Mysql5.7 

1# cd /etc/yum.repos.d/
2
3# 新增编辑一个yum源
4# vim mysql.repo

内容： 

1[mysql57-community]
2name=MySQL 5.7 Community Server
3## baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/   
4baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
5enabled=1
6gpgcheck=0
7gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
8
9
10# 安装
11yum install -y mysql-community-common mysql-community-libs mysql-community-client mysql-community-server mysql-community-devel
12
13# 启动/停止Mysql (和service mysqld start 效果一样)
14# /bin/systemctl start mysqld.service
15
16# /bin/systemctl stop mysqld.service

启动后：

1# 查看首次启动的随机密码
2# grep 'temporary password' /var/log/mysqld.log
3
4#进入mysql
5# mysql -uroot -pxxx
6
7# 修改密码(5.7版本以上必须要有大小写特殊字符)
8# ALTER USER 'root'@'localhost' IDENTIFIED BY '12345678@Abc';
9
10# 授权远程登录Mysql
11# GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '12345678@Abc' WITH GRANT OPTION;
12

Mysql8.0

mysql8.0安装有点ZZ，研究一下先

1create user cc@'%' identified by '12345678@Abc';
2
3GRANT ALL ON *.* TO 'cc'@'%' WITH GRANT OPTION;
4
5ALTER USER 'root'@'%' IDENTIFIED BY '12345678@Abc';
6
7GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '12345678@Abc' WITH GRANT OPTION;