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
2k views

How to setup hostapd as service if “hostapd: unrecognized service”?

I've make and install hostapd from sources on my raspi 2 Raspbian. But how to run it as a service? sudo service hostapd start returns hostapd: unrecognized service In case of update-rc.d: ...
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1answer
560 views

AODV Routing protocol on Raspberry Pi model B ? [closed]

is it possible to run the AODV routing protocol on rpi ?
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5answers
451 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 ...
4
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1answer
823 views

Wi-Fi dongle with RTL8188RU chipset scanning but not connecting

I obtained a ALFA AWUS036NHR with a Realtek RTL8188RU chipset Wi-Fi dongle and I am trying to get it to work on a Raspberry Pi. The device is detected correctly: root@rpi1:~# lsusb | grep WLAN Bus ...
2
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1answer
334 views

Open Elec phantom screen

I was using some of the lesser used features on the RPI Open Elec operating system. Specifically, the Navi-x environment. All features here can have long loading times. After being distracted, I came ...
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0answers
259 views

I have problem in connecting with an open and hidden wifi to pi using GUI and command line

I ensured that the USB dongle is detected by pi using lsusb.On the Current Status tab of wpa_gui. Then Scan and waited for the results . I selected my wireless network and then clicked Connect. The ...
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1answer
548 views

unable to connect to wifi using raspberry pi

I have a wireless router and not a LAN CONNECTION.so i want to connect my wifi to raspberry pi using USB wifi dongle and unable to do it.I have tried doing it using wifi_config but couldnt open the ...
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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
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1answer
1k views

Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory

I'm trying to allow my Pi to connect to a public Wifi network with no password, but I can't seem to get the wpa_supplicant.conf file right. Here's the file: ctrl_interface=DIR=/var/run/wpa_supplicant ...
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0answers
3k views

Dhcp udhcpd is not starting on boot

Raspberry Pi was configured as WiFi AP with static IP. Dynamic IP allocation is done by using udhcpd server. However dhcp server is not starting on boot after I added to /etc/rc.local following line: ...
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2answers
358 views

Not booting when wifi is plugged in

Everything was working fine a few months ago. I picked up my raspberry again and wrote the new raspian image on de microsd card. Then came the problems: The raspberry was very slow and got several ...
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2answers
14k views

Problem in connecting to Wi-Fi ,what is PSK?

When I am configuring Wi-Fi using "wifi_config" in Raspbian OS, there is a field called PSK which I should complete and I don't know what PSK means. Can any one help me in resolving PSK and connect ...
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2answers
881 views

SSH to raspberry Pi with Ethernet connection through wifi

I have one internet stick (wifi dongle). Can I set my Pi and computer up in a way that when I connect my Pi to my computer through an Ethernet connection, I can remotely connect to the Pi with the ...
2
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2answers
2k views

TL-WN725N not working

I bought a Raspberry Pi and a TL-WN725N Wi-Fi adapter ("supposed plug and play"). I tried different guides/tutorials to set up wifi dongle, but I did not manage to install it. Especially (UPDATE) ...
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3answers
7k views

How do I connect a raspberry pi to a hidden network with no passkey using a static ip address

I am connecting a raspberry pi to help a friend of mine. The wifi network it needs to be on is on a hidden SSID that has no password for WEP or WPA (security is done through other means), and it needs ...
2
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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 ...
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1answer
895 views

Running Google Now on Pi - possible? Or use Windows 10 Cortana?

I'm new to Raspberry Pi and I was just wondering if it's possible to run Google Now using one. I was hoping to put a Raspberry Pi (with WiFi, a microphone and speaker) in a case and have Google Now ...
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2answers
349 views

How to configure pi to preferentially choose network adapter on startup on Raspbian?

