1，环境初始化配置1，#关闭现有防火墙firewalld systemctl disable firewalld systemctl stop firewalld firewall-cmd --state 2，#selinux setenforce 0 sed -ri 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config 3
1. 查看操作系统内核版本$ uname -r 3.10.0-1062.4.1.el7.x86_642. 安装ELRepo官网地址：http://elrepo.org/tiki/tiki-index.php $ rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org $ yum install https://www.elrepo.o
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