CentOS 7
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Configure VNC Server
Install VNC Server to connect with GUI from remote clients.
This example is based on GNOME Desktop Environment.
[1] Install VNC Server.
[[email protected] ~]#
yum -y install tigervnc-server
[2] If Firewalld is running, allow VNC service.
[[email protected] ~]#
firewall-cmd --add-service=vnc-server --permanent

[[email protected] ~]#
firewall-cmd --reload

[3] Login as a user you'd like to configure VNC connection and set like follows.
# set VNC password

[[email protected] ~]$

# run with diplay number [1], screen resolution [800x600], color depth [24]

[[email protected] ~]$
vncserver :1 -geometry 800x600 -depth 24
# to stop VNC process, do like follows

[[email protected] ~]$
vncserver -kill :1
Install VNC viewer on client computer, this example in on Windows 10.
Download from the site below to install UltraVNC.
After installing UltraVNC, click [UltraVNC Viewer] to run, then, following screen is shown. Input [(Server's hostname or IP address):(display number)] like following example and then click [Connect] button.
[5] Password is required. Input VNC password you set.
[6] Just connected.