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PostgreSQL, the NoSQL Database

LinuxJournal - 1 hour 25 min ago

One of the most interesting trends in the computer world during the past few years has been the rapid growth of NoSQL databases. The term may be accurate, in that NoSQL databases don't use SQL in order to store and retrieve data, but that's about where the commonalities end. NoSQL databases range from key-value stores to columnar databases to document databases to graph databases. more>>

HPC Cluster Grant Accepting Applications!

LinuxJournal - Wed, 2015, Jan28 - 11:34

Silicon Mechanics, Inc. has announced the open submission period for its 4th annual Research Cluster Grant Program.  This competitive grant will award two complete high performance compute clusters to two institutions of higher education and research. The competition is open to all US and Canadian qualified post-secondary institutions, university-affiliated research institutions, non-profit research institutions, and researchers at federal labs with university affiliations.

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Sharing Admin Privileges for Many Hosts Securely

LinuxJournal - Wed, 2015, Jan28 - 11:20

The problem: you have a large team of admins, with a substantial turnover rate. Maybe contractors come and go. Maybe you have tiers of access, due to restrictions based on geography, admin level or even citizenship (as with some US government contracts). more>>

Red Hat Enterprise Linux 7.1 beta available on IBM Power Platform

LinuxJournal - Fri, 2015, Jan23 - 10:24

Two open source titans put their rings together and joined forces to announce that Red Hat Enterprise Linux v7.1 beta is now available on the IBM Power Development platform. Last month Red Hat announced that v7.i beta supported IBM Power Systems based on little endian mode. more>>

Designing with Linux

LinuxJournal - Thu, 2015, Jan22 - 12:15

3-D printers are becoming popular tools, dropping in price and becoming available to almost everyone. They can be used to build parts that you can use around the house, but more and more, they also are being used to create instruments for scientific work. more>>

Wondershaper—QOS in a Pinch

LinuxJournal - Wed, 2015, Jan21 - 11:59

In past articles, I've discussed my BirdCam setup and how it automatically archives video footage from my bird feeders to YouTube every night. That's a really cool process, but unfortunately, it saturates my upstream bandwidth in the evening. more>>

Ideal Backups with zbackup

LinuxJournal - Mon, 2015, Jan19 - 12:28

Data is growing both in volume and importance. As time goes on, the amount of data that we need to store is growing, and the data itself is becoming more and more critical for organizations. It is becoming increasingly important to be able to back up and restore this information quickly and reliably. Using cloud-based systems spreads out the data over many servers and locations. more>>

Non-Linux FOSS: Animation Made Easy

LinuxJournal - Wed, 2015, Jan14 - 14:56

If you've ever wanted to make an animated film, the learning curve for such software often is really steep. Thankfully, the Pencil program was released and although basic, it provided a fairly simple way to create animations on your computer (Windows, Mac or Linux) with open-source tools. Unfortunately, the Pencil program was abandoned. more>>

Internet of Things Blows Away CES, and it May Be Hunting for YOU Next

LinuxJournal - Mon, 2015, Jan12 - 14:44

Originally this article’s purpose was to discuss all the exciting happenings surrounding the 2015 International CES “Internet of Things” Showcase in Las Vegas, Nevada. After all, of the 3600+ exhibitors, there were fully 900 exhibitors with IoT designation at this most-amazing-of-all trade shows, and 170,000 people came through the turnstiles to see the spectacle! more>>

Slow System? iotop Is Your Friend

LinuxJournal - Mon, 2015, Jan12 - 14:17

Back in 2010, Kyle Rankin did an incredible series on Linux Troubleshooting. In Part 1, he talked about troubleshooting a system struggling with a high load. more>>

diff -u: What's New in Kernel Development

LinuxJournal - Thu, 2015, Jan08 - 10:50

David Drysdale wanted to add Capsicum security features to Linux after he noticed that FreeBSD already had Capsicum support. Capsicum defines fine-grained security privileges, not unlike filesystem capabilities. But as David discovered, Capsicum also has some controversy surrounding it. more>>

Android Candy: Disney Everywhere, Even Android!

LinuxJournal - Mon, 2015, Jan05 - 12:06

As a father of three girls, I have piles and piles of Disney DVDs and Blu-rays. I occasionally look at the "Digital Copy" information and roll my eyes, because it requires some odd Windows DRM software or some other convoluted watching method that usually isn't possible or even interesting for me. more>>

Hats Off to Mozilla

LinuxJournal - Fri, 2015, Jan02 - 14:10

Firefox turned ten years old last November and celebrated the occasion with a new version (33.1) that featured a much-welcomed developer edition. It also featured a "forget" button that lets you backspace through time, blowing away history, cookies and open tabs: one more privacy tool for the shed. more>>

January 2015 Issue of Linux Journal: Security

LinuxJournal - Thu, 2015, Jan01 - 15:27
Security: a Method, Not a Goal

The Security issue of Linux Journal always makes me feel a little guilty. It turns out that although I have a fairly wide set of technology skills, I'm not the person you want in charge of securing your network or your systems. By default, Linux is designed with a moderate amount of security in mind. For that, I am incredibly grateful. more>>

Purism Librem 15

LinuxJournal - Wed, 2014, Dec31 - 11:22

I've been a fan of Free Software for quite some time, but for the most part I've found my opinions lean in the more pragmatic Bruce Perens Open Source camp. I value free software ideals but also accept other Open Source licenses that may not meet the strict definition of Free Software. I also don't refer to it as GNU/Linux. more>>

2014 Book Roundup

LinuxJournal - Mon, 2014, Dec29 - 12:30

As I write these words, the end of the year is approaching, and with it, so is the time for my annual book roundup. As in past years, in this article, I describe books that were new to me during the past 12 months, which means that I might well mention some new ones or ignore others that simply didn't come to my attention. more>>

New Products

LinuxJournal - Mon, 2014, Dec22 - 12:49
New Products for December 2014.

Android Candy: Google Keep

LinuxJournal - Fri, 2014, Dec19 - 13:21

I love Evernote. I pay for a premium membership, and to be honest, I don't think I even use the premium features. I just love Evernote so much, I want to support the company. But in the spirit of fair comparison, I forced myself to try Google Keep. more>>

Handling the workloads of the Future

LinuxJournal - Thu, 2014, Dec18 - 11:26

The history of computing can be traced by the popular buzzwords of the day. In fact, at some point we should run a contest where everyone submits their 5 all-time favorite computer industry buzzwords. There have been dumb terminals, smart terminals, client server, thin client, peer-to-peer, virtualization, containers, cloud, paas, saas, iaas…the list, and the acronyms stretch to the horizon. more>>

Raspi-Sump

LinuxJournal - Tue, 2014, Dec16 - 13:35

In June 2013, we had the unfortunate luck of a basement flood, caused by a tripped electrical breaker connected to our sump pump. There are so many things that can go wrong with a sump pump. You always are on guard for power outages, blown breakers, sump pump failures, clogged pipes and all manner of issues that can arise, which ultimately can end with a flooded basement. more>>

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