1、软件环境：
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[root@localhost ~]
# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
[root@localhost ~]
# uname -a
Linux localhost.localdomain 3.10.0-514.el7.x86_64
#1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]
#
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(1)修改selinux配置文件：
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[root@localhost ~]
# vim /etc/sysconfig/selinux
SELINUX=enforcing 改为 SELINUX=disabled
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(2)关闭防火墙：
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[root@localhost ~]
# systemctl disable firewalld
[root@localhost ~]
# systemctl stop firewalld
[root@localhost ~]
# iptables -F
[root@localhost ~]
# iptables -L
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IP分配如下：
master 192.168.112.140
minion 192.168.112.141
minion 192.168.112.142
(3)master和minion端部署安装
master端执行:
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[root@localhost ~]
# yum install epel-release
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