# 更新系统软件包
sudo yum update -y
# 安装 MySQL 8.0 的 Yum 存储库
sudo yum install -y https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
# 安装 MySQL 服务器
sudo yum install -y mysql-community-server
# 启动 MySQL 服务
sudo systemctl start mysqld
# 设置 MySQL 开机自启
sudo systemctl enable mysqld
# 查看 MySQL 服务状态
sudo systemctl status mysqld
# 获取 MySQL 初始密码
sudo grep 'temporary password' /var/log/mysqld.log
# 登录 MySQL
mysql -u root -p
# 修改 MySQL 根密码(登录后执行)
ALTER USER 'root'@'localhost' IDENTIFIED BY '新密码';
# 允许远程连接(可选,登录后执行)
CREATE USER 'root'@'%' IDENTIFIED BY '新密码';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;
FLUSH PRIVILEGES;
# 重启 MySQL 服务使更改生效
sudo systemctl restart mysqld
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