mysqladmin: connect to server at 'localhost' failed
停止mysql服务
systemctl stop mysql
安全模式启动
chown -R mysql.mysql /var/run/mysqld/
mysqld_safe --skip-grant-tables &
无密码root帐号登陆
mysql -uroot -p //要求输入密码的时候,直接回车
update user set password=password("guxxxxxahyVh") where user='root' and host='localhost';
flush privileges;
ERROR 1054 (42S22): Unknown column 'password' in 'field list'
select * from user G;
password字段改成了authentication_string
update user set authentication_string=password("Isssss88") where user='root' and host='localhost';