CentOS 7 - Xfce

yum groupinstall "X Window system"
yum groupinstall "Xfce"
systemctl isolate graphical.target
systemctl set-default graphical.target

cvt -r 1920 1080
nano /etc/X11/xorg.conf
  Section "Monitor"
      Identifier  "VGA1"
      Modeline    "1920x1080R"  138.50  1920 1968 2000 2080  1080 1083 1088 1111 +hsync -vsync
  EndSection

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