centos7使用yum方式安装MySQL5.7

yum -y localinstall http://mirrors.ustc.edu.cn/mysql-repo/mysql57-community-release-el7.rpm
yum install -y mysql-community-server

if [ ! "$(cat /usr/bin/mysqld_pre_systemd | grep -v ^# | grep initialize-insecure )" ]; then
    sed -i "s@--initialize @--initialize-insecure @g" /usr/bin/mysqld_pre_systemd
fi


systemctl enable mysqld
systemctl start mysqld

mysql -uroot

Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.7.32 MySQL Community Server (GPL)

Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

mysql> create database jumpserver default charset 'utf8';
Query OK, 1 row affected (0.00 sec)

mysql> set global validate_password_policy=LOW;
Query OK, 0 rows affected (0.00 sec)

mysql> create user 'jumpserver'@'%' identified by 'weakPassword';
Query OK, 0 rows affected (0.00 sec)

mysql> grant all on jumpserver.* to 'jumpserver'@'%';
Query OK, 0 rows affected, 1 warning (0.00 sec)

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

mysql> exit
Bye