Questions tagged [wpa]

Shortning of Wireless Protected Access, form of security for wireless networks.

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Ubuntu 16.04 WiFi dropping on WPA group rekeying

This issue has been bothered me for a while now. Whenever my WiFi drops, it shows this in the syslog: Jun 13 19:56:38 hp-ubuntu wpa_supplicant[1008]: wlo1: WPA: Group rekeying completed with 00:23:69:...
0 votes
2 answers
3k views

How to disable WPA1 security and keep only WPA2-AES wifi hotspot on Ubuntu 18.04

WPA1 is not secure I want to keep only WPA2-AES. WHen I run nmcli device wifi list I get message below: IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY * na Infra 1 0 Mbit/...
62 votes
5 answers
250k views

How to set wifi driver settings to prefer 5 GHz channel above 2.4 GHz

Currently I'm in a new building of my university. In this building my wifi often breaks down and then restores connection again. This is really irritating since it happens a lot. Now as a coincidence ...
0 votes
0 answers
634 views

How can I automatically connect to a WPA/WPA2 Enterprise without having the CA certificate beforehand?

My school has a WPA/WPA2 Enterprise network. It has a CA certificate, which on my iPhone I am prompted to trust, while on my Macbook it was automatically trusted when I entered my username and ...
2 votes
0 answers
605 views

Ubuntu 20.04 constantly drops wifi

Since a few days, my laptop with an intel 9560ac and Ubuntu 20.04 (livepatch on and up to date), started constantly dropping the wifi. Every 5 seconds on average. It asks for the password, connects, ...
1 vote
0 answers
997 views

gigabit mini pcie wifi card with AP mode

I set up a DIY router years back using a fitlet i "barebones" mini PC with a mini PCIe intel 7260 wifi card (using the iwlwifi driver) running in AP mode (bridged to the ethernet coming in from my ...
8 votes
1 answer
52k views

How to enable wireless on Ubuntu Server 18.04 via CLI?

I cannot get wpasupplicant, wireless-tools, and also lib, iwconfig (Iget ifconfig) to operate on my Server 18.04 install. I have Windows 10 on laptop. External HD with 18.04 Desktop and 18.04 Server. ...
146 votes
9 answers
656k views

How do I connect to a WPA wifi network using the command line?

So basically, I'd like to use iwconfig to connect to my wifi network when I'm not inside X. But I just don't see a way to do it in the man page. Any idea?
5 votes
1 answer
8k views

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 ...
0 votes
0 answers
484 views

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 ...
2 votes
2 answers
6k views

Generating WPA/WPA2 Key in linux bash?

How can I generate a new random wpa/wap2 key in the linux terminal? I tried pwgen but this is not generating hexadecimal values.
2 votes
1 answer
23k views

Wifi P2P wpa_supplicant - failed to create p2p device interface

I'm trying to configure wifi p2p connection with ubuntu, but I have some issues. In particular I followed this guide and this one Almost everything seems ok, but when I lunch the command: sudo ./...
0 votes
0 answers
408 views

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 ...
3 votes
0 answers
2k views

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={ ...
0 votes
1 answer
280 views

Intel 3160 AC wifi - no WPA connection in Ubuntu 16.04.1

I have installed Ubuntu 16.04.1 today and encountered a problem with my wifi. My network is detected and works if I do not protect it with a passphrase, but when I try to use WPA it does not work. ...
0 votes
1 answer
237 views

WPA authentication issue

Distribution: Ubuntu 16.04, System: Acer Aspire E 15, Experience Level: Newbie A few days ago I installed (dual boot) the 16.04 distribution on a laptop that was currently running Windows 10. I have ...
1 vote
2 answers
494 views

Can't use WiFi on Ubuntu Server 14.04 even though it appears to be connected

I've configured the WiFi SSID and key through /etc/network/interfaces as shown below: auto lo iface lo inet loopback auto wlan0 iface wlan0 inet dhcp wpa-ssid MYWIFINAME wpa-ap-scan 1 wpa-key-mgmt ...
0 votes
1 answer
3k views

how to connect to a wifi (wpa/wpa2) in ubuntu server 14.04 [duplicate]

I just isntalle ubuntu server 14.04.2, in the installation process i could easily choose the network name from a list and typed the password. After the installation i saw that Im not connected to the ...
0 votes
1 answer
863 views

Can't connect to wifi using a 64 char pw

I'm trying to connect to a WiFi (WPA 2 PSK) with a 64 characters long password. Sadly Ubuntu only supports 63 or 64 as Hex. But where to enter this? If I just paste the Hex-Code it will be cut off ...
1 vote
0 answers
827 views

Connnecting to WPA Through Terminal Edimax ew-7811un error ioctl[SIOCSIWENCODEEXT]: Invalid argument

I've been trying to learn how to connect to my WPA secured wireless router for a while and no matter how much I research I can not find the fix for this error. I get the error(ioctl[SIOCSIWENCODEEXT]: ...
0 votes
2 answers
2k views

Internet connection problem - Broadcom + Lenovo Ideapad + Ubuntu 14.04

I'm new to Linux/Ubuntu, and I'd like some help with setting up wifi with it. I have a broadcom wireless router (Broadcom Corporation BCM4312). This is the config: eth0 Link encap:Ethernet ...
0 votes
1 answer
2k views

WPA_GUI only works as root

WPA_gui will only work if I run it as root. I know I need to change its permissions but I cannot figure out where or to what. I have tried adding the user to the NetDev group but that did not work. ...
3 votes
1 answer
382 views

Xubuntu 13.10 And Ubuntu 13.10 both show WPA Supplicant error?

Why am I getting this error. How do I fix it? sudo lshw -C network *-network description: Wireless interface product: AR9485 Wireless Network Adapter vendor: ...
24 votes
2 answers
77k views

Is there a way to make Ubuntu "forget" a network connection? [duplicate]

Is there a file or something that holds the data for the internet connections?
0 votes
1 answer
637 views

Wireless router crashes when connecting from Ubuntu only

I bought an Acer M3-481. I am running 12.04 64 Bit with an Atheros Wifi Module. My WLAN router to which I'm trying to connect to is a Thomson TWG850 device. It seems that this device crashes every ...
7 votes
2 answers
2k views

Unable to use WPA security when using laptop as hotspot with an Intel 3945ABG

When I use my laptop running Ubuntu 12.04 as hotspot, I am only allowed to use WEP security instead of WPA. I dual boot Ubuntu with Windows on this laptop and when I use Windows to create the ...