Networking

Papa's Got a Brand New NAS

It used to be that the true sign you were dealing with a Linux geek was the pile of computers lying around that person's house. How else could you experiment with networked servers without a mass of computers and networking equipment? If you work as a sysadmin for a large company, sometimes one of the job perks is that you get first dibs on decommissioned equipment. more>>

Applied Expert Systems, Inc.'s CleverView for TCP/IP on Linux

One of the most important characteristics of the contemporary data center, notes Applied Expert Systems, Inc. (AES), is that an ever-increasing amount of the traffic is between servers. Realizing the resulting need to facilitate improved server-to-server communications, AES developed CleverView for TCP/IP on Linux v2.5 with KVM Monitoring. more>>

The Tiny Internet Project, Part III

In a previous article, I introduced the Tiny Internet Project, a self-contained Linux project that shows you how to build key pieces of the internet on a single computer using virtualization software, a router and free open-source applications. more>>

Pancaking the Pyramid Economy

In 1937, Ronald Coase gave economics something new: a theory for why companies should exist. Oddly, this hadn't come up before. more>>

A New Mental Model for Computers and Networks

One of the great works of geekdom is Neal Stephenson's In the Beginning Was the Command Line, an essay-length book that came out in 1999. As with Linux, the code was open. Still is. more>>

The Peculiar Case of Email in the Cloud

Most of the time when I start a project, or spin up a virtual server, it's done in my own basement "server farm". Not too many years ago, if I wanted those services to be public, I'd simply port-forward from my static IP into my personal machines. Or, perhaps I'd set up a name-based virtual host as a reverse proxy if I needed to expose a Web app. more>>

The Tiny Internet Project, Part I

As LJ readers well know, Linux drives many of the technologies we use every day, from smart TVs to Web servers. Linux is everywhere—except most homes and classrooms. more>>

Hugh MacLeod's illustration of the Internet

The Giant Zero, Part 0.x

The first time I floated the "giant zero" metaphor for the Internet, was in my October 2007 "SuitWatch" newsletter for Linux Journal. more>>

What's Our Next Fight?

We won the battle for Linux, but we're losing the battle for freedom.

Linux turns 25 in August 2016. Linux Journal turned 21 in April 2016. (Issue #1 was April 1994, the month Linux hit version 1.0.) We're a generation into the history of our cause, but the fight isn't there anymore, because we won. Our cause has achieved its effects. more>>

OpenSwitch Finds a New Home

OpenSwitch has joined the Linux Foundation's stable of networking projects. This is a significant step. It means the network operating system's development will be driven by community needs, instead of the needs of few private companies. more>>

Varnish Software's Hitch

Making life easier for the 2.2 million Web sites that deploy the Varnish Cache HTTP engine is the point of Hitch from Varnish Software. more>>

Build a Large-Screen Command Center with the RPi 2

When the folks who make the Raspberry Pi made good on their plan to release a multi-core version of the tiny computer with 1GB of RAM earlier this year, I saw it as the perfect opportunity to put the single-board Linux box to work—real work—in our company's network operations center. more>>

Securi-Pi: Using the Raspberry Pi as a Secure Landing Point

Like many LJ readers these days, I've been leading a bit of a techno-nomadic lifestyle as of the past few years—jumping from network to network, access point to access point, as I bounce around the real world while maintaining my connection to the Internet and other networks I use on a daily basis. more>>

Roll Your Own Enterprise Wi-Fi

As you can tell by my Wi-Fi focus in The Open-Source Classroom this month, I really love wireless networking. I've implemented wireless solutions for schools on a shoestring budget, and I've helped plan campus-wide rollouts of redundantly controlled enterprise solutions. more>>

Using tshark to Watch and Inspect Network Traffic

Most of you probably have heard of Wireshark, a very popular and capable network protocol analyzer. What you may not know is that there exists a console version of Wireshark called tshark. The two main advantages of tshark are that it can be used in scripts and on a remote computer through an SSH connection. more>>

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