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Ubuntu Linux Unleashed 2021 Edition
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Wireless Network Simulation
Henry Zárate Ceballos & Jorge Ernesto Parra Amaris & Hernan Jiménez Jiménez & Diego Alexis Romero Rincón & Oscar Agudelo Rojas & Jorge Eduardo Ortiz Triviño
Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert
SSH Mastery: OpenSSH, PuTTY, Tunnels and Keys
Michael W Lucas