查看elasticsearch集群狀態 ``` root@test:~# curl -XGET 'http://192.168.56.100:9500/_cluster/health?pretty' { "cluster_name" : "elk6", "status" : "green", "timed_out" : false, "number_of_nodes" : 2, "number_of_data_nodes" : 2, "active_primary_shards" : 30, "active_shards" : 60, "relocating_shards" : 0, "initializing_shards" : 0, "unassigned_shards" : 0, "delayed_unassigned_shards" : 0, "number_of_pending_tasks" : 0, "number_of_in_flight_fetch" : 0, "task_max_waiting_in_queue_millis" : 0, "active_shards_percent_as_number" : 100.0 } ``` elasticsearch6檢查集群節點獲取http_address ``` root@test:~# curl -XGET 'http://192.168.56.100:9500/_cat/nodes?h=http_address' 192.168.56.100:9500 192.168.56.101:9500 ```