Executive moves.

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 directors.... Peter Hermann, 57, was hired as chief executive of the North Carolina Technology Association. He had been president of Hermann Associates, a Kansas City consulting company. He replaces Joan Myers, who left in August for a job at Cary-based software maker SAS Institute.... Guy Campbell, 61, will retire in June as CEO of Morrisville-based Harris Stratex, which sells wireless-network equipment. No successor has been named.