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Linux下安装MySQL和完全重置MySQL服务器

49路末班车 2022-04-13 阅读 49

1.安装mysql-server、mysql-client
sudo apt-get install mysql-server mysql-client
2.修改root密码
1)打开文件/etc/mysql/mysql.confused.d/mysql.cnf,在其中的[mysqld]配置项添加skip-grant-tables
2)重启mysql服务:sudo service mysql restart
3)登录mysql(此时不需要输入密码,直接输入mysql即可登录),输入:
flush privileges;
alter user ‘root’@‘localhost’ identified with mysql_native_password by ‘root’;
exit;
4)打开文件/etc/mysql/mysql.confused.d/mysql.cnf,删除此前添加的skip-grant-tables
5)重启mysql服务:sudo service mysql restart

重装MySQL服务器
1.卸载mysql-server:
sudo apt-get remove --purge mysql-server
sudo apt-get remove --purge mysql-server-8.0
sudo apt-get remove --purge mysql-server-core-8.0
2.删除数据库文件:sudo rm -rf /var/lib/mysql
3.重装安装mysql-server:sudo apt-get install mysql-server

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