coentos7 安装mysql5.7

1. 下载并安装MySQL官方的 Yum

wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

---

2. 下载mysql

yum -y install mysql57-community-release-el7-10.noarch.rpm

---

3.安装mysql

yum -y install mysql-community-server

---

4. 启动mysql

systemctl start mysqld.service

systemctl status mysqld.service

---

5. 获取临时密码

grep "password" /var/log/mysqld.log

---

6. 修改新的密码

mysql -uroot -p

ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

---

7. 删除包

yum -y remove mysql57-community-release-el7-10.noarch

---

8. 防火墙打开3306端口

firewall-cmd --zone=public --add-port=3306/tcp --permanent

重启防火墙：

firewall-cmd --reload

---

9. 允许远程连接

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

FLUSH PRIVILEGES;

---

10. 授权其他用户

CREATE USER 'username'@'host' IDENTIFIED BY 'password';

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

#也可以使用

# GRANT ALL PRIVILEGES ON  *.* TO 'username'@'%' IDENTIFIED BY 'password';

FLUSH PRIVILEGES;