elk 下载搭建
下载地址: https://elasticsearch.cn/download/
搭建:https://blog.csdn.net/qq_28650671/article/details/117786990
执行./logstash -f /etc/logstash/pipelines.yml 提示”Couldn’t find any input plugin named ‘log4j’的错误
默认捆绑的,需要手动安装bin/logstash-plugin install logstash-input-log4j