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brothke writes "A recent search on Amazon for travel guides returned over 30,000 results. Most of these are standard travel guides to popular tourist destinations which advise the reader to go to the typical tourist sites. The Geek Atlas: 128 Places Where Science and Technology Come Alive is a radically different travel guide. Rather than recommending the usual trite destinations, which are often glorified souvenir stores, the book takes the reader to places that make science real and exciting, and hopefully those who exit such places are more knowledgeable than when they went in." Read on for the rest of Ben's review. The Geek Atlas: 128 Places Where Science and Technology Come Alive author John Graham-Cumming pages 542 publisher O'Reilly Media rating 10/10 reviewer Ben Rothke ISBN 978-0596523206 summary A fascinating and enjoyable read Irrespective of its travel content, The Geek Atlas is a unique and fascinating read for the information and overview of its wide range of topics. If there is a fault in the book, it is with its title. When people see Geek Atlas, they might think that this is a book that takes the reader to boring and obscure places, which is the exact opposite of its intent.

Author John Graham-Cumming writes that you won't find tedious, third-rate museums, or a tacky plaque stuck to a wall stating that "Professor X slept here." Every place he recommends is meant to have real scientific, mathematical, or technological interest.

Each of the books 128 chapters is separated into 3 parts: a general introduction to the place with an emphasis on its scientific, mathematical or technological significance; a related technical subject covered in greater detail, and practical visiting information. So while you may not be able to make it to the Escher Museum (chapter 29) in The Hague, Netherlands; the information on how M.C. Escher used impossible shapes in which the chapter describes is a fascinating read on its own.

Graham-Cumming notes that a disappointing trend with science museums today is a tendency to emphasize the wow factor without really explaining the underlying science. He notes the following 3 attributes of such museums: a short name ending with an exclamation mark, a logo featuring pastel colors or a cuddle cartoon mascot, or an IMAX theater.

Why does the book specifically have 128 places listed? See chapter 58, for the National Museum of Computing in Bletchley, UK. Graham-Cumming notes that your average travel guide would have listed perhaps 100 or 125 places. 128 is a round binary number (10000000). Of course, those who are binary obsessed might wonder why this book is not titled 10000000 Places Where Science and Technology Come Alive.

The 128 places listed are for the most part divided equally between sites in Europe and the USA, with a few in the Far East and Russia. A complete listing of the sites is mapped on the books web site. Africa for some reason seems to be left out and perhaps a follow-up volume will fill that void. Of course, one could argue that Africa has had a minimal contribution to the world of science, mathematics and technology. Nigeria for example is famous for its 419 advance-fee fraud, but not its overabundance of contributors to physics.

For the US locations, there are locations for 25 states, with California being the biggest with 7 suggested places to visit. With that, it is surprising that the book lists the HP Garage, given that it is not open to the public and only serves as a shack to be photographed. Other places such as the US Navy Submarine Force Museum and MIT Museum are indeed more visit worthy.

The tours of some of the sites, like the HP Garage will take less than an hour or so (chapter 42 — Bunhill Fields Cemetery, London, UK), while others one can spend a half or full-day at the site.

While The Geek Atlas is touted as a travel guide, it is much more than that. Its 128 chapters are a wide-ranging overview of science and mathematics. Topics run the gamut from physics and pharmacology to transistors and optics. In fact, the book would make a superb syllabus for an introduction to science course. The plethora of subject covered, combined with its easy to read and absorbing style makes it a fantastic book for both those that are scientifically challenged, yet curious, and those that have a keen interest in the sciences.

The Geek Atlas is a fascinating and enjoyable read; in fact, it I found it hard to put down. Lets hope the author is working on a sequel with the next 256 additional places where science and technology come alive.

Ben Rothke is the author of Computer Security: 20 Things Every Employee Should Know.

You can purchase The Geek Atlas: 128 Places Where Science and Technology Come Alive from amazon.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.

theodp writes "Ever get a workaround for a bug from a vendor that's so rigoddamndiculous that there has to be a clueless MBA or an ornery developer behind it? For example, Microsoft once instructed users to wiggle their mouse continuously for several minutes if they wanted to see their Oracle data make it into Excel (yes, it worked!). And more recently, frustrated HP customers were instructed to use non-HP printers as their default printer if they don't want Microsoft Office 2007 to crash (was this demoed in The Mojave Experiment?). Any other candidates for the Lame Workaround Hall of Fame?"

Catalyst writes "SWFScan is a free Flash security tool (download here), released by HP Software, which decompiles all versions of Flash and scans them for over 60 security vulnerabilities. The scan detects things like XSS, SQL inside of the Flash app, hard-coded authentication credentials, weak encryption, insecure function calls, cross-domain privilege escalation, and violations of Adobe's security recommendations. There is also this video explaining a real, and amusing, attack against a Flash app. These issues are fairly widespread, with over 35% of SWF applications violating Adobe security advice."

Catalyst writes "SWFScan is a free Flash security tool (download here), released by HP Software, which decompiles all versions of Flash and scans them for over 60 security vulnerabilities. The scan detects things like XSS, SQL inside of the Flash app, hard-coded authentication credentials, weak encryption, insecure function calls, cross-domain privilege escalation, and violations of Adobe's security recommendations. There is also this video explaining a real, and amusing, attack against a Flash app. These issues are fairly widespread, with over 35% of SWF applications violating Adobe security advice."

