Member since
09-18-2015
3274
Posts
1159
Kudos Received
426
Solutions
My Accepted Solutions
Title | Views | Posted |
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2161 | 11-01-2016 05:43 PM | |
6649 | 11-01-2016 05:36 PM | |
4202 | 07-01-2016 03:20 PM | |
7173 | 05-25-2016 11:36 AM | |
3491 | 05-24-2016 05:27 PM |
03-01-2016
02:24 AM
see this http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/FileSystemShell.html#mkdir
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03-01-2016
02:23 AM
@Amit Sharma Whats the error? su - hdfs hdfs dfs -mkdir /tmp/test Is your cluster up ? Please share more details on your environment.
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03-01-2016
01:51 AM
@henryon wen This can save you lot of time https://github.com/abajwa-hw/security-workshops The above guide is very helpful to learn security setup. You asked for official doc https://cwiki.apache.org/confluence/display/RANGER/Configure+Ranger+UserSync+for+LDAP
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03-01-2016
01:44 AM
@Michael Ionkin https://cwiki.apache.org/confluence/display/AMBARI/Blueprint+Support+for+HA+Clusters You may want to reinstall with correct steps/configs otherwise, you have to format the namenode manually to bring up NN. ERROR namenode.NameNode (NameNode.java:main(1712)) - Failed to start namenode.
java.io.IOException: NameNode is not formatted hadoop namenode -format
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03-01-2016
01:34 AM
@Aniruddha Joshi http://192.168.110.131:8080 is ambari url 1) ambari-server start if its not up 2) http://192.168.110.131:8080 , if ambari server up and you are not able to access the url then we have to check port forwarding
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03-01-2016
01:18 AM
@Kit Menke
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03-01-2016
01:07 AM
@Zaher Mahdhi Open this as new question to avoid confusion
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03-01-2016
01:06 AM
@Heath Abelson Login to Ambari server and run ambari-server start --> I believe server is up as you can make rest calls I see that you cannot reset the ambari database as cluster is in use already. Do you have access to support?
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03-01-2016
12:32 AM
1 Kudo
@Prakash Punj a.) Folder protection - I am using Ranger, HDFS policies to protect folders. You can use Ranger HDFS plugin to control Authorization piece. b.) Need to know how to protect database - I looked at Ranger Hive plugin, but even after creating a policy to allow access to some database, that user is able to see other databases. You have to DISABLE hive cli. Hive plugin works with beeline and other mechanism except Hive CLI c.) Any other idea ?
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03-01-2016
12:26 AM
@Zaher Mahdhi I see that you are using HDP 2.3.4.0-3485 See the following [root@phdns01 ~]# find / -name hadoop-streaming* /usr/hdp/2.3.4.0-3485/hadoop-mapreduce/hadoop-streaming-2.7.1.2.3.4.0-3485.jar /usr/hdp/2.3.4.0-3485/hadoop-mapreduce/hadoop-streaming.jar /usr/hdp/2.3.4.0-3485/oozie/share/lib/mapreduce-streaming/hadoop-streaming-2.7.1.2.3.4.0-3485.jar [root@phdns01 ~]#
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