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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.

6
votes
2answers
8k views

Access point as WiFi 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
votes
1answer
4k views

Raspberry Pi WiFi to Ethernet Bridge for a server?

I wanted to create a Wifi to Ethernet Bridge on my Raspberry Pi, similar to this one. The problem is: I want to conntect a Network Harddrive (WD MyCloud) to the ethernet side. The Harddrive seems to ...
144
votes
11answers
206k views

Prepare SD card for Wifi on Headless Pi

I need to SSH my Pi over wifi but because it is a model A board (using a usb hub is not possible - ever) and I have no ethernet, i can't configure the Pi to connect to my secured wifi network. I want ...
103
votes
5answers
206k views

How to setup multiple WiFi networks?

I go back and forth from home to school with my Pi. I just got the WiFi working last night at home using wpa.conf instead of wpa_supplicant.conf as the book I was using had the walk thru for that ...
3
votes
1answer
527 views

Access point as WiFi 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-...
4
votes
1answer
2k views

USB OTG Hub does not recognize devices at boot

I have an OTG hub like this sold for use by a reputable dealer for use with the Pi Zero. However, while it shows up in lsusb as an unidentified device with ID 214b:7000: Bus 001 Device 002: ID 214b:...
27
votes
2answers
67k views

Sharing the Pi's WiFi connection through the Ethernet port

I have a pi running the latest release of raspbian and it's connected to the Internet using a wireless USB dongle. What I would like to do, is to share the pi's wifi connection so that any computer ...
1
vote
1answer
739 views

Setting up Wifi direct (wifi p2p) and DHCP server

So I have a fresh pi zero w up and running raspbian stretch lite. How can I enable Wifi direct/p2p where the Pi is GO and where it has a static ip i can connect to, and install/configure a DHCP ...
4
votes
1answer
8k views

Raspberry Pi Zero W as a WiFi repeater

I'm currently trying to setup my Raspberry Pi Zero W as a WiFi repeater, but the kicker is that I don't want to use another USB WiFi card. First of all, is this even possible, and if it is, what ...
1
vote
1answer
2k views

Workaround for a wifi bridge on a Raspberry Pi with proxy arp

I want to bridge the wifi interface with the ethernet interface on a Raspberry Pi so any device on the ethernet port becomes a member of the wifi network. Usually this is done by a bridge (OSI layer 2)...
90
votes
10answers
249k views

Disable WiFi (wlan0) on Pi 3

Got a Pi 3 which will always use ethernet, so trying to figure out how to disable the WiFi such that it does not even turn on after a reboot. If I do an ifconfig I see the wlan0 device. I can do ...
36
votes
7answers
100k views

Using Pi to stream all audio output from my pc to my stereo

My problem is quite simple but I have been unable to find a satisfying solution. Basically, I want my Raspberry Pi to be connected to my stereo and then play any audio output from my computer via ...
22
votes
6answers
14k views

Which model Raspberry Pi I am running?

Is there a way of determining whether the current Raspberry Pi is either a 2 Model B and 3 with Raspbian Jessie Lite 8.0? This is because I have a particular bootstrap.sh written in Bash where it ...
2
votes
1answer
2k views

RPI3 Raspbian Stretch regular connection on wlan0 AP on wlan1

I'm trying to make a very simple setup with my RPi. On the on-board standard wlan0 I want to connect to my home network normally, using a wpa_supplicant file this works very well. Now I'm having ...
35
votes
1answer
71k views

“connect: Network is unreachable” on a working (connected) wlan0 interface

I finally managed to make wlan0 (an Edimax EW-7811Un USB WiFi dongle) connect to my router, but after an apt-get update I discovered that the Raspberry can't see outside the local network. My ...
14
votes
2answers
22k views

Raspberry PI 3 MODEL B - Wireless Bridge to ethernet

I've seen a lot online for a solution to make raspberry Pi 3 into a wireless bridge. But many are old articles to suit the Pi 1 and 2. This is the last article I have seen, and tried: http://blog....
1
vote
2answers
636 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 ...
14
votes
6answers
29k views

How to enable Wi-Fi channel 12 on Raspberry Pi 3?

