curl 'http://192.168.1.43:9200/_license'
https://register.elastic.co/xpack_register json
lrzsz或者winscp均可以
curl 'http://192.168.1.43:9200/_xpack/license?acknowledge=true' -H "Content-Type:application/json" -d @es.json {"acknowledged":true,"license_status":"valid"} es.json: 是你上面下載的證書(免費日期爲一年 後續須要本身下載更新)