Catalyst writes "SWFScan is a free Flash security tool (download here), released by HP Software, which decompiles all versions of Flash and scans them for over 60 security vulnerabilities. The scan detects things like XSS, SQL inside of the Flash app, hard-coded authentication credentials, weak encryption, insecure function calls, cross-domain privilege escalation, and violations of Adobe's security recommendations. There is also this video explaining a real, and amusing, attack against a Flash app. These issues are fairly widespread, with over 35% of SWF applications violating Adobe security advice."

ruphus13 writes "HP finally begins to actively push open source in its products. From the post, 'HP has been quirky over the years when it comes to open source. It has been, traditionally, a company that supports open source — especially in larger enterprises... Wednesday, it announced two new open source products, geared to small businesses and educational institutions. HP plans on including its 'Mozilla Firefox for HP Virtual Solution' on more of its business class desktop PCs (to a total of seven models between the HP Compaq dc/dx lines in the US, eight models worldwide). Come December 15th, HP will also offer Novell's SUSE Linux Enterprise Desktop on its HP Compaq dc5850 model. The base SLED-equipped model will cost $519, and features the usual open source suspects for the small business setting — OpenOffice, and mail clients such as Evolution.'"

An anonymous reader writes "HP researchers have built the first functioning hybrid memristor-transistor chip. Lead researcher Stanley Williams and his team built the very first memristor — the '4th fundamental element' of integrated circuits after resistors, capacitors and inductors — back in April. Memristors can remember their resistance, leading to novel electronic capabilities. The new FPGA circuit uses memristors to perform tasks normally carried out by (many more) transistors and is therefore smaller, more power efficient and cheaper to make, HP says. Memristors could also turn out to be a more compact, faster alternative to flash memory."

TheTieGuy writes "HP recently released their TouchSmart Application Development Guidelines to third party developers, allowing anyone to port and create touch-friendly applications that integrate and run within the TouchSmart Software suite on their popular TouchSmart PC. As part of the release, HP has gotten behind Capable Networks' Touchsmart Community website and forum to distribute the guidelines to developers while providing an environment for TouchSmart developers to interact. Also on the site is a download hub that allows TouchSmart developers to upload and share their creations with TouchSmart owners in a central location. To kick off the new development initiative, the TouchSmart Community is running a promotion that will send one developer (travel expenses paid) to demo their software in the HP booth at the 2009 Consumer Electronics Show in Las Vegas, along with a free TouchSmart PC, HP MediaSmart Server, and a month of promotion in the community."

Barence writes "HP has revealed faults with 38 different models in its slimline PC range, sparking speculation that Nvidia's faulty GPU problems have spread beyond laptops. HP's official statement says the problems are 'attributable to the computer's motherboard" and that affected machines 'may not boot or may not display video' — the same kind of terminology used to describe the previous faults with laptop GPUs. Both HP and Nvidia have declined to comment. But in a filing to the US Securities and Exchange Commission (SEC) earlier this year, Nvidia admitted 'there can be no assurance that we will not discover defects in other MCP or GPU products.'" Note: the linked story (updated since this submission) says that Yes, the problems are now confirmed to be rooted in the Nvidia GPUs.

RobotsDinner writes "HP's TouchSmart desktop is cool, but a blogger suggests it could be the beginning of a revolution if HP were to finally make the move of ditching Windows and building a Linux distro around the TouchSmart UI. 'Hello, HP. The UI of your latest TouchSmart computer says something about you. You may not have recognized your own weaving-in of meaning, but it comes across quite clearly if one reads just right: You want out. You want to escape the world of Windows to which Microsoft has sequestered you for the better part of two decades. Ah, but you can. No longer does Bill Gates stand guard outside your cell ... It's time to ditch Windows and build a Linux distro around the TouchSmart UI ... Your captivity of innovation under Microsoft is over. You're free. Free to invent, as you might put it.'"

mikeselectricstuff writes "HP's 20b business consultant calculator isn't the sort of thing that would normally interest the average Slashdotter, but HP has released a Devkit for it, including schematics and source for a sample application, and they appear to be actively encouraging people to re-purpose it. Maybe the engineers thought a business calculator was just too boring for their hardware? The calculator is based on an Atmel ARM chip, and it has a bootloader and JTAG interface to allow user applications to be written and downloaded, turning a boring calculator into anything you can do within the constraints of the hardware."

Eukariote writes "An estimated 18 million laptops with NVidia G84 and G86 graphics chips sold in the past one and a half years are experiencing high failure rates. Various laptop models from multiple manufacturers (Apple, Dell, HP, Lenovo, and others) are affected. NVidia blames it on bad chip packaging causing thermal failure. BIOS updates that turn the laptop fan on more frequently or permanently have been released by Dell and HP. The cynical interpretation is that this is likely to only delay the problem until the warranty has expired."

bergkamp writes "Hewlett-Packard has been selling USB-based hybrid flash-floppy drives that were pre-infected with malware, the company said last week in a security bulletin. Dubbed "HP USB Floppy Drive Key," the device is a combination flash drive and compact floppy drive, and is designed to work with various models of HP's ProLiant Server line. HP sells two versions of the drive, one with 256MB of flash capacity, the other with 1GB of storage space. A security analyst with the SANS Institute's Internet Storm Center (ISC) suspects that the infection originated at the factory, and was meant to target ProLiant servers. "I think it's naive to assume that these are not targeted attacks," said John Bambenek, who is also a researcher at the University of Illinois. Both versions of the flash-floppy drive, confirmed HP in an April 3 advisory, may come with a pair of worms, although the company offered few details. It did not, for instance, say how many of the drives were infected, where in the supply chain the infections occurred or even when they were discovered."

