MySQL configuration in CDH installation

install MySQL

1、 Installation package preparation

1.1、 Before installation, you need to check whether there is mysql

rpm -qa | grep -i mysql

If yes, uninstall and delete

rpm -e --nodeps xxx

1.2、 Delete the original image dependency

yum remove mysql-libs

1.3、 download MySQL Rely on and install

yum install libaio
yum -y install autoconf

wget https://downloads.mysql.com/archives/get/p/23/file/MySQL-shared-compat-5.6.24-1.el6.x86_64.rpm

wget https://downloads.mysql.com/archives/get/p/23/file/MySQL-shared-5.6.24-1.el6.x86_64.rpm

[[email protected] software]$ rpm -ivh MySQL-shared-5.6.24-1.el6.x86_64.rpm

[[email protected] software]# rpm -ivh MySQL-shared-compat-5.6.24-1.el6.x86_64.rpm

1.4、 Download the following package in software/mysql-libs in

MySQL-client-5.6.24-1.el6.x86_64.rpm
mysql-connector-java-5.1.27.tar.gz
MySQL-server-5.6.24-1.el6.x86_64.rpm

2、 install MySQL The server

2.1、 install MySQL Server side

[[email protected] mysql-libs]# rpm -ivh MySQL-server-5.6.24-1.el6.x86_64.rpm

2.2、 Check the randomly generated password

[[email protected] mysql-libs]# cat /root/.mysql_secret

2.3、 see MySQL state

service mysql status

2.4、 start-up MySQL

service mysql start

3、 install MySQL client

3.1、 install MySQL client

[[email protected] mysql-libs]# rpm -ivh MySQL-client-5.6.24-1.el6.x86_64.rpm

3.2、 link MySQL（ Use random passwords ）

[[email protected] mysql-libs]# mysql -uroot -pxxx

3.3、 Change Password

mysql>SET PASSWORD=PASSWORD(‘000000’);

3.4、 sign out MySQL

mysql>exit;

4、MySQL in user The host configuration in the table

Configuration as long as it is root user + password , You can login on any host MySQL database .

4.1、 Sign in MySQL

mysql -u root -pxxx

4.2、 Display database

mysql>show databases;

4.3、 Use MySQL database

mysql>use mysql;

4.4、 Show the table of this library

mysql>show tables;

4.5、 Exhibition user Table structure

mysql>desc user;

4.6、 Inquire about user surface

mysql>select user,host,password from user;

4.7、 modify user surface , hold host Change the content to %

mysql>update user set host=‘%’ where host=‘localhost’;

4.8、 Delete root Other users host

mysql>delete from user host != ‘%’;

4.9、 Refresh

mysql>flush privileges;

4.10、 sign out

mysql>exit;

5、MySQL CSCEC and CDH Related libraries

mysql>GRANT ALL ON scm.* TO ‘scm’@‘%’ IDENTIFIED BY ‘scm’;

mysql>CREATE DATABASE scm DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;

mysql>CREATE DATABASE hive DEFAULT CHARSET utf8 COLLATE utf8_general_ci;

mysql>CREATE DATABASE oozie DEFAULT CHARSET utf8 COLLATE utf8_general_ci;

mysql>CREATE DATABASE hue DEFAULT CHARSET utf8 COLLATE utf8_general_ci;

thus MySQL Relevant operations are completed .