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SSH Mastery: OpenSSH, PuTTY, Tunnels and Keys
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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
PowerShell для сисадминов
Бертрам Адам
Pluggable Authentication Modules
Kenneth Geisshirt