You can ping the linuxPUTTY connection.

For linuxPUTTY connection problems, you can ping the Linux Enterprise Application-Linux server application information. The following is a detailed description. I use VM for linux testing. Network settings are the simplest bridge connection, but you can ping the linux simulator from my host, and the linux simulator cannot ping my host. Then I changed the method. I can ping it, but I still cannot use putty to connect. During the new installation, we found that SSH is not supported by default if you enable the firewall. I use CENT0S and seldom use graphical interfaces for installation. I met.