Navicat连接不上Ubuntu中的MySQL服务器

Navicat连接不上Ubuntu中的MySQL服务器，提示:2003- cant connect to mysql server on …..(10061)

解决方法

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mysql> grant all privileges on *.* to root@"%" identified by "root";
Query OK, 0 rows affected, 1 warning (0.03 sec)

OK，问题解决。