News Category: Networking

Using Docker Swarm to Create an Overlay Network

In a previous article, we discussed Docker Machine, a tool to create Docker hosts in the cloud. Docker Machine can be extremely handy for local testing if you are on Windows and OS X, but it also adds another dimension when you use it to start Docker hosts in your favorite cloud provider and/or...
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Riverbed Ups SD-WAN Ante With SteelConnect

For the last few decades, the Wide-Area Network (WAN) market has been nearly moribund. WANs are private networks that connect branch offices of large corporations, enabling them to control and secure their long-distance network connectivity without having to rely upon the public Internet. ... Today...
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Blueprint: Top 10 Use Cases for OpenStack SDN

Years ago, Linux opened up the data center and made it programmable, uncorking a Genie’s bottle of previously unimagined use cases, wealth and possibilities that became known as the cloud. For years after the data center became a software-programmable cloud, networking remained the bottleneck in an...
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Zscaler Wants to Eliminate VPNs with Cloud-Based Private Access Tool

Zscaler recently announced its new Zscaler Private Access (ZPA) tool, which ups security by separating data and network access for users. On Tuesday, cloud security provider Zscaler announced Zscaler Private Access (ZPA), a new tool that the company said will eliminate the need of "insecure" VPNs (...
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HTTPS Is Hard

This blog post is the first in a regular tech series from the Yell engineering team looking at challenges they face and problems they solve across Yell’s various digital solutions. Here, Yell’s Head of Web Engineering, Steve Workman, looks back over Yell.com‘s seven-month transition to HTTPS, (a ...
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How to allows incremental file sync for many users on Linux

Suppose you as a software developer has set up daily builds of your software for testing purposes. Every day you make a new build, users have to re-download the updated build to evaluate it. In this case you may want to enable differential downloads, so that users can download only difference...
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Shared Hosting on your Web Server: Multiple virtual hosts

This article tends to help you to set up multiple websites (or virtual hosts) on single web server running on Linux. It's particularly useful if you don't want to spend money on multiple Virtual Private Servers (VPS), but you'd like to have ability to run and build multiple websites with minimum...
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Bash on Windows brings the Linux command-line to Windows.

Bash on Windows: What Does It Mean?

As the enterprise landscape is changing -- in favor of Linux and open source -- companies like Microsoft are embracing Linux. Most recently, Microsoft announced support for the Unix Bash shell on Windows, providing developers and administrators with an important tool for managing Unix and Linux...
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One of GNU/Linux’s Most Important Networking Components Just Got an Update

NetworkManager 1.2 debuts with improved security, Wi-Fi usability and more. The software framework that powers the network connections on many GNU/Linux systems just got its second major update in less than a year and a half, with the version 1.2 release of NetworkManager.  Version 1.2 brings...
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5 Features to Look For In A Next-Generation Firewall

Sure, the term next-generation firewall (NGFW) has been around since 2007 and the vendors have been hyping these products for a close to a decade. So what’s new this year? Adam Hils, research director, network security, at Gartner, says what’s different about today’s NGFWs is the integration of...
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