Sidepocket_Pro sent us a link to this HP press release which reads, "Based on our own testing, HP knows that many variables can affect the outcome of tests for ultrafine particle emissions. Although HP is not aware of all of the specific methodologies used in the Queensland study, based on what we've seen in the report — as well as our own work in this area — we do not believe there is a link between printer emissions and any public health risk. Specifically, HP does not see an association between printer use by customers and negative health effects for volatile organic compounds, ozone or dust. While we recognize ultrafine, fine, and coarse particles are emitted from printing systems, these levels are consistently below recognized occupational exposure limits."

analogrithems writes "Recently I was asked by one of the suits in my company to come up with a method to comply with the new PCI DSS policy that requires companies to have write once, read many logs. In short the requirement is for a secure method to make sure that once a log is written it can never be deleted or changed. So far I've only been able to find commercial and hardware-based solutions. I would prefer to use an open source solution. I know this policy is already part of HIPPA and soon to be part of SOX. It seems like there ought to be a way to do this with cryptography and checksums to ensure authenticity. Has anyone seen or developed such a solution? Or how have you made compliance?"

theodp writes "The SEC has dropping charges against HP, in return for some small concessions. The company was originally charged with improperly depriving investors of important information, violating the public reporting requirements of the Securities Exchange Act, and failing to disclose the full impact of an out-of-control press leak investigation. In return for the dropped charges, the computer maker simply agreed to cease and desist from doing similar acts in the future, without admitting or denying having done so in the past. 'HP acted in what it believed to be a proper manner,' said the company in a press release."

theodp writes "How do you replace your Chief Pretexting Officer? HP CEO Mark Hurd announced that Joel Hyatt, an individual of 'exceptional judgment and outstanding character,' has joined HP's Board of Directors, filling one of the seats vacated during last year's boardroom scandal. Hyatt, who drew the ire of a judge over the illegal, Philadelphia-like treatment of an attorney at Hyatt's namesake law firm who was diagnosed with AIDS, was also appointed to HP's HR and Compensation Committee. Presumably, the HP womenfolk won't hold it against Hyatt that he reportedly once advocated keeping alma mater Dartmouth female-free. Hyatt acknowledged making mistakes that he's learned from, but said he was not eager to share them."

An anonymous reader writes "Compared to an operating-system-level virtualization technology like OpenVZ, Xen — a hypervisor-level virtualization technology that allows multiple operating systems to be run with and without para-virtualization — trades off performance for much better isolation and security. OpenVZ's performance advantage due to running virtual containers in a single operating system kernel can be significant. A performance evaluation study (PDF) done by researchers at the University of Michigan and HP labs provides insight into how big a performance penalty Zen pays and what causes the overheads (primarily L2 cache misses)." From the report: "We compare both technologies with a base system in terms of application performance, resource consumption, scalability, low-level system metrics like cache misses and virtualization-specific metrics like Domain-0 consumption in Xen. Our experiments indicate that the average response time can increase by over 400% in Xen and only a modest 100% in OpenVZ as the number of application instances grows from one to four... A similar trend is observed in CPU consumptions of virtual containers."

CowTipperGore writes "Founded by William Shockley in the mid-50s, Shockley Semiconductor Lab is generally credited with starting the Silicon Valley boom. When he was unable to lure his former Bell Labs coworkers to join him, he filled his ranks with the best and brightest engineering school grads, including Gordon Moore and others who later went on to form Fairchild Semiconductor and Intel. The building at 391 San Antonio Road, Mountain View, California, is the original site of the company but, unlike the HP Garage, this building has received little protection or preservation. It recently housed a fruit stand, where visitors could find a small display about Shockley above baskets of fruit. The fruit stand is now closed, leaving the future of the building in the air."

mjhuot writes "Last week SearchNetworking.com announced their Product Leadership Awards for 2007. It was a pleasant surprise to see an open source project, OpenNMS, win the Gold in their Network and IT Management Platforms category. OpenNMS beat out the established players of Hewlett-Packard's OpenView and IBM's Tivoli. This was based on a user survey of all IT solutions, not just open source; it demonstrates that open source software is indeed making inroads into the enterprise."

snoukka writes "I just bought a new HP nx9420 laptop in order to use it with Linux, XEN, and windows on XEN. I was very disappointed when I noticed that the processor had this feature but VT is disabled in BIOS by HP and cannot be enabled! Disabled!? It's like buying a car with turbo and finding out after buying it that this turbo 'feature' was disabled." The forum thread goes back to last August and is still live. The latest post from an HP rep indicates that new firmware for the nx9420 should be available later this week in which the ability to switch on VT is enabled. It's not clear whether other HP products, in which VT was also disabled, will also get new firmware.

