MySQL cannot connect remotely. The user has been authorized.

my authorization command is 

grant select on *.* to  "user_name"@"%" identified by "password";

clipboard.png

clipboard.png

navicat
pingIPpingtelnet3306

clipboard.png

3306IP
clipboard.png
I hope someone can see this problem and take a look at it for me. Thank you.

Centos mysql linux
Mar.03,2021
  • Please check whether the firewall opens the port
  • as mentioned above, Ali CVM, you need to set up a network security group. Open port

this question is asked to colleagues, which is not really a problem. Because I am using Aliyun's server, it is not enough to configure it on the server. I also need to configure a whitelist on Aliyun's website. If you have an Ali cloud server used by your partner, remember to configure the whitelist on the Ali cloud when you see it. If I didn't use Aliyun or my own virtual machine, I could have authorized the above operation successfully.

Previous: MySql queried two fields and compared them in the where condition. One of the fields could not be read.

Next: About the URL of WeChat Mini Programs uploading and downloading files

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e5c332-4568d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5c332-4568d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?