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One question I receive quite often is: how to find the Raspberry Pi IP address on the local network? It's useful to know the IP address indeed to be able to SSH the Raspberry Pi.

Quick tip:

• First, you need to know the router's address. In a terminal / command prompt, do ifconfig on Linux or ipconfig on Windows, and you will find something like:

  Default Gateway : 192.168.1.1

• Now let's use the tool nmap (available both on Linux with apt install and on Windows here). Replace the last number by 0 and use nmap like this:

  nmap 192.168.1.0/24

  This will allow nmap to scan the network for machines in the range 192.168.1.0 to 192.168.1.254.

After a few seconds, it will display if the Raspberry Pi has been found, along with its IP address.

In many Raspberry Pi distributions (such as Raspbian / RaspiOS), you need to have a file /boot/ssh (in the boot partition) to be able to SSH the RPi!