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

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Linux - On boot do push-button-connect to strongest wireless

I'm trying to configure linux (in this case CentOS) to automatically connect to the nearest WiFi via "push-button-connect". This micro computer has no keyboard or display, so the goal is to hit the ...
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3answers
11k views

'iwlist' -> interface doesn't support scanning (Ubuntu LTS 10.04)

I am using Ubuntu 10.04 (LTS) on a Samsung N150+ netbook. I cannot scan wifi networks using iwlist and I would like to do so. Here is the output from some tests: ...
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1answer
2k views

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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12 views

Correctly populating wpa_supplicant.conf from iwlist scan results [duplicate]

I am wondering how I can tell that my wpa_supplicant.conf file is both sufficient and valid. When running iwlist scan outputs ESSID:"wifi" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.412 GHz ...
2
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1answer
170 views

Wireless network bridge

I am trying to create a network bridge to allow virtual machines to use my wireless card to connect to my home network. My plan was to do something like: iw dev wlp12s0 set 4addr on brctl addbr ...
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254 views

DNS suddenly stops working for a particular network on a particular machine, DNS_PROBE_FINISHED_BAD_CONFIG

I'm staying somewhere for a while where there are two wifi networks. One's mediocre, one sucks. The mediocre one worked fine on my HP machine with a Realtek card running Mint for several days. ...
2
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1answer
12k views

rtl8723be Realtek Wifi-Card driver not working on Ubuntu 14.04

I installed Ubuntu 14.04 on my new Lenovo G50-70. The wifi works perfectly in windows, however it behaves strangely on Ubuntu. It is slow, doesn't load heavier sites at all, and after a while, ...
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1answer
62 views

set network manager dns in ubuntu

I have Ubuntu 14.10. When I'm at work I can browse the internet without problems. Now that I'm at home, I can connect, but I'm not able to browse the web. Some informations: the output of ifconfig: ...
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1answer
14k views

Fedora 20: Failed to start LSB: Bring up/down networking

I'm trying to restart my networking service in Fedora 20, and I get the following error: [dev@localhost das]$ sudo service network restart [sudo] password for dev: Restarting network (via ...
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2answers
616 views

Lenovo Thinkpad T440s Fedora 20 WiFi authentication problem

In some WiFi networks, consistently in hotels so far, my computer cannot connect and prompts that authentication failed, when the password is correct. This is a very annoying problem that I don't know ...
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2answers
7k views

Why airmon-ng does not create a monitoring interface?

I am running a Kali Linux in a virtualbox. I want to test the security of my wifi router with airmon-ng etc. When I run airmon-ng start eth0 Kali should create an additional interface. However it ...
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3k views

nl80211 not found

Environment Linux 3.0.8 compiled for ARM FriendlyARM mini210s I cross-compiled iw for an ARM board (friendlyARM mini210s), when I installed the utility and ran it, I got this message: # iw --help ...
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1answer
63 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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2answers
80 views

Internet through wifi

I am renting a place that only provides internet through wifi. My laptop has no problem connecting, but my desktop doesn't have a wifi card. I have a Linksys WRT54GX4 router. Is it possible for me to ...
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2answers
259 views

use only one wireless card to connect to wifi network and share internet through wifi at same time

Is it possible to use only one wireless card to connect to other wifi network to access internet and share the internet to other devices via same wireless card at same time ? No! I didn't mean ...
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0answers
64 views

Wireless driver issues. Install and switch to different one

Laptop is a macbook pro late 2011 with Broadcom BCM4331 wireless card. OS: crunchbang 11 I currently have bcmi-pci-bridge driver running (It was running out of the box, did not install it). I'm ...
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1answer
120 views

Wifi Connects in Kali not in Mint

I have a Dell Latitude D830 with a built in wifi adapter. I currently have a dual boot of Kali and Linux Mint. In Kali, I'm able to see and connect to wifi. In Mint I'm able to see and attempt to ...
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1answer
247 views

wpa_supplicant nl80211 hangs linux mint frequently

My Linux Mint system (17 Cinnamon, lenovo g565) hangs up frequently during work (say, 2-4 times a day). It may look different - white screen, black screen, screen freeze. Checking syslog after hangs ...
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592 views

Broadcom driver on Kali Linux

I recently installed Kali Linux, switching from Scientific Linux. The only problem is my wireless driver, which doesn't want to install at all. lspci -nn | grep Net : 02:00.0 Ethernet controller ...
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1answer
399 views

How do I install wpa_supplicant on bare embedded (ARM) linux (3.0.8)?

