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Centos 7
About Centos Centos 7
After updating Centos 7, gnome desktop with vncserver returns a black screen.
Add the following comment in the file under /home/username/.vnc/xstartup if you are using vncserver to get gnome at least showing
"/usr/bin/gnome-session --session=gnome-classic --disable-acceleration-check --failsafe --debug &"
You can also install xfce4 desktop session group install "sudo yum groupinstall Xfce" and add startxfce4 in the /home/username/.vnc/xstartup