How to increase your rank? Is there a requirement?

Using console type /promote [name]

I meant if you are not a moderator or admin and you are just a member

Just now, RainZhang said:

I meant if you are not a moderator or admin and you are just a member

Or trusted

Ask how to rank up on the actual server you're talking about then, not here. Also, if it's Not Awesome 2, read the /faq