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I copied the latest (April 18th) Raspbian lite image to a 32 GB SD card with Imager. Then I created an empty ssh file and the wpa_supplicant.conf file with ssid and psk as I use them on my laptop. After booting the pi I tried to ping (from Mac or Linux) it but:

ping: cannot resolve pi@raspberrypi.local: Unknown host

Here the file:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=DE

network={
 ssid="myNet"
 psk="xxx"
}

What could be missing? Thanks for any help

geistgesicht
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    You should not include the user id in the ping. Try ping raspberrypi.local. – Dirk Apr 18 '20 at 12:14
  • Then I created an ssh folder 0 you mean empty file? I wonder if having a folder would actually work? and the wpa_supplicant.conf file with said and psk as I use them on my laptop - in the correct format, right? – Jaromanda X Apr 18 '20 at 13:39
  • Sorry, I created an empty ssh file (touch /Volumes/boot/ssh)

    And removing pi@ didn't help

     – geistgesicht Apr 18 '20 at 13:49
  • Does the router show the Pi connected? Did you put the country code in the wpa_supplicant file? It may be best if you show the file here with the SSID and password replaced with x - leave all quotes etc as is and edit the question using the code option so we can see the actual layout please. Are you trying to connect from a Mac, PC or Linux box? –  Apr 18 '20 at 14:11
  • The pi doesn't show up in the router. Here the file: `ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 country=DE

    network={ ssid="myNet" psk="xxx" }`

    The file has the correct line breaks as in [https://www.raspberrypi.org/documentation/configuration/wireless/headless.md]

     – geistgesicht Apr 18 '20 at 14:25
  • If you booted the RasPi with /boot/ssh and then look afterwards into that directory, is /boot/ssh still there? Please address me with @Ingo, otherwise I won't see your reply. – Ingo Apr 20 '20 at 19:31

2 Answers2

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If you can log on to the Pi, try executing this command:

rfkill list all

You may see something like this:

0: phy0: Wireless LAN

  Soft blocked: yes

  Hard blocked: no

1: hci0: Bluetooth

  Soft blocked: yes

  Hard blocked: no

A hard block is caused by a hardware switch, which I don't think the Pi has. A soft block can be removed with:

rfkill unblock wifi

This worked for me, even after a reboot. I got the hint from https://askubuntu.com/questions/566799/wifi-soft-blocked-by-rfkill-on-startup

Peter bill
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  • As you can read in the title, the OP has a headless installation, so he cannot do what you suggested. – Ingo Apr 20 '20 at 19:23
  • @Ingo It is possible to edit the OS image. See e.g. https://raspberrypi.stackexchange.com/a/109750/101680 – Peter bill Apr 20 '20 at 20:55
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I found out that model B+ V 1.2 doesn't have a WIFI chip

geistgesicht
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  • Please accept your own answer with a click on the tick on its left side. Only this will finish the question and it will not pop up again year for year. – Ingo Apr 27 '20 at 11:29