MySQL remote connectivity issues (Linux Server)

 

Mysql Workbench on Ubuntu connection Mysql Times the following error:

 

Reason: View /etc/mysql/mysql.conf.d/mysqld.cnf

#
# 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

By default only supports local access.

 

change into:

#
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
bind-address            = 0.0.0.0

 

Then restart Mysql:

service mysql restart

 

Then reconnect reported the following error:

 

Find out the reasons:

 

Show only localhost access.

Solution: Modify unauthorized remote access

grant all privileges on *.* to 'root'@'%'  identified by 'admin123' with grant option;
flush privileges;

Representative wildcard%, may be replaced by an IP address.