Justen writes "It's been nearly a year and a half since Carly Fiorina was fired as CEO and chairman at HP. Now, Forbes is saying Mark Hurd and HP today are reaping the success of the strategies she developed and decisions Carly made. 'Fiorina's demise was chalked up to bad execution of bad strategic moves, most notably the 2002 Compaq acquisition. But Hurd has always said there was nothing wrong with Fiorina's strategy. He seems to be hewing close to it. He rejiggered the org chart but said he'll keep the company together instead of breaking it up along premerger lines, as Fiorina's loudest critics suggested doing.' Forbes adds that HP's revenues, profit, and market share have held steady or improved since Hurd came aboard, but asks: 'Whose results are these? You could make a case that they are as much Fiorina's as Hurd's. The effects of strategic moves like buying Compaq stretch out over years.' So, which is it? Did Carly kill the HP way? Or did she save what was left of it?"

lukOh asks: "in the US, 802.11b/g (2.4Ghz) devices use an 83Mhz-wide frequency range; in-use channels spanning 22Mhz and centered on one of 11 5Mhz steps (badly named as "channels"). This means there should be no more that 3 networks in close proximity, 5 'channels' far from each other, to avoid harmful interference. Now, in the middle of the mixed area where I am, the number of usable WLANs (SNR>20dBm) has gone from 10 to an unworkable number of 20, in just one month. Has the community/the market overestimated the practicality of wireless networks? Are we generally relying too much on such a young, IMHO immature technology made on 'startups hope' and broken firmwares? How can this mess possibly be handled in a working environment, especially the moment your boss asks you to give him access to 'the wireless'?" "Access points can be easily detected, but the same isn't always true for every single client (or Bluetooth device) searching or using a network. Bluetooth itself employs the same 2.4Ghz range with 1Mhz-wide channels and much less power. To avoid interference a device jumps channel-to-channel, when the currently selected one is busy.

Most WLANs are managed by less-than-perfect SOHO access points. Connecting to an AP in such an environment is a gamble (even from 1ft away), especially when: WPA/WPA2 must be used; 802.11g stability is a dream; anywhere up to 7 networks are on the same 'channel' (1 and 11, being the most used, are standard on many devices); and now 'channel wars' are very common (i.e. 2 or more users concurrently hunting to set a free channel for their network, making the entire range unusable for hours)."

vincecate writes "Traditionally the key chips that have allowed companies to scale multiprocessors to large numbers have been proprietary. Some examples are the Cray SeaStar, SGI NUMAlink, HP sx1000, and the IBM X3/Hurricane. This proprietary paradigm is about to change to a more open one. Two companies have developed key chips for building large Opteron multiprocessors, and they will be commercial off-the-shelf parts. PathScale has released InfiniPath which can be used with an Infiniband switch to make a high-bandwidth low-latency interconnect for a supercomputer cluster. The other company is Newisys, which will soon release the Horus chip. This chip will make it possible to build 32 socket (64-core) shared memory Opteron systems."

pankaj_kumar writes "Apache Ant, the Java replacement for make , belongs to the rare breed of category killer software for automating Java software development tasks. It is an Apache open source project, has won numerous awards, boasts comprehensive online documentation and is used by most Java developers. So, what could a book say that is already not available online?" Read on for Kumar's review of Ant: The Definitive Guide. Ant The Definitive Guide author Steve Holzner pages 316 publisher O'Reilly rating 8 reviewer Pankaj Kumar ISBN 0596006098 summary Complete Build Management for Java with Ant

As a long time Ant user, I have written many Ant build scripts, automating my builds and speeding up the overall development cycle, mostly relying on its excellent online documentation. As a Java developer, I have admired its simple and intuitive interface and the modular design. So on getting Ant: The Definitive Guide in my hands I wasn't expecting a whole lot new to learn, and thought of using it only as a reference book.

After having the book on my desk for more than a month, though, and occasionally flipping through its pages whenever I would otherwise have consulted the online documentation, I must say that I had been missing out on some very important things: tasks like ftp and war deployment that I was simply not aware of and had never felt the need to look up, but could very well use. The other interesting thing I noticed was that my build scripts became smaller, more modular and easier to read.

Like most books in the The Definitive Guide series, Ant The Definitive Guide assumes a certain level of familiarity with underlying technologies such as Java and XML and focuses on providing complete, reference like details of Ant features and tasks. These description are generously supplemented with examples and code fragments.

But so is the the online documentation for Ant! Will someone gain additional insight in using Ant, or be able to work faster, or make better use of Ant capabilities, by consulting this book, instead of the online documentation for a particular Ant task? To find the answer, I randomly picked two topics -- filesets, an important and oft-used Ant datatype, and javac, a core Ant task -- and compared their online description with the one in the book. Here is what I found.

Besides the datatype definition, explanation of various attributes, sub-elements, and the examples, the book also covers how to specify conditional inclusion or exclusion of certain filename patterns when a property is set (or unset). Though this can be inferred from online documentation by a determined user, this particular use is far from obvious. The coverage in the book also talks about the relationship of the fileset datatype with the javac task, pointing out that the fileset attribute dir is equivalent of javac attribute srcdir, as attribute dir will be confusing in javac: is it referring to source directory or destination directory. This is the kind of insight that really helps a user.

