Centos7 deploying MySQL environment

1. Download from the official website mysql Installation package , Official website address https://dev.mysql.com/

    This use mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz Installation

 2. Put the installation package in /usr/local below , And extract the

   tar -xvf   mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz

4、 Copy mysql To /usr/local/mysql In the folder

   cp mysql-5.7.17-linux-glibc2.5-x86_64   /usr/local/mysql   -r

5、 Add system mysql Group and mysql user

    groupadd mysql and useradd -r -g mysql mysql

6、 Enter the installation mysql Software Directory ： Carry out orders  

   cd /usr/local/mysql

7. Modify owner

  chown -R mysql:mysql ./

8、 Create before installing the database data Catalog

 mkdir /usr/local/mysql/data

9、 Initialize database ：

stay 5.7 Initialization requires mysqld  --initialize

terms of settlement ：

1. Put the source code in the package /usr/local/mysql/mysql-5.7.22-linux-glibc2.12-x86_64/share/english/errmsg.sys Copied to the /usr/share/mysql/errmsg.sys

2. Remove at the same time data The data in it , Reinitialize