As the word says, single node will have only one node(machine/host) and multi-node will have more than one. Single Node: By default, Hadoop is configured to run in a non-distributed or standalone mode, as a single Java process. There are no daemons running and everything runs in a single JVM instance.
Give peeling nails a moisturizing assist by using a moisturizer with alpha-hydroxy acids or lactic acids before bedtime. Kathy Clement, M.D., a faculty doctor at University of Wyoming, advises donning cotton gloves afterward; this will help keep moisturizer in contact with fingernails.
1 Lemon juice: Soaking your nails in lemon juice will get rid of those yellow stains. Soak your nails for 10 to 15 minutes each day until you are happy with the results.  Peroxide and baking soda: Mix 1 tablespoon of hydrogen peroxide with 2-1/2 tablespoons of baking soda in a small bowl.