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Questions tagged [wifi]

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

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Debian refuses to switch to a different WiFi network

I have multiple WiFi networks in range that are set to automatically connect when available, in case one fails. Whenever I try to manually connect to one of them while being connected to another (for ...
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1answer
16 views

changing wifi password over SSH on wifi-only headless server

I want to change the password for my wifi network foo. I've got a raspberry pi connected to foo. I only use SSH to talk with it. The pi is headless, and it isn't convenient to attach a monitor+...
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0answers
20 views

How do you connect directly to wifi access point without scanning? (wpa_supplicant)

How do I connect to an Access Point using its BSSID, SSID, and channel without scanning the network. I always connect to my home ADSL-wifi-modem and don't need to scan. Instead what I'm seeing is ...
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0answers
66 views
+50

Hostapd on a Raspberry Pi 3 with external WiFi card

I am trying to set an AP on a Raspberry Pi 3 using an external USB WiFi card and hostapd and dsnmasq. I have managed to achieve it using the internal WiFi card but when I try to switch to my external ...
2
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0answers
32 views

Network Switching

Is it possible to switch between Wireless and Wired Connections when both are connected without switching off either one of the two connections in Ubuntu 18.04? The thing is that when I want to ...
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0answers
46 views

Can't control txpower on kali linux

I am having trouble with changing txpower of my wifi card with any command. Card itself works fine (it can connect to networks and I can make hotspot without any problems and system by itself can ...
3
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1answer
52 views

Internet speed very slow in Linux but not in Windows

On Windows, downloading a 500 MB file takes less than a minute, but on Linux it is taking nearly half an hour. Why is my internet speed so much slower on Linux than on Windows, and what can I do to ...
13
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7answers
2k views

Naming convention standard for Ethernet and Wi-Fi interfaces on Linux machines

What is the naming convention standard for Ethernet and Wi-Fi interfaces on a Linux machine? We are developing a tool that should show only the Ethernet and Wi-Fi interfaces of the Linux machine and ...
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0answers
36 views

Counting the number of re-transmission for a single UDP packet transmission in IEEE 802.11

I was working with a client-server project based on UDP and 802.11 as a link and physical layer. There, the client was trying to probe some packets in the wireless channel to gauge channel condition. ...
1
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1answer
70 views

Connect to wifi from command line on linux systems through the iwd (wireless daemon for linux)

The iwd is the up-and-coming wireless daemon for linux released by Intel and the wpasupplicant successor. The development of iwd is still in progress, but it is packaged under some linux distribution ...
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1answer
25 views

Multiple same SSID in wpa_supplicant.conf

There are two network settings in /etc/wpa_supplicant.conf. Both of them have the same ssid but with different id_str and psk. After connecting to AP, how can I check which network configuration I am ...
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0answers
21 views

About wifi connection problem [duplicate]

If I trying to connect my wifi netwok it says "activation of network connection failed".How to fix it?
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0answers
24 views

Missing wlan0 interface for iwl3945

I am trying to diagnose an issue I can see on my LibreELEC.tv 9.0 Alpha 006 installation. If I run a live system, and go to the console (CTRL+ALT+F3), here is what dmesg reveals: $ dmesg | grep 3945 ...
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0answers
24 views

Multiple Network Cards with the same Inet Address and Socket connections

I am currently working on a program that needs to have multiple Wireless Network cards that can communicate to different devices at the same time on the same port. Currently, when I try and connect to ...
-5
votes
0answers
16 views

Cannot detect WIFI networks in Kali Linux [duplicate]

Am using an alpha Wifi adapter in my kali linux(Installed on Virtual Box), my problem is that the WIfi doesn't show any network, it displays "No Networks". Just to let you know that the adapter works ...
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0answers
44 views

Wireless USB Adapter TP Link TL-WN822N v5 not detected on Centos 7

I am trying to set up the TP-Link WN822N v5 on Centos 7. I am running CentOS Linux 7 with the kernel: Linux 3.10.0-327.28.3.el7.x86_64 But the wireless usb adapter does not get detected. When I ...
1
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3answers
47 views

How can check ipv4 address in shell. Like is it *.*.1.* or *.*.0.*?

