#elasticsearch的注册
https://www.elastic.co/subscriptions
https://register.elastic.co/

https://search-guard.com/

curl IP:9200/_license
curl -XPUT -u admin 'http://:/_license' -d @license.json # 注册SN

elasticsearch

https://blog.csdn.net/zk673820543/article/details/81781534 centos7搭建日志服务elasticsearch6.3.2
https://segmentfault.com/a/1190000014347757 ElasticSearch6.2.3+head插件安装
http://zhmgz.lofter.com/post/90909_e2ba538 Elasticsearch Cluster 集群安装及常见错误

https://blog.csdn.net/hololens/article/details/78932628 Elasticsearch 6.1官方入门教程

https://blog.51cto.com/liuqunying/2121528 Elasticsearch 集群许可证管理

xpack

https://blog.csdn.net/zou79189747/article/details/81164576 elasticsearch6.3.1 启用x-pack
https://blog.csdn.net/xiaoyu_BD/article/details/81698882 6.3版本x-pack破解
https://blog.csdn.net/sun_duoLong/article/details/82182596 elasticsearch 6.3.2 支持jdbc连接es 破解版
https://www.jianshu.com/p/6acfeabb44f8 Elasticsearch6.2.2 X-pack破解及安装教程

http://www.51niux.com/?id=210 安装X-Pack（十）
https://segmentfault.com/a/1190000010981283 ELK 集群 Kibana 使用 X-Pack 权限控制，监控集群状态，警报，监视,cpu，内存，磁盘空间，报告和的可视化图形

https://blog.csdn.net/haixwang/article/details/80801868 记一次elasticsearch集群升级以及x-pack安全实践

https://blog.csdn.net/shiyaru1314/article/details/53161861 Elastic stack ——X-Pack安装
https://www.jianshu.com/p/eaf54202aa08 安装 Elasticsearch、Kibana、X-Pack

https://www.jianshu.com/p/55b5c5d3a89c Elasticsearch6.2.3 X-Pack安装破解
https://www.jianshu.com/p/6acfeabb44f8 Elasticsearch6.2.2 X-pack破解及安装教程

kafka

logstash

https://www.jianshu.com/p/fc2aee61887f logstash用kafka作为输入源

filebeat