-> Installing x-pack/...
Trying https://download.elastic.co/elasticsearch/release/org/elasticsearch/plugin/x-pack/2.3.1/x-pack-2.3.1.zip ...
ERROR: failed to download out of all possible locations..., use --verbose to get detailed information
....
for more info in my kibana when I tried to install x- pack I got this response...
bin/kibana-plugin install x-pack
Kibana now contains X-Pack by default, there is no longer any need to install it as it is already present.
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