So here I tried to get from the ifconfig file, but same with errors with simple ifconfig command !#/bin/sh if [/home/pi/ifconfig | grep -Eo ‘inet (addr:)?([0-9]*\.){3}[0-9]*’ | grep -Eo ‘([0-9]*\.){3}...
1
vote
1answer
55 views

Wireless networking on Debian

I've used Fedora, CentOS, Ubuntu and Arch and never been totally stuck for wireless networking. I'm using Debian with KDE and I'm stuck. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue ...
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0answers
32 views

Can't connect to WiFi with WPA-EAP

I'm trying to connect to a WiFi with WPA-EAP, but it always fails with error: failure to add network: invalid message format Full log from journalctl: NetworkManager[668]: <info> device (...
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0answers
68 views

WiFi keeps disconnecting in Linux Mint 19

I have an Asus PCE-AC51 PCI-E WiFi card. I just freshly installed Linux Mint. The card can connect to my WiFi network, but disconnects after an indefinite amount of time (5 minutes to an hour or so). ...
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0answers
28 views

WiFi connect remains stuck and then fails on “configuring interface”

I have a notebook with an Intel 7265 (Rev 61) WiFi chipset, on which I run Kubuntu 14.04 with a home-build 4.14 kernel. I also have a TrueOS 18.03 (FreeBSD 12 based) install on another partition. I'...
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1answer
51 views

Installing wifi driver [closed]

I have installed Debian 9 and everything looks great I'm just struggling to install my wifi adapters drivers. I have found the adapter driver here. I'm just very new to the console and need a bit of ...
1
vote
2answers
81 views

Can't connect to 5GHz network on Broadcom BCM43228 802.11a/b/g/n [14e4:4359]

Whenever I try to connect to my 5 GHz network, my KDE Network Manager takes a while on "configuring interface", where then I am prompted to enter a password. I enter the network password, but the ...
1
vote
0answers
34 views

Locally Administered MAC addresses for WLAN ports in brctl

I am exploring Linux network stack by investigating outputs of various utilities on my home-grade router. My question is related to bridging. When I check the output of "brctl showmacs br0", it gives ...
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1answer
131 views

How to configure/connect to Wi-Fi with minimal CentOS installation? [closed]

I've installed a minimal installation of CentOS 7, meaning no GUI, on my Dell XPS 15 9560 laptop.  uname -r returns 3.10.0-862.11.6.el7.x86_64.  The laptop does not have an Ethernet card, but it does ...
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0answers
10 views

Wifi applet in Raspbian wrongly says that I am not connected to internet

I have a Raspberry Pi 3B with Raspbian Lite (Stretch) installed. I've connected to my wifi via command line and installed MATE and now I am adding some things to the desktop like the wifi applet. I've ...
2
votes
1answer
29 views

Share USB audio device over Ethernet [closed]

I connect my Linux laptop to an Onkyo P-3000R (a USB DAC) using a 10 meter USB cable. I would like to replace that long USB cable with a WiFi connection, if possible. I could connect my Onkyo USB ...
0
votes
1answer
65 views

How to simultaneously connect to two different networks via WiFi access points (laptop with one WiFi card)

I wish to use a laptop and simultaneously connect wirelessly to an intranet and to the Internet. Assume the subnet IP address ranges are 192.168.0.X for the network with Internet access and 10.10.0.X ...
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0answers
29 views

Make wpa_supplicant switch network if can't reach internet

I have a scenario with many WiFI APs (sharing the same SSID) and a bunch of headless clients connected to them. WiFi connection is handled by wpa_supplicant. Sometimes it just happens that one or ...
1
vote
1answer
16 views

Wifi does not show up in the Gnome UI

The wifi isn't showing up in the network manager in Gnome. There is a wifi entry along with wired, but it doesn't show any SSID. The wifi is enabled and the hardware shows up when I run lspci, and ...
5
votes
1answer
245 views

How does debian-installer configure WiFi during installation?

I am building Raspberry Pi images using the raspi3-image-spec project. Since it isn't the result of a conventional d-i installation, it obviously neither asks nor configures the root with WiFi ...
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0answers
20 views

Unable to authenticate with wifi networks

I recently upgraded a server version of Ubuntu 16 to Lubuntu 18. I can discover all available WiFi networks but I cannot authenticate at least with two known networks. I am not sure the system has any ...
0
votes
1answer
23 views

NetworkManager Displaying Wrong Security Type

I am working on an application that sends a reconfiguration command to its access point. The access point should reconfigure itself from being protected by WPA2 to being an open network. The access ...
1
vote
1answer
29 views

Arch linux set up wifi issue

I've just finished setting up arch linux and am trying to configure wifi (wired internet works ok I checked). As for wireless I have this issue: I try to connect to wireless router with iw dev ...
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0answers
142 views

TP-Link TL-WN722N Issues with VirtualBox [duplicate]

Recently on Kali Linux 2018 64 bit, I am having trouble trying to get my TP-Link TL-WN722N working with aircrack and monitor mode. I have tried most online guides on how to get wifi adapters working ...
1
vote
1answer
28 views

Odd Wireless Behaviour

I'm using a Realtek rtl8192eu chip. I spent ages trying to connect to my router. Eventually, I reloaded the rtl8xxxu module. That fixed it until next boot. Once again I had to do the same. This time I ...
0
votes
1answer
44 views

Is there a display manager that allows setup of wifi connection before logging in?

