nmap

Basic Usage

nmap $TIP

Do default script Scan

nmap -sC $TIP

Get the versions of services

nmap -sV $TIP

# We can also combine the above two
nmap -sC -sV $TIP

All Ports

nmap -p- $TIP

# -p is for port at - is an infinite range basically. You can also do things like
# -p 5-10