1、構建下載倉庫
在/etc/yum.repos.d/下新建mysql-community.repo
如下所示:
# Enable to use MySQL 5.7
[mysql57-community]
name=MySQL 5.7 Community Server
baseurl=https://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
2、安裝MySQL服務器
yum -y install mysql-server
3、啓動MySQL服務
systemctl start mysqld.service
運行一下命令查看一下運行狀態
systemctl status mysqld.service
4、初始化數據庫密碼
(1)查看初始密碼:grep "password" /var/log/mysqld.log
(2)登錄:mysql -uroot -p
(3)修改密碼策略:
必須修改兩個全局參數:
首先,修改validate_password_policy參數的值
mysql> set global validate_password_policy=0;
Query OK, 0 rows affected (0.00 sec)
然後,修改validate_password_length參數的值
mysql> set global validate_password_length=1;
修改密碼:
ALTER USER 'root'@'localhost' IDENTIFIED BY '****************';
5、數據庫授權
數據庫沒有授權,只支持localhost本地訪問
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
//
遠程連接數據庫的時候需要輸入用戶名和密碼
用戶名:root
密碼:123456
指點ip:%代表所有Ip,此處也可以輸入Ip來指定Ip
輸入後使修改生效還需要下面的語句
mysql>FLUSH PRIVILEGES;
6、設置自動啓動
systemctl enable mysqld
systemctl daemon-reload