Nomachine 虚拟桌面 分辨率调整

使用虚拟桌面

安装基础组件

sudo apt-get install  xserver-xorg-core-hwe-18.04
sudo apt-get install  xserver-xorg-video-dummy-hwe-18.04  --fix-missing

修改配置文件，以创建一个虚拟桌面

vim /usr/share/X11/xorg.conf.d/xorg.conf

写入以下内容

Section "Monitor"
  Identifier "Monitor0"
  HorizSync   5.0 - 1000.0
  VertRefresh 5.0 - 200.0
  # https://arachnoid.com/modelines/
  # 1920x1080 @ 60.00 Hz (GTF) hsync: 67.08 kHz; pclk: 172.80 MHz
  Modeline "2560x1600" 47.12 2560 2592 2768 2800 1600 1639 1642 1681
  Modeline "2560x1440" 42.12 2560 2592 2752 2784 1440 1475 1478 1513
  Modeline "1920x1080" 23.53 1920 1952 2040 2072 1080 1106 1108 1135
EndSection

Section "Device"
  Identifier "Card0"
  Driver "dummy"
  VideoRam 256000
EndSection

Section "Screen"
  DefaultDepth 24
  Identifier "Screen0"
  Device "Card0"
  Monitor "Monitor0"
  SubSection "Display"
    Depth 24
    Modes "2560x1600" "2560x1440" "1920x1080"
  EndSubSection
EndSection

重启，即可生效，此时，物理屏幕输出为黑屏

若要恢复有线屏幕输出，则删除该文件，重启

调整为任意分辨率

xrandr --fb 1280x960