi-4-with-ubuntu-20-04-lts-64-bit-arm-server-ceb02303e49b to connect to wifi via CLI, ...
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1answer
863 views

Raspberry Pi 3 Bluetooth/ Wifi Issues (Tried almost everything)

Here is the situation: Board purchased about year ago. Bluetooth/ Wifi worked flawlessly initially. Stopped working in a few weeks but no hardware/software changes were made. Several different ...
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1answer
40 views

Unable to Connect to Wifi After Earlier Connection

I am very very new to the raspberry pi. I have a raspberry pi 3b+ -- Raspian GNU/Linux 9 (stretch). I have previously used my home wifi. However, upon recent use I have been unable to connect and ...
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1answer
231 views

Error executing ifdown and ifup command

I'm running a python script to configure the wifi interface, but I'm having a problem with the ifdown and ifup command. It looks like this command has been replaced by: sudo ip link set wlan0 down ...
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0answers
15 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
485 views

Wlan0 not able to ping router, but connected to router according to it

My Pi running Raspbian Stretch stopped being reachable via ssh, so I connected a screen to debug why, after turning it off and on again. The GUI was all changed with the annoying message that says ...
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2answers
40 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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1answer
26 views

raspberry pi access point status

I have created an access point on my raspberry pi, now I wish write a python program to check if an access point has been created or not? is it possible to know through command line or python library....
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1answer
7k views

Setting WiFi up via the command line Ubuntu server 18.04.4 LTS - Raspberry Pi 4 Wireless connectivity

I have the Raspberry Pi 4 Model B and my choice of RAM was the 4GB. i don't have internet via the gigabit ethernet at the moment, all i have is my smartphone to share internet via a hotspot (wifi). i ...
15
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3answers
34k views

How to disable wifi in Raspberry Pi 4

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

How to set up the Edimax EW-7611ULB combo Bluetooth WIFI dongle

Although, this dongle works (for awhile), there is a problem with the bluetooth driver. After streaming for about an hour, the driver eats up all the Pi memory and the Pi stops responding. Power ...
38
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3answers
79k views

How do I use the command line to check which WiFi network I am connected to?

I'm doing a headless setup, where we use the Pis in field work (tracking movement of seals via camera in the Cape Cod area), and so we can only monitor it headless, without a separate display (to save ...
16
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2answers
33k views

Access point as WiFi router/repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
3
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3answers
10k 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
17 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 ...
0
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1answer
564 views

Raspberry 3B+ Wi-Fi in access point mode

I have installed the latest Raspbian Light on my new Raspberry 3B+ then followed the tutorial here: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md My system is: $...
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0answers
17 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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0answers
13 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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2answers
69 views

Ethernet for SSH via Offline Router, WiFi Chip for Internet

So, here’s how it goes. I have an old Linksys router which I have my raspberry pi connected to via Ethernet. I SSH to it via my laptop or phone by connecting to my router via WiFi. I want to be able ...
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0answers
15 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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3answers
8k 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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1answer
2k views

Cannot connect android things to WiFi

I've been trying to connect my raspberry pi3 running android things to my wifi. Using the command: am startservice \ -n com.google.wifisetup/.WifiSetupService \ -a WifiSetupService.Connect \ ...
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2answers
1k views

Wifi on raspberry pi blocks incoming connections from the router

I'm having a networking problem connecting to my raspberry pi from the internet through the router. These are the facts and things that I have tried: My raspberry pi is connected by both wlan0 and ...
1
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5answers
53 views

IP address missing from router DCHP table

I've got a 3b+ which I have successfully attached to my WiFi and I can access internet etc fine. I want to set the IP to be static as I am running it headless. I went to my router to do this and it ...
1
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1answer
63 views

Issue with Pi 4 and 1wire

I've got a Pi 4 and went to hook up a couple sensors, the first being a DHT11, it's working fine. The second being a DS18B20, on the 1-wire interface (using the standard GPIO pin 4). The circuit is ...
1
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2answers
197 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,...
0
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1answer
33 views

Cannot see RPI ad-hoc network from android phone [closed]

I installed on RPI zero W a ad hoc wifi network, through this github project: https://github.com/simondlevy/RPiAdHocWiFi I works perfectly with my mac, and my iphone, so I can connect correctly (...
1
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1answer
84 views

Wifi dropping Raspberry Pi 4 (8 GB) [closed]

I run ping -c pi_address and at times get 0% packet loss. But every minute or so, the same command returns 100% packet loss, leading me to believe that the internet connection is unstable on my unit. ...
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2answers
2k views

Run a script when wifi is connected to a particular wifi network?

My Raspberry pi is connected to my home wifi network. This wifi network have a captive portal and hence each time I need to sign in the captive portal to use the internet. Now I am trying to automate ...
0
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0answers
46 views

Raspberry pi 4 - wi-fi only works after dhcpcd restart - related to docker networks on same pi?

I'm having issues with wi-fi on my raspberry pi 4. It doesn't work on start up and I see the message "No wireless interfaces found" - ethernet is working fine at this point. When I run sudo ...
0
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1answer
21 views

raspberry pi connected to wifi but not responding

I am following this tutorial to convert my rpi 4 into an access point. I followed all the steps except installing node, Go and resizing the image. After entering the credentials to my wifi in the ...
1
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1answer
35 views

Creating a hotspot and connecting Pi to the internet over WiFi?

I would like to create a WiFi Hotspot using the Raspberry Pi. It does not have to provide a internet connection to the devices which are connected. But the raspberry Pi should still be connected to ...
20
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3answers
39k views

How to set WiFi network priority?

I understand that I can set up multiple WiFis by adding to /etc/wpa_supplicant/wpa_supplicant.conf (as prescribed in Setting WiFi Up Via The Command Line). Let's say I have two WiFis registered: ...
1
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1answer
312 views

Long range interface between a Raspberry Pi and a smartphone? [closed]

I would like to control a Raspberry Pi 4 with my smartphone (for my drone). Now I'm looking for an interface between the RPi and my Android phone. Requirements: Control with a web interface or app ...
1
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1answer
270 views

Raspberry Pi Ethernet network bridge with separate wireless connectivity

As explained here, I built an Ethernet bridge using a Raspberry Pi 3b+. As an extension, I am now trying to connect it to the internet via the WiFi interface. For that I configured the wireless ...
0
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0answers
19 views

rpi zero wh as a hackstation fittable external wifi adapter

i'm planning on using rpi zero as a remote server, in a hackaton. i'm trying to figure out, which adapter to use with it. will any adapter going to work via the OTG or do i need to find a rpi zero ...
0
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2answers
36 views

Raspberry Pi 4 failed booting and loops error message

My Raspberry Pi starts booting and ends with looping error message beginning with [FAILED] Failed to start Avanced See 'systemctl status hostapd.service' for details. and ending with [DEPEND] ...

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