Can’t connect to MySQL server on ‘‘

Sqlog failed to connect to MySQL database in Linux system
error message: can’t connect to MySQL server on ‘’

It can be connected before, but it is not enough to install the virtual machine image. According to the data, you can use SSH connection, and the configuration is as follows:

If you don’t use SSH connection, you need to use win’s telnet to test whether telnet 3306 and telnet 22 can connect 1, the virtual machine does not set IPv4 forwarding,
2, the virtual machine opens the firewall and does not expose port 3306( 22 can be connected, 3306 can not be connected).

Reference blog

Read More: