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Nailed

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Use public key pinning to map certificates to specific domains.

Tapped in

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HTTPS protects a connection from both tapping and manipulation, but only if a man in the middle hasn't already infiltrated the Internet connection. We highlight the weaknesses in HTTPS and demonstrate how to protect your client and server.

Certified

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A free TLS certificate from Let's Encrypt means you can add encryption to your network for no cost, so you don't have any more excuses for failing to encrypt.

Pain-Free Support

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Red Hat's OpenShift is aimed at companies seeking low-maintenance PaaS environments in which they can develop and test applications.

On the DVD

The "Xenial Xerus" is a long-term support (LTS) edition of Ubuntu, which means Ubuntu Server will be supported for five years.
Kali Linux is a Debian-based system for advanced penetration testing and security auditing, including hundreds of tools for pen testing, forensics, and reverse engineering.

Rank and File

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Linux filesystems range from block-based network filesystems, to temporary filesystems in RAM, to pseudo filesystems. We explain how filesystems are set up and how to manage them.

Tech News

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News for system administrators around the world.

Welcome

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By a virtual show of hands, how many of you open change records for changes that occur between the hours of 23:00 and 06:00? That's almost all of you. No, I didn't actually have to see you to know how many of you either raised your hands virtually or physically.

Network in a Box

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Microsoft provides some interesting virtualization features in current and future versions of Windows Server. You can connect or isolate virtual machines, and Windows Server 2016 even supports virtual switches.

Redistribution

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DevOps and container technology often appear together. If you have one of them, you get the other automatically. However, as the following plea for reason shows, it isn't always that simple.

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