====== Ubuntu - nmap - Find Host Services version Numbers ====== Find out service’s versions which are running on remote hosts with the **"-sV"** option. sudo nmap -sV 192.168.1.69 result: Starting Nmap 6.40 ( http://nmap.org ) at 2016-07-08 01:18 BST Nmap scan report for peter-laptop-1 (192.168.1.69) Host is up (0.000017s latency). Not shown: 997 closed ports PORT STATE SERVICE VERSION 80/tcp open http nginx 1.4.6 (Ubuntu) 139/tcp open netbios-ssn Samba smbd 3.X (workgroup: PETER-LAPTOP-1) 445/tcp open netbios-ssn Samba smbd 3.X (workgroup: PETER-LAPTOP-1) Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel Service detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 13.57 seconds