How to install MySQL binary

MySQL binary installation method: 1. Download the binary package; 2. Mount the new logical volume to "/data"; 3. Unzip it to the installation directory and view the built-in installation information; 4. Set the configuration file; 5. Specify the database; 6. Service startup script; 7. Perform safe initialization.

The operating environment of this tutorial: CentOS 7 system, mysql version 8, Dell G3 computer.

MySQL Binary Installation

Planning

1. Download the binary package

https: //downloads.mariadb.org/mariadb/10.2.16/

2. Clean logical volume lvm

3. New logical volume Mount to /data

4. Store the database in the /data/mysql directory

5. Unzip to the installation directory and view the built-in installation information

6. Set configuration file

7. Specify database

8. Service startup script

9. Safe initialization

Create a new LVM partition

1, create a new logical volume and set the space

fdisk /dev/sda
#

##2. New logical volume type

##3. The new partition takes effect

partprobe 
#
#

4. Create volume groups, logical volumes, and physical volumes

##5. Mount

vim /etc/fstab
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#

mysql安装设置

1、创建mysql账号信息

useradd -r -s /sbin/nologin -d /data/mysql -m mysql
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2、解压mysql二进制文件

备注：必须解压到/usr/local目录下

3、创建mysql软连接

4、修改mysql目录下所有的权限

5、把执行文件bin放入 $PATH全局变量

vim /etc/profile.d/mysql.sh

#

#

让设置生效

. /etc/profile.d/mysql.sh
#
#

6、生成数据库文件

scripts/mysql_install_db  --datadir=/data/mysql --user=mysql
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#

7、编辑mysql配置文件

备注：图上是复制配置模板覆盖原来的文件，根据环境来选着不同的模板文件

vim /etc/my.cnf
#
#

备注：要注意这里数据库路径一定要和上面指定的存放数据库文件的路径一致

启动文件

1、把mysql启动文件放入init.d

2、加入启动列表

2、启动服务

service mysqld start
#
#

备注：如果启动失败，注意检查权限和路径

到这mysql是可以登入了，但是现在随便一个用户都可以登入，无需密码验证，这样太不安全，下面简单的加固下

安全加固

mysql_secure_installation
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#

结果

指定root用户 –p 输入密码登陆【推荐学习：mysql视频教程】

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