That's probably not the best example as it does at least say what the technology is that the OP should be using. You would hope that any reasonable sysadmin would at least be able to research the technology from there. They could even search SF and find 1500+ references.
If you come across truly link only answers then you have some options I guess,
Edit some relevant content from the link or your own knowledge into the answer to improve it.
Downvote and leave a comment.
If the link is dead flag for a moderator to delete.