Environment FriendlyARM mini210s Linux 3.0.8 armv7l Cross-compilling I need to install wpa_supplicant, how do I do that? Shall I get the source for wpa_supplicant and place it somewhere in my ...
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0answers
185 views

WIFI connected but not working in Lubuntu

I'm new to Linux in general and I have had difficulty with some wifi connections. Some work and some don't. When I look under edit connections everything looks the same and I am left rather puzzled as ...
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0answers
36 views

Same Wifi names keep messing with connection

I just got a RasPi and I'm looking to replace the Windows PC that's doing the routing job. (To save electricity) What I'm trying to do with it is make it connect to a wifi network using it's bssid(or ...
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1answer
43 views

Slow detection of wireless card

Recently I noticed my wireless card isn't "available" until 60s after boot. When X is ready I run %> ifconfig wlan0 wlan0: error fetching interface information: Device not found Then about 20s ...
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1answer
180 views

Sharing ethernet over wi-fi with Network Manager and dnsmasq

I'm running archlinux with kde desktop. I want to share my enp2s0 connection via wi-fi. So I've installed dnsmasq. Here are some configs: /etc/resolv.conf # Generated by resolvconf search telecom.by ...
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285 views

Wireless connection keeps dropping

A little while ago I installed Ubuntu on my tower because I was getting tired of Windows; but it seems that either my internet router hates Linux, or the driver keeps choking on itself, because at ...
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1answer
268 views

iwlwifi: timeout delays firmware to be loaded

I'm using OpenSuSE 13.2 beta (which runs by the way very nicely). When starting up, my wireless adapter (Intel Centrino Ultimate-N 6300 AGN/Thinkpad T420) delays about one minute... But then it works ...
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0answers
62 views

nm-applet (the little computer) does not show up in my system tray after a fresh install of Debian Jessie Beta 2

I just installed Jessie Beta 2 using the amd64 DVD images, rather than netinst images, and fresh out of the box, nm-applet doesn't show up in the system tray. The little computer right next to the ...
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792 views

How can I fix Wifi with my Broadcom BCM43142 card?

I use Fedora 21 on my new Lenovo Yoga 2 11" laptop. I have a Broadcom BCM43142 wireless card: 01:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01) ...
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0answers
144 views

Problem With insmod command for driver installation

I am trying to install the driver for an EDIMAX EW-7822UAC usb wireless adapter on a system with Linux Mint 17 installed. I get the following error: insmod: ERROR: could not insert module ...
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1answer
102 views

Allow wifi connections only to a local service, don't route to the wired ethernet

I have a Raspberry Pi running Linux (Raspbian) which is connected to my corporate Internet over an Ethernet cable. The RPi also has a wifi adaptor plugged into a USB port. I've been following along ...
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2answers
179 views

How do I get my Virgin Media wireless internet to work on Crunchbang linux?

