centos 7 安装MySQL 5.7.23

centos 7 安装MySQL 5.7.23

 

1、  上传MySQL安装包到服务器
mysql-5.7.23-linux-glibc2.5-x86_64.tar.gz

2、  解压MySQL安装包
tar -zxvf mysql-5.7.23-linux-glibc2.5-x86_64.tar.gz
 

3、  将解压的安装包移动到/usr/local下并命名为mysql-------(typically /usr/local/mysql)

mv mysql-5.7.23-linux-glibc2.5-x86_64 /usr/local/mysql
 

Directory	Contents of Directory
bin	mysqld server, client and utility programs
docs	MySQL manual in Info format
man	Unix manual pages
include	Include (header) files
lib	Libraries
share	Error messages, dictionary, and SQL for database installation
support-files	Miscellaneous support files

4、  添加用户组mysql

shell> groupadd mysql 

5、  添加用户mysql

   shell> useradd -r -g mysql -s /bin/false mysql

6、  创建目录
mkdir –p /usr/local /mysql/data

7、  修改目录权限
Chown –R mysql:mysql /usr/local /mysql
 

8、  初始化mysql数据库，并记录临时密码
/usr/local/mysql/bin/mysqld --initialize --user=mysql --datadir=/usr/local/mysql/data --defaults-file=/etc/my.cnf
 

9、  数据库加密
/usr/local/mysql/bin/mysql_ssl_rsa_setup –datadir=/usr/local /mysql/data
 

10、       vi /etc/my.cnf
[mysqld]
basedir=/usr/local/mysql
datadir=/usr/local /mysql/data
socket=/tmp/mysql.sock
 

11、       cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
修改启动脚本参数
vi /etc/init.d/mysqld
basedir=/usr/local/mysql
datadir=/usr/local /mysql/data
 

12、       启动mysql
chkconfig –add mysqld
/etc/init.d/mysqld start
 

13、       登录
mysql –uroot –p’临时密码’
 

14、       修改登录密码
set password=password(‘mysql’);
 

15、       配置环境变量

export DATADIR=/usr/local /mysql/data

export BASEDIR=/usr/local/mysql

export PATH=$BASEDIR/bin:$PATH