Overview One of the systems I am currently developing involves connecting a lot of Pis (>40) to a network and then interfacing with them simultaneously from a single host machine on the network using ...
1
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1answer
82 views

Wifi Problem with a B but not a B+ on Google Fiber

I have several Pi's running the latest version of Raspian. I have just converted my internet to Google Fiber (which has both 2.4 and 5.0). The B+ models are not having any problem with the wifi. ...
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3answers
872 views

RPI 2 B freezes when Wi-Fi dongle is inserted and doesn't detect it

I have an RPI Model 2B running Raspbian that works (almost) perfectly. I recently bought a TP-LINK WN725N V2.0 that I thought would work if I followed the instructions listed here. However, when I ...
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1answer
162 views

Best wi-fi dongle for routing [closed]

I want to make a TOR router from my B+. If you have a experience in it, what is the best usb dongle for it? I have a lot of problem with my old RTL8191SU, so I need a replacement.
2
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1answer
94 views

Can I host a MineBuilder server?

Is it possible to host a minebuilder server on a raspberry pi? (B Model) Server Program: http://www.space-walrus.com/topic/53/minebuilder-server-program Any help is appreciated.
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3answers
4k views

Are there any wifi/bluetooth combo adapters that work with the Pi?

I am looking for a usb adapter that will support both wifi and bluetooth on a single usb port, are there any that work for the Pi? More specifically, are there any that support atleast Wifi N and ...
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1answer
390 views

Make a dumb TV smart with Raspberry Pi [closed]

I have a dumb TV which doesn't play most of the video formats like mkv or mp4. I want to make a system using Raspberry pi so that i can not only connect my pen drive or external hard drive using usb ...
1
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1answer
86 views

What is needed to set up a Pi as a local server? [closed]

I can find plenty of articles about setting a Raspberry Pi up as a regular server. My goal is to set up a Pi as a local server. A simplified scenario would be as follows: I have a Pi, no internet or ...
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1answer
179 views

What to buy to build a simple robot with Raspberry Pi? [closed]

I live in Pakistan. Here, there is no ebay or amazon so I cannot order things from there. Now tomorrow I am going to shopping out of city and I need some help from the community. Here's the ...
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1answer
4k views

Cannot connect to wifi using wicd-curses

I have just recently purchased a raspberry pi 2 the GUI interface is very different from my other raspberry pi b+ i have successfully connected my other raspberry pi to the internet using the ...
4
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2answers
1k views

Wifi raspberry pi 2 problem

My wifi adapter worked fine with the Rapsberry pi B but when I update to Raspberry pi2 it doesn't work. I'm using wheezy and when I run lsusb I get: Bus 001 Device 002: ID 0424:9514 Standard ...
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1answer
668 views

Use raspberry as audio sink [closed]

I'd like to know if there is a good way to set the raspberry and use it as audio network sink and send streams from wifi devices (win8 pc or tablet, android devices, linux pc). I'm already using the ...
1
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1answer
632 views

wpa_gui no adapters

So this seems to be different than the other issues I have seen related to wpa_gui if I open it from the shortcut no adapters but if I launch it via sudo wpa_gui it will work fine. What do I need to ...
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1answer
4k views

Error “/lib/modules/3.18.7-v7+/build No such file or directory” when compiling drivers for wifi dongle

I'm trying to follow this instruction: $ git clone https://github.com/porjo/mt7601.git $ cd mt7601/src $ make $ mkdir -p /etc/Wireless/RT2870STA/ $ cp RT2870STA.dat /etc/Wireless/RT2870STA/ $ insmod ...
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3answers
3k views

WiFi turns off automatically on raspberry pi

My pi's wireless network go off after 12 hours. I have a cron job which sends some data to a web address each 15 minutes, so the internet connection is always active for my Raspberry pi, and logically ...
8
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3answers
48k views

Problem wpa_supplicant rapsberry pi 2

I've been having lots of problems with the configuration of a wireless stick in the raspberry pi 2 uname -a: Linux raspberrypi 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l GNU/...
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1answer
125 views

Why does my pi disconnect from the internet after leaving it on for a day?

