@darkdante    I dont have the ubuntu on my test machine but I am na tell you anyways  do the same  in Ubuntu    /etc/hosts 192.168.200.11 Master In the Master node The /etc/hostname file should contain Master ... View more

You need to chang the /etc/sysconfig/network file each node accordinly for example    Node 1  /etc/sysconfig/network on node 1 NETWORKING=yes HOSTNAME=node1 NETWORKING_IPV6=no     Restart the network and you should be able to fix the error    Let me know if that helps ... View more

Whats the status of cloudera-scm-server,Cloudera-scm-server-db,Cloudera-scm-agent ?  I assume you are using Path A  - installer.bin script ? right    did you try loggin in cloudera manager web ui like http://localhost:7180 or http://your_hostname:7180. whats ur kernel version you are ruining ?  ... View more

Why is you cluster has  "red" I am suspecting some disk space I am only guessing just run the host health check also  whats the parameter you had put in  yarn.nodemanager.resource.memory-mb yarn.scheduler.minimum-allocation-mb< mapreduce.map.memory.mb mapreduce.reduce.memory.mb   ... View more

go inside the IMPALA -SHELL    excute impala-shell  in the terminal and then once you hit the terminal .  fire the command inside the shell  [localhost:21000] > set mem_limit=6g; let me know if that works for you       ... View more

 the log says track the job  http://pc1.localdomain.com:8088/proxy/application_1500089331244_0005/ what you see ? meantime Check the Resourcemanager log and let me know   Were you able to perform Step 4    Also what is this ? why set it as root    In Yarn settings, I have set root, and default min and max cores to be 1 and 4, and min /max memory to be 1 and 4 Gb   ... View more

This is bad  - Remove the folder from hdfs   sudo -u hdfs hadoop fs -mkdir /user/root sudo -u hdfs hadoop fs -chown root /user/root     Could You Follow the below steps    Login as Root    Step 1 . Create user normal user Login as root in terminal    1 . sudo useradd hduser 2 change the password for hduser using passwd #Check if hduser user exists by performing id id hduser -> you should get result like uid=493(hdfs) gid=489(hdfs) groups=489(hdfs),492(hadoop) id mapred if so then add the user to group mapred and hdfs usermod -a -G mapred hduser usermod -a -G hdfs hduser once everything is done.      Step2 Login in your OS terminal as hduser using su - hduser    Step3    sudo -u hdfs hadoop fs -mkdir /user/hduser sudo -u hdfs hadoop fs  -chown -R  hduser /user/hduser sudo -u hdfs hadoop fs  -chmod  -R 777 /user/hduser note - 777 permission bad but since it is a test let us do em. Step4    sqoop list-databases \ --connect jdbc:mysql://localhost \ --username name --password Youpassword   Step 5 :  Perform the same for import.     Let me know if that is suffice    ... View more

Based on the Error I assume you are firing your sqoop command as "root user " .     ERROR orm.CompilationManager: Could not make directory: /root/     Try firing the same sqoop command with some non-root user make sure you give all the necessary permission for him to write / read files in hdfs .    something like  sudo addgroup hadoop sudo adduser --ingroup hadoop hduser sudo usermod -a -G hdfs hduser ... View more

@Msdhan You Welcome :))  ... View more