Centos7安装mysql社区版

1.访问https://dev.mysql.com/downloads/repo/yum/ 获取mysql yum source

wget wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm

2.安装mysql80-community yum source

sudo yum localinstall mysql80-community-release-el7-3.noarch.rpm

3.使用yum 安装 mysql-server 安装80版本，切版本请访问https://dev.mysql.com/doc/mysql-yum-repo-quick-guide/en/

sudo yum install mysql-server -y

4.启动mysql server 服务

sudo systemctl start mysqld

5.检查mysql服务

sudo systemctl status mysqld

6.启用mysql自启动

sudo systemctl enable mysqld

7.初次或重新安装请查找临时密码

sudo grep 'temporary password' /var/log/mysqld.log

8.运行安全脚本,输入临时密码，并修改密码为1qaz@WSX

sudo mysql_secure_installation

9.版本检查

mysqladmin -u root -p version

10.创建用户和库

mysql -u root -p

创建库

mysql>create database testdb;

创建用户

mysql>create user test IDENTIFIED by 'zxc123';

授权给用户

mysql>GRANT ALL PRIVILEGES ON testdb.* TO test@'%';

检查用户权限

mysql>use mysql;
mysql>select user,host from user;

更新权限

mysql>FLUSH PRIVILEGES;

退出

mysql>\q

11.修改/etc/my.cnf bindaddr = 0.0.0.0

12.重启mysql

sudo systemctl restart mysql