Setup SD card to start anew with Pi5 running a -10

[DR]

I want to 'simply' put a new SD card into my Pi5, and have it be
reachable by VNC without having to disassemble the -10 to attach a
monitor and  keybaord to do the setup.

Is there a way, after I pull the SD card, to insert  it in another Pi5,
do the stuff to it and pull the card to insert into the -10 chassis?  I
ask because I don't  know if the PiOS configures itself during initial
setup so it can't be moved to another equal computer and run.  In other
words, does it isntall all sorts of drivers and other unique stuff which
won't work when moved to another machine?

Thanks for advice.  Dale

[Adam Morris]

As far as I am aware there is nothing about a specific Pi5 included in the OS build.  You can take a configured SD card and move it to another pi of the same model without issue.  I can't guarantee that you can take it between different models of pi though.  I.e. a card from a pi 5 might not work on a pi 3.

Adam

[DR]

Adam:

Thank you for this encouragement.  It would be simple enough to just 'do
it' and see what happens but access to the PiDP is a bit tough and want
to do it right.


I need a bigger test bench!

Dale

[Robert S]

Why not just SSH into the PiDP's Pi5 directly to make your changes?  All you need to know is the Pi's IP address and then use a SSH client like Putty or similar to log in.  There is no need to move the uSD card to another device to add/remove/configure other OS features and software.  

[DR]

OK, I ddin't know that was possible, so I'm going to see if I can find
the IP address.  That certainly would be much easier. Dale

[Clem Cole]

You’ll need to ensure ssh is enabled. You can do that a number of ways - which are too much for me to want describe on my handheld. But if you go a Google search on “enable ssh raspberry pi” they will all be spelled out. 

I would also recommend consider setting up VNC on the tip. All of my PiDPs run headless but VNC servers and I run a VNC client on Mac. 

Good luck,

Clem

Sent from a handheld expect more typos than usual

On Thu, Dec 4, 2025 at 8:58 PM DR <daleea...@gmail.com> wrote:

OK, I ddin't know that was possible, so I'm going to see if I can find
the IP address.  That certainly would be much easier. Dale

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[Clem Cole]

Sigh. Apple autocorrected rpi to be tip. Dyslexia and autocorrect are a challenge. 

Sent from a handheld expect more typos than usual

[DR]

Good thoughts all!

I figured out  your directions despite Apple's attempt to confuse.


As an aside, are there good ways to determine what IP address is running
on  a system when it is already headless and no firm ip address for a
unit (they can change with boot and reboot I've found)?

I have tried downloading a couple of programs which seem to be fine, but
ZoneAlarm has a fit telling me how infected some of those are.

I recall something like Alien IP or such which had been pretty good but
again numerous alarms about infection keep me at bay.

Thanks for all the good help on t his forum.  Dale

[Eric Brown]

Your router usually has a web interface that would show the ip addresses for the various devices on your network.

If your Mac’s ip address is 192.168.X.Y, open your web browser to http:/192.168.X.1

Sent from my iPhone

> On Dec 5, 2025, at 6:14 AM, DR <daleea...@gmail.com> wrote:
>
> Good thoughts all!

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[Clem Cole]

You might try Angry IP Scanner https://angryip.org/download

[DR]

Eric,

 yes both wired and WiFi connections are shown,but  I have more RaspPis
running than show  up (the router seems to not find all of them
although  you'd think that it would have to built the table for any
device to work) and some have the same name, just RaspPi without the IP
address working.


Ah, the fun of not having a good IT background and trying to learn!
Thanks.  Dale

[Eric Swenson]

I regularly use `nmap` to scan my local area network for open SSH ports to locate hosts that get their IP addresses via DHCP. A command line like

sudo nmap -sS -p 22 192.168.0.0/24

Will provide a list of all hosts (identified by IP address that are listening on port 22 (SSH) and not blocking access to that port through a firewall.

Adjust the CIDR, of course for your LAN.

And yes, this command will work on Linux and Macs, but you can find a Windows nmap, say, for Cygwin, or native as well. If on Windows, you’d need to run this in an Administrator shell.

As others have posted, there are alternate programs that do the same — this one is the standard command line program that is most often used.

— Eric


> On Dec 5, 2025, at 06:14, DR <daleea...@gmail.com> wrote:
>
> Good thoughts all!

[sunnyboy010101]

One of the first things I do with any system is find the MAC address for the system and write it down in a file I have listing every machine. As others have noted, most modern modem/routers used with internet providers have some kind of "connected machines" facility that will show every machine on the network. Some (like the fiber modem currently supplied by my ISP) can figure out machine name and show you the name as well as IP (assigned if DHCP or static if set) and the MAC address. Even if the machine name is not there, the MAC address is really the one unique (mostly) ID for a machine that you can use to find the IP. Once you know the IP you can use an SSH terminal program (I too use putty) to connect and log in. If the machine got it's IP from DHCP, many modems allow you to set up a 'reservation' that ties the MAC to the IP any time the machine starts, so you don't have to go hunting.

-R

[Eric Swenson]

That’s a good point. I regularly use nmap to determine the MAC address of machines that have acquired their IP address via DHCP, and then update my router so that the next time the host gets a DHCP address, it gets a fixed address.  My router (ASUS) allows me to bind MAC addresses to fixed IP addresses, and uses this table when assigning DHCP addresses to hosts whose MAC address matches an entry in the table.

The other approach I use is to use nmap to find the DHCP-assigned IP address, then SSH into that host and change it from using DHCP to a static IP address (that I pick).

— Eric

To view this discussion visit https://groups.google.com/d/msgid/pidp-10/7fba3c6b-da71-4631-ab9f-2349c858a290n%40googlegroups.com.

[Guy Sotomayor]

Yeah, anything on my network that I need to communicate with that’s headless or a server I set up with a fixed IP address through the DHCP leases that my router hands out.  It also has a local DNS server as well so I can assign a name so I don’t have to remember IP addresses.  ;-)

Since I have it all managed on my router, I don’t have to deal with each client.

TTFN - Guy

On Dec 5, 2025, at 8:47 AM, Eric Swenson <er...@swenson.org> wrote:

That’s a good point. I regularly use nmap to determine the MAC address of machines that have acquired their IP address via DHCP, and then update my router so that the next time the host gets a DHCP address, it gets a fixed address.  My router (ASUS) allows me to bind MAC addresses to fixed IP addresses, and uses this table when assigning DHCP addresses to hosts whose MAC address matches an entry in the table.

To view this discussion visit https://groups.google.com/d/msgid/pidp-10/B9821788-3032-484A-97F8-D6AA4452C577%40swenson.org.

[Michael J. Kupec]

I concur with using Angry IP Scanner!  Works great for finding IP of any new headless system I’m building (Raspberry Pi or Linux). 

Can only vouch for use under Mac OS & Linux’s. Can’t say how well it works under that swill from that foreign land of Redmond, WA. 

Michael Kupec

Sent from my iPad as its keyboard is so much easier to type on!😆

On Dec 5, 2025, at 9:54 AM, Clem Cole <cl...@ccc.com> wrote:



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