I'm working on a pam_ldap solution for laptop users, but of course it won't work unless wifi is connected. I won't know ahead of time what wifi network users will be on. I want to emulate how ...
1
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0answers
17 views

Realtek Wifi interface is not stable in Kali linux [duplicate]

I have a kali linux system(VM) and I added realtek wireless adapter to it and same is detecting as a wireless interface ip address [...] 3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 ...
1
vote
2answers
57 views

Wifi in FreeBSD Live USB

After using Linux for quite some time now I want to try out FreeBSD. I created a bootable USB stick and want to play around a bit in the live CD mode. The first problem I encounter is that I don't ...
1
vote
0answers
133 views

BeagleBone Black - I can't connect to WiFi [closed]

I have a BeagleBone Black with Debian Wheezy and kernel v4.1. The problem is that I can't connect my BeagleBone to Wifi because the my TP-Link WN722N v2.0 Wireless adapter is not recognizable by the ...
1
vote
0answers
118 views

No Wi-Fi on CentOS 7 [closed]

After hours and hours of compiling drivers, reinstalling the OS, and trying to use ElRepo, I have not been able to successfully use any wireless capabilities on my HP da0014dx. It has a RealTek 8723DE ...
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votes
0answers
68 views

Elementary Juno wireless printer unavailable but installed

I have a Brother HL-1212W in a fresh ElementaryOS Juno (18.04 LTS based) and cannot make it work. I tried with the official Brother drivers and with the default open ones but unsuccessfully. In 16.04 ...
-1
votes
1answer
258 views

Not able to see wifi interface in ifconfig in Kali linux [duplicate]

I have added a wifi adapter to my Kali linux box but I am not able to see it in ifconfig output. Linux version root@kali:~# uname -a Linux kali 4.17.0-kali3-amd64 #1 SMP Debian 4.17.17-1kali1 (2018-...
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0answers
34 views

KDE Neon Network Manager Keeps Asking For Password And Fails To Connect To My Router - KDE Neon User Edition

So, I installed a fresh version of KDE Neon on my HDD drive from a bootable USB and have been running it on my Macbook Pro 13 inch 2017. My instant guess was that I didnt have certain drivers ...
2
votes
0answers
30 views

Not able to see wifi interface in ifconfig in centOS 6.5

I have added a wifi adapter to my CentOS 6.5 box but I am not able to see it in ifconfig output. Wireless adapter in dmesg output [root@testldap log]# dmesg | grep -i netgear usb 1-1: Product: ...
2
votes
1answer
35 views

DHCP works on wifi but my computer cannot receive unicast packets only broadcast packets

I cannot use my wireless capabilities of my laptop at all. I connect to my home router manually (without using the network manager, I purged it). Using the following commands: ifconfig wlan0 up ...
1
vote
1answer
115 views

Missing wireless tools (wpa-supplicant) in fresh NixOS install

Following the NixOS Manual, I i) made a live USB drive, and ii) installed NixOS on my system. Now I'm trying to set up my wireless network, and "Wireless Networks" instructions aren't working for my ...
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votes
1answer
26 views

No Wi-Fi Adapter Found yet I'm still using wifi. My “Wired” setting is connected but I have no ethernet cord plugged in

I usually use ethernet for the internet but now I want to use the wifi and I don't have the option, in settings it says "No Wi-Fi Adapter Found". If I remember correctly I used to be able to use wi-fi ...
0
votes
1answer
26 views

Does two hardware radios required to re-share WiFi in OpenWRT?

I would like to put some router in my car and make it either automatically connect to one of my home WiFi networks as a client or connect to 4G mobile network otherwise. In each case I want it to ...
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votes
1answer
11 views

Is it possible to connect Mini PCIe Wireless Adapter to Laptop by ExressCard?

I want to connect a wireless adapter with mini pcie interface to my laptop that runs Ubuntu 16.04 through laptop's ExpressCard interface. I want to know if that is possible. Is the wireless adapter ...