All Questions
Tagged with linux wireless-networking
495
questions with no upvoted or accepted answers
10
votes
1
answer
10k
views
Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces
Let me jump straight in.
I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot
I have 3 wireless interfaces:
built in wifi interface (brcmfmac)
TP-Link ...
5
votes
0
answers
17k
views
USB Wireless Adapter recognized by `lsusb` but not by `ifconfig` on Linux
I am experiencing some issues with an Wireless Adapter. Long story short:
I have a USB Wireless Adapter: AWUS036ACH (chipset: RTL8812AU)
drivers are up to date: (i.e., apt-get install realtek-...
5
votes
0
answers
2k
views
Debian 7: "Failure of key exchange and association"
I'm installing Debian using the Live CD with GNOME and the non-free packages. The internet works just fine when using the live CD, but when you try to open the installer and select a network, it gives ...
5
votes
2
answers
3k
views
Default gateway disappears from routing table
I use NetworkManager (Arch Linux) on my laptop in order to connect to wireless networks. I use the official GNOME GUI. Everything works fine, but after half an hour or so the network is still ...
5
votes
3
answers
3k
views
Can't set-up Wifi Adhoc on my Raspberry Pi with an USB dongle
I am trying to set-up an access point (ad-hoc) for my Raspberry Pi. That means I'm trying to "share" the ethernet connection over Wi-Fi. I am doing this using my Ralink Technology, Corp. RT2501/RT2573 ...
4
votes
0
answers
3k
views
How to get my Linux Wi-Fi to reliably roam from AP to AP
I'm trying to get my Linux to reliably roam from AP to AP. Right now I'm using iwlwifi - iwd - NetworkManager combo to manage everything and apart from roaming everything works reasonably well and I'm ...
4
votes
0
answers
730
views
Kali Linux: Device won't switch Wi-Fi region
I have been using Linux for a while now, but I recently installed Linux on my old Windows laptop.
I live in Germany, which uses the WiFi channels 1-13.
However, iw phy only shows channels 1-11 to be ...
4
votes
1
answer
2k
views
why am I not seeing traffic using TCPDUMP while sniffing on wireless interface with the station in WDS mode
I've 2 wireless interfaces one has the type of AP and the other has the type monitor.
the AP is attached to a bridge br-lan.
When I run for example:
tcpdump port 5201 -s 0 -ni wlan0
TCPdump is not ...
4
votes
1
answer
2k
views
wicd does not automatically REconnect
I connect wirelessly to a router using wicd 1.7.2.4 on slackware 14. If I am not actively using the internet connection for some time then I lose the connection, but wicd does not automatically ...
4
votes
0
answers
809
views
Computer-to-Computer network between OS X and Linux
I want to make a connection point to point via wifi between Mac and Linux.
What I did was:
I have created Computer-To-Computer network in OS X
I have set manually an ip address for Mac, 10.0.0.1/255....
3
votes
0
answers
1k
views
Linux network manager getting two ip addresses instead of one
I have a problem that when I connect to network using NetworkManager in Linux (doesn't happen when using wpa_supplicant but I don't like it) it gets two IPv4 addresses that show up as for example 192....
3
votes
2
answers
5k
views
NetworkManager defined HotSpot, can't connect from Android phone
The initial situation is quite simple:
I create a hotspot in a Linux machine: nmcli dev wifi hotspot con-name "John" (see below for the complete script)
I show the password (and QR code) ...
3
votes
1
answer
8k
views
wpa_supplicant disconnects with reason=3 on connection
I am using a raspberry pi 4 to connect to my college network (so using WPA-Enterprise using PEAP) using wpa_supplicant
when I run the command,
sudo wpa_supplicant -c/etc/wpa_supplicant/wpa_supplicant....
3
votes
1
answer
963
views
Not able to apply changes for wireless driver in Ubuntu 20.04
I have been using ubuntu some older versions for a while . And few weeks back I installed ubuntu 20.04 in dual boot . And I have never faced this problem in the Wireless network to detect wifi.
I am ...
3
votes
0
answers
178
views
libnl takes time to see a disconnected client
I am working on an embedded device, with a custom OS (Yocto on iMX6).
The device use hostapd to create a WLAN.
I use libnl to list the connected WiFi clients, my code is based on iw to get the ...
3
votes
0
answers
3k
views
IPCP: timeout sending Config-Requests
We have a problem with part of our devices which are using ppp to connect to the internet using 3G modem in US. The issue seems really odd as only few of the devices have this problem but it is a ...
3
votes
1
answer
625
views
Linux not preferring ipv6 on dhcpv6 network
On my home network, I'm using a (Raspbian) Raspberry Pi as a wifi router with hostapd, isc-dhcp-server, radvd, pihole, and dnscrypt-proxy installed. I do not use dhcpcd, I use dhclient. As I only get ...
