1、yum 安装ELK服务
参考文档：https://blog.****.net/tonghudan/article/details/81414387
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm cat>/etc/yum.repos.d/elasticsearch.repo<<EOF
[elasticsearch-.x]
name=Elasticsearch repository for .x packages
baseurl=https://artifacts.elastic.co/packages/6.x/yum
gpgcheck=
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=
autorefresh=
type=rpm-md
EOF yum clean all
yum install elasticsearch logstash kibana -y