###>>> curl -XGET -H 'Content-Type: application/json' 'redmercur:9200/?pretty'
{
...
"version" : {
"number" : "7.4.0",
"build_flavor" : "default",
"build_type" : "rpm",
"build_hash" : "22e1767283e61a198cb4db791ea66e3f11ab9910",
"build_date" : "2019-09-27T08:36:48.569419Z",
"build_snapshot" : false,
"lucene_version" : "8.2.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
DUP: appbaseio/dejavu#317