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An Introduction to SELinux

Way back in kernel 2.6, a new security system was introduced to provide a mechanism for supporting access control security policies. This system was Security Enhanced Linux (SELinux) and was introduced by the National Security Administration (NSA) to incorporate a strong Mandatory Access Control architecture into the subsystems of the Linux kernel.

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Getting started with Let's Encrypt SSL Certificates on Ubuntu

This tutorial will guide you through your very first configuration of an SSL website with Lets Encrypt certification. Let's Encrypt is a new SSL authority that provides free SSL certificates.
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Two Outstanding All-in-One Linux Servers

Back in 2000, Microsoft released their Small Business Server. This product changed the way many people viewed how technology could function within the realm of business. Instead of having multiple machines handle different tasks, you could deploy a single server which would handle email, calendaring, file sharing, directory services, VPN, and a whole lot more. For many of small businesses, this was a serious boon, but for some the cost of the Windows SMB was prohibitive. For yet others, the idea of relying on such a server, designed by Microsoft, simply wasn’t an option.

For that last group, there are alternatives. In fact, within the realm of Linux and open source, you can choose from several solid platforms that can serve your small business as a one-stop server shop. If your small business has between 10 and 50 employees, the all-in-one server might be the ideal solution to meet your needs.

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How to Use Docker in a Practical Way (Part 1 - Introduction)

It is not an uncommon situation, for early adopters of newly introduced concepts and technologies, to be totally confused when these can fundamentally change the ways of developing and delivering services. Especially when everybody talks about something like Docker, and how awesome and game changing it is. This confusion happens...

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N1 Email Client -- A User-Friendly Option

If you’ve paid close enough attention to the news, you know that the Mozilla Foundation has cut the cord to Thunderbird. Considering that, for years, Thunderbird has been the most user-friendly desktop email client for Linux, this could have been a disaster for the open source platform. Fortunately, there’s a new kid on the block with plenty to offer. That new kid is N1 by Nylas.

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