process
cat /proc/version
cat /etc/*-release
/etc/passwd 
cat /etc/*
lastlog 
id
PermitRootLogin
sestatus *
ps
mysql*
netstat*
find *
head /var/mail/root
docker
cat /etc/issue
cat /etc/*-release
cat /proc/version
uname -a
uname -mrs
rpm -q kernel
dmesg | grep Linux
ls /boot | grep vmlinuz-
cat /etc/profile
cat /etc/bashrc
cat ~/.bash_profile
cat ~/.bashrc
cat ~/.bash_logout
ps -aux | grep root
ps -ef | grep root
crontab -l
cat /etc/cron*
cat /etc/cron.allow
cat /etc/cron.deny
cat /etc/crontab
grep -i user *
grep -i pass *
ifconfig
cat /etc/network/interfaces
cat /etc/sysconfig/network
cat /etc/resolv.conf
cat /etc/networks
cvelist-file:*
exploit-db*
strings -e /etc/apache2/apache2.conf
strings -e /etc/ssh/sshd_config
strings -e /etc/shadow
iptables -L
lsof -i
netstat -antup
netstat -antpx
netstat -tulpn
arp -e
route
cat /etc/passwd
cat /etc/group
cat /etc/shadow
find / -perm -u=s
find / -perm -g=s
find / -perm -4000
find / -perm -2000