3
votes
1
answer
170
views
WLAN media streaming mode for Linux to stop ping spikes?
After hours of trying to fix my router ping spike problem I found a thread on Tom's Hardware. Last answers directed me to this Windows program called WLAN Optimizer:
http://www.martin-majowski.de/...
3
votes
0
answers
1k
views
Using iw to add a virtual wireless interface, getting the error “No such device (-19)”
I need to add a virtual wireless interface to my NXP embedded linux system using iw.
I have loaded Broadcom's driver and brought up wlan0. I can connect to networks with the wifi SDIO adapter just ...
3
votes
1
answer
1k
views
WiFi dropping with realtek card on Linux Mint
I'm on a fresh install of Linux Mint 17.2. Since I've installed I've noticed my WiFi connection drops but doesn't disconnect. The WiFi works fine on Windows. I'm unable to ping any server or load any ...
3
votes
0
answers
1k
views
How to automate running the dhclient for wwan0?
in Linux Mint 17 I have to run sudo dhclient every time I connect and disconnect to/from the Internet using a mobile broadband dongle, because otherwise the connection is declared active but when I ...
3
votes
0
answers
561
views
"GSM only" mode in modem settings in tomato router
I use Shibby tomato firmware in ASUS-N66U. I use the "3G modem" option in it for WAN. it was working fine till now with my SIM's 3G data plan.
I would like to use only 2G data from now, is there any ...
3
votes
1
answer
5k
views
Wireless card not being detected in backtrack 5
I just installed backtrack 5 and I am unable to detect my wireless card. iwconfig doesn't list my interface. I can see that the hardware is present in lspci -vnn (see below) but I can't get the ...
2
votes
0
answers
35
views
Forward (share) network to a bridged interface of 3 adapters
I have this network (network structure picture):
I need to configure the Kylin laptop to let other clients (PC, phones) access Internet. I have 3 USB ethernet adapter (enx000ec6c5afc1, ...
2
votes
0
answers
896
views
wpa_supplicant needs a manual reassociation every once in a while
I recently reinstalled a Debian 10 on my laptop. Before that, wireless connection to my home AP worked fine (no latency, no disconnection...).
But since the reinstallation, when my laptop is connected ...
2
votes
0
answers
735
views
Linux WiFi connection disconnected due to inactivity
Recently my WiFi connection keeps disconnected/connected like in a loop several times a day while i'm actively working.
I tried a lot of options:
Contacted support team for my router's brand. They ...
2
votes
0
answers
1k
views
Cannot create a WPA3 hotspot
OS: Ubuntu 20.04
Desktop: KDE
Whenever I try to initialize a hotspot with WPA3 security, I see the following error messages:
wpa_supplicant[1281]: Using interface wlp2s0 with hwaddr 7c:76:35:fa:61:35 ...
2
votes
1
answer
2k
views
CentOS not finding wifi adapter
I installed CentOS on a Lenovo yoga laptop a few days ago, but I cannot get the wifi to work. I've tried lots of things following suggestions from replies to several questions on different sites. ...
2
votes
0
answers
454
views
Bluetooth headset auto connect with PulseAudio
Lubuntu 18.04.4 on acer c720
PulseAudio does not do automatic switch to either of my bluetooth headsets when I switch them on.
My ~/.config/pulse/default.pa contains the lines
### Use hot-plugged ...
2
votes
1
answer
309
views
Wifi turns off automatically in Ubuntu 16.04 if speed goes above 150 Mbps
I have 5G internet connection. Speed is always between 200 - 300 Mbps. When I am downloading something and download speed goes above 150 Mbps, WiFi turn off. It doesn't even show available WiFis. ...
2
votes
0
answers
49
views
How to detect "restrict background usage" with a BASH script?
I have a short bash script in my crontab to run a network-heavy rclone backup task.
In psuedocode:
#!/bin/bash
if [ is_running ]; then
exit 1;
else
rclone command;
fi
What service, program, or ...
2
votes
0
answers
1k
views
USB wireless adapter driver for linux
I'm trying to connect an Atheros ar1021x (ath6kl family) USB-Wireless adapter to a Raspberry Pi (with 4.14 kernel).
My vendor provided a copy of driver source code, but it is for kernel 3.18. It does ...
2
votes
0
answers
3k
views
Cannot get 5GHz Networks to appear in Kali Linux (Panda Wireless PAU09)
I run a virtualized copy of Kali Linux on my MacBook Pro and I am trying to use my Panda Wireless PAU09. It is a recommended card and is said to be "Plug and Play" without having to install drivers or ...