The treatment of the javac task in the book is not much different from the one in the online documentation. Both have almost the same material, though the information in the book is better organized for new users. On the other hand, I found the online documentation to be more complete, especially with respect to the compiler specific options and behavior idiosyncrasies.

Here is a rundown on what the book covers: Chapter 1, Getting Started is a quick primer on Ant, with sufficient details for a new user to start using Ant for very simple build tasks. Chapter 2, Using Properties and Types introduces the building block tasks and datatypes, such as property, condition, fileset, path like structures, selectors and so on, used in other Ant tasks. Chapter 3, Building Java Code covers the tasks and activities around compiling Java source files (ie; javac), organizing the build steps in various targets within a single build scripts and/or across multiple scripts, generating documentation using javadoc and creating distribution jars and zip files. The rest of the chapters are devoted to tasks for specific purposes, such as launching external programs (Chapter 7, Executing External Programs), copying files and manipulating directories either on the same machine or over the network (Chapter 4, Deploying Builds), running JUnit tests (Chapter 5, Testing Builds with JUnit) and so on. There are also separate chapters covering interaction of Ant with XML and XDoclet (Chapter 9, XML and XDoclet) and with Eclipse (Chapter 11, Integrating Ant with Eclipse). The last chapter, Chapter 12, Extending Ant, talks about extending Ant by doing things like adding your own tasks, creating custom filters, writing your own build listeners and loggers etc. This chapter also has a small section on how to embed a script written in one of the supported scripting languages within an Ant script.

As you can see from this outline, the book covers almost everything that is to know about Ant and other related software.

So, what is not so good about this book? Well, I didn't find anything wrong with the topics which are actually covered by the book. Of course, there are additional things that I would have liked to see in the book: (a) A good sample Ant script which could be used as the starting point for most small to medium-sized projects; (b) A more thorough explanation of how dependencies among targets determine the execution sequence and how this fits in with explicit invocation of targets; and (c) pictures to illustrate some of the concepts such as life cycle of an Ant task, selection of files in a fileset and the dependency tree of targets.

Overall, I found the book to be comprehensive, well organized, easy to read and good value for money.

You can purchase Ant: The Definitive Guide from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.

Sushant Bhatia writes "Forbes is reporting that HP is introducing new technology in its inkjet printers that should help the company and consumers save time and money. If successful, the strategy may alter the economics of the printer market. The new inkjet platform, which will initially be geared toward the high end of the market, will incorporate the print head in the printer itself rather than in the ink cartridge. It means cheaper prints for consumers (about 24 cents per photo print) and faster output. HP says it has more than halved the time it takes to print a 4-inch-by-6-inch photo, to 14 seconds. The press release from HP has details on the new technology."

Edit This Page writes "Jimmy Wales announced today that Yahoo! has ordered 23 HP servers for the Wikimedia Foundation. The three database servers are model DL 385, and will come with dual Athlons, 8GB of RAM, and 6x 146GB 15K RPM drives each. They will also provide rackspace and bandwidth. The announcement comes four months after Google's announcement of support, and two months after Yahoo's own. Google has not yet made their intentions clear. You can read more about the specifications of what will soon be a 100+ server cluster at the Wikimedia Servers wiki article."

Thomas Hawk writes "HP has recently been making the rounds promoting their new company blogging efforts. Nora Denzel, HP's senior vice president and general manager of HP's Adaptive Enterprise and Software Global Business Unit has started a podcast and a number of new bloggers including David Gee, the head of worldwide marketing for HP's management software business, have also started company blogs. So imagine my surprise when I tried to legitimately leave a comment critical of HP at David Gee's HP blog and had my comment quickly erased and my HP passport (required to leave comments) revoked. Is it one-sided blogging to only let people say positive things about your company on your blog?" Update: 05/07 04:24 GMT by Z : Indeed, "Update: It would appear that David Gee has changed his mind and has reinstated my comment along with a comment from him saying he would pass the feedback along. A good first step. I've asked for an explanation as to why it was removed and hopefully will hear back soon."

Thomas Hawk writes "HP has recently been making the rounds promoting their new company blogging efforts. Nora Denzel, HP's senior vice president and general manager of HP's Adaptive Enterprise and Software Global Business Unit has started a podcast and a number of new bloggers including David Gee, the head of worldwide marketing for HP's management software business, have also started company blogs. So imagine my surprise when I tried to legitimately leave a comment critical of HP at David Gee's HP blog and had my comment quickly erased and my HP passport (required to leave comments) revoked. Is it one-sided blogging to only let people say positive things about your company on your blog?" Update: 05/07 04:24 GMT by Z : Indeed, "Update: It would appear that David Gee has changed his mind and has reinstated my comment along with a comment from him saying he would pass the feedback along. A good first step. I've asked for an explanation as to why it was removed and hopefully will hear back soon."

Vidar writes "HP has a line of thin clients, however, only one of these run Linux. But, being generic x86 hardware, you can install Linux on them. And it has been done, running Damn Small Linux from the flash of those devices. The article has a complete walkthrough for the procedure, as well as some toughts on the topic. It can be added that the rdesktop client is quicker than Microsoft's own RDP client. Also, with Linux it is easy to upgrade remotely, or even change to an entirely new protocol. Once one terminal is upgraded, the rest is done with dd and a USB stick!"

