The Ubuntu Beginner's Guide gives users new to Ubuntu Linux an overview of the operating system, from simple command-line tasks to advanced server configuration, with a focus on command-line administration.
Secure Shell (SSH) lets systems administrators securely manage remote systems. But most people only use the bare minimum SSH offers. Used properly, SSH simplifies your job.
This book saves you from sifting a decade of obsolete online tutorials and quickly gets you running:SSH with the OpenSSH server and the PuTTY and OpenSSH clients.
Master SSH with SSH Mastery.
Booklet for anyone who wants to keep private and free of censorship Internet access. Step-by-step guide explains how to ensure security on public wireless network, escape the corporate firewall loggers, and avoid Internet proxy filters.