I would disagree. These questions are often duplicates of more-obvious canonical ones, which may be more general, but do solve the problem. By looking at the mouseover text of the downvote button, you will see that it states:

This question does not show any research effort; it is unclear or not useful (click again to undo)

and since a search on AU can find good answers, these questions "[do] not show any research effort".

I would disagree. These questions are often duplicates of more-obvious canonical ones, which may be more general, but do solve the problem. By looking at the mouseover text of the downvote button, you will see that it states:

This question does not show any research effort; it is unclear or not useful (click again to undo)

and since a search on AU or Ubuntu documentation can find usable answers, these questions "[do] not show any research effort".

I would disagree. These questions are often duplicates of more-obvious canonical ones, which may be more general, but do solve the problem. By looking at the mouseover text of the downvote button, you will see that it states:

This question does not show any research effort; it is unclear or not useful (click again to undo)

and since Google can easily find answers, as well as a search on AU, these questions "[do] not show any research effort".

I would disagree. These questions are often duplicates of more-obvious canonical ones, which may be more general, but do solve the problem. By looking at the mouseover text of the downvote button, you will see that it states:

This question does not show any research effort; it is unclear or not useful (click again to undo)

and since a search on AU can find good answers, these questions "[do] not show any research effort".