A, vnc client download
Download: https://www.realvnc.com/en/connect/download/viewer/
---------- There are desktop environment, ignoring --------------
Two, linux install desktop environment
No desktop linux server to perform
]# yum groupinstall "GNOME Desktop" "Graphical Administration Tools"
Set Desktop as the default boot,
]# systemctl set-default graphical.target
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Third, install vnc server service, start vnc
]# yum install -y tigervnc-server
]# vncserver
Enter the password: 123456 (password requires a minimum of six)
Confirm Password: 123456
Confirmation command: (y / n)
Verify command
Fourth, the connection service
connection succeeded