Here is the sandbox version:
[root@sandbox-hdp ~]# sandbox-version
Sandbox information:
Created on: 01_02_2018_10_47_41
Hadoop stack version: Hadoop 2.7.3.2.6.4.0-91
Ambari Version: 2.6.1.0-143
Ambari Hash: 2989989d67edacff7e9db702b4cf0c080556dddc
Ambari build: Release : 143
Java version: 1.8.0_161
OS Version: CentOS release 6.9 (Final)