The best-selling text on SSH, newly revised and updated! Secure Shell (SSH) lets sysadmins securely manage remote systems. It’s powerful, complicated, and con

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OpenBSD, the elegant, highly secure Unix-like operating system, is widely used as the basis for critical DNS servers, routers, firewalls, and more. This long-aw

Absolute FreeBSD, 2nd Edition covers installation, networking, security, network services, system performance, kernel tweaking, filesystems, SMP, upgrading, cra