1.ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
解决:
(1)修改my.cnf中[mysqld]中增加skip-grant-tables
(2)重启mysql数据库:service mysqld restart
(3)无密码登录mysql中
(4)>use mysql;
(5)>update mysql.user set password=password('123456') where user= 'root';
(6)> flush privileges;
(7)将my.cnf中增加的语句注释
(8)重启mysql数据库:service mysqld restart