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zunman
/ 0_reuse_code.js
Created
December 15, 2015 14:49
Here are some things you can do with Gists in GistBox.
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| // Use Gists to store code you would like to remember later on | |
| console.log(window); // log the "window" object to the console |
zunman
/ cdh_prereq1.txt
Last active
December 31, 2015 15:01
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| $ cat /proc/sys/vm/swappiness | |
| $ sudo sysctl vm.swappiness=1 |
zunman
/ cdh_prereq2
Created
December 31, 2015 15:05
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| $ sudo /etc/init.d/iptables save | |
| $ sudo /etc/init.d/iptables stop | |
| $ sudo chkconfig iptables off |
zunman
/ cdh_prereq3
Created
December 31, 2015 15:06
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| $ sudo su - | |
| $ echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled | |
| $ echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag |
zunman
/ cdh_prereq4.txt
Last active
January 8, 2016 16:39
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| $ sudo yum install mysql-server | |
| //I faced InnoDB related issues with the installed version of mysql so updated it to 5.5.x | |
| $ sudo rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm | |
| $ sudo yum install mysql.`uname -i` yum-plugin-replace | |
| $ sudo yum replace mysql --replace-with mysql55w | |
| $ sudo /sbin/chkconfig --levels 235 mysqld on | |
| $ sudo service mysqld start | |
| $ sudo mysql_secure_installation |
zunman
/ cdh_prereq5.txt
Last active
January 8, 2016 16:45
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| $ cd /opt/ | |
| $ sudo wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz | |
| $ sudo tar xzf jdk-7u79-linux-x64.tar.gz | |
| $ cd /opt/jdk1.7.0_79/ | |
| $ sudo alternatives --install /usr/bin/java java /opt/jdk1.7.0_79/bin/java 2 | |
| $ sudo alternatives --config java | |
| //[select /opt/jdk1.7.0_79/bin/java] |
zunman
/ cdh_prereq6.txt
Created
December 31, 2015 15:17
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| $ sudo wget http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-$ java-5.1.37.tar.gz | |
| $ sudo tar zxvf mysql-connector-java-5.1.37.tar.gz | |
| $ sudo mkdir /usr/share/java | |
| $ sudo mv mysql-connector-java-5.1.37/mysql-connector-java-5.1.37-bin.jar /usr/share/java/mysql-connector-java.jar |
zunman
/ cdh_prereq7.txt
Last active
December 31, 2015 15:19
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| $ cd /etc/yum.repos.d | |
| $ sudo wget https://archive.cloudera.com/cm5/redhat/6/x86_64/cm/cloudera-manager.repo | |
| $ sudo yum install cloudera-manager-server cloudera-manager-daemons cloudera-manager-agent jdk java |
zunman
/ cdh_prereq8.txt
Last active
December 31, 2015 15:22
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| $ mysql –u root –p | |
| mysql> create database testdb; | |
| mysql> create database rman; | |
| mysql> create database hive; | |
| mysql> create database oozie; | |
| mysql> grant all on testdb.* to 'root' identified by 'password'; | |
| mysql> grant all on rman.* to 'rman' identified by 'rman'; | |
| mysql> grant all on hive.* to 'hive' identified by 'hive'; | |
| mysql> grant all on oozie.* to 'oozie' identified by 'oozie'; | |
| mysql> exit; |
zunman
/ cdh_prereq9_db.properties.txt
Last active
December 31, 2015 15:28
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| # Copyright (c) 2013 Cloudera, Inc. All rights reserved. | |
| # | |
| # This file describes the database connection. | |
| # | |
| # The database type | |
| # Currently 'mysql', 'postgresql' and 'oracle' are valid databases. | |
| com.cloudera.cmf.db.type=mysql | |
| # The database host | |
| # If a non standard port is needed, use 'hostname:port' | |
| com.cloudera.cmf.db.host=localhost |
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