造纸农

免密验证修改配置文件vim /etc/mysql/mysql.conf.d/mysqld.cnf在配置文件中添加一行skip-grant-tables重启mysql systemctl restart mysql登录mysqlmysql -u root -p，提示输入密码直接回车即可将密码清空,然后退出use mysql;update user set authentication_string = '' where user = 'root';quit;删除步骤一配置文件中添加的免密验.

删除mysql的数据文件sudo rm -rf /var/lib/mysql删除mysql配置文件sudo rm -rf /etc/mysql/自动卸载mysql（包括server和client）sudo apt-get autoremove mysql* --purge检查是否卸载干净dpkg -l | grep mysql # 若没有返回，说明已完成卸载...

修改配置文件，跳过登陆验证sudo vim /etc/mysql/mysql.conf.d/mysqld.cnf添加root用户use mysql;insert into user(User,authentication_string,ssl_cipher,x509_issuer,x509_subject) values('root','','','','');添加权限update user set Host='%',select_priv='y', insert_priv='y',updat

mysqld --initialize --user=mysql --basedir=/usr --datadir=/var/lib/mysql