This tutorial will cover the basics of the GNOME desktop environment and application framework. GNOME uses the GTK and GNOME API to provide the software developer interfaces.
Many biomedical terminologies, classifications, and ontological resources such as the NCI Thesaurus (NCIT), International Classification of Diseases (ICD), Systematized Nomenclature of Medicine (SNOMED), Current Procedural Terminology (CPT), and Gene Ontology (GO) have been developed and used to build a variety of IT applications in biology, biomedicine, and health care settings
If you've never abandoned your 4th grade obsession with the night sky (and who has?), Star Viewer is a web-based tool for peeking at some of the most interesting and vivid sights in the night sky. Star Viewer is not as complicated as, say, the previously mentioned open-source and feature-rich astronomy tool Stellarium
The Nikon system of digital single-lens reflex (SLR) bodies and lenses is a popular choice among serious photographers worldwide. This page makes it easy to shop for Nikon digital bodies and Nikkor lenses. Every component manufactured by Nikon is covered, plus a few exceptionally good third-party components. If you are new to photography, you might want to start with my article "Building a Digital SLR System".
"apt-fast and Axel: Roughly 26x Faster apt-get Installations and Upgrades Monday, 02 June 2008 Updated 12/17/2009 Since apt-fast has gotten popular due to acolades in the Ubuntu community and from mention in Linux Format, I've gotten lots of hits, and a few bugs. I believe that apt-fast is now golden, though, thanks to travisn000 on the PCLinuxOS forums. From now on, you can find the latest version "source" (it's just a shellscript) at http://www.mattparnell.com/linux/apt-fast/ ... the latest version will always be the one named "apt-fast.sh." Yes, this will work for any distro that uses apt-get, and the concept should work most of the others...it may even be as simple as removing wget and replacing it with a symlink to axel. Since I last updated this post, I have started using Archlinux, whose package manager has a system in place that allows any download manager to be used, for example."
"For a while now, IBM has had multiple and competing tools for managing AIX and Linux clusters for its supercomputer customers and yet another set of tools that were used for other HPC setups with a slightly more commercial bent to them. But Big Blue has now cleaned house, killing off its closed-source Cluster Systems Management (CSM) tool and tapping its own open source Extreme Cluster Administration Toolkit (known as xCAT) as its replacement."
"How to set up for usage with yum (minimum required version: yum 2.4.x): RHEL5, CentOS, Scientific Linux, RHEL4 yum, SLES yum Note: The version of yum distributed on CentOS 3 by default is too old (yum 2.0.8). You will need to upgrade to a yum 2.4.x version in order to use these repositories. The older version of yum does not support plugins or mirrorlists, which are required for these repos to work. "
"Linux Explorer ( LINUXexplo ) is a script that collects software and hardware information about a linux server for support purposes, similar to the Solaris explorer ( SUNWexplo ) , Redhat's "sysreport" and SuSE's "siga" script. The script is designed to collect information about a server to help service departments support linux and have a common set of scripts for collecting information about linux no matter what distro users are using. The information is stored in seperated directories, once all the information has been collected it then tar's up those directories into a single gzip tar file which can then be attached to an email for your support organization or copied to a remote server for safe keeping. "
"Yet another storage technology? Yes. Fibre Channel over Ethernet (FCoE) has arrived on the scene for a number of reasons, which Steve Looby of SANBlaze Technology, Inc., a designer of SAN Emulation test products and manufacturer of a complete line of AMC, PMC, AdvancedTCA, and CompactPCI board-level storage solutions, outlines here. Steve then goes on to discuss the new test capabilities for developing and deploying FCoE storage equipment."
"Chapter 4. The DM-Multipath Configuration File 4.1. Configuration File Overview 4.2. Configuration File Blacklist 4.2.1. Blacklisting by WWID 4.2.2. Blacklisting By Device Name 4.3. Configuration File Defaults 4.4. Multipaths Device Configuration Attributes 4.5. Configuration File Devices By default, DM-Multipath provides configuration values for the most common uses of multipathing. In addition, DM-Multipath includes support for the most common storage arrays that support DM-Multipath. The default configuration values and the supported devices can be found in the /usr/share/doc/device-mapper-multipath-0.4.5/multipath.conf.defaults file. "
"The lecture notes reference the 15.075 course textbook: Statistics and Data Analysis from Elementary to Intermediate by Ajit C. Tamhane and Dorothy D. Dunlop, Prentice Hall, 2000. They also occasionally refer to: Casella, George, and Roger L. Berger. Statistical Inference. Belmont, CA: Duxbury Press, 1990."