NZheretic asks: "HP has just announced that they have upgraded a four-processor server with Advanced Micro Devices' new dual-core Opteron. The amount of processing power a multi-processor multi-core system can deliver seem like a waste of processing power for most traditional servers, which are more likely to suffer from disk access bottlenecks before lack of processing power becomes a problem. But what if that power could be delivered direct to the desktop users? The HP ProLiant DL585 supports eight 64-bit PCI-X I/O Slots (Six 100MHz, two 133MHz). The ATI FireMV(TM) 2400 supports Quad DVI/VGA displays on PCI Express. Assuming that you leave one PCI-X slot for a multiport USB card, thats up to twenty eight displays with USB keyboards,mice and headsets that could theoretically replace twenty eight networked desktop PCs. Using DVI and USB extenders, not all of the user stations would have to be within the 7.5 meter cable distance imposed by the DVI cable limit. The only OS currently capable of supporting this many displays is Linux. What limits would be imposed by the hardware and PCI-X bottlenecks? Taking into account the added cost of the HP and ATI hardware, could it deliver a great reduction in the total cost of ownership over both traditional PCs and thin client systems? How many desktops is it practical for a high end server to directly replace?"

pankaj_kumar writes "'Tools are an aid to productivity, but you only get the benefits of the tool by using it for the right task; hammers bang in nails and screwdrivers are for screws.' This quote from chapter 9 ("Scripting") from Alan Monnox's Rapid J2EE Development applies not only to the choice of the programming language but to the whole array of software development activities thoroughly and eloquently covered in the book." Read on for the rest of Kumar's review. Rapid J2EE Development: An Adaptive Foundation for Enterprise Applications author Alan Monnox pages 395 publisher Prentice Hall PTR rating 8 reviewer Pankaj Kumar ISBN 0131472208 summary A telescopic view of tools, techniques and processes for boosting Java software development productivity

"Using a Hole-Hawg for the job of a homeowners drill can have deleterious effect on productivity by causing serious harm to the health of the inexperienced operator." Just identifying a tool for a task is not enough. You should also be able to match the demands of the task to the characteristics of the tool and your ability to handle the tool. The good news is that this book passes even this stringent test, suggesting very practical and hands-on approach for choosing the tool with right characteristics for the specific demands of the task.

The ever-growing body of literature on development best practices, the burgeoning ranks of supporting tools and the accompanying debates on their relative merits can easily overwhelm most practitioners. Worst, a large chunk of the developer community may never spend the time and effort and miss the opportunity to take advantage of them altogether. Rapid J2EE Development offers an easy path to such Java developers by bringing together a number development techniques, best practices and description of supporting open source tools in a single book.

Whether you are a confused Java developer, overwhelmed project leader or plain lost manager, this book has something for you. Wondering about how to design complicated class hierarchies to encapsulate the ever-changing business rules? Worry not, follow the advice of Chapter 10, "Working to Rule" and use Jess, an open-source Expert System Shell. Don't have the time or motivation to download and play with it? No problem. The coverage includes not only an overview and discussion on when and where to use it but also presents a sample session and illustrative code snippets.

If you're confused with all the hype around AOP (Aspect Oriented Programming) and uncertain about where to start, start with the chapter "Aspect Oriented Programming," which introduces the notion of crosscutting concerns in any large software project, presents the AOP terminology to nail down these concerns and associated actions, and covers AspectJ and AspectWerkz to apply AOP to your projects. The brief description of these tools may not answer each and every question, but the example- and code-driven approach will certainly make you feel a lot more comfortable and motivate to explore further.

Not able to decide whether to use XP (Extreme Programming) or RUP (Rational Unified Process) for your next project involving four different development teams in three different continents interacting with as many customer groups? The Chapter "Embracing Adaptive Methods" outlines an approach to making such methodology decisions, though it is not very obvious from the chapter title. (Of course, you will have to read the sections that talk about when XP works best and when the rigors of RUP start paying off to make your decision.) And although there is not much discussion around mixing elements of development methodologies or adapting them in the middle of an ongoing project, the author's account of a real case study does exactly this.

These are just a few examples. Other topics covered include use of UML for modeling, code generators, Model-Driven Architectures, Java-based scripting languages, Object Relational mapping, build and test automation, and use of the right IDE plug-ins for J2EE projects. Among the development tools, all the usual suspects are there: Apache Ant, Eclipse, Jython, JUnit, HttpUnit, JMeter. In fact, I also found description of tools that were somewhat new to me: MyEclipse, AndroMDA, Middlegen and few others.

I found the book to be highly readable, insightful and loaded with the right kind of details. For example, the information on debugging with Eclipse explains how to configure a J2EE program for remote debugging, and how to debug a Web application using JSPs, something that is quite hard to do without the right tools and the right methods. Even the UML primer, with its well-chosen examples, is a good refresher.

It is easy to get superficial when covering a lot of ground: a common pitfall for authors of books on new technologies is that they themselves get caught up in the hype and lose perspective, but Alan somehow manages to keep the extraneous stuff out and deliver what a hands-on professional looks for. He tempers his zeal with practical realities and conveys the same to the reader with anecdotes and discussions with colorful stories such as the Cargo Cult Software trap and Christmas Puppy Syndrome.

