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Mastering ATA over Ethernet

Author: Petros Koutoupis | Files under syndicated

At one point in time, when you wanted to attach an external block storage device to a
server, you mapped it as a Logical Unit (LU) across a Storage Area Network (SAN). In
the early days, you would do this over the Fibre Channel (FC) protocol. More recently,
iSCSI (SCSI over IP) has usurped FC in most data centers. more>>


The Family Dashboard

Author: Shawn Powers | Files under syndicated

I’ve written a little about PHP before, because I think it’s a great
utility language for writing quick things you need to do. Plus, it
allows you to use a web browser as your interface, and everyone has
a web browser. That makes it very convenient for my family, because I
can make simple web interfaces for the various things I normally have to
do from the command line. more>>


Adding IoT Flare to a Hot Springs and Spa Business

Author: Derek Hildreth | Files under syndicated

As the folks at Bozeman Hot Springs usher their hot springs and spa into the 21st century
with new technology and pools, they are thinking about new ways to delight
their customers and stay top of mind. One recurring request,
no doubt from the avid skiing community, is the ability to read current
pool temperatures online, in the same way ski resorts publish current snow
conditions. more>>


Orchestration with MCollective

Author: Kyle Rankin | Files under syndicated

I originally got into systems administration because I loved learning about computers, and I
figured that was a career that always would offer me something new to learn. Now many years
later that prediction has turned out to be true, and it seems like there are new things to learn
all the time. more>>


Graph Any Data with Cacti!

Author: Shawn Powers | Files under syndicated

For the past few years, I’ve been trying to understand how to make graphs using
RRDtool (Round-Robin Database tool) after failing miserably to understand MRTG
(Multi-Router Traffic Grapher) before that. The thing I like about RRDtool
is that it’s newer and supports a wider variety of data sources. more>>


Preparing Data for Machine Learning

Author: Reuven M. Lerner | Files under syndicated

When I go to, the online store often recommends products
I should buy. I know I’m not alone in thinking that these
recommendations can be rather spooky—often they’re for products
I’ve already bought elsewhere or that I was thinking of buying.
How does Amazon do it? more>>


Low Power Wireless: 6LoWPAN, IEEE802.15.4 and the Raspberry Pi

Author: Jan Newmarch | Files under syndicated

The Internet of Things (IoT) is one of the new kids on the block. It
promises connection of sensors and actuators to the internet, for data to
flow both ways, and once on the internet, to become part of new and exciting
business systems, reaching up into the realms of big data and artificial


Wrapping Up the Mars Lander

Author: Dave Taylor | Files under syndicated

In my last few articles (“Let’s Go
to Mars with Martian Lander”
and “Mars
Lander, Take II: Crashing onto the Surface”
), I’ve been building a variant on the classic video
game Lunar Lander, with a few simplificatio more>>


Simple Server Hardening, Part II

Author: Kyle Rankin | Files under syndicated

In my last
, I talked about the classic, complicated approach to
server hardening you typically will find in many hardening documents and countered it
with some specific, simple hardening steps that are much more effective
and take a only few minutes. more>>


On-the-Fly Web Server

Author: Shawn Powers | Files under syndicated

Most of you have a web server installed on your network somewhere. In fact,
most of you probably have several. In a pinch, however, getting to the web directory
can be difficult. more>>