CentOS6.3 install MySQL5.6.10 and modify the MySQL root User Password

Environment: CentOS6.3 minimizes the default installation and configures the NIC. Before installing MySQL, check that the Internet connection is normal to download the installation file. Use the yum-yupdate command to upgrade the system to the latest version. This installation separates the MySQL data file from the execution file. If you want to set it to a different path, pay attention to modifying the corresponding execution command and number

Environment: CentOS 6.3 minimizes the default installation and configures the NIC. Before installing MySQL, check that the Internet connection is normal to download the installation file. Use the yum-y update command to upgrade the system to the latest version. This installation separates the MySQL data file from the execution file. If you want to set it to a different path, pay attention to modifying the corresponding execution command and number

Environment: CentOS 6.3 minimizes the default installation and configures the NIC.

Before installing MySQL, check that the Internet connection is normal to download the installation file.

Use the yum-y update command to upgrade the system to the latest version.

This installation separates the MySQL data file from the execution file. If you want to set a different path, modify the corresponding execution command and database initialization script.

# Modify firewall settings and open port 3306

Vi/etc/sysconfig/iptables

-A input-m state -- state NEW-m tcp-p tcp -- dport 3306-j ACCEPT

# Restart the firewall to make the new settings take effect

Service iptables restart

# New User Group

Groupadd mysql

# Add a user

Useradd mysql-g mysql

# Create a database execution file directory

Mkdir-p/usr/local/mysql

# Creating a database data file directory

Mkdir-p/db/mysql/data

# Modifying directory owner

Chown-R mysql: mysql/usr/local/mysql

Chown-R mysql: mysql/db/mysql/data

Chown-R mysql: mysql/usr/local/mysql /.

Chown-R mysql: mysql/db/mysql/data /.

# Edit PATH search PATH

Vi/etc/profile

Append these 2 lines to the end of the file:

PATH =/usr/local/mysql/bin:/usr/local/mysql/lib: $ PATH

Export PATH

# Effective PATH search PATH

Source/etc/profile

# Edit the hosts file and add the local IP address and Host Name

192.168.211.100 centhost. centdomain

# Install the tools and libraries required for compiling source code

Yum-y install wget gcc-c ++ ncurses-devel cmake make perl

# Go To The Source Code compressed package download directory

Cd/usr/src

# Download the source code compressed package

Wget: // cdn.mysql.com/

# Decompress the source code package

Tar-zxv-f mysql-5.6.10.tar.gz

# Enter the decompressed source code directory

Cd mysql-5.6.10

# From mysql5.5, mysql source code Installation started using cmake and executed the source code compilation and configuration script.

Cmake

-DCMAKE_INSTALL_PREFIX =/usr/local/mysql

-DMYSQL_UNIX_ADDR =/usr/local/mysql. sock

-DDEFAULT_CHARSET = utf8

-DDEFAULT_COLLATION = utf8_general_ci

-DWITH_MYISAM_STORAGE_ENGINE = 1

-DWITH_INNOBASE_STORAGE_ENGINE = 1

-DWITH_ARCHIVE_STORAGE_ENGINE = 1

-DWITH_BLACKHOLE_STORAGE_ENGINE = 1

-DWITH_MEMORY_STORAGE_ENGINE = 1

-DWITH_READLINE = 1

-DENABLED_LOCAL_INFILE = 1

-DMYSQL_DATADIR =/db/mysql/data

-DMYSQL_USER = mysql

-DMYSQL_TCP_PORT = 3306

# Compile the source code. This step will take a long time and be patient.

Make

# Installation

Make install

# Copy the configuration file

Cp/usr/local/mysql/support-files/my-default.cnf/etc/my. cnf

# Enter the installation path

Cd/usr/local/mysql

# Execute the configuration script

Scripts/mysql_install_db -- user = mysql -- datadir =/db/mysql/data

# Copy the Service Startup Script

Cp/usr/local/mysql/support-files/mysql. server/etc/init. d/mysql

# Start the MySQL Service

Service mysql start

# Set automatic start of service upon startup

Chkconfig mysql on

>>>>>>>>>>>>>> Complete

Modify the password of the root user of MySQL and enable remote connection.

Mysql> use mysql;

Mysql> desc user;

Mysql> grant all privileges on *. * TO root @ "%" identified by "root"; // Add the remote connection capability TO the root user

Mysql> update user set Password = password ('000000') where User = 'root'; // set the root user Password

Mysql> select Host, User, Password from user where User = 'root ';

Mysql> flush privileges;

Mysql> exit