Help with wireless connection

[Brian Denley]

Not sure what I am missing. I had no trouble connecting with the pidp-11 wirelessly with terminal software last time I tried (5 months ago) but now I just seem to forget how. Does the pidp-11 pi broadcast? How do I find the pi’s address?
This was easy months ago. I must be doing something wrong but what? I have tried 4 or 5 different terminal programs.

Thanks for any help.

Brian Denley
KB1VBF
Sent from my iPad

[timr...@gmail.com]

If it's a newer Rasp Pi it will have wi-fi built in.  If not you need the USB wi-fi thingy.  This link https://www.seeedstudio.com/blog/2021/01/25/three-methods-to-configure-raspberry-pi-wifi/
 appears to be a good discussion on how to do it.  I never have set up wi-fi on mine.  I prefer wired.  Hope this helps.

[Marco]

Assuming you had it working a couple of months ago, as you said, and no settings have been changed in the mean time, then it shouldn't be too hard.

- reboot the pidp-11, just to make sure. Sometimes the WiFi becomes unstable after a while, specially with older Pi models.

- the easiest way is to temporarily hook up a screen and keyboard to the Pi, if booting into the GUI first open a terminal window on the Pi, and type 'ifconfig'. it will show you the IP addresses ('inet') of the configured network interfaces, including wifi ('wlan0' probably). Then you can open a remote shell to the pidp-11. You want to specify the user 'pi' with the connection.

- if the above is not an option, then the harder way is to use a network scanner and try to identify the pi from the found nodes on your subnet. A free simple one is more than enough for this purpose.

- which terminal program you use, from whatever common platform (Windows, Linux, Mac), should not matter. Once you have found the Pi's IP address you can ping it to check if it can be reached in the first place (assuming you don't have a super restrictive firewall running on the PI...).

Op maandag 18 april 2022 om 23:22:11 UTC+2 schreef b.de...@comcast.net:

[Fabrizio Furnari]

Hi, my two cents: usually Raspbian (or what-is-called-now)
advertises it's IP also using mDNS, so assuming your raspberry
hostname is "raspberry" (the default?) you can discover the IP
address pinging "raspberry.local" from any computer connected to
the same (wifi/cabled) net.

This usually works, if you cannot resolve/ping the address there's
a chance that the raspberry cannot connect to the network at all:
maybe the wifi passphrase has changed? maybe the microSD card is
corrupted? (this happens very frequently to me...)

F

[Clem Cole]

If you have access to a Mac, you might want to try: Adafruit Raspberry PI finder

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[Clem Cole]

BTW - I just took a peek on their web site, it looks like it's now on Windows and Linux also.   I've only run it from a mac.