Don’t tag all the people you would like to pay attention to your post, and “like” it (unless of course they are specifically mentioned for a valid contextual reason)… it smells of desperation for likes and views.
Instead, if you feel the need to request support for the post beyond your basic LinkedIn/FB reach/engagement, I suggest tweeting it and sharing it on other platforms to reach others who follow you there, and you can email a list of friends/colleagues, etc., with a link to the post, and ask them to please support by liking and/or sharing the post. or even better give them a call… “What, use the talking aspect of a phone, unheard of” 
That way you are upfront with what you are doing, transparent in your goal, and you will keep the post clean and free of all those clearly self-serving tags, to the viewing public.
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