Don't try to gain karma. Your phrasing in this title is going to ill serve you.

Repost this as what you seem to have intended, asking how to engage with the community.

Now, for anyone who is here to learn how to game karma, I'd like to convey the following:

Karma is an abstract way to show quality, a way to organize discussion on HN to prioritize valuable information and people with insight. It is not an end to itself, except maybe as an ego boost. Oh, I guess at some point you can down vote posts, but seriously, karma is a tool intended to benefit the community, not a measure of your value as a person, or your skills as a developer or entrepreneur.

Try to add to the community; Add your insight and knowledge, up vote good quality comments and posts that are interesting, and trust the community. Attempting to game karma detracts value from the community. You are better than that. We are all better than that. And if you do that, the karma will come.