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Questions tagged [wpa-supplicant]

wpa_supplicant is a free software implementation of an IEEE 802.11i supplicant for Linux, FreeBSD, NetBSD and Microsoft Windows. In addition to being a full-featured WPA2 supplicant, it also implements WPA and older wireless LAN security protocols.

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reboot fails to raise network: needs restart of wpa_supplicant

This is happening on two Ubuntu laptops, one 18.04(Realtek 8192S/8191S 802.11n) the other 18.10 (Intel Corporation WiFi Link 5100). After startup I have no network until I restart wpa_supplicant. ...
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Unknown Command for hotspot 2.0

When I execute fetch_anqp <bssid> <type> in wpa_cli it throws me an unknown command error I am using wpa_cli 2.6
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Missing EAP methods in 18.10

According to this link, wpa_suplicant supports so many EAP methods. PEAPv0/TLS and PEAPv1/TLS is one of them which is missing in Ubuntu. Ubuntu is using this binary only. Then why mentioned EAP ...
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CPU Frequency Error. Ubuntu on Raspberry Pi

I have Ubuntu 18.04.1 installed on my Raspberry Pi and two USB devices attached: One small bluetooth adapter and one small Wifi adapter. I am connecting to the wifi network with wpa_supplicant like ...
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ubuntu server installation with 802.1x

I have installed ubuntu server 18.04.1. In company network 802.1x authentication is forced. I do not have preinstalled wpa_supplicant program so I cannot configure and gain internet access. I tried to ...
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After disconnecting from wifi I must “killall wpa_supplicant” before I can reconnect

Everytime I disable wifi or lose connection to that network I must do a "killall wpa_supplicant" before I can reconnect. If I don't do that, the system keeps saying "[my-chosen-wifi-point] is ...
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24 views

wireless connection only after power off

I am have strange problems to enable wifi on my box. Basically I have a network minimal install plus wpa_supplicant and a wireless usb stick. Within /etc/wpa_supplicant/wpa_supplicant.conf there is: ...
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wpa_supplicant — wpa_cli does not work and socket /var/run/wpa_supplicant does not exist

I have got a fresh installation. I used the net-installer. ------- lsusb ------- … Bus 003 Device 003: ID 0bda:818b Realtek Semiconductor Corp. … -------------------------------------------- cat /...
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WPA_SUPPLICANT HS20 parameters

When i execute anqp_get in the wpa supplicant interactive mode it throws an error with unknown command "anqp_get"?? Any work around to fix this
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Cannot connect Kubuntu 18.04 to Enterprise WPA2 PEAP authentication

I'm having trouble connecting to my institution's wifi on Kubuntu 18.04. The laptop I'm using can connect just fine when using Windows 10. I can also connect using my username and password on my ...
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Get disconnected from hostapd AP after association

I am trying to connect to a hostapd AP. The AP is a router (TP-LINK TALON AD7200) that is flashed to run OpenWrt firmware. When I run the command hostapd hostapd_wlan2.conf the output is: root@TALON:...
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Cannot downgrade wpa_supplicant to fix Wi-Fi connection to a corporate network (WPA2/PEAP with no CA certificate) in Ubuntu 18.04

I recently upgraded my Ubuntu from 16.04 to 18.04 (clean install, full wipe). Now I can no longer connect to the corporate network at my office (perhaps related to these bugs: bug 1, bug 2). What ...
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wpa_supplicant not working properly on ubuntu 16.04

sudo iw wlp2s0 link [sudo] password for aadesh: Connected to f0:3e:90:38:76:d8 (on wlp2s0) SSID: RAM freq: 2472 RX: 4191824 ...
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config for two wireless interfaces on the same network — 17.10

Rescuing an old laptop by replacing unreliable onboard wifi with USB Wifi. I want to at least temporarily connect both the onboard and usb interfaces to the LAN wifi router. Is this possible? I ...
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579 views

Ubuntu 16.04, WPA Enterprise TLS on WiFi: unable to browse private key

On Ubuntu 16.04, for setting up a WiFi access under WPA Enterprise TLS, generated a PEM RSA private key as follows: $ cd ~/.wifi_certificates $ keyPassPhrase="$(pwgen -snc1 16)" $ echo "key=${...
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how i prevent wpasupplicant to open my UBUNTU to a “master mode”?

