X11 FAQ

• /usr/share/xsessions/*.desktop
• /usr/share/wayland-sessions/*.desktop
• Magic Cookie
  • ~/.Xauthority
  • XAUTHORITY

# X0
ls /tmp/.X11-unix

ls /tmp/.ICE-unix

cat /tmp/.X0-lock

DISPLAY

• 格式
  • hostname
    .S - hostname
    .screen_number
    • D - display 编号
    • S - screen 编号
    • 端口为 TCP 6000+D
  • host/unix
    .S
    • /tmp/.X11-unix/XD
  • .S -> host/unix
    .S