my commonly used centos commands

centos commands

uname -a
who
whoami
/etc/hosts
cat /etc/*-release
cat /proc/meminfo

ll /etc/sysconfig/network-scripts/
nmtui
nmcli device
nmcli dev show eth0
ip route show
dhclient
getenforce
cat /etc/selinux/config
netstat -tulpn

iptables -S
sestatus
systemctl status firewalld

history

top
df -h
du -sh
ss -s && free -m
lscpu
free -m
vmstat -s
ps aux
ps -ef | grep "httpd"
ps -ef | grep "mysql"
ps -ef | grep "php"

@daily find /*.log -ctime +1 -exec rm -rf {} +
crontab -l
find /folder_name/ -printf '%s %p\n'| sort -nr | head -10