A basic guide and workflow for penetration testing in accordance with the OSCP Certification
https://www.abatchy.com/2016/12/kioptrix-3-walkthrough-vulnhub
https://blog.ropnop.com/upgrading-simple-shells-to-fully-interactive-ttys/
https://rastating.github.io/kioptrix-level-3-ctf-walkthrough/
https://medium.com/@hakluke/haklukes-ultimate-oscp-guide-part-3-practical-hacking-tips-and-tricks-c38486f5fc97