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

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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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1answer
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How do I find out if my wireless card supports 5ghz?

I have the 03:00.0 Network controller: Intel Corporation Centrino Wireless-N 2200 (rev c4) Hwo do I find out if that card/driver support 5 GHz?
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3answers
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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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4answers
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Is there a way to list the connected devices on my wifi access point?

I have an Angstrom Linux device acting as an access point, running hostapd, dhcpd, which works fine. Can I get a list of devices connected to the Wi-Fi? I know I can get the DHCP leases, but I need to ...
13
votes
3answers
4k views

Can SSH passwords be sniffed out over Wi-Fi?

When you ssh, can the password you enter to connect, be intercepted if you're using untrusted public Wi-Fi (coffee shop, library, airport, etc).
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2answers
35k views

How to find out which Wi-Fi driver is installed?

I know about lsmod, but how do I figure out which driver does what?
12
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1answer
7k views

Linux find WiFi Networks protocol(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 ...
12
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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 ...
12
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2answers
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Use wpa_supplicant without plain text passwords

I'm running gentoo on my laptop, and I'm currently using wpa_supplicant to handle wifi. My configuration works and I can connect, but it is required to type in the plain text password into the ...
11
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4answers
28k views

Arch Linux not connecting to Wifi anymore

I have been using Arch Linux over a month now. I have used wifi-menu to connect to my Wifi Network. I run the command every time I start my laptop. wifi-menu always gives this error when I try to ...
11
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3answers
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Ubuntu 12.04 hotspot wifi network not visible to Android 4.1.2

I'm running Ubuntu 12.04 LTS on my notebook, and I've got a Motorola Razr which I updated to Android 4.1.2. Before updating, I connected my smartphone to my hotspot wifi very quickly, but after the ...
11
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6answers
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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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2answers
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WiFi error wpa_supplicant

I have a problem with the wpa_supplicant program. My problem is about the use of wpa_cli which needs wpa_supplicant. Error when I'm executing sudo wpa_cli: Could not connect to wpa_supplicant The ...
10
votes
2answers
12k views

wlan number assignment

How or where does Linux determine the assignment of a network device? Specifically, wlan0 or wlan1 for wireless USB devices. I plugged in a TP USB wireless a while ago, and it was assigned wlan0. I ...
10
votes
4answers
5k views

wireless is disabled by hardware switch even when not

I have a spartan computer. It has a built-in wireless module that up until recently I've had no issues with. The current problem is this. Everytime I shutdown the computer and it boots back up, I am ...
9
votes
4answers
9k views

Error compiling drivers for Ralink RT2870

Im trying to install drivers for a rosewill RNX-N600UBE wireless card (Ralink RT2870 chipset) on Kali Linux. I downloaded the drivers form their website and unpacked/unzipped them, but now when i try ...
9
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5answers
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Can't access Eduroam wireless internet connection SETTINGS (Linux Mint 17)

In Linux Mint 17.1 and 17.2 Cinnamon I have not been able to connect to eduroam wireless university networks. The reason is that I can't find out a way to enter network settings to change the security ...
8
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2answers
3k views

Is there a tool to display WiFi information in console?

Can I view detected WiFi networks details (like signal strength, encryption etc.) in command line? The more detailed - the better.
8
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1answer
8k 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 ...
8
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2answers
1k views

Measuring internet connection quality

I'm having WLAN trouble on my dualbooting win/linux laptop - the connection on linux side has occasional trouble, and seems somewhat slow and chunky. I would try to fix this issue by fiddling with all ...
8
votes
2answers
328 views

“Pipe” Wi-Fi signal through Ethernet cable

Currently the Ethernet ports in the building I work in are down, but the Wi-Fi works. I have a Wi-Fi-enabled laptop (Ubuntu 14.04 LTS (Trusty Tahr)) and a non-Wi-Fi enabled workstaion (Debian 8 (...
8
votes
1answer
9k 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. ...
8
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1answer
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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 ...
8
votes
1answer
10k views

Where are NetworkManager's WiFi settings stored?

I remember the days of playing with /etc/$WE/wpa_supplicant.conf to try and force a semi-secure network on a debian based system, but now on to xubuntu, I haven't needed to do any *.conf-ing in a ...
8
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2answers
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escape characters in /etc/network/interfaces

I want to be sure that whatever string I pass into the line wpa-ssid "abc" in /etc/network/interfaces won't be used to break out of the configuration. All I can find in the manual is that \ can be ...
8
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1answer
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How to debug repeated Wi-Fi disconnections in Arch Linux?