I am struggling to get my internet to work on Linux. I am able to connect to my wireless internet through any other device I choose but my laptop will not find it. I have tried using the hidden ...
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52 views

WiFi randomly cuts on/off, other machines in the house unaffected

I just recently installed Fedora 20 on my Macbook Pro. I followed the guides on the internet and as most of them suggested, installed akmod-wl to handle my Wifi device. The output of lspci regarding ...
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1answer
2k views

Broadcom wireless card in with Fedora 16

I just installed Fedora as a dual-boot (other OS in Win7) on my Dell Inspiron 1750 and, of course, the wireless card is missing firmware. The wireless card is called Dell Wireless 1397 WLAN ...
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61 views

Can't connect to some WiFis, Linux on Macbook Pro

I just recently installed Fedora 20 on my Macbook, with MATE desktop. Everything is fine at home (WiFi WPA2, connects without any issues whatsoever). Today is my first day back at Uni with the new ...
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18 views

How can I guarantee USB wlan0/wlan1 order? [duplicate]

From doing research, I think I understand that the order of wlan0 and wlan1 ( and so on ) is determined by the order that the USB devices are recognized. My question is whether or not this order is ...
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1answer
273 views

How can I debug my wireless kernel modules that are giving WLC_SCAN errors?

I'm getting this error show up in my system logs: ERROR @wl_cfg80211_scan : WLC_SCAN error (-22) I think it's coming from the kernel module wl, since I'm using a Broadcom wifi card (BCM43142). How ...
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28 views

Changed to another wi-fi network does not connect

I'm always connected to a wireless network in my home from my Ubuntu 14.04 laptop (via routers) Now I am in another place where there's an iMac sharing internet connection. My phone and other's, and ...
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1answer
81 views

Two Wi-Fi dongles bridge and LAN for SSH

I just can't wrap my head around this one. I have a setup with two Wi-Fi USB dongles on a Raspberry Pi (Model B). It runs a Debian-based dist called Raspbian (all updates, etc.). The USB devices have ...
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0answers
101 views

Making a usb wifi device work an a PowerPC Debian computer (iBook G4)

I recently installed Debian Wheezy onto an old iBook g4 I bought second hand. The computer does not have a wifi card installed. After the installation, I have completely updated my software to the ...
2
votes
1answer
74 views

ifup wlan0 causes kernel Oops

on my laptop, when I do ifup wlan0, sometimes I get following call trace in dmesg. Other times, the log looks perfectly normal, and there are no kernel Oops messages. In both cases (with errors and ...
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3answers
29k views

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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6answers
2k 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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0answers
88 views

Wifi configuration failed while using shell script

I am trying to configure wireless network in a Linux machine using a shell script. In this shell script, first I am scanning for all nearby available wifi networks with respective details. After that ...
0
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0answers
209 views

loading ath9k_htc kernel driver fails

could someone please point me in the right direction to get my external wireless stick (TL-WN722N) working on my Xperia Neo (haida) smartphone? So far I've done the following: I downloaded ...
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0answers
2k views

rtl8812au wireless driver installation on Centos 7

I have a fresh install of Cent OS 7 with the Gnome desktop environment. I have been trying to install rtl8812au wireless drivers found at https://github.com/gnab/rtl8812au for my Netgear A6100 WiFi ...
2
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0answers
893 views

odroid/ubuntu - getting wlan to start

Im working with an 'odroid' fanless PC. The latest OS attempt on it is the stock Ubuntu 14.04 that comes with it. Have made some progress getting the networking (eth0) started but am having issues ...
2
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1answer
154 views

iwlist scanning without root privileges

I'm writing application where I need to scan one of wireless interfaces. In the past, my program was run with sudo and I used (in code): iwlist wlanX scan But now I want to allow to run program ...
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1answer
294 views

My Wifi wont work on my Debian laptop

Some Questions from someone new to Debian: I have tried to install some wifi detecting programs,but i don't think the driver is installed... How do i find and install the driver? I have tried to ...
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0answers
138 views

Airport Extreme BCM4331 not recognised on FreeBSD

So I have recently installed FreeBSD 10.1 (now UEFI native!) on my Mid-2012 MacBook Pro. The install went fine, except for one problem: my wireless card wasn't recognised. I looked into bwi and bwn as ...
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0answers
143 views

hostapd - disconnect, reconnect, repeat

Using Debian 7 on an ARM based fanless board. Have installed hostapd and dnsmasq in hopes of setting up a wireless AP. Issue: clients (win7 and android) can connect and get an address but the debian ...