sudo nmap -Pn 10.0.2.15
Starting Nmap 7.92 ( https://nmap.org ) at 2022-07-03 05:22 EDT
Nmap scan report for 10.0.2.15
Host is up (0.000015s latency).
All 1000 scanned ports on 10.0.2.15 are in ignored states.
Not shown: 1000 closed tcp ports (reset)

Nmap done: 1 IP address (1 host up) scanned in 0.51 seconds

sudo nmap -sS 10.0.2.15
sudo nmap -sV 10.0.2.15

sudo nmap -A 10.0.2.15
Starting Nmap 7.92 ( https://nmap.org ) at 2022-07-03 05:17 EDT
Nmap scan report for 10.0.2.15
Host is up (0.000069s latency).
All 1000 scanned ports on 10.0.2.15 are in ignored states.
Not shown: 1000 closed tcp ports (reset)
Too many fingerprints match this host to give specific OS details
Network Distance: 0 hops

OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 4.22 seconds