Ubuntu HEADLESS screen resolution for VNC / TeamViewer
1234567xrandr –newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync xrandr –addmode VIRTUAL1 1920x1080_60.00 xrandr –output VIRTUAL1 –mode 1920x1080_60.00 xrandr –output LVDS1 –off Source: https://askubuntu.com/questions/679135/how-do-i-set-new-screen-resolution-for-a-headless-server-using-teamviewer-10