Create Linux system disk with UltraSO Floppy

Step 1: Download the mirror
Alibaba Cloud download link: https://mirrors.aliyun.com/centos-vault/

Select the system version according to the requirements. I need to install the CentOS7.5 system. I will use CentOS7.5 as an example.

Step 2: Download the Ultraiso software
official website download address: https://cn.ultraiso.net/xiazai.html

Step 3: Write the hard disk image
Insert the U disk, open UltraSO, select "write hard disk image"

and select the U disk here, as shown in the figure below:

Wait for the completion! Insert the U disk into the server, select the U disk to start first, and install the system!