First make sure that the server is normal, such as connecting the gateway and dns
centos7 installation graphical interface and then use yum to query which packages need to be installed , yum grouplist can list group packages
(recommended tutorial: centos usage tutorial)
Then enter the command to install gnome desktop yum groupinstall "GNOME Desktop"
#Confirmation is required during the installation process, enter Y to confirm.
#Because there are many packages, the installation will take a long time, and the server also needs enough free space.
Recommended related video tutorials: linux video tutorial
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