Dump Kafka Atlas Topic to Review Messages
A quick walkthrough for dumping the ATLAS_HOOK Kafka topic to inspect Atlas hook messages locally, including Kerberos authentication setup and consumer lag checks.
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Debug Kerberos Gen Credentials in CM
Learn how to enable Kerberos trace logging in Cloudera Manager’s credential generation scripts to diagnose authentication failures quickly.
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Spark Token Debug
Enable verbose Kerberos and token logging on Spark driver and executor nodes to capture the diagnostic data you need when authentication is failing. Covers log4j configuration files and the exact spark-submit flags to wire them in.
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Explain Kerberos Like I'm 5
A plain-English walkthrough of how Kerberos authentication works, using a simple analogy to make the ticket-granting process click. Perfect for anyone who has stared at a KDC diagram and felt lost.
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LDAPS and UnicodePWD
LDAPS is a hard requirement when setting passwords via unicodePwd on Active Directory. Non-TLS connections are rejected by AD itself, and SASL is not a supported alternative.
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Common Error Codes for Active Directory Authentication
A quick reference for the LDAP error codes returned during Active Directory bind operations, including what each code means and how to interpret the AcceptSecurityContext error message.
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