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As seen in this Ubuntu answer. A missing mouse pointer in Debian Gnome might also be solved by entering "mouse" in the launcher. This starts the mouse and touchpad settings dialogue and the mouse appears again.


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Make sure you delete the following files before starting Xvfb as for ":1" screen: rm /tmp/.X11-unix/X1 rm /tmp/.X1 Xvfb simply considers Xorg server running if it cannot create these "locking" files. This can be a case when another user created them on the same screen such as root, and you are starting Xvfb as a user that have no rights to delete the ...


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# Show all active login shells, with displays $ w -oush trunc-us tty1 23:02 -bash trunc-us tty7 :0 4days /sbin/upstart --user trunc-us pts/4 :0 w -oush # Capture the Display part $ w -oush | grep -Eo ' :[0-9]+' :0 :0 # only unique lines $ w -oush | grep -Eo ' :[0-9]+' | uniq :0 # trim ...



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