The book manages to introduce a number of the very best open source Java tools available to boost productivity in a very natural manner and with the appropriate context, and it succeeds in giving a "feel" for the tool by presenting hands-on sessions. Most other such efforts that I am aware of usually end up being a drab list of tools with descriptions taken from home pages.

Given the number of topics and tools covered, it would be unrealistic to expect in-depth coverage of everything. What this book does is to create the right context, introduce the appropriate topics, and generate sufficient motivation to explore further. Fair enough. In fact, I believe this is the best approach for any book in this "Google era" -- the book should tell what you should look for and let Google do the rest.

So, is there anything not to be liked about the book? Well, I was a little disappointed to not find my favorite BeanShell among various Java scripting alternatives. Another thing I noticed is that the coverage of system manageability issues, especially in a book with J2EE in its title, was quite conspicuous by its absence. Also, some of the points, especially those around use of best practices and development techniques, could be made more emphatically with help of focused and concrete anecdotes.

Of course, no book can cover everything, especially on topics that are open-ended by nature. Overall, I think it does justice to the subject matter and is worth reading by anyone even remotely connected to the business of creating, maintaining or operating Java/J2EE software.

You can purchase Rapid J2EE Development from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.

SpottedKuh asks: "Perhaps the days of sturdy laser printers are over, or perhaps it is just my bad luck. I've recently been the proud owner of two paperweights: First, an HP LaserJet 1100, which continually misfed papers and smeared toner. After selling that printer, I foolishly purchased a LaserJet 1012, not realizing just how poorly it played with my BSD systems. Naturally, I've learned my lesson about checking LinuxPrinting.org; but, more than that, I'm gun-shy about purchasing yet another printer to replace my current LaserJet. I look at one of my friends who has had a LaserJet 4P for probably around ten years, and it's still going strong. Are the days of such quality gone, or am I just looking in the wrong places?" "Though compatibility with *nix is a must, it is not all that I want. I want a printer that will be sturdy and reliable, with few toner smears and jams. Also, if I'm going to be dropping all this money again, a duplexing printer is a must! I've heard that there are a lot of design problems with the LaserJet 1320, mainly regarding the manual feed mechanism. Maybe the LaserJet 1*** printers just aren't well-built? So I'm thinking of purchasing a LaserJet 2420d; but, I haven't been able to find many reviews of that printer.

Can the Slashdot community provide me with feedback regarding the printers I have mentioned, or any other reliable duplexing laser for in my home office?"

gardolas writes "Rippers and burners with an eye for design have a new way to smarten their image. Disc writers that can print images onto the label sides of the discs will hit the market next month. The LightScribe system has been developed by Verbatim and HP."

Handpaper writes "The BBC has a story about HPs SE3D lab's pilot scheme to provide raw rendering power for smaller studios and amateurs. A sample movie is available.. " Yes, the long fabled "grid computing" may arrive soon on a massive scale.

neutron_p writes "Finally HP announced plans to include Blu-ray Disc drives across many of its product lines, including select consumer desktop and notebook PCs, personal workstations and digital entertainment centers. They will start selling PCs equipped with Blu-ray Disc drives in late 2005. An optical disc technology, Blu-ray Disc is poised to replace current DVD technology and become the next standard for personal computing data storage and viewing high-definition movies. More than 70 of the world's leading technology and entertainment companies have committed to the Blu-ray Disc format. Recently, Sharp unveiled Blu-ray disc recorder with Hard Drive/DVD which will be introduced on the Japanese market in December."

Stefano Mazzocchi writes "Many consider the Semantic Web to be vaporware and others believe it's the next big thing. No matter where you stand, a question always pops up: Where is the RDF browser? The SIMILE Project, a joint project between W3C, MIT and HP to implement semantic interoperability of metadata in digital libraries, released today the first beta release of a general purpose graphic and interactive RDF browser named Welkin (see a screenshot), targetted to those who need to get a mental model of any RDF dataset, from a single RSS 1.0 news feed to a collection of digital data."

JustOK writes "Yahoo! reports that IBM, Dell and HP have agreed to a code of conduct for not only workers, but the environment as well. An HP exec's statement is that the company is only responding to the company's 'globalizing in many parts of the world'." The joint press release is available, as is the code of conduct (pdf).

JustOK writes "Yahoo! reports that IBM, Dell and HP have agreed to a code of conduct for not only workers, but the environment as well. An HP exec's statement is that the company is only responding to the company's 'globalizing in many parts of the world'." The joint press release is available, as is the code of conduct (pdf).

gManZboy writes "Bob Supnik, former team lead for DEC's VAX microprossesor, has an article up on Queue about his Computer History Simulation Project and how emulating old servers may be a better way to keep them running that servicing the physical machines. So how many PDP-11's can you run on a Pentium 4 anyhow?"

IcerLeaf writes "CNN reports that Office Depot will happily recycle one old electronics item per customer, per day, from July 18th through September 6th. Qualifying electronics include computers, monitors, printers, scanners, fax machines, digital cameras, cell phones, and TVs 27" or smaller. Office Depot and Hewlett Packard will be splitting the bill. What's coming out of your basement?"

