1. Software and hardware preparation
One computer, one U disk, UltraISO (download link : https://cn.ultraiso.net/uiso9_cn.exe ), CentOS7 system download
CentOS7 system download link: CentOS Mirrors List
You can try each link, which one is faster and which one is used
2. Burn CentOS7 to U disk
Select to write to the hard disk image , and the rest remain unchanged, just select to write.
3. Install
The computer that needs to install centOS7, select the USB disk boot method,
Select the first one, press e (modify configuration)
As shown below: press ctrl+x
