下载repo
curl https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm --output mysql80-community-release-el7-3.noarch.rpm
安装repo
rpm -ivh mysql80-community-release-el7-3.noarch.rpm
禁用8.0启用5.7
vim /etc/yum.repos.d/mysql-community.repo
[mysql57-community]
name=MySQL 5.7 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
[mysql80-community]
name=MySQL 8.0 Community Server
baseurl=http://repo.mysql.com/yum/mysql-8.0-community/el/7/$basearch/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
刷新缓存
yum makecache
安装
yum install mysql-community-server -y
启动
systemctl start mysqld
设置开机启动
systemctl enable mysqld
查看默认密码
less /var/log/mysql.log
A temporary password is generated for root@localhost: 2rFw90IqzO/E
用临时密码登陆mysql
mysql -uroot -p
修改密码
mysql> set password for root@localhost = password(‘Aa122333!‘);
官方安装文档