centos 7 下 mysql 5.7.9 安装

linux 环境: centos7

mysql : 5.7.9

安装yum 源

地址: http://dev.mysql.com/downloads/repo/yum/

# curl -L http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm -o mysql57-community-release-el7-7.noarch.rpm
# yum localinstall -y mysql57-community-release-el7-7.noarch.rpm 
# yum install mysql-community-server
# systemctl enable mysqld
# systemctl start mysqld

安全加固

# grep "password" /var/log/mysqld.log 

2015-10-22T07:03:09.444960Z 1 [Note] A temporary password is generated for root@localhost: >5qrIfL)cRaE

# mysql_secure_installation

安装时默认会有一个临时密码
设置密码须要至少1个数字,1个特殊字符,混合大小写,长度至少8位

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