install elasticsearch & kibana
## download elasticsearch & kibana [root@superset min]# wget https://artifacts.elastic.co/downloads/kibana/kibana-7.16.0-x86_64.rpm --2021-12-13 13:42:14-- https://artifacts.elastic.co/downloads/kibana/kibana-7.16.0-x86_64.rpm Resolving artifacts.elastic.co (artifacts.elastic.co)... 34.120.127.130, 2600:1901:0:1d7:: Connecting to artifacts.elastic.co (artifacts.elastic.co)|34.120.127.130|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 286976720 (274M) [binary/octet-stream] Saving to: ‘kibana-7.16.0-x86_64.rpm’ 26% [================> ] 77,127,104 91.8MB/s ^C [root@superset min]# wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.16.0-x86_64.rpm --2021-12-13 13:42:39-- https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.16.0-x86_64.rpm Resolving artifacts.elastic.co (artifacts.elastic.co)... 34.120.127.130, 2600:1901:0:1d7:: Connecting to artifacts.elas