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
62 views

Trouble finding Wi-Fi Adapter

I've followed this guide, wich explains to first check if my USB gets recognized by my raspberry by lsusb or ifconfig. I've tried both and this is what I get: ifconfig lsusb So my Raspberry does ...
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0answers
670 views

WIFI dongle extension cable problems

I recently tried inserting a 5M USB extension cable in between my WIFI dongle and my PI, which didn't work, so I removed immediately; but the PI still wouldn't connect following a reboot for ages. ...
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0answers
416 views

WIFI reconnect script with static IP address on my PI

I've recently moved my headless PI to a hard to get at location, and now am having problems with my WIFI connection dropping out. I'd previously installed a script to reconnect the WIFI if it didn't ...
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1answer
138 views

How do I set Raspbian to use the wifi even though the ethernet cable is plugged in?

Currently my /etc/network/interfaces looks like this: auto lo iface lo inet loopback allow-hotplug wlan0 auto wlan0 iface wlan0 inet dhcp wpa-ssid %WIFINAME% wpa-psk %WIFIPASSWORD% allow-...
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2answers
251 views

Raspbian wifi connection problems

My raspberry pi is freaking out. I did the setup right in wifi config, but for some reason it keeps disconnecting and reconnecting over and over again. What do I do?
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1answer
112 views

Wifi dropping on load

I did a fresh install of Wheezy and setup my Pi's to connect with WPA, it works fine but after a while the wireless drops. Seems to be during wifi load aswell as well. I have 2 identical Raspberry Pi ...
4
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3answers
8k views

WiFI connection keeps disconnecting

I have a small USB dongle that I use to connect to the network. For some reason it constantly keeps disconnecting without ever registering a valid IP address. This is what first happens. Then it ...
1
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1answer
2k views

Network Interfaces Plugging skip eth0, skip wlan0 …done. (wlan0 unreachable)

I have set up static Ethernet and WiFi but after rpi-update wlan no longer works. The rpi-update could just be a coincidence though. What happens is that the static IP shows up when scanned with ...
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1answer
130 views

Issue with hard drives, wifi

I had a set up with a powered external hard drive, and a wifi dongle. It worked fine. One day, the wifi dongle decided to cut out—it would restart every time I inserted it into the Pi, and after the ...
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0answers
1k views

Can't connect to WiFi from D-Link DSL-2640B router

I bought WiFi dongle to my RPi and configured it. Brand is not so important, as I had access point from my Android phone and the internet worked on the RPi. However, when I try to connect to my home ...
4
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1answer
8k views

Wi-Fi adapters supporting monitor mode with Raspberry Pi

I have a Raspberry Pi and I want to use it for penetration testing of Wi-Fi networks. I want to buy a Wi-Fi USB adapter for my Raspberry however I don't know which one. I have read a list of Raspberry ...
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1answer
177 views

How do I run a script (that needs WIFI) on shutdown before WIFI is down

I have a script on the PI to shutdown my NAS "shutdown_nas.sh". I have created that script in /etc/init.d according to the instructions in /etc/init.d/README It is symlinked in /etc/rc0.d/...
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2answers
32k views

Can I directly connect to my Pi wirelessly without a router?

I've seen a fair number of internet sites and forums that provide details on how to turn the Pi into an access point or a router. I've also seen that there are plenty of how tos out there on how to ...
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0answers
695 views

Setting up wifi with wpa_supplicant error

I purchased a TP-LINK TL-WN725N usb adaptor to connect to wifi, as I don't have an ethernet cable long enough to reach my router (on a different floor). I've installed the drivers for my kernel ...
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1answer
152 views

Problem with Wifi Dongle

I purchased my Raspberry Pi which came with a USB dongle but when I connected it to my RPi, I went to my Wi-Fi config and entered my password and it didn't do anything yet it said it connected to my ...
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1answer
921 views

Strange WLAN behaviour: unreachable after a while (but still connected)

Ok I came here after hours of useless tries, but I'm quite unfamiliar with linux, so I may be missing something obvious... My Pi runs latest Raspbian and seems to be correctly setup on my home wifi ...
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1answer
260 views

