作者:陈雅洁惠真慧瑋 | 来源:互联网 | 2020-09-16 07:13
1. 下载mysql源安装包wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm
2. 安装mysql源
yum localinstall mysql57-community-release-el7-8.noarch.rpm
3. 检查mysql源是否安装成功
yum repolist enabled | grep "mysql.*-community.*"
命令:
mysql -uroot -p
问题:centos7.0安装完mysql5.7.11之后使用mysql -u root -p 连接数据库。操作提示:You must reset your password using ALTER USER statement before executing this statement.
按照提示ALTER USER 修改密码无效,后来发现执行如下命令即可:
SET PASSWORD = PASSWORD(‘123456’);
set password for 'root'@'localhost'=password('你的新密码');
默认密码检查策略要求密码必须包含:大小写字母、数字和特殊符号,并且长度不能少于8位。否则会提示ERROR 1819 (HY000): Your password does not satisfy the current policy requirements错误,如下图所示:
grant all on *.* to 'root'@'127.0.0.1' identified by '123123'WITH GRANT OPTION;
flush privileges; //刷新权限表
注意事项:
修改配置后要重新启动mysql服务生效:
systemctl restart mysqld
默认配置文件路径:
配置文件:/etc/my.cnf
日志文件:/var/log//var/log/mysqld.log
服务启动脚本:/usr/lib/systemd/system/mysqld.service
socket文件:/var/run/mysqld/mysqld.pid
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