WiFi is a networking technology permitting the exchange of information through wireless (radio) connections.

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Tips for debugging WiFi on the command line?

I am running Ubuntu 13.10 on a Thnkpad X1 Carbon. My Wifi card is Centrino Advanced-N 6205 [Taylor Peak] I normally connect to open WiFi networks using the commands sudo iw dev wlan0 connect ...
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20 views

dhcpd on two network interface how to?

I have an embedded system that has Ethernet and wifi. I want to setit up in a way that it provides IP to both interfaces. The system uses BusyBox. and I an new in this area. can you provide a sample ...
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1answer
133 views

ath9k 802.11n 300Mbps at low speed

I'm testing my new home 802.11n network. router - slax 7, kernel 3.8.2, AR9382 mini pci-e (sparklan WPEA-121N) wlan0 IEEE 802.11abgn ESSID:"xyz" Mode:Ad-Hoc Frequency:2.412 GHz ...
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105 views

Make error while installing wifi driver offline

I need to install Kali Linux updates without Internet access on my laptop. I think I need to do this because I'm trying to install the wifi driver but I get an error when I try to make: make ...
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127 views

dhcp settings wifi radar linux mint

I am trying to connect to my wifi network. Using the standard connection manager in linux mint 13 xfce was not a good idea. No wifi networks are shown there. and when I left-click on it, the wireless ...
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116 views

Wifi on Fedora trouble

My university's WiFi is particularly unfriendly to Linux, and the only way to make WiFi work is to repeatedly "forget" the network settings for the student network, re-enter all the data about the ...
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1answer
1k views

RaspberryPi drops Wifi connection

I am using Airlink Fully compatible Wireless N 150 Ultra Mini-USB Adapter (AWLL5099) with my RaspPi to get internet. I am also bridging this WiFi connection with an Ethernet cable to provide internet ...
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1answer
380 views

Lenovo ThinkPad s440 network

Does anybody know how to configure wifi on Lenovo ThinkPad s440 on Ubuntu 12.04 LTS? I can't configure it even with LAN. But anyway, wifi is the first thing I need. I can't find any driver for linux. ...
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39 views

Laptop wifi connectivity dependent on other devices being connected (RaspPi Access Point)

I've been trying to setup a Raspberry Pi as a WiFi router using hostapd, yet have encountered a strange issue when trying to connect: Laptop (Macbook Pro 2009) finds WiFi network, yet fails to ...
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28 views

DHCP and WiFi Connectivity

If WiFi Dongle is associated successfully to Access-Point then is there any way to get notification ? I want to run some script (dhclient), if and only if, association is successful. Only way, that ...
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1answer
1k views

How to make Wi-Fi work on Dell Inspiron 14R laptop running Ubuntu 12.10?

I have seen that on most Dell laptops running Ubuntu 12.04 or 12.10, the Wi-Fi doesn't work. It appears the reason for this is the fact that Dell laptops have Broadcom wireless cards. How to make it ...
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31 views

wi-fi working on and off, mostly off on a HP laptop

I have a HP laptop with Intel Centrino 2230 card. The system is Xubuntu 13. Wifi worked fine until it stopped a couple of days or maybe weeks ago. Now it's mostly off with some on episodes. ...
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1answer
39 views

What is the algorithm that the `iw` command uses for choosing an Access Point for a given Wifi network?

Suppose I am in an area with a lot of Wireless AP's for a particular SSID. If I run the command sudo iw dev wlan0 connect <ESSID> How does iw decide which AP to connect to? It does not seem ...
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211 views

Unable to reconnect to a WiFi network on Fedora 20?

Problem After leaving my Fedora 20 laptop running overnight, I open it back up and it prompts me to re-enter the password for my home WiFi network. The password is already typed in and censored, but ...
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1answer
174 views

Adding wlan0 to xenbr0

I'm setting up xen on debian to do some testing and having problems with the bridge. I would like to use wlan0 as the bridge, but can't seem to get this working. Currently I have tried this: # This ...
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3answers
92 views

Best distro for using Google Docs on old computer [closed]

I've got an old computer that had XP on it. It's got an AMD Athlon 1.1 GHz processor, 1 GB of PC133 RAM, a 20GB IDE hard drive, a Belkin wireless card with the RT2560 chipset, and an NVidia TNT2 ...
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2answers
878 views

Fedora 20 - wifi hotspot almost work but something wrong

I have a Sony Vaio notebook with WiFi, and need to setup a hotspot (an ad-hoc one) under Fedora 20. I successfully did it under Debian and SuSE, but under Fedora I am struggling to understand the ...
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30 views

How do I go about removing all my wifi tools in Arch?

