centos7 mysql安装和Access denied for user 'root'@'localhost' (using password: NO)

centos7  

 

1.安装mysql  

下载 mysql-5.7.38-1.el7.x86_64.rpm-bundle.tar

严格按照顺序 

rpm -ivh mysql-community-common-5.7.31-1.el7.x86_64.rpm

rpm -ivh mysql-community-libs-5.7.31-1.el7.x86_64.rpm

rpm -ivh mysql-community-client-5.7.31-1.el7.x86_64.rpm

rpm -ivh mysql-community-server-5.7.31-1.el7.x86_64.rpm

rpm -ivh mysql-community-devel-5.7.31-1.el7.x86_64.rpm

 

service mysqld start

2.初始化

 

root 权限下

mysql_secure_installation

按提示完全安装

 

grep "password" /var/log/mysqld.log 

查看临时密码