1、下載安裝mysql

下載mysql源安裝包

wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

安裝mysql源

yum localinstall mysql57-community-release-el7-8.noarch.rpm

檢查mysql源是否安裝成功

yum repolist enabled | grep "mysql.*-community.*"

安裝mysql

yum install mysql-community-server

2、啟動MySQL服務

systemctl start mysqld
systemctl status mysqld

3、設定密碼

檢視初始密碼

grep 'temporary password' /var/log/mysqld.log

登入mysql

mysql -uroot -p

修改密碼

ALTER USER 'root'@'localhost' IDENTIFIED BY 'NEWpass123,'; 

4、新增遠端登入賬戶

GRANT ALL PRIVILEGES ON *.* TO 'sa1'@'%' IDENTIFIED BY 'SAsa123,' WITH GRANT OPTION;

5、配置預設編碼為utf8

修改/etc/my.cnf配置檔案，在[mysqld]下新增編碼配置，

[mysqld]
character_set_server=utf8
init_connect='SET NAMES utf8'

重啟mysql服務

systemctl restart mysqld

參考文章：centos安裝MySQL5.7