There is an even better fix, however, something like this should be included in the Ubuntu documentation for x11vnc as it is far from obvious...
One can put something like this into /usr/share/sddm/scripts/Xsetup: /usr/bin/x11vnc -rfbauth /etc/vncpasswd -rfbport 5943 -reopen -forever & Explanation: $XAUTHORITY and $DISPLAY are set with Xsetup script. The reason being given for the unpredictable xauth name is that sddm should be able to handle multi-seat. I sets $XAUTHORITY and $DISPLAY for all dependend children, such as /usr/share/sddm/scripts/Xsetup. In order to start x11vnc, one should include it in Xsetup instead of establishing an independend service in systemd (since x11vnc depends on the real X server, anyway, which in turn is started/controlled by sddm). ** Bug watch added: github.com/sddm/sddm/issues #622 https://github.com/sddm/sddm/issues/622 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1566542 Title: [upstream] Two sddm bugs with 16.04 – MIT-Magic cookie unpredictable for VNC / option "hideshell" buggy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1566542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
