Executive moves.

• Position: Triangle

Raleigh-based Red Hat, which sells and services the Linux computer-operating system, hired James Whitehurst, 40, as CEO. The former chief operating officer at Atlanta-based Delta Air Lines took over for Matthew Szulik, 51, who will remain as chairman.... Cary-based Bandwidth.com, which sells phone and data services, hired Matthew Petzold, 42, as chief financial officer.... Chris Viehbacher, 47, president of U.S. pharmaceuticals for London-based GlaxoSmithKline and the drug maker's highest-ranking executive at its U.S. headquarters in Research Triangle Park, was appointed to its board of...