My wifi setup is messed up and I keep disconnecting. I want to start from scratch, so I need to know how to thoroughly remove all my wifi tools. I don't want to forget some errant config file and ...
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2answers
780 views

802.11ac Support in Fedora 20 (or any latest linux distro)

I bought a new HP Envy jt100 laptop (with an upgraded wireless card -- 802.11ac). The default OpenSUSE distro doesn't recognize the wireless card! I'm going crazy trying to figure out how to fix it, ...
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87 views

Speed optimize hostapd / wireless backports

I have an ARM9 CPU at 300MHz board with embedded Linux 2.6.32 running hostapd with dnsmasq. For wifi I use the linux-backports with an ath9k_htc usb wifi-dongle. I have tested the wifi-speed from ...
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286 views

WiFi USB stick not recognised by BeagleBone Black

I'm trying to set up a TP-LINK TL-WL725N v2 WiFi USB stick on my BeagleBone Black. However, it doesn't even appear to be recognised, i.e. it doesn't show up in the output of lsusb: $ lsusb Bus 001 ...
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2answers
123 views

Wifi works in local, no internet connection. Debain 7

I installed debain on an old PC, the KDE version. I have internet over wired. I can connect to my router, I and can ping it over wifi - ping 192.168.1.1 is successful. I can ssh into other machines, ...
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2answers
28 views

WLAN: get info about AP

I am troubleshooting WLAN connections from my laptop. I have several possible WLANs to connect to. When connection is established, I am unable to see to which AP I am connected. In my ...
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1answer
116 views

wpa_supplicant: connect to WLAN in the background (during boot)

I am using manual configuration to connect to my WLAN. In my wpa_supplicant.conf, I have something like this: network={ ssid="mywifi" key_management=WPA-EAP ... } and then, in my ...
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300 views

NetworkManager (applet) - After click on network no window or error

I have a problem with NetworkManger, or to be specific with the nm-applet. When I choose the WiFi network I want to connect to nothing happens. The terminal window I opened nm-applet shows some ...
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47 views

Unable to set wifi frequency/channel on Raspbian

Hey I'm trying to configure my Raspberry Pi to connect to my router on channel 8 (2.447G). The WiFi network adapter I have for my Pi seems to be stuck on channel 1. iwlist scan only lists the one ap ...
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1k views

Unable to connect to a wifi network with a special SSID

My current wifi network (and i'm writing this with the help of Windows -.- ) has a special character in it's SSID: "ö", a so-called "umlaut". If changing the SSID is not an option, how to connect to ...
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44 views

extending wifi scan list to 2.3GHz and 10MHz width

How to extend wifi frequency scan list to be able to connect 2.3GHz or 2.5GHz access points? And how to set channel width to 10MHz? Arch Linux. Broadcom and Atheros drivers.
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74 views

Debian: Network connection dropping randomly

I am having an issue with my network connection dropping after a while, sometimes an hour if I'm lucky two. I can regain the connection by running: sudo ifdown wlan0 sudo ifup --force wlan0 when I ...
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42 views

x120e wifi broadcom BCM43224 “unmanaged”

I have a Thinkpad x120e with a BCM43224, Debian (Gnome) reports it as "unmanaged", and won't let me set it up. It worked once, during the install, after an apt-get install broadcom-sta-dkms. Never ...
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Linux find Wifi Networks trotocol(a/b/g/n) version of all available access points

I do use iwlist wlan0 scanning and it gives me a fair amount of data, but one part is missing. It is protocol version. By protocol I mean (a/b/g/n). It would be very good to have these commands in ...
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1answer
421 views

How to enable Broadcom wireless BCM 4313 on OpenBSD?

Is there any hack/tip/trick to make this specific Broadcom Wireless work with OpenBSD? After digging some FreeBSD-wireless threads and OpenBSD-tech/OpenBSD-misc, I noticed that adding the PCI vendor ...
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1answer
781 views

Why does linux-based laptops have weak wifi signal in comparison to windows-based laptop?