I need my RPi 3 to connect to a Wi-Fi network using channel 12, but I'm not able to get the built-in Wi-Fi adapter to use this channel. This is what I've done: $ sudo apt-get install wireless-regdb ...
15
votes
2answers
16k views

Enable monitoring mode for RTL8188CUS via USB on Raspbian

I am trying to enable monitoring mode for a USB wifi dongle with the RTL8188CUS chipset on a raspberry pi model b+ (or any raspberry pi for that matter). $ lsusb Bus 001 Device 005: ID 0bda:8176 ...
7
votes
1answer
14k views

Switch between AP and client mode

I am working on a RPi radio project, and I'd like to be able to switch between a "setup mode" where the RPi acts as a Wi-Fi access point, allowing the user to send his/her home Wi-Fi credentials via a ...
44
votes
2answers
50k views

What's the difference between `wpa-roam` and `wpa-conf` in the /etc/network/interfaces file?

I posted a question previously on how to set up a static IP address on the rpi and eventually figured out, along with some others, that the answer was to change wpa-roam to wpa-conf when pointing to /...
9
votes
2answers
22k 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: ...
19
votes
4answers
31k views

Does the BCM43438 WiFi chip in Raspberry Pi 3 support “monitor” mode

Does it support the monitor mode (known from aircrack-ng & co.)?
35
votes
7answers
88k views

Does Pi3 Wi-Fi support 5 GHz and does it need an extra antenna?

I was wondering if the built-in Wi-Fi supports 5 GHz networks? Will it need an external antenna to be attached to work properly?
4
votes
4answers
3k views

Is it possible to trigger 10 (or 100) Raspberries to take photos at the same time using WiFi?

Can a system consisting of 10x Raspberry Pi's, 10x RPi Camera Modules + WiFi dongles be reliably & consistently synchronized over WiFi to take photos at the same time? Or are radio triggers a ...
2
votes
1answer
416 views

Swapping between wifi client and access point?

This question is an extension of the information on this post. This question looks the same as this one but it is not. I am using systemd-networkd. I successfully followed the instructions in the ...
0
votes
1answer
1k views

RPI - wlan0 to wlan1 bridge

I want to make an RPI 3 model b wifi repeater/bridge. I want to make it work without ethernet cable. I've found a few topics and guides but most of them are eth0 -> wlan0 or outdated or simply never ...
6
votes
4answers
14k views

How to disable Wi-Fi Dongle sleep mode

before voting this question down or closing it i know there are allready answers on this here but they do not work for me. I have a Raspberry B+ with wheezy lates version and a Usb WiFi Dongle : ...
4
votes
2answers
16k views

How do I install the drivers for a WiFi dongle with the RealTek 8812AU chipset on Raspbian? [duplicate]

I have recently purchased an Edimax EW7811UTC AC WiFi adapter for use with my Raspberry Pi 3b running Raspbian Jessie with Pixel desktop. This WiFi dongle uses the rtl8812au chipset and the driver for ...
3
votes
2answers
2k views

Raspberry Pi 3 Model B Access Point

I have followed the following tutorial to set up an wifi access point: https://frillip.com/using-your-raspberry-pi-3-as-a-wifi-access-point-with-hostapd/ https://gary-dalton.github.io/RaspberryPi-...
2
votes
2answers
2k views

Eduroam, wpa2-enterprise, wifi connection - Configuration options for the wpa_supplicant.conf file

In attemting to get wifi configured for Model B, I'm editing the /etc/wpa_supplicant/wpa_supplicant.conffile in line with this and this. The network to which I'm connecting is asking me to set the ...
2
votes
1answer
248 views

Can't get wifi working in non-gui environment

I'm having trouble getting wifi working on my new RPi2. It works fine when I run X and use wpa_gui, but it's not working on the console, even when using the configuration saved by wpa_gui. The main ...
2
votes
2answers
6k views

Error on sudo apt-get update

I'm getting the below error when updating raspian. I connect via SSH via putty on the fixed wlan0 ip. Now when i run sudo apt-get update i get errors like below. Err http://raspberrypi.collabora.com ...
1
vote
1answer
1k views

Switching between AP and Client mode

I followed this tutorial to set up my RPi 3 as an Access Point. It works great and I am able to connect through it and I can also VNC to it directly from my phone when in my car (which was the main ...
0
votes
1answer
427 views