eBox Platform eBox Platform is a unified network server that offers easy and efficient computer network administration for SMBs. It can act as a Gateway, an Infrastructure Manager, a Unified Threat Manager, an Office Server, a Unified Communication Server or a combination of them. These functionalities are tightly integrated, automating most tasks, avoiding mistakes and saving time for system administrators. eBox Platform is released under the GNU General Public License (GPL) and runs on top of Ubuntu GNU/Linux. eBox Technologies S.L. is the company behind eBox Platform and all the technologies and services related to them, providing a comprehensive set of deployment, support and managed services for the Global eBox Partner Network.
Wolfram Alpha to open data feeds Wolfram Alpha, a project from the makers of math software Mathematica, will soon be opening up its data sets, opening up new possibilities for data mash ups
NxTop delivers secure, controlled desktops to any PC in the form of a virtual desktop or a virtual laptop, greatly reducing the cost and complexity of desktop management and patch management while improving desktop environment security. NxTop provides numerous advantages over traditional VDI solutions.
Future of the Screen: After the CRT, a Display Deluge By Jon Stokes | 09.02.09 For the seven decades following the debut of television at the 1933 Chicago World's Fair, the term "cathode ray tube" (CRT) was virtually synonymous with "display." Shortly after the turn of the millennium, liquid crystal display (LCD) technology began to replace the venerable CRT in desktop-computer applications, and by the middle of the decade LCD was rapidly squeezing the CRT out the television market that the latter had invented. Just two years ago, it seemed obvious that the display space was in the final stages of a relatively straightforward evolutionary shift, with LCD replacing the CRT in the same way that the gas-powered automobile had replaced the horse and buggy.
At Backblaze, we provide unlimited storage to our customers for only $5 per month, so we had to figure out how to store hundreds of petabytes of customer data in a reliable, scalable way—and keep our costs low. After looking at several overpriced commercial solutions, we decided to build our own custom Backblaze Storage Pods: 67 terabyte 4U servers for $7,867. In this post, we’ll share how to make one of these storage pods, and you’re welcome to use this design. Our hope is that by sharing, others can benefit and, ultimately, refine this concept and send improvements back to us. Evolving and lowering costs is critical to our continuing success at Backblaze. Below is a video that shows a 3-D model of the Backblaze Storage Pod. Continue reading to learn the exact details of the design
The purpose of our centre is to provide a national focus for research and development into curation issues and to promote expertise and good practice, both national and international, for the management of all research outputs in digital format. Find out more about the DCC.
ConVirt provides enterprise-class management of open source virtualization platforms, making open source virtualization an extremely viable and cost-effective choice for enterprises. ConVirt lets you manage the complete lifecycle of Xen and KVM virtualization platforms from a central, GUI dashboard. With sophisticated template-based provisioning, centralized monitoring, configuration management and administration, IT administrators can now automate the entire virtual machine lifecycle on open source platforms. ConVirt is an open source product backed by commercial, enterprise-class support, so you get the best of both worlds: a sophisticated, commercially-backed solution that is also highly cost effective. Annotated link http://www.diigo.com/bookmark/http%3A%2F%2Fwww.convirture.com%2Fproducts.html
ZDNet's Dana Blankenhorn reports today on a new open source navigation project launched by European GPS company TomTom that adds additional functionality to navigational devices, regardless of the make or model. The OpenLR project aims to put navigation data on top of a GPS unit's existing database so drivers can access local traffic, weather, and other useful information as they travel.
The information you keep in Google apps like Gmail, GCal, Reader, and Voice doesn't just live in one place. Check out a few easy but non-obvious ways to plug different Google apps together and share their data and features.
Ever since Lifehacker turned me on to Dropbox, it's become one of the most essential pieces in my daily workflow. Sure it syncs files extremely well, but Dropbox is an excellent tool for so much more.
Ooh, shiny! A new machine, and it has a Core 2 Quad processor! Everything's going to run so much faster now! Or is it? When you have four processor cores, does that mean everything runs four times faster? Or is everything still running on the first CPU and ignoring the others? How do you find out, and how do you make the best use of that shiny new multi-core processor?
