Useful Commands.md

Commands/tools I have been using frequently

NMAP

Nmap UDP scan nmap <IP> -sU

Output the nmap scan in 3 major formats nmap <IP> -oA filename

nmap scan to do service and OS detection and scan all ports nmap -p- -SV -A <IP>

[https://www.stationx.net/nmap-cheat-sheet/]

[https://highon.coffee/blog/nmap-cheat-sheet/]

Nikto

nikto -h <IP>

Directories of interest (linux)

Digital ocean has become my favorite resource for learning about Linux, straight to the point and easy to understand.

/etc/

/etc/passwd

/etc/fstab

/etc/hosts

/etc/init.d

/usr/sbin

[https://www.digitalocean.com/community/tutorials/how-to-use-passwd-and-adduser-to-manage-passwords-on-a-linux-vps]

display the first few lines of a file head file.txt display the last few lines of a file tail file.txt