In order to create a camp, you require some kindling and a bedroll. Use the kindling to attempt to ignite it. Once done, in about 30 seconds or so, you - and anyone near near you - will receive a message that the camp has been made secure. Anyone who gets the message (not just the person who created the camp) may then use a bedroll to log out instantly by placing it on the ground, unrolling it by double-clicking it, then double-clicking again to receieve a logout confirmation gump.