OS：CentOS 7
1	系统更新
	yum update
2	安装阿里云监控插件（若已安装则跳过）
	wget -e ‘http_proxy=hzcmsproxy.aliyun.com:3128’ -O /tmp/cloudmonitor.tar.gz ‘http://oss-cn-hangzhou.aliyuncs.com/cloudmonitor-agent/release/1.0.48/linux64/agent-linux64-1.0.48-package.tar.gz‘
	mkdir /usr/local/cloudmonitor
	tar -xf /tmp/cloudmonitor.tar.gz -C /usr/local/cloudmonitor
	/usr/local/cloudmonitor/wrapper/bin/cloudmonitor.sh install
	/usr/local/cloudmonitor/wrapper/bin/cloudmonitor.sh start
3	关闭防火墙
	systemctl stop firewalld
	systemctl disable firewalld