Authenticate scripts on HDFS using key.tab file

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How to authenticate scripts on hadoop hdfs in a kerberos environment using key-tab file. we get GSS authentication error

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user3754136 On BEST ANSWER
kinit -kt `whoami`.keytab `whoami`@INTRANET.SERVER.COM

placing the key-tab file in hdfs user home folder and adding above in start of all scripts worked for me.