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Ubuntu 18.04 x11vnc users. Here is a "hack answer" which allows you to get VNC access without being logged in.

Create a x11vnc.conf file under /etc/init/ directory using following ... x11vnc[2603]: xauth: unable to generate an authority file name

17.11.2017 · If the xauth command finds that the .Xauthority-n file is already present, it assumes it means another instance of xauth command is already doing some changes, and refuses to do anything. So this also protects the file from corruption caused by multiple instances of xauth running at the same time as the same user.

... 16:12:19 x11vnc version: 0.9.13 lastmod: 2011-08-10 pid: 30259 xauth: unable to generate an authority file name 03/05/2017 16:12:19 -auth guess: failed ...

03.09.2014 · # Rename the existing .Xauthority file by running the following command mv .Xauthority old.Xauthority # xauth with complain unless ~/.Xauthority exists touch ~/.Xauthority # only this one key is needed for X11 over SSH xauth generate :0 . trusted # generate our own key, xauth requires 128 bit hex encoding xauth add ${HOST}:0 . $(xxd -l 16 -p /dev/urandom) # To …

The second field shows the protocol used for creating the token to allow ... the following command on machine C after copying the file there. xauth nmerge ...

Xauthority marty@N40L ~ $ xauth generate $DISPLAY . PuTTY X11 proxy: wrong authorisation protocol attemptedxauth: (argv):1: unable to open display "localhost: ...

03.09.2010 · /usr/X11R6/bin/xauth: unable to open tmp file “/home/user/.Xauthority-n” /usr/X11R6/bin/xauth: unable to write authority file /home/user/.Xauthority-

# Rename the existing .Xauthority file by running the following command mv .Xauthority old.Xauthority # xauth with complain unless ~/.Xauthority exists touch ~/.Xauthority # only this one key is needed for X11 over SSH xauth generate :0 . trusted # generate our own key, xauth requires 128 bit hex encoding xauth add ${HOST}:0 . $(xxd -l 16 -p /dev/urandom) # To view a …

05.10.2015 · xauth: unable to generate an authority file name-auth guess: failed for display=’:0′-auth guess: since we are root, retrying with FD_XDM=1-auth guess: failed for display=’:0′ Adding the User and Group options to the service file fixed it.

... xauth: unable to generate an authority file name Sep 21 01:33:43 tegra-ubuntu x11vnc[1390]: 21/09/2019 01:33:43 -auth guess: failed for ...

Oct 05, 2015 · xauth: unable to generate an authority file name-auth guess: failed for display=’:0′-auth guess: since we are root, retrying with FD_XDM=1-auth guess: failed for display=’:0′ Adding the User and Group options to the service file fixed it.

21.05.2017 · xauth: unable to generate an authority file name 18/09/2017 15:02:56 -auth guess: failed for display=’unset’ 18/09/2017 15:02:56 -auth …

After that, the GUI login should work normally, unless you have some other problem that prevents the system from creating/overwriting the .Xauthority file ...

startx fails to start From TTY please run this commands as your user: sudo ... to start the X server. xauth: creating new authority file /home blackMORE Ops ...

You should end up with a single file called vnc-startup.sh; make the vnc-startup.sh ... xauth: unable to generate an authority file name

For this example, we'll take the last line from the xauth list sample ... on login) that create a file containing the current authorization cookie and the ...