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I would like to know the diffrence beteen the following commands:

  1. sudo x11vnc
  2. sudo x11vnc -auth /var/lib/lightdm/.Xauthority -display :0

thank you in advance.

PerlDuck
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Chen9766
  • 1

1 Answers1

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It is the same command so there is no difference.

If you meant: what do the options mean: the manual explains it like this: 

Options

-display disp

X11 server display to connect to, usually :0. The X server process must be running on same machine and support MIT-SHM. Equivalent to setting the DISPLAY environment variable to disp.

-auth file

Set the X authority file to be file, equivalent to setting the XAUTHORITY environment variable to file before startup. Same as -xauth file. See xsecurity(7) , xauth(1) man pages for more info.

Related:

Rinzwind
  • 299,756
  • so probably using sudo x11vnc is the default command which called sudo x11vnc -auth /var/lib/lightdm/.Xauthority -display :0 – damadam Jun 08 '18 at 13:30