x11vnc

• LibVNC/x11vnc
  • GPL-2.0, C
  • brew install x11vnc
  • VNC server for real X displays
• $HOME/.x11vncrc
  • -norc
• http://www.karlrunge.com/x11vnc

# 默认密码文件
x11vnc -storepasswd vnc ./passwd
x11vnc -forever -shared -ncache 10 -display :1 -wait 20 -rfbauth passwd -rfbport 5901

x11vnc -create \
  -env FD_PROG=/usr/bin/fluxbox \
	-env X11VNC_FINDDISPLAY_ALWAYS_FAILS=1 \
  -env X11VNC_CREATE_GEOM=${1:-1920x1080x32} \
  -gone 'killall Xvfb' \
  -forever -shared \
  -o /var/log/x11vnc.log \
  -bg -nopw

• -auth $XAUTHORITY
  • XAUTHORITY
  • -auth guess
    • -findauth
• -rfbauth $RFB_PASSWORD_FILE
• id windiwid
  • xrandr
  • 使用 xwininfo 选取窗口
• sid windowid
  • shift root view
  • 裁剪
• clip WxH+X+Y
• scale fraction
  • geometry WxH
• viewonly
• shared
• once
• forrever
  • =many
• nevershared
• timeout n
• sleepin
• tightfilexfer
• ultrafilexfer
• connect
  • reverse conn
  • proxy
• vncconnect
  • VNC_CONNECT
• allow
• input
  • K - Keystroke
  • M - Mouse
  • B - Button Click
  • C - Clipboard
  • F - File transfer - ultravnc
• viewpasswd
• passwdfile
• showrfbauth
• FD_XDM=1
• XDM/GDM/KDM
• ~/.Xauthority

FAQ

x11vnc 1280x12288

因为 -ncache 10

大多客户端都不支持 Client Side Cacheing

• https://github.com/LibVNC/x11vnc/blob/master/doc/FAQ.md#q-79-can-x11vnc-do-client-side-caching-of-pixel-data-ie-so-when-that-pixel-data-is-needed-again-it-does-not-have-to-be-retransmitted-over-the-network