Chris Happel has over 20 years' experience with voice and data networking and security. He is currently a managing consultant for Liberty Trio, LLC, and is an avid supporter of GNU...lihat lebih banyakChris Happel has over 20 years' experience with voice and data networking and security. He is currently a managing consultant for Liberty Trio, LLC, and is an avid supporter of GNU/Linux and open source software.lihat lebih sedikit