Reload wifi adapter when no internet connection

So it seems that my raspian which is online via a wifi adapter is loosing its connection from time to time. Usually a powercycle helps an everything is back normal. Now to avoid that i would like to ...
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2answers
51k views

WIFI USB adapter not detected

I'm using a WIFI USB adapter : TP-Link TL-WN725N Nano Adaptateur USB wireless N 150 Mbps. I plug it to my raspberry and configured it in /etc/network/interfaces . I added this : allow-hotplug wlan0 ...
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1answer
128 views

For media streaming, WiFi connection requirement on Raspberry Pi

I will connect Ethernet cable from my modem+router to Raspberry Pi. And I will connect external HDDs etc to RPi via a powered USB hub. Now if I want to stream media from the connected HDD, does the ...
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2answers
11k views

bridge eth0 static wlan0 static wlan1 dhcp

I really need some help with the raspberry networking stuff. I try to set up an Access-Point. I want to Access my Raspberry Wifi "Blackbox". After that I want to connect to "box" (192.168.100.2) over ...
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2answers
2k views

Safest way to power a hungry Wifi adapter and the Pi from a single 5V source

My Pi is destined for the skies, so it will receive power at roundabout 5.3V via the BEC (battery eliminator circuit) which will be capable of delivering up to 10A (heavy duty BEC it is), so sourcing ...
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2answers
5k views

/etc/network/interfaces file keeps changing itself - breaking wifi connectivity

After trying to set up a static IP address by changing the etc/network/interfaces file and having it break connectivity following that, I decided to just set it back to default. I followed this post ...
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9answers
27k views

Wifi drops on raspberry PI

I have 3 raspberryPIs and all them are dropping wifi connection after sometime. Wifi chipset is Ralink RT5370 Tried power supply with 1000A and 1500A Power management is turned off. ifconfig gives ...
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3answers
521 views

How to install usb wifi on rpi

I have been trying to install this antenna on the pi but when I failed, I tried modifying the /etc/network/interfaces file via sudo nano /etc/network/interfaces to iface wlan0 inet dhcp wpa-ssid "MY ...
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1answer
2k views

Trying to get wifi working on brand new Raspbian installation

I just installed Raspbian Wheezy (2014-01-07-wheezy-raspbian.img) on my Raspberry Pi, connected it to my AirPort with an ethernet cable and booted it with this wifi dongle (Sitecom N300) inserted: As ...
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1answer
455 views

RPi sees my usb wifi dongle but doesn't see any APs

I have been trawling the net for days trying to get my RPi up as a Wi-Fi access point but I keep hitting the same problem, the dongle sees nothing over the air and nothing sees the dongle. lsusb sees ...
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1answer
977 views

RTLWIFI drivers without a custom kernel?

According to multiple sources, the only way to get a USB wifi based on the RTL8192CU chipset into monitor mode is to use the RTLWIFI driver, instead of the stripped down driver that ships in raspbian. ...
4
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1answer
2k views

Routing ethernet connection over WiFi [duplicate]

I have a situation which requires routing the connection from wlan0 to eth0 over the same network. The reason behind this, is that I would want to be able to connect to a device connected to the RPi ...
4
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3answers
8k views

WiFi AccessPoint bridged to LAN transparently

I have a PI with WiFi dongle and I would like to make my PI additional WiFi Access Point. I’ve already had WiFi AccessPoint, but there are some places in my house where signal is very poor. ...
8
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4answers
10k views

How to have wifi connected raspberry pi control an arduino?

I have an arduino uno that needs to respond to an iOS application with the internet being the medium. My initial plan was to use a wifi shield for the arduino, but since I can't get one at this time, ...
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2answers
8k views

WPA_GUI can't load wpa_supplicant, sudo ifup wlan0 -> Ignoring unknown interface wlan0=wlan0

New to raspberry pi, no idea how to troubleshoot this problem. Could it be a hardware problem? http://pastebin.com/LFpcBZVB /etc/network/interfaces auto lo iface lo inet loopback iface eth0 ...
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1answer
691 views

Raspberry Pi Internet Bandwidth with WiFi dongle?

