Shulou(Shulou.com)06/02 Report--

1. Common errors in virtual machines

(1) the virtual machine is occupied

​ a. Caused by enabling multiple virtual machines

​ b. Caused by abnormal shutdown of the virtual machine, (shut down the computer without command)

Solution: 1. Shut down all virtual machines

​ 2. Find the path to the virtual machine and delete 2 files

two。 How does the virtual machine enter bios and how to set up the installation interface?

(1)。 The way to enter bios

(2)。 How to enter the installation interface again after the system has been successfully installed

Press and hold shift+ (+) in the boot interface, CD-ROM Drive can be successfully set as the first boot item

a. Options for the installation interface

Install Centos 7: install centos7

​ aa. How to change the name of the network card to eth0: hold down the tab key and enter net.ifnames=0 biosdevname=0

Test this media & install Centos 7: test the optical drive before installing centos7

Troubleshooting: troubleshooting

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