How to crack root password

gistfile1.txt

apt install john
/usr/sbin/unshadow  passwd.txt shadow.txt  >output.db
john  output.db  --wordlist=rockyou.txt


https://github.com/praetorian-inc/Hob0Rules/raw/master/wordlists/rockyou.txt.gz
https://github.com/praetorian-inc/Hob0Rules/blob/master/README.md

apt install hashcat


https://www.nitttrchd.ac.in/imee/Labmanuals/Password%20Cracking%20of%20Linux%20Operating%20System.pdf 

https://emb-team.com/password-bruteforce-gpu/
https://github.com/berzerk0/Probable-Wordlists/tree/master
https://erev0s.com/blog/cracking-etcshadow-john/

install docker,install nvidia container. pull docker-hashcat:cuda

docker run --name hashcat --runtime=nvidia  --gpus all -it -v ./Top109Million-probable-v2.txt:/pass.txt dizcza/docker-hashcat:cuda /bin/bash

hashcat -a 0 -d 2 -O --session session_name -m 1800 '$6$Kexamplehash' /pass.txt


hashcat -m 0 -a 3 --session session_name example0.hash masks/rockyou-7-2592000.hcmask
and you hit 'c' (or 'q' for quit) while it was running (or it was stopped/killed for some other reasons).

This command resumes the above cracking job:

hashcat --session session_name --restore