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.
Keep your nails clean and dry. Avoid nail-biting or picking. Apply moisturizer to your nails and cuticles every day. Creams with urea, phospholipids, or lactic acid can help prevent cracking. File your nails in one direction and round the tip slightly, rather than filing to a point.