nmap -sV 192.168.0.100
2211/tcp open ssh OpenSSH 6.6.1p1 Ubuntu 2ubuntu2.3 (Ubuntu Linux; protocol 2.0)
nmap find ssh port
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nmap -sV 192.168.0.100
2211/tcp open ssh OpenSSH 6.6.1p1 Ubuntu 2ubuntu2.3 (Ubuntu Linux; protocol 2.0)
nmap -v -sS -sU -PN -p 1-65535 linux4you.tk
It will take some time.