SHARE When applications lead, they ask a lot of supporting technology and the people managing it. They come in all shapes and sizes; what’s good for the interactive mobile app might not be good for the multifactor-authentication page. That’s why companies are demanding hybrid environments — to run their full array of apps optimally. Open-source communities are giving them the innovative software they ask for at a rapid pace. But with many lacking the skills to use it, how will they take advantage of it? “Every CIO now needs to be a cloud operator,” said Paul Cormier (pictured), president and chief executive officer of Red Hat Inc.