[root@elastic-a1 elasticsearch]# /usr/share/elasticsearch/bin/elasticsearch-plugin install x-pack
-> Downloading x-pack from elastic
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@ WARNING: plugin requires additional permissions @
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- java.lang.RuntimePermission accessClassInPackage.com.sun.activation.registries
- java.lang.RuntimePermission getClassLoader
- java.lang.RuntimePermission setContextClassLoader
- java.lang.RuntimePermission setFactory
- java.security.SecurityPermission createPolicy.JavaPolicy
- java.security.SecurityPermission getPolicy
- java.security.SecurityPermission putProviderProperty.BC
- java.security.SecurityPermission setPolicy
- java.util.PropertyPermission * read,write
- java.util.PropertyPermission sun.nio.ch.bugLevel write
- javax.net.ssl.SSLPermission setHostnameVerifier
See http://docs.oracle.com/javase/8/docs/technotes/guides/security/permissions.html
for descriptions of what these permissions allow and the associated risks.
Continue with installation? [y/N]y
-> Installed x-pack