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Month: April 2017

Hortonworks : Script how to Disable THP redhat 7 ?

Hortonworks : Script how to Disable THP redhat 7 ? #!/bin/bash ### BEGIN INIT INFO # Provides: disable-transparent-hugepages # Required-Start: $local_fs # Required-Stop: # X-Start-Before: mongod mongodb-mms-automation-agent # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Disable Linux transparent huge pages # Description: Disable Linux transparent […]

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Hortonworks : Curl commands for Ambari Rest API

Hortonworks : Curl commands for Ambari Rest API Example how to get the alerts and hosts : curl -i -k -u userX:Pass  ‘http://AMBARI_HOST:8080/api/v1/clusters/CLUSTER_NAME/alerts/15’ curl -i -k -u userX:Pass  ‘http://AMBARI_HOST:8080/api/v1/clusters/CLUSTER_NAME/alert_definitions/’ curl -i -k -u userX:Pass  ‘http://AMBARI_HOST:8080/api/v1/clusters/CLUSTER_NAME/alerts/15’ curl -i -k -u userX:Pass  ‘http://AMBARI_HOST:8080/api/v1/clusters/CLUSTER_NAME/services’ curl -i -k -u userX:Pass  ‘http://AMBARI_HOST:8080/api/v1/clusters/CLUSTER_NAME/hosts’ Here is an […]

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List of All principals, Keytabs and service in Hortonworks Kerberized cluster

Each service and sub-service in Hadoop must have its own principal. A principal name in a given realm consists of a primary name and an instance name, in this case the instance name is the FQDN of the host that runs that service. As services do not log in with […]

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[RESOLVED] kinit: Failed to store credentials: Internal credentials cache error

[RESOLVED] kinit: Failed to store credentials: Internal credentials cache error The following error is shown when starting Start Spark Thrift Server Execution of ‘/usr/bin/kinit -kt /etc/security/keytabs/spark.headless.keytab spark@XXXXXXX; ‘ returned 1. kinit: Failed to store credentials: Internal credentials cache error (filename: /tmp/krb5cc_${uid}) while getting initial credentials The following error is shown […]

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Connection failed: Access denied for user 'talendexpertdb'@'n3nlwpweb007.prod.ams3.secureserver.net' (using password: YES)