fix resolution linux

user@user-PC:/opt/lampp/htdocs/git$ cvt -r 1600 900
# 1600x900 59.82 Hz (CVT 1.44M9-R) hsync: 55.40 kHz; pclk: 97.50 MHz
Modeline "1600x900R"   97.50  1600 1648 1680 1760  900 903 908 926 +hsync -vsync
user@user-PC:/opt/lampp/htdocs/git$ xrandr
Screen 0: minimum 8 x 8, current 1280 x 1024, maximum 32767 x 32767
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VGA1 connected primary 1280x1024+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1280x1024     59.79*+
   1024x768      60.00
   800x600       60.32    56.25
   848x480       60.00
   640x480       59.94
   1280x1024R    59.79
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
user@user-PC:/opt/lampp/htdocs/git$ xrandr --newmode "1600x900R"   97.50  1600 1648 1680 1760  900 903 908 926 +hsync -vsync
user@user-PC:/opt/lampp/htdocs/git$ xrandr --addmode VGA1 1600x900R
user@user-PC:/opt/lampp/htdocs/git$ xrandr --output VGA1 --mode 1600x900R