I have faced this problem many times. First, I thought it has something to do with laptop model and brand but later I came to know that same hardware with different OS was having different results. ...
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3answers
1k views

scp transfers slow down and stop over local network

I'll often transfer items to and from my laptop on my local network using scp. Often, it seems, I'll see the transfer rate start out right (2.0MB/s), then slowly diminish until the transfer completely ...
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1answer
93 views

my wifi Wireless-N 2230 can't connect occassionally

My wifi Wireless-N 2230 has quite often connection problems. My system is Fedora 18. Below are some logs from /var/log/messages. I can see that it changes "World regulatory domain" from PL to CZ and ...
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554 views

FATAL: Module p80211 not found. RTL8192CUS WLAN regression under antiX 13.1 (Debian Wheezy)

The problem concerns a driver support regression for the RTL8192CUS WLAN chip under antiX 13.1, a Debian Wheezy (stable) based distribution. The chip actually resides in a Edimax EW-7811Un 802.11n ...
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2answers
85 views

Testing which modules are unloaded with modprobe

I'm currently searching for the right driver for my Broadcom BCM4313 network/wifi device. At first no network was recognized at all, now I managed to connect, but the connection is really slow. I ...
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46 views

Is it possible to change the clock frequency of Wifi chip?

Is it possible under Linux to change the frequency of Wifi chips e.g. using Intel driver iwlwifi like we do for CPUs?
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1answer
224 views

How can I make sense of wpa_supplicant's different signal level outputs?

I'm using wpa_supplicant 2.0 on Linux x64 with a USB wifi adapter (rtl8192cu). When I do a scan from wpa_cli, I get wildly different numbers (alternating between positive and negative) even for the ...
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1answer
753 views

Unable to get Wireless working during Arch Linux install

I'm following the Arch Linux install guide here: https://wiki.archlinux.org/index.php/Beginners%27_Guide I'm installing from a live disc. I've just used pacstrap to install the base system. I then ...
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234 views

Equivalent of iwlist to see who is around?

What is the equivalent to: iwlist wlan0 scan to see who (what computers and smartphones) are around me? Maybe putting the card into monitor mode before doing it.
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3answers
287 views

How to detect IP of given device in same network

I have a very typical situation in which I want to connect an (android) phone to a linux notebook in the same (wifi) network using ssh. The IP's are assigned by DHCP so I know only the one of the ...
2
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1answer
514 views

Compilation of my wifi driver (RTL8192CE) fails

I'm kind of desperately trying to make my wifi work on my newly-installed Debian Sid (amd64, kernel 3.10.11-1). The relevant line of the output of lspci is : 06:00.0 Network controller: Realtek ...
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39 views

Wi-Fi disconnects immediately?

I'm trying to connect to a WPA2 network. It works fine (I can connect to things) for about 10 seconds, then disconnects. When I try to connect again, it refuses to connect at all unless I've rebooted ...
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1answer
1k views

b43 wireless driver error

I just installed Arch, and I noticed that my wifi range is very poor. I have to be about 10 feet away from the router for it to work. I also noticed that when I boot, I get this message: Support ...
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1answer
86 views

How to update Broadcom driver in Arch Linux?

I have been having issues with my broadcom wireless driver, and from what I have seen, most people online say I need to update the driver. How do I update the driver? Most tutorials use apt-get but ...
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1answer
805 views

Connecting to wifi network through command line

I am trying to connect to my WEP network just using the command-line (Linux). I run: sudo iwconfig wlan0 mode Managed essid 'my_network' key 'xx:xx:... hex key, 26 digits' Then I try to obtain an ...
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2answers
539 views

“wpa supplicant: No network configuration found for current AP” - carl9170-driven wifi adapter glitching on Debian 7

I've got a Debian 7 machine with Linux3.2 kernel and a USB wifi adapter with Atheros chipset (D-Link DWA-16 Xtreme N Dual Band), which in theory should work. Indeed, I managed to establish a wifi ...
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1answer
423 views

How to disable the 2.4Ghz band wireless adapter

For debugging purposes, is it possible to disable the 2.4Ghz for wireless connections on Linux (Linux Mint 13 LTS, Cinnamon). I.e. to enforce the network driver to establish connections using the 5Ghz ...
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147 views

wireless drops after using it

Recently, I have installed Linux Mint 10 Julia. Everything worked from the beginning (even the external wifi dongle), but I discovered that the wifi connection gets lost after some time. To solve it, ...