mysql5.7.26 rpm包安装数据库

https://www.cnblogs.com/diantong/p/10962705.html
下载mysql5.7.26安装包
https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar
 wget http://192.168.1.159/mysql5.726/mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar
   83  yum -y install make gcc-c++ cmake bison-devel ncurses-devel libaio libaio-devel net-tools
   85  rpm -qa | grep mariadb

yum -y remove mariadb-libs
   86  ls
   87  mkdir msyql
   88  mv mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar msyql/
   89  ls
   90  mv msyql mysql
   91  cd mysql/
   92  ls
   93  tar xf mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar
   94  ls
   95  yum install  mysql-community-server-5.7.26-1.el7.x86_64.rpm mysql-community-common-5.7.26-1.el7.x86_64.rpm mysql-community-libs-5.7.26-1.el7.x86_64.rpm mysql-community-client-5.7.26-1.el7.x86_64.rpm
   96  systemctl start mysqld
   97  systemctl enable mysqld
   98  systemctl status mysqld
   99  grep "password" /var/log/mysqld.log
  100  mysql -uroot -p"o-krEwzy6_sq"


set global validate_password_length=1;
set global validate_password_policy=0;
set password for root@localhost = password('123456');
flush privileges;

mysql> set password for 'root'@'%'=password('xxxxx');
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

 

update user set host = '%'  where user = 'root';
flush privileges;
select Host,User from user;

 或者这样授权

GRANT ALL PRIVILEGES ON *.* TO 'mycat'@"192.168.1.%" IDENTIFIED BY "123456";