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Security Lab #8
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Setting up lab requirement
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Having problem with hue Current value: http://ec2-13-250-20-43.ap-southeast-1.compute.amazonaws.com:50070/webhdfs/v1 |
Apparently hue was pointing to passive namenode. After changing to active namenode and restart it works |
having problem activating kerberos
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Fixed the kerberos isu by updating executing the following command modprinc -maxlife 1days -maxrenewlife 7days +allow_renewable krbtgt/EXPECC.COM@EXPECC.COM but now got a different problem:
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Apparently, this is an expected behaviour. In order to execute command as hdfs user, we need to use hdfs.keytab to acquire kerberos ticket |
Another Problem: Canary Service is not working. This problem is resolve by opening port 1004. |
Next Problem : Try to run teragen
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add gateway role to the node where I execute the error resolve "renewer" issue but
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fixed yarn isu: rm /yarn/nm/usercache/* on all data nodes |
final result submitted |
I missed the sentry lab. Starting Sentry Lab now |
Sentry Lab is completed. Please Review |
hi,doddys: |
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