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

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Setup multiple access points with multiple wifi cards

I've got an old PC with debian on it, which works as some kind of router. It is set up as wireless access point using hostapd. I want to setup multiple access points, one on old wifi card with 2.4hz, ...
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No ethernet/wireless connection after dist upgrade - “network UNCLAIMED”

I did an upgrade from Xubuntu 12.04 to 12.10, and I can't connect to the internet now. When I press the network button on the panel, I see "No network devices available" on top (greyed out), then ...
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How to install D-Link DWA-160 revision B2 with Ralink chipset on Debian Linux?

I just bought a D-Link DWA-160 revision B2. Little did I know that this revision comes with a Ralink chipset. The main reason why I got DWA-160 is because I already have one and I'm pretty happy with ...
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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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How to turn my linux laptop into wireless repeater?

I need to use my laptop to extend the range of my wireless router. I have a Samsung laptop with FEdora19 installed (but those should be irrelevant for a good answer). My wireless card supports master ...
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How can I tell if my wifi dongle has access-point capabilities?

I have a Realtek 8191SU USB wifi dongle for use on my Raspberry Pi. I'm trying to set up a wifi access point using this tutorial. However, I'm running into a few errors, and I suspect it might be ...
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How to fix unreliable Realtek Wireless card on Ubuntu 13.04

I have a Realtek RTL8188CE wireless card and it works fine when I have a strong signal, but if I get even slightly away from the wifi I lose connectivity even though there is a strong Rx signal. I ...
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Linux Mint 15 WiFi hotspot options

I'm trying to configure a hotspot in my Linux Mint 15. There are no specific manuals for 15, but I found this video which describes hot to make a hotspot in Mint 14. Creating it in Mint 15 not much ...
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How to connect to Wi-Fi network in Arch Linux?

tl;dr After reading the Arch wiki articles on installation, wireless setup and WPA supplicant, trying the suggestions below and a host of forum threads, I'm unable to get either of the following cards ...
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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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“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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How to bring up a wi-fi interface from a command line?

I can't figure out how to properly bring up the wi-fi card on my laptop. When I turn it on and issue $ sudo iwconfig wlan0 txpower auto $ sudo iwlist wlan0 scan wlan0 Interface doesn't support ...
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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, ...
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255 views

recurrent loss of wireless connectivity

My wireless connection is frequently terminated (reason unknown). I can remedy the problem either by rebooting or by unloading and reloading the kernel module for my wireless network interface ...
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1answer
758 views

How to sign into an open Wireless Network?

I'm running Arch Linux on my netbook. My school have an open Access Point and we must sign into the network via a page which we are redirected to when we try to open whatever website if we are not ...
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1answer
83 views

Best way to find the active wireless device

Of course I know the command: iwconfig which lists devices (and gives info about whether they have a wireless connection). For the purposes of a shell script, I'm really wondering, is there any way ...
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1answer
3k views

Offline install wi-fi drivers on old PC using Linux Mint 15

I want to use wi-fi connection on my old notebook on which the Linux Mint 15 is installed, but I can't because it doesn't see any available installed drivers on it. I have searched many website and ...
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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
193 views

How do I test the performance of my Wifi access point?

I have a home wifi access point consisting of a small Intel board with Atom CPU, 4 GB of memory and a PCI wifi card. Everything works fine, only that I experience major lags during playing of computer ...
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515 views

Mobile Broadband disconnects as soon as connected - Crunchbang

For months now my mobile broadband (GSM) stick has worked with Crunchbang. Yesterday it stopped. When I plug it in, it appears in the network manager and I can connect to it, but as soon as it is ...
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59 views

Ping wireless interface from wired interface

I'm performing some wireless measurements. The setup I'm now using is composed of a WiFi AP and two laptops. One laptop (A) and the AP are connected to a common switch, while the second laptop (B) ...
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1answer
258 views

RTL8180 kernel module freezing with Realtek RTL8185L chipset

I've recently purchased a PEAK wireless PCI board. I needed a card with removable antenna capability to test a high gain antenna that I had laying around. Went to my local hardware store and I got ...
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wpa_supplicant connection issue: iw dev wlan1 link shows connection, but network unreachable

I've been testing a Wifi card in my machine and I can't seem to get it to connect to my home router. The card is a ralink rt37, I compiled the modules that I needed into the kernel and downloaded a ...
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547 views

Linux Mint Wifi

I'm running Linux Mint 15 Xfce on a Compaq Presario desktop from 2009. I can't seem to get the wifi working. Rather than ask a general question, here's a simple question: If $ iwlist wlan0 scanning ...
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AR9485 Wireless Network Adapter with Linux

Lately I change my VivoBook 500ca for Linux. I installed the latest Mint Cinnamon. I have been having some problems with my wireless card : description: Wireless interface product: AR9485 ...
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Store password as hash in wpa_supplicant.conf? [duplicate]

This question is very much related to this one. I want to log into a user and password protected wifi which uses PEAP and maybe MS-CHAPv2. My wpa_supplicant.conf has to contain an entry like this: ...
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1answer
2k views

Having Wirless adapter problems in BackTrack 5 R3

I am trying to get a wireless connection on BackTrack 5 R3, but as soon as I boot up the BackTrack VM, the light on the adapter turns off. Drivers are installed and the VM detects the USB device. I ...
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263 views

How do I debug strange wireless problem

I have a problem with my wireless connection, which drives me nuts. I have been testing with two different wireless usb adapters, one based on the ar9271- and the other rtl8192su-chipset, but they ...
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1answer
167 views

Where does Linux store logs of WiFi networks when searching? Does it at all?

