cent0S 7 安装 cdh5.13 笔记之一：
安装saltstack minion
客户机1台 (vm-repo.pepstack.com 192.168.122.18)：
/etc/hosts
192.168.122.223 cent7-clone n1 cent7-n1.pepstack.com 192.168.122.224 cent7-clone1 n2 cent7-n2.pepstack.com 192.168.122.225 cent7-clone2 n3 cent7-n3.pepstack.com
节点机3台，安装软件如下：
n1 cent7-clone cent7-n1.pepstack.com 192.168.122.223 namenode, datanode n2 cent7-clone1 cent7-n2.pepstack.com 192.168.122.224 standby, datanode n3 cent7-clone2 cent7-n3.pepstack.com 192.168.122.225 datanode
1 每台机器上安装saltstack minion
1) 分别给每台机器设置hostname
hostnamectl set-hostname cent7-n1.pepstack.com
2) 给每台机器设置 /etc/hosts
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# salt-master 192.168.122.18 repo.pepstack.com # salt-minion, hacl node 192.168.122.223 cent7-n1.pepstack.com 192.168.122.224 cent7-n2.pepstack.com 192.168.122.225 cent7-n3.pepstack.com
设置 nameserver
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DNS1=192.168.122.1
systemctl restart network
3) 安装 salt-minion
参考： https://www.vultr.com/docs/how-to-install-saltstack-on-centos-7
yum install wget net-tools yum update -y && reboot yum install https://repo.saltstack.com/yum/redhat/salt-repo-2017.7-1.el7.noarch.rpm yum clean expire-cache yum install salt-minion
修改文件：
vi /etc/salt/minion
如下：
master: repo.pepstack.com
hash-type: sha256
设置minion_id:
echo "cent7-n1.pepstack.com" > /etc/salt/minion_id
启用服务：
systemctl start salt-minion.service systemctl enable salt-minion.service