2
votes
0
answers
151
views
Hard wiping Linux laptop to fix Wifi
Some time ago I booted my laptop up and for some reason my WiFi stopped working... F9 nor the WiFi switch and button seem to respond anymore no matter how or which order I press them. Messed with ...
2
votes
1
answer
2k
views
OpenWRT noack and mcs rate
Are different MCS rates supported when you are running in noack mode?
Context: I am using ath9k modems+Compex WPQ864 (linux-ipq864) boards. I have configured one of the boards as Access point and ...
2
votes
1
answer
3k
views
How to auto reconnect to openvpn upon reconnect to wifi on Linux terminal?
I'm on an Ubuntu 18.04 laptop and I always need to connect to an openvpn server. Since I'm unable to setup the VPN from the GUI I always need to manually run
sudo openvpn --config theconfig.ovpn
...
2
votes
0
answers
200
views
WiFi USB adapter works in just one slot of my laptop
I have a TP-Link WiFi USB adapter (model: TP-WN725N) which I use with a low end HP laptop (model HP 650, four years old). The OS of the laptop is Debian 9.4. I used to plug the WiFi adapter to the ...
2
votes
0
answers
5k
views
How can I change the Wireless Adapter Interface Name in Ubuntu?
I've booted with the net.ifnames=0 in GRUB_CMDLINE_LINUX_DEFAULT so
It does fix the name of the internal adapter
wlp2s0 >> wlan0
But I can't find a solution to my external adapter which is ...
2
votes
0
answers
3k
views
PPP: Modem hangup on IPCP negotiation
First of all, sorry for the question if it is obvious, I'm not very good at network configuration.
I'm currently trying to connect a Linux machine with Busybox through a modem to a cellular network (...
2
votes
1
answer
1k
views
networking on VirtualBox suddenly stopped working
I am using several Linux guest in VirtualBox on a windows 10 laptop.
A week ago the networking in all 6 Linux guests in VirtualBox stopped working. These Linux distros include Debian and Ubuntu ...
2
votes
0
answers
376
views
Use USB Wifi Adapter with virtual machine
I want to use my usb wifi dongle on my virtual machine (kali linux). I installed the extension pack and activated the usb 2.0 controllers. Also i add my wifi usb dongle as a filter. The kali vm ...
2
votes
0
answers
879
views
bridge interface under wlan and eth
I have the following topology:
I have a laptop with a WiFi NIC and a docking station with an Ethernet NIC. Both network connections are connected to the same LAN. What I want to do is to use the ...
2
votes
0
answers
1k
views
My syslog is full of errors from NetworkManager about setting the MTU for wireless adapter
NetworkManager keeps trying to set the MTU for my wifi connection to 9216 and then complain about it:
NetworkManager[9173]: <error> [1469713916.019478] [platform/nm-linux-platform.c:2489] ...
2
votes
0
answers
674
views
Sharing internet connection from USB0 to WLAN0
I want to create a wireless AP from my kali linux machine to share internet connection to other devices. Internet connection to linux is given by USB tethering using an android mobile phone. There is ...
2
votes
0
answers
26
views
How to pick a different WiFi connection when one drops?
I have 2 WiFI connections available. Sometimes, the WiFi network disconnects, and when that happens, I'd like the system to automatically use the other connection.
How can I do this? I'm using a ...
2
votes
0
answers
711
views
VirtualBox guest bridge WiFi support on Linux laptop, either by bridging or passthrough
I need to use a VPN from a Windows VirtualBox guest on a Linux host laptop. This works fine via ethernet, but I really need to do this over wireless networks, and the built-in Intel 3160 wifi card in ...
2
votes
0
answers
2k
views
Kali Linux Wireless MacBook Air (Early 2014)
I have an early 2014 13in. MacBook Air that I recently dual-booted Kali Linux onto. My problems is that the wifi will not work, and iwconfig returns only "lo". I have tried to install the broadcom ...
2
votes
1
answer
3k
views
wpa_supplicant on Debian doesn't connect to network
I'm currently trying to connect to my home WiFi network (WPA2 security), but when I run sudo wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf, running /sbin/iw wlan0 link immediately ...
2
votes
0
answers
763
views
Share Wi-Fi Internet access via Bluetooth on Raspberry Pi
I have tried multiple ways I got on Google, without luck.
BlueMan based apporaches will NOT work because my Pi does NOT have X running. I would like to solve this just using BlueZ and some simple ...
2
votes
0
answers
831
views
Setting up Wi-Fi using USB adapter on Ubuntu 12.04
I have tried in vain to set up my Ubuntu 12.04 laptop as a Wi-Fi hotspot; it says
Your wireless card does not support Access Point mode
I had to resort to a USB Wi-Fi adapter, and I purchased this ...