My NIC: rtl8192ce / wlp3s0 Every time i go online, particularly after i start my (Open)VPN Client i get the msg: wpa_supplicant[910]: nl80211: send_and_recv->nl_recvmsgs failed: -33 ...
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Upgrading wpa_supplicant to 2.6 manually on Ubuntu 17.10

I've been trying to find an easy detailed instruction on how to upgrade the wpa_supplicant either using a script or something, or manually. I am currently running with the 2.4 version, which does have ...
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585 views

Wifi Not Working On Ubuntu 17.10 Because Of The WPA_Supplicant 2.4

The Wifi in my ASUS x552C was working fine at home on the Ubuntu 17.10, but as soon as I came to the university and connected to their Wifi by following some procedures, with the last procedure of ...
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ifup fails to bring up interface every other time

I am getting strange issue where ifup fails every other run. Here is the output as you can see it is in the pattern of fail, success, fail etc...: bakalolo@User1:~/bashScripts$ sudo ifdown wlp3s0 &...
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NetworkManager sometimes missing at login / WPA_Supplicant issue Ubuntu 16.04

On my desktop and laptop running "Ubuntu 16.04.3 LTS" I'm having an issue with NetworkManager (nm_applet). About 20% of the time it isn't present on the desktop just after logging in. sudo systemctl ...
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833 views

Suspend not working - help needed to debug

Since the past couple of days, each time I try to suspend my system, my laptop immediately resumes from suspend. I'm not sure what the exact error is. I also noticed, that since this problem began, ...
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278 views

Can't get wifi working on Ubuntu 16.04

I've been digging through this but I can't seem to figure out why I can't get wifi working on my fresh install of 16.04 server. (And just for the record - it is super irritating that wifi works fine ...
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1answer
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Not able to suspend because of Failed to connect to non-global ctrl_ifname: (nil) error: No such file or directory

I recently updated to Ubuntu 17.10 and, we I try to suspend, I have this in /var/log/syslog : Nov 3 03:24:29 oscar systemd[1]: Reached target Sleep. Nov 3 03:24:29 oscar systemd[1]: Starting ...
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1answer
566 views

Suddenly connection via wpa_supplicant fails without obvious reason

Straight forward wifi client to infra AP connectivity by using wpa_supplicant (network-manager is not installed) wpa_cli -iwlan0 add_network 1 wpa_cli -iwlan0 set_network 1 ssid '"myssid"' OK wpa_cli ...
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Adjust timeperiod for background scanning? [duplicate]

is it possible to adjust the automatic background scanning timeperiod? I want to decrease the time period. Thanks.
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990 views

wpa_supplicant working on specific channel for 802.11ac

I have QCA6174 802.11ac Wireless Network Adapter in my laptop which runs Ubuntu 16.10 with Linux Kernel Version 4.13. The wireless adapter uses ath10k driver. I am trying to set the laptop to work as ...
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can't connect to wireless after set static ip

i'm using ubuntu 16.04 and i was not able to see wifi options in gui,then it suddenly change the wifi wave icon to this ↑↓ icon.Then i decided to set static ip for it by modifying the /etc/network/...
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Wireless Connection Issue with rt2800usb dongle 17.04

I have been having issues connecting to Wi-Fi using a wireless dongle with the rt3572 chip-set. I am running Kubuntu 17.04 kernel version 4.10.0-19, the driver version for the rt2800usb is 2.3.0. ...
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1k views

IEEE8021X wpa_supplicant WIRED interface 16.10

I am attempting to come up with automated standards for our department linux machines to connect to our Cisco ISE (802.1X) network. In the past I have simply added lines such as the following to the ...
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920 views

can't connect to wifi network with Odroid c0 with minimal Ubuntu 16.04

I want to connect to a wifi where a /etc/wpa_supplicant/wpa_supplicant.conf is suggested: ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 ap_scan=1 network={ ssid="####" proto=...
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How do I force NetworkManager to encrypt stored passwords?

In ubuntu 14.04 NetworkManager stores the passwords for networks in the file /etc/NetworkManager/system-connections/<ESSID_of_AP> in plaintext. I'm not sure if it relies on wpa_supplicant for ...
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1answer
2k views

Help setting up wpa_supplicant

I've been struggling to setup wireless on my headless server: Ubuntu 16.04.2 LTS. $ sudo wpa_supplicant -Dnl80211 -iwlp3s0 -c/etc/wpa_supplicant/wpa_supplicant.conf Successfully initialized ...
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Connecting to WPA & WPA2 enterprise Wi-Fi

