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Startup Aids

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Version 219 of the controversial systemd init system introduces a number of comprehensive changes. We take a closer look at the innovations in network management and container handling.

Hall Monitor

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Put Operations Manager to work monitoring Active Directory, Exchange, and Hyper-V environments.

Renovation

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The Ceph object store remains a project in transition: The developers announced a new GUI, a new storage back end, and CephFS stability in the just released Ceph c10.2.x, Jewel.

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.

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