The preterist in me dares to ask if the original intent hinges on 'as ye see the day drawing nigh'?
But disregarding that, your question remains an excellent one. How ARE we to do so?
It seems the following verse (v25) answers this to some extent...by making sure we assemble together. Isn't that one of the shames of the modern Christian, how so many have taken such a PERSONAL view of faith? "It is about me and my relationship with Jesus". No, dear friend, it isn't! We are to assemble TOGETHER! And if we do so, we fulfill that command.
There is also the command to exhort one another. Let's discuss this part further!