Re: Wi-Fi help.

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Willem here.
His/her iwconfig output already show the interface name to be wlan0, so the dmesg should not be required.
Regards.


On Mon, 8 Jan 2018, Linux for blind general discussion wrote:

Before doing any of that, I recommend as root dmesg|grep -i wlan <cr>. Some of these systems like to rename wlan0 and give it strange names and this way you know what that name is and don't waste time.

On Mon, 8 Jan 2018, Linux for blind general discussion wrote:

Date: Mon, 8 Jan 2018 00:16:29
From: Linux for blind general discussion <blinux-list@xxxxxxxxxx>
To: Linux for blind general discussion <blinux-list@xxxxxxxxxx>
Subject: Re: Wi-Fi help.

Hi, Willem here.
I have not used wpa_cli, but if your /etc/wpa_supplicant/wpa_supplicant.conf has a valid network block, you can look at your /etc/network/interfaces to see what the entry for wlan0 looks like and then take it from there.
By the sound of it, you might not have a configuration for wlan0 in there.
If so, add something like the below to /etc/network/interfaces and then try
ifup wlan0



iface wlan0 inet dhcp
pre-up wpa_supplicant -iwlan0 -B -c/etc/wpa_supplicant/wpa_supplicant.conf
post-down killall -q wpa_supplicant
auto wlan0
HTH, Willem


On Sun, 7 Jan 2018, Linux for blind general discussion wrote:

 Following the guide at
 https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md,
 I successfully got my Raspberry Pi 3 running a near stock Raspbian
 Stretch Lite connected to my wireless network. Copying
 /etc/wpa_supplicant/wpa_supplicant.conf and running wpa_cli -i wlan0
 reconfigure, I repeated this on my Raspbery Pi 2 using a USB Wi-Fi
 dongle without any effort.

 Now, I'm trying to repeat this on a desktop that has Wi-Fi onboard
 with much less success. I installed wpasupplicant and wireless-tools
 via Aptitude, copied over the wpa_supplicant.conf file, and ran
 wpa_cli -i wlan0 reconfigure to recieve the following error message:

 Failed to connect to non-global ctrl_ifname: wlan0  error: No such
 file or directory

 And running iwconfig produces the following output:

 wlan0     IEEE 802.11  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off

 Neither of which is all that helpful, especially since the above
 mentioned successes with Raspberry Pis are the only successes I've
 ever had connecting a Linux machine to a wireless network.

 So, any ideas as to what I'm doing wrong?
 --
 Sincerely,

 Jeffery Wright
 President Emeritus, Nu Nu Chapter, Phi Theta Kappa.
 Former Secretary, Student Government Association, College of the
 Albemarle.

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