After trying for a long time to get a wireless connection, I am now able to get an extremely sketchy one (as in a few seconds of actual Internet access every few minutes). Running wpa_supplicant -d -i ...
7
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3answers
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'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: alex@alex-laptop:~/Desktop/...
7
votes
1answer
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Why is VirtualBox Bridged networking slow

When logged into the guest, data transfer (scp) from the host is very slow (<1MB/s). Is this expected? setup: VirtualBox host is Debian Unstable VirtualBox guest is Debian 6 (Squeeze) Bridged ...
7
votes
3answers
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Connecting Linux Mint to WiFi network

I just installed Linux Mint 17 (MATE) on an old laptop and everything works amazing, however I can't seem to get it to connect to my WiFi network. All my other computers can get access, plus, before ...
7
votes
3answers
11k views

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 ...
7
votes
1answer
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Create a wifi hotspot on Gnome 3 / Arch Linux

I'm trying to create a wifi hotspot in gnome shell and Arch Linux. I open "System Settings" > "Network", then I select "wifi" on the LH side and click "Use as Hotspot..." on the bottom. The system ...
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3answers
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Configure OpenWRT as repeater

At home I'd like to configure one of my wifi routers to serve as a WI-FI signal extender. Since my main router is OpenWrt-based (Backfire 10.1.3), I'd like to use it for that purpose. I've looked ...
7
votes
1answer
285 views

FreeBSD systat doesn't calculate upload speed/total on wlan0

When I call systat -if shows that wlan0 out traffic/peak/total are 0 kb(/s). I'm using wlan0 for networking, internet down/upload are working. The in traffic/peak/total are OK. The wifi chip is ...
7
votes
1answer
5k views

Modules for USB wireless adapter missing?

I have an USB wireless adapter that is recognized as: # lsusb ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter. I am using this adapter on a device that has a much slimmed down kernel ...
7
votes
1answer
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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 ...
7
votes
1answer
426 views

Installing USR 5422 on Ubuntu 12.04

I am a newbie to Linux. I was trying to set up the USR5422 USB adapter. It worked fine for the first time, but since then it freezes the computer most of the time. What commands can I fire to see ...
7
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5answers
4k views

Unable to connect to a wifi network with an SSID containing diacritics

My current WiFi network (and i'm writing this with the help of Windows -.- ) has a diacritic in it's SSID: "ö". If changing the SSID is not an option, how to connect to such a network? This does not ...
7
votes
2answers
317 views

Trying to understand Auto reconnect WIFI method

I found this method of reconnecting the WIFI dongle from this post. But, I want to be clear on how it works, before I try and implement it. Go to /etc/ifplugd/action.d/ and rename the ifupdown ...
7
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2answers
5k views

Terminal commands equivalent to NetworkManager's “Use as Hotspot” option

I'm making a gui application which will control my laptop in order to make it act as a wifi hotspot. I may change distributions so I want to find a solution which will work generally for all ...
7
votes
2answers
998 views

AP randomly gets unreachable for the clients while hostapd is running

I set up an old PC as a router using Debian Wheezy, hostapd, dhcpd etc. It has 3 NICs and 1 WiFi PCI card (TP-Link L-WN751ND). The problem is that AP randomly gets unreachable for the clients while ...
6
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3answers
1k views

Command line join of password protected wireless networks in Ubuntu, Arch Linux, or other distros?

Is there a way to join a password protected wireless network via the command line in installations of Ubuntu or Arch Linux with no desktop environment or any GUI installed? Also, could this be done ...
6
votes
2answers
769 views

What is reliable, autoconnecting wifi manager?

openSUSE 11.4, one wifi connection with static IP. Requirements: after autologin connection should be automatically established with defined static IP after connection dropped, manager should try ...
6
votes
4answers
7k views

All commands that should be used to connect to wifi in command line

I would like to switch from gnome to awesome and I would like to connect my wifi network in command line (instead of using gnome tools). So, I searched on the internet and found approximatively the ...
6
votes
1answer
7k views

Using the Wifi of a notebook via ethernet for another PC

I want to connect a PC to the internet via my notebook, which is connected to a WLAN. The setup should look like the following scheme: PC (eth0) -> Notebook (eth0) -> Notebook(wlan0) -> ...
6
votes
2answers
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WiFi not working after restoring from hibernation (authentication times out)

My Intel 6205 wireless network card does not work after hibernating. It sometimes also does not work on boot, failing in the same way. Occasionally, it also stops working after ~10 minutes of ...
6
votes
2answers
10k views

How to find speed of wlan interface?

I'm trying to find speed of network interface using file-descriptor. It's easy to do it for ethX, just calling cat /sys/class/net/eth0/speed. Unfortunately this method doesn't work with wireless ...
6
votes
1answer
64k views

How to use Wireless Network in Virtualbox?

I'm trying to enable Wireless on VirtualBox in my Ubuntu 14.04. I use a Kali Linux as the guest OS, but this OS not show the wi-fi when I connect it. After starting the guest OS, it still does not ...
6
votes
3answers
36k views

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 ...
6
votes
1answer
1k views

Wi-Fi constantly disconnects

Using either NetworkManager or Wicd to manage wireless networking on my Wi-Fi-powered laptop, too often I get randomly disconnected, and I see these messages on /var/log/syslog: Dec 10 05:21:26 ...
6
votes
1answer
8k views

Two usb wifi adapaters, only wlan0 appears, how to get wlan1?

I'm attempting to connect two wifi usb dongles to a debian system, one is to connect to a local lan, the other I plan to use in adhoc mode to connect to a specific device. You could look at this as an ...