安装 MySQL与修改配置流程

安装 MySQL

sudo yum install mysql-community-server

修改 MySQL 配置文件

sudo vim /etc/my.cnf [mysqld] bind-address = 0.0.0.0 port = 3307

初始化 MySQL 数据目录

sudo mysqld --initialize --user=mysql

启动 MySQL 服务

sudo systemctl start mysqld

获取临时密码

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

修改 root 用户密码

mysql -u root -p

##修改 root 用户的密码

ALTER USER 'root'@'localhost' IDENTIFIED BY 'Root@123'; #

#设置远程连接权限

CREATE USER 'root'@'%' IDENTIFIED BY 'Root@123';

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;

FLUSH PRIVILEGES;

配置防火墙

# 启用防火墙 
sudo systemctl start firewalld
 
sudo systemctl enable firewalld
 
# 开放1到10010端口范围
 
sudo firewall-cmd --zone=public --add-port=3007/tcp --permanent

 
# 重新加载防火墙以应用更改
 
sudo firewall-cmd --reload