Linux关闭防火墙命令
问题:老是关闭防火墙太麻烦，所以选择彻底关闭防火墙，发现每次都记不住命令!
查看防火状态
systemctl status firewalld
service iptables status暂时关闭防火墙
systemctl stop firewalld
service iptables stop永久关闭防火墙
systemctl disable firewalld
chkconfig iptables off重启防火墙
systemctl enable firewalld
service iptables restart 
