Configure Network Linux Cybersecurity on Linux 1 $ nmap -p- 192.168.2.4 1 $ netstat -tuln 1 $ sudo tcpdump -i eth0 1 $ find / -perm /6000 -type f 2>/dev/null 1 $ grep PASS /etc/login.defs 1 $ ssh-vulnkey -a 1 2 $ sudo apt install chkrootkit $ chkrootkit 1 $ lsof -i -P -n 1 $ nikto -h http://192.168.1.10 1 $ grep -r "password" /etc/