I'm having a hard time trying to connect to a WPA protected wi-FI with My Lenovo 710s running Ubuntu 16.04.1 LTS. The wi-fi does not need any CA certificate only username and paasword. The problem im ...
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706 views

Processes NetworkManager, wpa_supplicant, dhclient immediately respawn when I try to kill them [duplicate]

After I try to kill a process (speaking of NetworkManager, wpa_supplicant, dhclient) like this kill -9 PID (also tried -1 and -15), it reruns automatically... How can I kill it and prevent it from ...
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570 views

kill wpa_supplicant on ubuntu touch

i want to run Aircrack-ng on Ubuntu touch but i need to kill network-manager and "wpa_supplicant process". killing network-manager is easy , just run "sudo service network-manager stop" , but after ...
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1k views

wpa_cli fails when I connect to my interface

Following How to connect to Wi-Fi AP through WPS?, I configured my wpa_supplicant (I'm trying to connect with WPS), the steps are these: sudo systemctl stop NetworkManager.service echo -e "...
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Understanding wpa_supplicant versus interfaces/interfaces.d

I'm working with embedded devices running Ubuntu 16.04, and trying to configure them to connect to a wireless network through the command line. Nothing too fancy at this stage, networking wise, just ...
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1k views

accidently deleted wpa_supplicant

I accidently deleted wpa_supplicant package and now I cant connect to the internet, not through wifi and not through LAN cable. What can I do? Thanks
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having multiple conf files for wpa_supplicant

I can connect with no problem to my wpa wireless router using wpa_supplicant. Thing is I can't find out how to disconnect from it so I can connect to another device such as my phone's wifi, for ...
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How to add new network block to wpa_supplicant in command line?

I want to add network block into /etc/wpa_supplicant/wpa_suppplicant.conf file. The original file looks like, ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network={ ...
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1answer
4k views

AP mode with wpa_supplicant

I am trying to set the Wifi adapter (Qualcomm Atheros Sparrow 802.11ad) in Ubuntu 16.10 with Kernel v4.8 to work in AP mode using wpa_supplicant v2.4. I do the following steps: I create a ...
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1answer
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Location of wpa_supplicant.conf on Ubuntu 16.04 LTS

For some reason am unable to locate wpa_supplicant.conf file on my Ubuntu PC. I am using Ubuntu 16.04 LTS. I did run a find and here's the result: ~$ sudo find / -iname wpa_supplicant.conf [sudo] ...
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1answer
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How to connect to a WPA2 enterprise with nmcli in a non interactive mode?

I am able to connect with nmcli to a WPA enterprise network only in an interactive mode launched by nmcli con edit id MYNAME nmcli refuses to change 802-1x values while not in edit mode: nmcli c ...
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Connection does not exist with nmcli even if scanned with iwlist

I use to run the command to connect to the wifi network m<essid nmcli -p con up id myessid Sometimes and for unknown reason, `nmcli` gives me `Error: Connection 'myessid' does not exist even ...
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277 views

14.04 Server can't connect to Wifi with ifup; wap_supplicant throws “ioctl[SIOCSIWENCODEEXT]: Invalid argument”

I moved my 14.04 home server to a new apartment that can only access the internet via Wifi. This machine used to have a desktop version of 12.04 that connected to wifi fine via network-manager (so I ...
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15k views

“Could not set interface wlan0 flags (UP): Input/output error” RT3290

I've encountered a very puzzling issue with my WiFi card on Ubuntu. After reboot it's always disabled and there is no way to bring it back other than suspending or shutting down the laptop. Status ...
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Static Ip via Wireless, how to retry if connection drops?

I am running Ubuntu 16.04. In order to get Wireless working (static IP) I made only the following change. This works perfectly, but how can I make this more robust, e.g. continue to scan in case a ...
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2answers
1k views

Can't install wpa_supplicant on Ubuntu Server

I'm trying to get Ubuntu Server set up and have got it installed, however it does not recognize my wired network adapter. It is at this point I should say that I am completely new to Linux. It does ...
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Wi-Fi Direct and simulateous broadban connection?

Does any have any tips/experience/links that would show the configuration to enable a Wi-Fi Direct connection and normal Wi-Fi (broadband to a Access Point) at the same time? From the Wi-fi.org ...
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1k views

How to manually install wpasupplicant 2.1?

I'm trying to install wpasupplicant 2.1 because I'm having some problems with 2.4 . I tried: sudo apt-get install wpasupplicant=2.1-0ubuntu7 But that wpasupplicant version cannot be found. I found ...