基础环境搭建 环境依赖安装 yum install -y epel-release yum install -y conntrack ntpdate ntp ipvsadm ipset jq iptables curl sysstat libseccomp wget 防火墙配置 systemctl stop firewalld systemctl disable firewalld iptables -F && iptables -X && iptables -F -t nat && iptables -X -t nat iptables -P FORWARD ACCEPT 关闭selinux