Prestodb logoConnect Presto to Cloudera Hive with Kerberos Authentication

Presto includes Hive connector to access Hive data warehouse. Warehouse data is stored in the Hadoop Distributed File System (HDFS) or in S3 compatible storages. Data files located in Hive warehouse are in varieties of formats and data size can be enormous. Presto uses Hive metastore to discover schemas and …

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Kerberos logoCreate Ticket Cache File for Kerberos Authentication in Linux

Kerberos credentials can be stored in Kerberos ticket cache. They are valid for relatively short period of time. The period can be a session or a specified timeframe. A Kerberos ticket cache contains a service and a client principal names, lifetime indicators, flags, and the credential itself. Kerberos 5 client …

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Kerberos logoCreate Keytab for Kerberos Authentication in Linux

Keytab stands for key table. It is a file which stores one or more Kerberos principals with corresponding encrypted keys. Encrypted keys are generated based on user passwords. It allows to secure storing of passwords and authenticate users without entering of passwords. The current version of the Kerberos protocol is …

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