michaelwrong的专栏

因为建设一个数据共享交换平台，设计用ES做全文检索，按照官网教程依次安装Elasticsearch、Kibana、Logstash，前两个都能顺利通过sudo -i service xxxx start，但是这个logstash在安装的时候总是提示System has not been booted with systemd as init system (PID 1). Can't operate.起初从百度搜索相关答案基本上都相关性不大，也去StackOverflow找，一样没有太靠谱的。大概是程序

任务：从接口取用电量数据，字段如下：{ "queryTime": "2020-04-03", "parkName": "XXXXX", "totalEle": "5.6", "totalPt": "369", "p_unit": "kW", "u_unit": "V", "ele_unit": "kWh", "i_unit": ...