Is there a command line utility I can use to quantify my up/down speeds? What is typically the bottleneck? The processor? The little USB dongle? I'm using this WiFi dongle: https://www.adafruit....
36
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1answer
77k 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 ...
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1answer
628 views

RPi as wifi hotspot problem

I need to connect my android mobile phone to my RPi through wifi so i did some search online and found this tried both the automatic way and the manual one provided in the link, and the RPi started to ...
44
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7answers
371k 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 ...
10
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5answers
15k views

Cannot SSH to Raspberry Pi via WiFi only

I am having trouble connecting to my Raspberry Pi over SSH when it is connected through WiFi. When the RasPi is connected through Ethernet everything works fine. However, when it is connected through ...
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1answer
577 views

ifup wlan0 once an hour using cron?

What will happen if i do a ifup wlan0 using cron once every hour? Will it cause problems if the wifi is already up?
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3answers
703 views

Not able to connect my netgear WNA1100 wifi adapter to my raspberry pi

I am trying to connect to internet using my Netgear WNA1100 dongle but when I connect my dongle my Ethernet goes off and the Raspberry Pi does not connect to the internet. I have tried making both ...
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2answers
1k views

Raspbian - With Wifi Dongle connected with internet, but no ssh

I have a strange problem. The szenario is the following: I have two Wifi dongle1 and dongle2. One is used to connect with the internet, and the other shell be used as AP. When I only had dongle1 ...
30
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2answers
63k 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 ...
2
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1answer
1k views

Wi-Pi High Latency

Model B, Raspbian, Wi-Pi vs Macbook Pro Setup Both devices are sitting right next to eachother Connected to the same router. traceroute is the same for both Even typing on the Pi via SSH feels ...
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1answer
1k views

Install TL-WN725N in Raspbian [duplicate]

Im new user of python, raspbian and raspberry pi. I would like to install new wifi adapter into my raspberry. But unfortunately, I not really understand and there's no proper instruction to install ...
0
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1answer
1k views

Problem trying to compile Logilink WL0084B drivers

I'm trying to setup my raspberry pi to be a multimedia center, using raspbmc. I've installed the OS to the card and configured it on the first boot. Currently I'm accessing it through wired ...
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3answers
518 views

Is it a feasible idea to use a Raspberry Pi as a wireless router?

I was thinking of using a Raspberry Pi as a substitute for my wireless router that is coming to the end of its lifespan. The wireless adapter would be a dual band usb 2.0 adapter supporting up to 802....
4
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1answer
1k views

WiFi not working in new user account (WiFi works under default Pi account)

I have created a new user account as I dont want to use the default Pi account. Now under my new user account, the WiFi dongle isnt detected (in wpa_gui program the Adapter and Network dropdown lists ...
0
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1answer
387 views

Controlling the Pi by an Android phone through a webpage

I want to control my raspberry pi from my android phone using a webpage that I will create myself, the idea is that I'll write a program both for my phone and for my raspberry pi. Then Pi will then be ...
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2answers
2k views

Packet sniffing with channel hopping using scapy

I have set up scapy on linux (raspian on RPI) for sniffing WiFi packets using WiFi adapter (b/g) in monitor mode. I am not sure if scapy by default hops on all the channels of the b/g protocol, or ...
0
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1answer
264 views

Pre-config Raspbian on Model A for WiFi [duplicate]

Still trying to parse this: https://raspberrypi.stackexchange.com/questions/10251/prepare-sd-card-for-wifi-on-headless-pi I have Mac laptops (older 2008 Macbook and MBA 2011) that I'm trying to use ...
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2answers
856 views

WiFi USB adapter for monitoring on the cheap [closed]

I want to buy a WiFi USB adapter which would allow me to monitor the packets using tshark, and it should preferably be cheap. I'd also want to know if there are cheap WiFi USB adapter with antenna ...
2
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3answers
3k views

Configuring Rpi as a Privoxy-protected Access Point

I am trying to configure my Rpi as a privoxy protected access point for all devices connected to it. I was successful in configuring the Rpi as a wifi access point and I successfully installed and ran ...