Can‘t connect to server on ‘IP‘ (60)

Environmental Science ：

In the development process , Although the problem is the same , But the environment may be different , So sometimes , When searching for answers, a certain solution works for some people and doesn't work for others . So when solving problems , I describe my environment ：
Tencent cloud +mySql5.7+Navicat 16.0.14

explain ：

Installed in Tencent cloud mysql after , Use Navicat Prompt when connecting Can't connect to server on. The troubleshooting idea of this problem is as follows ：
1、 Whether the server starts
2、MySQL Whether to start
3、 Whether the firewall is on
If 1 and 2 Under the condition of normal startup , Basically, it can be determined that the problem is the firewall .
If it is a firewall problem , Then it needs to be released in the firewall 3306 port . The solution is as follows
The pagoda panel I use , The installation instructions of the official website are as follows ：
Pagoda website
After installation, enter the panel control page in the browser according to the prompt .

After following the above steps , In use Navicat Connection will not appear Can't connect to server on . It means that the server is now connected .

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If you think the article will end here , Then you're naive , The solution of one problem is for the emergence of the next problem .

My next problem is

1045 - Access denied for user 'root'@'114.86.185.210' (using password: YES)

The solution is as follows
1、 Enter the following command in the terminal of the server

 sudo mysql -u root -p

2、 to root Users grant permissions , And let all ip Can be connected .

grant all privileges on *.* to 'root'@'%' identified by 'root1234';

explain ：root1234 Is your connection password , You can modify it according to your own situation .
3、 Refresh the permissions

flush privileges;

4、 sign out mysql

exit;

5、 Reuse Navicat Connect , It appears below, which makes people blush , The picture of rapid heartbeat .

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So far, this article is about to end , I wish you success ！