Installing wifi network adapter

I am new to Raspberry Pi. I have a headless Pi running noobs on it. The Pi is connected to a router via an ethernet cable and I am ssh'ing into it via wi-fi from a PC. I am following this tutorial: ...
40
votes
7answers
68k views

Cheapest way to controlling multiple power sockets (lights) through Wi-Fi

What I would like to see is the cheapest way possible to control my lights using my Raspberry Pi. What I imagine to control it I build an interface on my smartphone by which I can send commands to ...
41
votes
6answers
333k views

Solving “RTNETLINK answers: File exists” when running ifup

I had this problem when I got my new Wi-Fi dongle and have seen a few people with the same issue. Basically when I have one interface configured and want to swap to the other one, it throws up this ...
17
votes
2answers
36k views

Disable power on Wifi and Bluetooth interfaces during boot?

I have a Raspberry Pi 3 Model B Rev 1.2. I'd like to ensure Wifi and Bluetooth do not get powered on or draw current since the device is using wired Ethernet. According to dmesg, the device is ...
37
votes
4answers
93k views

Add an external antenna to a Pi 3

Makezine's writeup on the Pi 3 this morning included a somewhat tantalising section: The other interesting thing on the back of the board, right next to the wireless radio chip, is something that ...
30
votes
2answers
62k views

How to get Wi-Fi to connect on boot?

Raspberry Pi Model B OS: Raspbian I am running my Pi headless (currently through a direct Ethernet connection). I have a USB WiFi dongle. I would like to have the WiFi start up at boot and connect ...
11
votes
5answers
40k views

How can I put RaspberryPi to Shut down and wake up later?

I want my raspberryPi to shut down during the night and wake up in the morning. I.e., at 10pm raspberry should shutdown or at least turn of the WiFi and the HDD. At 10am every day my raspberry ...
7
votes
3answers
32k views

Connecting the Pi3 automatically to Wifi

My new Raspberry Pi 3 is great, but I am facing one difficulty: my router is in the lounge (one floor down), and my laptop has no Ethernet port. Since I am using SSH to control the Pi, I always have ...
9
votes
2answers
2k views

Can the Pi 3's internal Wi-Fi chip act as an Access Point?

From what I can find, the internal Wi-Fi chip on the pi 3 is a custom Broadcom BCM43438. Is it capable of operating in AP mode?
10
votes
5answers
12k views

How to change a wlan0 mac address?

I bought the Miniature WiFi Module from ADAFruit (http://www.adafruit.com/products/814) and was wondering if it is possible to change the MAC address associated with it. I have tried using the ...
3
votes
1answer
1k views

How do I connect to my router through wifi?

I've bought a wifi adapter for raspberry pi, I don't have an OS, I'm running RetroPie so I need a console solution. Someone suggested accessing: sudo nano /etc/network/interfaces and changing it to:...
0
votes
2answers
6k views

Enable ssh and connect to a wifi network without a keyboard or a screen

This similar question has a lot of answers, none of which works anymore. Given that is already a little old, I'm asking the same quesion, for the current distribution of raspian (jessie 2017-04-10).
3
votes
1answer
1k views

How to correctly restart wpa_supplicant debug with networkd-systemd?

I am trying to debug setting up wifi with networkd-systemd managing wpa_supplicant. The overall objective is to get wifi AP and managed client modes working at the same time. I can get managed ...
2
votes
3answers
22k views

USB WiFi adapter being detected but no connection

I'm having trouble connecting to wifi. I have a fresh install of Raspbian, all packages are up to date. The wifi adapter (Belkin N300 Micro Wireless USB Adapter - model F7D2102) is being detected, ...
2
votes
1answer
2k views

Raspberry PI to PC communication

I am thinking of using Raspberry Pi to share Internet from a PC. The Raspberry Pi would have a Wi-Fi module which would be running in AD-HOC mode. The Raspberry Pi would be connected to a PC through ...
2
votes
1answer
621 views

How do I setup wifi on without being able to login?

I have a laptop, a power cable, an sd card, and a Pi3 (wifi built in). I'm trying to ssh in but first I need to setup the wifi. Where on the boot partition can I setup wifi (cmdline.txt?) with a ...