nmap
quick portscan of a subnet and display readably on terminal
nmap -sn 192.168.1.0/24 -oG -
identify service on port
nmap -sV -p80 192.168.1.1
identify OS
sudo nmap -O 192.168.1.1
uses vulscan script to check target services for vulnerabilities.
alias nmap_check_for_vulns="nmap --script=vuln"