摘要：master节点安装元数据库，采用postgres:#useradd postgres#password postgressu - postgreswget https://ftp.postgresql.org/pub/source/v10beta2/postgresql-10beta2.tar.g 阅读全文

摘要：关闭防火墙 #systemctl stop firewalld.service #停止firewall #systemctl disable firewalld.service #禁止firewall开机启动 关闭selinux #vi /etc/selinux/config SELINUX=dis 阅读全文