I have recently been having a problem where I leave my raspberry pi on connected to the internet as I am running an a apache server on it and when I come back to the Raspberry Pi about a day later the ...
6
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1answer
24k views

Proper configuration for wpa_supplicant.conf

From my Raspberry Pi 2, I can't connect to my wifi college: sudo ifup wlan0 returns: ioctl[SIOCSIWAP]: Operation not permitted ioctl[SIOCSIWENCODEEXT]: Invalid argument ioctl[SIOCSIWENCODEEXT]: ...
2
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2answers
7k views

wpa_supplicant.conf for android hotspot

I've the following working wpa_supplicant.conf to connect my raspberry pi b+ 3.18.12+ to the wifi: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network={ ssid="...
0
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1answer
726 views

Internet through ubuntu PC

I'm trying to enable internet on RPi but without success. I connected RPi to my PC (ubuntu 15.04) with ethernet cable and established ssh connection. PC have internet via wi-fi. Well, I'm not quite ...
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0answers
74 views

lan card doesn't finds my ssid network name

I currently use my ethernet cable to connect my Pi to the network. From there I ssh to my Pi and use a VNC client to set up my wireless card. I click Menu > Preferences > WiFi Configuration and I ...
2
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2answers
169 views

Why do I have to connect from my RPi via ssh to another device, before I can connect to my RPi from that device via ssh?

I've just completed setting up my RPi (model B) with a Realtek WIFI adaptor, and assigned it a static local IP. After I verified that I had a connection to the internet (checking assigned IP from ...
0
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1answer
441 views

Pi to connect to any WiFi without any command line

Ok, this may not even be possible but I am working with Pi less than a month. So far, I have a running project. I was wondering what will happen, if I give my Pi to a friend (or try to make it a ...
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2answers
1k views

Port forwarding router for outside local network access to pi

First of all i excuse my following bad english, I'm not a native english speaker so I'll try. I have my raspbery pi 2 already connected to internet, but I would like to connect to the pi outside my ...
2
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1answer
271 views

RPi crashes randomly after 1 to 2 days

I don't know what causes it so I write down what I found out so far, hoping it matters: I have multiple rpis installed in my house, all running perfectly, except this one. I exchanged that rpi ...
2
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4answers
14k views

Raspbian wpa_supplicant fails, which service to (re)start?

I'm using Raspberry Pi 2 installed with Raspbian (Debian Wheezy) ~ Release date: 2015-02-16. Every now and then wpa_supplicant dies on me and usually when I'm remote and I cannot do anything other ...
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1answer
56 views

Connecting to a second network after first one is down

I have been working on my raspberry pi. I defined 2 different networks. First one is my home network and the second one is my phone(hotspot). When my hotspot is not available, it connects to my home ...
2
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0answers
81 views

Ethernet configuration not working using DHCP [closed]

My /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp allow-hotplug walnut iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf iface default ...
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1answer
2k views

Is it possible to rename interface name programmatically in raspberry [closed]

I'm using 2 wifi dongles. First one is used to monitor and second one is used to access internet. Even if I changed /etc/udev/rules.d/70-persistent-net.rules as below, at startup wlan0 cannot be ...
0
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1answer
2k views

How to add usb wifi adapter support to android build?

I have kernel version : 2.6.38.8 #9, the output for lsusb is Bus 001 Device 003: ID 0bda:8179. Can anyone help to find correct drivers for this chipset and how to add drivers to kernel ?
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1answer
335 views

Does Adafruit's Wifi adapter work with Ubuntu on Raspberry PI 2?

Does Adafruit's Wifi adapter work with Ubuntu Trusty and Ubutu Snappy Core on Raspberry PI 2? I've tried two other wifi adapter so far and both failed to work on Ubuntu. One also failed to work on ...
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3answers
642 views

SSH into my Raspberry Pi 2@Optimum WiFi

I'm connected to Optimum WiFi with my Raspberry Pi 2 and I'd like to be able to SSH into it from another network and even though it seems like I got public ip address assigned to my wlan0 WiPi adapter ...
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1answer
1k views

Multiple WiFi-Connections with static IP

recently I got my WiFi connection running for my home network. Next step was to improve my script and make it possible to access multiple WiFi networks without always changing my /etc/network/...

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