一.主机环境配置(centos7.6)

1 #所有主机分别设置如下 2 # hostnamectl set-hostname master 3 # hostnamectl set-hostname node1 4 # hostnamectl set-hostname node2

#所有主机设置相同 # cat /etc/hosts ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ? 192.168.11.111 master 192.168.11.112 node1 192.168.11.113 node2

# cat /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE="Ethernet" BOOTPROTO="static" NAME="eth0" DEVICE="eth0" ONBOOT="yes" IPADDR="192.168.11.111" PREFIX="24" GATEWAY="192.168.11.253" ? # cat /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE="Ethernet" BOOTPROTO="static" NAME="eth0" DEVICE="eth0" ONBOOT="yes" IPADDR="192.168.11.112" PREFIX="24" GATEWAY="192.168.11.253" ? # cat /etc/sysconfig/network-scripts/ifcfg-eth0 TYPE="Ethernet" BOOTPROTO="static" NAME="eth0" DEVICE="eth0" ONBOOT="yes" IPADDR="192.168.11.113" PREFIX="24" GATEWAY="192.168.11.253" ? # 注意：阿里云ecs可以不用设置

# sed -ri ‘s/SELINUX=enforcing/SELINUX=disabled/‘ /etc/selinux/config

[[email protected] ~]# sestatus SELinux status: disabled

# ntpdate time1.aliyun.com

# swapoff -a

# cat /etc/fstable ... #/dev/mapper/centos-swap swap swap defaults 0 0
#注释上面一行即可

# systemctl disable firewalld # systemctl stop firewalld [[email protected] ~]# firewall-cmd --state not running [[email protected] ~]#

# yum -i install iptables-services # systemctl enable iptables # systemctl stop iptables # iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X # iptables -P FORWARD ACCEPT # service iptables save