### 1.**目录定义**
安装包文件下载目录:/home
Mysql目录安装位置:/www/server/mysql
数据库保存位置:/www/server/mysql/data
日志保存位置:/www/server/mysql/log
### 2. **下载二进制安装包**
```
[root@local ~]# cd /home
[root@local ~]# wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.25-linux-glibc2.12-x86_64.tar.gz
```
### 3. **创建用户组**
创建一个用户组mysql和一个不能执行shell登录的用户mysql
```
[root@local ~]# groupadd mysql
[root@local ~]# useradd -r -g mysql -s /bin/false mysql
```
### 4. **解压安装**
```
[root@local ~]# tar zxvf mysql-5.7.25-linux-glibc2.12-x86_64.tar.gz
[root@local ~]# mv mysql-5.7.25-linux-glibc2.12-x86_64 /www/server/mysql
[root@local ~]# cd /www/server/mysql
[root@local ~]# mkdir data
[root@local ~]# mkdir log
```
### 5. **给相关权限**
```
[root@local ~]# chown -R mysql:mysql /www/server/mysql
[root@local ~]# chmod -R 750 /www/server/mysql/data
[root@local ~]# chmod -R 750 /www/server/mysql/log
```
### 6. **配置**
```
[root@local ~]# /www/server/mysql/bin/mysql_install_db --user=mysql --basedir=/www/server/mysql --datadir=/www/server/mysql/data
[root@local ~]# bin/mysql_install_db --user=mysql
[root@local ~]# bin/mysqld --initialize --user=mysql
[root@local ~]# bin/mysql_ssl_rsa_setup
[root@local ~]# bin/mysqld_safe --user=mysql &
[root@local ~]# cp support-files/my-default.cnf /etc/my.cnf
[root@local ~]# cp support-files/mysql.server /etc/init.d/mysql.server
```