In order to better develop in the background, set the centos bridge network mode, click this link https://www.jb51.net/article/164115.htm steps the IP address of the static IP, gateway, DNS and subnet mask Settings, home computer to be a problem when installation, but the following problems in the computer in the configuration process of company:
(1) the firewall has not closed, can lead to host virtual machines, ping ping but virtual machine host will be 100% lost files, so you need to close the firewall,
(2) host and virtual machine communication, the computer can't get to the Internet, I try to ping the default gateway, found that still can't ping (and 100% missing file), and finally to find for a long time that I found a problem, it is the company's gateway IP too much in the same network segment, IP 192.168.1.223, virtual machine IP start set to 192.168.1.224, cannot ping gateway, but the function of virtual ping other IP under the same network segment, so suspicion is IP conflict, to the virtual machine into 192.168.1.215, still have the same problem, and finally into 192.168.1.207, problem solving,