轉自https://blog.csdn.net/hjwang1/article/details/51669223

問題代碼代碼

ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.0.19' (111)

ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.0.19' (111) 這個 原因就是Mysql數據庫的默認配置文件my.cnf(linux下)中的bind-address默認為127.0.0.1，所以就算你創建了可以 remote訪問的用戶，你也不能使用mysql -h命令進行訪問，若訪問就會出現上出問題，因為此時Mysql只接受localhost，所以需要把bind-address屏蔽掉。

my.cnf一般在/etc/mysql下面，如果不在使用locate my.cnf查找，修改前的my.cnf配置文件為：

修改前的my.cnf配置文件代碼

#

# Instead of skip-networking the default is now to listen only on

# localhost which is more compatible and is not less secure.

bind-address = 127.0.0.1

#

# Instead of skip-networking the default is now to listen only on

# localhost which is more compatible and is not less secure.

bind-address = 127.0.0.1

我們需要做的就是屏蔽這個bind-address代碼，屏蔽后代碼為：

屏蔽后my.cnf配置文件代碼

#

# Instead of skip-networking the default is now to listen only on

# localhost which is more compatible and is not less secure.

#bind-address = 127.0.0.1

#

# Instead of skip-networking the default is now to listen only on

# localhost which is more compatible and is not less secure.

#bind-address = 127.0.0.1

現在你就可以用mysql -h命令進行你想做的操作了，如登錄系統：

登陸數據庫代碼

mysql -h 192.168.0.19 -u root -p

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