today's howtos
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The Best Linux Certifications for 2017
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How to manage your passwords with Bitwarden, a LastPass alternative
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How to Install and Use Pacaur on Arch Linux
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How To Install Redmine on Ubuntu 16.04
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ACME v2 and Wildcard Certificate Support is Live
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Playing with water
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How to test an update for EPEL
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How to use Ansible to set up system monitoring with Prometheus
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Virtual private networks with WireGuard
Virtual private networks (VPNs) offer a lot in the way of increased security and privacy. They have also tended to offer less desirable features like administrative complexity and reduced performance, though; as a result, many potential VPN users decide not to bother. A relatively new project called WireGuard hopes to address both of those problems with an in-kernel solution that is both simple and fast.
A VPN works by establishing an encrypted connection from an endpoint system to a trusted host elsewhere on the network. That host becomes the router through which some or all network traffic from the endpoint passes. Since this tunnel is encrypted, traffic that travels over the VPN is protected from eavesdroppers — until it reaches the trusted host, at least. Setting up the VPN connection in the first place requires authentication between the endpoints; that, in turn, allows hosts to place some trust in the packets coming over the VPN connection. It is thus a common configuration to only allow internal resources to be accessed via a VPN connection.
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