一、安装准备
1、在准备安装前,需要安装 wget 和 curl 工具,执行以下命令安装:
sudo yum install -y wget curl
2、下载MySQL 5.7的Yum Repository:
wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
3、安装MySQL 5.7的Yum Repository:
sudo rpm -ivh mysql57-community-release-el7-11.noarch.rpm
4、清空已有Yum缓存:
sudo yum clean all
二、安装MySQL Server
1、安装MySQL Server:
sudo yum install -y mysql-community-server
2、启动MySQL服务:
sudo systemctl start mysqld
3、查看MySQL服务状态:
sudo systemctl status mysqld
三、配置MySQL服务器
1、查看MySQL服务器的默认密码:
sudo grep "A temporary password" /var/log/mysqld.log | awk '{print $NF}'
2、登录并更改初始密码:
mysql -u root -p
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password';
3、重新登录MySQL服务器:
mysql -u root -p
4、配置数据库:
mysql> CREATE DATABASE <database_name>;
mysql> CREATE USER <user_name> IDENTIFIED BY '<password>;'
mysql> GRANT ALL PRIVILEGES ON <database_name>.* TO <user_name>;
mysql> FLUSH PRIVILEGES;
四、常用命令
1、启动MySQL服务:
sudo systemctl start mysqld
2、停止MySQL服务:
sudo systemctl stop mysqld
3、重启MySQL服务:
sudo systemctl restart mysqld
综上所述,以上是CentOS 7下MySQL 5.7的安装步骤,当然,在实际应用中可能会有更多的细节问题需要注意。希望对你有所帮助。
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