As computational scientists are confronted with increasingly massive datasets from supercomputing simulations and experiments, one of the biggest challenges is having the right tools to gain scientific insight from the data. One common method for gaining insight is to use scientific visualization, which transforms abstract data into more readily comprehensible images using advanced computer software and computer graphics. But the ever-growing size of scientific datasets presents a significant challenge to modern scientific visualization tools. As a result, there is a great deal of motivation to explore use of large, parallel resources, such as those at the U.S. Department of Energy's (DOE) supercomputing centers, to take advantage of their vast computational processing power, I/O bandwidth and large memory footprint.
With Fibre Channel too expensive for most customers, the Internet Small Computer Systems Interface (iSCSI) protocol is poised to become the standard for architecting dedicated storage solutions. Small-to-medium businesses (SMBs) and enterprise customers alike should prepare for the inevitable adoption of iSCSI by encouraging their information technology staff to learn how to install and configure iSCSI today.
Ben Fry, well-known for Processing and plenty of other data goodness, announced his most recent piece, On the Origin of Species: The Preservation of Favoured Traces, made possible by The Complete Work of Charles Darwin Online.
The truth is, most online readers don’t care much about grammar, spelling and punctuation as long as they get the information they need. With that said, good grammar does build trust in your organization. So does proper spelling — so proofread your text and ask a professional copywriter to look it over if at all possible.
inderbox stores and organizes your notes, plans, and ideas. It can help you analyze and understand them. And Tinderbox helps you share ideas through Web journals and web logs
AFNI (which might be an acronym for Analyis of Functional NeuroImages) is a set of C programs for processing, analyzing, and displaying functional MRI (FMRI) data - a technique for mapping human brain activity. It runs on Unix X11 Motif systems, including
It costs more than three times as much to publish an article in a humanities or social-science journal as it does to publish one in a science, technical, or medical, or STM, journal, and the prevailing model used by many publishers of STM journals will not work for their humanities and social-sciences counterparts. Those are some of the eye-opening conclusions released today in a report on an in-depth study of eight flagship journals in the humanities and social sciences.
In my last project at work, I had to replace NFS with GFS2 and Clustering. So in this tutorial I will show you how to create a Red Hat or CentOS cluster with GFS2. I will also show you how to optimize GFS2 performance in the next HowTo, because you will quickly notice some loss of performance until you do a little optimization first.I will 1st show you how do build a Cluster with GFS2 on the Command Line and in the next tutorial I will show you how to do the same thing using Conga.
For around seventy years, 800 rolls of early nitrate film sat in sealed barrels in the basement of a shop. Now miraculously rediscovered and restored, the Mitchell
The goal of Tidydoc is to make documentation organization easier. It addresses the following problems: Add documents to a pool of documents. Give them the right names and put them into the right directories. Reorganize them a posteriori. Generate a set of HTML pages to browse your documents. Generate a bibtex file referencing all your documents.
Evolution of Google File System August 08, 2009 07:26:40 EDT There is an interesting interview about the evolution of the Google File System in ACM Queue. I think it is readable by anybody, not just ACM members. One of the morals of this story is that, even if you are building what you think will be the world's biggest, you still will make design decisions that you know are not scalable because you know how to implement them. It is better to get something running right away and start using it. Of course, they also ran into scalability problems that they did not expect. So, some of the evolution of GFS was planned, and some was unplanned.
So you have heard of all the advantages and geeky babble about how Linux is better and you have finally decided to try it? Just one thing, you don’t know an awful lot about Linux to get you started. How about some free downloadable ebooks to teach yourself Linux, that you can download today? Would that help? Free – you ask? Yes, free. Welcome to the world of Linux where things are free both as in free speech and also as in free beer (mostly)!
Personal supercomputers that lash together a stack of graphics processing units and can sit on a desktop are becoming popular with researchers. These machines can be used to run calculations by the desk instead of waiting for time on one of the national supercomputers.
SUSE Studio is a free, web-based service designed to build virtual appliances, such as pre-installed hardware-appliances, or "software appliances" -- pre-configured Linux server stacks suitable for installation by users on real or virtual commodity hardware. Recently released from beta, SUSE Studio can produce appliance images in raw disk image, Live CD/DVD iso, VMware, and Xen formats, and there are plans in the works for supporting Amazon's EC2 ami format, says the review by our sister publication, eWEEK.
To provide an insight into the quality of software that is available, we have compiled a list of 8 top free Linux compilers. Hopefully, there will be something of interest here for anyone who wants to transform source code into another computer language.