一,下載MySQL源安裝包(採用wget的方式,如果沒有安裝一下)
wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm(直接複製命令即可)
二,安裝MySQL源
yum localinstall mysql57-community-release-el7-8.noarch.rpm
檢查MySQL源是否安裝成功
三,安裝MySQL
1.yum install mysql-community-server
2.啓動MySQL
systemctl start mysqld
3.查看MySQL啓動狀態
systemctl status mysqld
4.設置MySQL開機啓動
systemctl enable mysqld
systemctl daemon-reload
四,修改MySQL初始密碼
查看MySQL初始生成的密碼
grep 'temporary password' /var/log/mysqld.log
用初始密登陸mysql
mysql -p
修改初始密碼,不修改的話接下來的操作都會報錯
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'NewPass';
這裏因爲MySQL對密碼的檢測策略的原因修改的密碼必須包含大小寫以及特殊字符,若僅僅想自己測試修改爲簡單的密碼可以輸入:
mysql> set global validate_password_policy=0;
這樣判斷密碼就基於長度,只要8位即可,這個長度也是可以修改的,可以百度這裏就不說了
重啓MySQL生效
systemctl restart mysqld
五,允許root遠程登陸
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;
mysql> flush privileges;