For research I wanted to try and keep a log of all the networks that my laptop sees (not connects connects to, but just gets a response from when searching) over a period of time walking around. I was ...
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1answer
435 views

How to restrict output of iw dev wlp3s0 scan?

I am trying to configure a wireless network on a newly installed Arch Linux. The command iw dev wlp3s0 scan gives information about all the found networks. I only need the information about my SSID.
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Wireless driver crashes when I'm too close to Access Point

This is the opposite of your usual WiFi problem: my signal strength is too high, now too low. Ever since I upgraded my access point to an Asus RT-AC66U, the WiFi driver for my Lenovo Y480 crashes ...
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B.A.T.M.A.N. working with cable, not with wireless

I'm creating a mesh network with B.A.T.M.A.N.. The version is 2011.4.0 in host A, 2012.3.0 in host B. I've setup the network as explained here. I can ping bat0 interfaces if the connection is done ...
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wpa_passphrase must be 8..63 characters

I'd like to connect to wireless network via command line in Linux. When doing it I've stuck with this issue: $ wpa_passphrase NETWORK_SSID NETWORK_PASSWORD Passphrase must be 8..63 characters The ...
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1answer
4k views

Hotspot and Internet access together — why not?

If I try to set up an hotspot in GNOME, I get the following message: If you have a connection to the Internet other than wireless, you can use it to share your internet connection with others. ...
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Wifi-Hardware seems not to be enabled

in my MSI Wind-Box DC 110 I have this Wifi Chip: RTL8188CE (says the sticker on the chassis and the vendor told me that they are sure the device is implemented) and I cannot connect to any Wifi - ...
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1answer
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Installing RTL8723AE Wireless LAN drivers on a machine with no internet connection

I've bought a netbook with a Realtek RTL8723AE Wireless LAN card, which functions, when I run Windows 7. I can access the Internet only via wireless networks. Now I want to install Linux on my ...
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1answer
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WiFi / WLAN: WPA2 authentication appears to be successful, but dhclient won't get a response

I'm trying to use a USB WiFi adapter to connect to a wireless router. I assume the adapter is brought to life with the correct driver, because # iwconfig gives some reasonable output: wlan0 IEEE ...
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696 views

Install BCM 4365 drivers in Backtrack 5R3

I have recently installed Backtrack 5 R3. When I try to run: sudo apt-get install bcmwl-kernel-source I get the following error: Error! Bad return status for module build on kernel: 3.2.6 (x86_64) ...
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1answer
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Slow wifi on Intel N 6235

I have extremely slow wifi connection on my linux mint. The network controller is Intel Corporation Centrino Advanced-N 6235 (rev 24). I found on the ubuntu wiki a fix: sudo rmmod iwlwifi && ...
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Problem with wifi in Ubuntu

I'm not able to see (or access) my WiFi in Ubuntu. tharcisyo@tssd:~$ iwlist scan eth0 Interface doesn't support scanning. lo Interface doesn't support scanning. wlan0 Failed to read ...
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2answers
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Setting up CUPS and Brother Wireless Printer

I am running Fedora 18 and have CUPS and the brother printer driver and CUPS wrapper (provided by brother) installed on my machine. The printer model is the MFC-255CW. This printer works seamlessly ...
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Using multiple NICs for faster internet?

My laptop have a ethernet card and a wifi card. Ethernet line have maximum download rate at 1.5MiB/sec and wifi is over 1MiB/sec too, but it seem only have one NIC can working at a moment (if I turn ...
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1answer
878 views

Fatal: Module ndiswrapper not found

Getting the following error message: Fatal: Module ndiswrapper not found Problem is I did install the ndiswrapper module. I even uninstalled and re-installed it. Still nothing. Any reason? On ...
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2answers
502 views

NetworkManager Wi-Fi enablement button unselectable

I have a Gigabyte Q2532 laptop and Enable Wi-Fi of NetworkManager is not selectable. As for the device, here is the relevant entry from lspci: 03:00.0 Network controller: Qualcomm Atheros AR9285 ...
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How can I see the rate of my wireless card?

I am setting manually the bit-rate of my wireless card ! sudo iwconfig wlan0 rate 54M Where can I see if it is applied, because the command does not give any feedback !!!
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181 views

Connecting a wireless webcam and wireless dongle

I must create a wireless connection between a USB wireless dongle (DLink wireless-N USB Mini Adapter DWA-140) and a wireless webcam (DLink DCS-932L). I.e. point to point connection without Internet. ...
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How to prevent wpa_supplicant from connecting to a network

How can I persistently prevent a wireless interface using wpa_supplicant in roaming mode from connecting to a particular open network foo? This doesn't work: $ sudo wpa_cli > blacklist ...
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Arch linux wifi works manually, how to make it automatic?

Running Arch Linux with kernel 3.6.11-12-ARCH+ on my Raspberry Pi. I have a Linksys wifi usb dongle (WUSB54GC v3) that is running and working after I execute the following commands: $> sudo ...
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1answer
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How to confirm/verify WiFi is WPA2?

How do I, from the command line, confirm on the host that the wireless network connection uses WPA2? The wireless router is set to use WPA2 Personal (WPA2 with a pre-shared key) and AES on the ...
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2answers
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How to connect to internet using `nmcli`?

According to this link nmcli dev wifi con a52c60f5-c1af-4d39-8dc8-728bd770bffc password 12345678 name dlink_home should establish the connection, but it outputs the following error when I try to ...