Kracs writes "HP are supplying their low-cost multi-user 441 desktops to African schools. Running Mandrake Linux, and sporting four screens (1xTNT2 AGP, 3xTNT2 PCI), keyboards and mice (1 PS2 set, 3 USB sets) they provide relatively cheap computer access for up to four users (of particular interest to schools in low economic zones). However, according to this article on New Zealand's Xtra news page they've only manufactured enough to outfit schools in South Africa. HP has commented that they're talking to several organisations and are hoping to bring the PC to market in other regions but have stated they will only be marketed to developing countries." (Remember, there are also home-grown methods to achieve similar results.)

phycoman writes "900,000 HP and Compaq laptops have potential memory issues and are being recalled. The RAM chips from four manufacturers can possibly lead to system corruption and lockups. The affected notebooks are Compaq Evo Notebook N610c, Compaq Evo Notebook N610v, Compaq Evo Notebook N620c, Compaq Evo Notebook N800c, Compaq Evo Notebook N800v, Compaq Evo Notebook N800w, Compaq Evo Notebook N1000c, Compaq Evo Notebook N1000v, Compaq Presario 1500, Compaq Presario 2800, Compaq Presario x1000, Compaq Presario x1200, HP Compaq Business Notebook nx7000 and HP Pavilion zt3000. As a result, HP has created a website whick allows users to download a program to test for faulty RAM chips."

mcleodnine writes "Jean Tourrilhes of the Linux Wireless LAN Howto project took some time to answer a few questions from members at LinuxQuestions.org. Among some of the more interesting commments was his pick of best and worst Open Source friendly vendors ('Some of those TI engineers even sent me e-mails criticising some features of the Wireless Extensions'), an opinion or two about the Next Big Thing in wireless (MIMO), and a poke in the eye for OS zealots of any religion."

Alex Moskalyuk writes "Remember the Best Buy commercial where a puppet asks a woman for a laptop computer, and upon hearing that it's a 'wireless' laptop, starts imagining his life free of strings and limitations? That guy doesn't know it yet, but soon the harsh reality will kick in, ironically kicking him off the wireless network periodically if he uses Microsoft Windows Wireless Zero Configuration or if he wants to run Linux on a laptop with WiFi card that doesn't support Linux. This book, however, is not just about getting your Linux laptop onto the wireless network. Granted, WiFi plays a big role in today's business and personal networks, and three chapters are dedicated to exactly that purpose, but behind that wireless adjective we have a variety of technologies." Read on for the rest of Alex's review of Linux Unwired, from O'Reilly. Linux Unwired: A Complete Guide to Wireless Configuration author Roger Weeks, Edd Dumbill, Brian Jepson pages 300 publisher OReilly rating 8 reviewer Alex Moskalyuk ISBN 0596005830 summary Complete guide to wireless configuration on Linux

Infrared, Bluetooth, 802.11 (in current a, b and g offerings, 802.11i is also being discussed), wireless access points friendly to Linux, United States commercial cellular networks and GPS systems are all covered in a single title that surprisingly fits all of this information into 284 pages. All the chapters can be subdivided into two large parts - familiarizing yourself with the technology (the primer on GPS is pretty good) and running Linux on it (with code and shell command samples and lots of URLs).

Introduction

The authors start up with introduction to wireless, intended for Linux geeks who are not quite up to speed on radio technologies. The concepts of waves, spectrum and radio wave behavior are explained, so later the reader can explain what a retracted radio wave is. Then the first chapter moves on to explain antenna behavior, wireless infrastructure modes and some common problem, like a hidden node in ad-hoc infrastructure. The chapter is well-written, and you're not expected to have an advanced radio degree or ARRL membership to understand the terms.

WiFi cards

Chapters 2, 3 and 4 deal with connecting a Linux desktop or notebook to a wireless 802.11 network. The first issue is that of chipsets used in the wireless card, and even though enough research has been done already, authors discuss different quirks relevant to Intersil Prism, Lucent WavelLan/Orinoco, Aironet/Cisco, Symbol, Atmel, Atheros and Broadcom chipsets. We need to discuss chipsets instead of discussing the actual wireless cards, since some hardware may be shipped under the same brand name with different internals. "A good case in point: the D-Link DWL-650. This radio card initially shipped with a Prism II chipset and was very popular, because it worked on a Linux box. However, D-Link changed chipsets when it released the DWL-650 Version 2, choosing the ADMtek chipset. It is very difficult to tell from the packaging which version of the DWL-650 you are purchasing".

The chapters are done in traditional walk-through mode. They are not HOWTOs or compendia of reference information, available from the manufacturer's Web sites. The authors made an effort to ensure the reader is capable of starting up a wireless connection on Linux box, knowing nothing about it while learning important technology in the process. Certain wireless drivers need to be compiled into Linux kernel, so the task is not for the meek, but with detailed explanation, plenty of URLs and nice fonts and paragraph formatting O'Reilly Publishing uses to differentiate between the text, commands entered at the shell, and URLs, the book is easy to read.

Chapter 3 (available in PDF) teaches the reader how to connect to existing wireless network once the wireless card has been recognized by the system and proven functional. By the time the book hit the stores it was already a bit out of date, since the very first hotspot operator, Cometa Networks, shut down in May 2004. Chapter 4 discusses wireless security, touching WEP settings, a $20 Linuxant utility allowing the user to implement WiFi Protected Access, as well as authentication utilities wpa_supplicant and XSupplicant.

WiFi access points

The issue of WiFi access points is not trivial either, as many vendors out there will ship the product with a Windows app being the only way to set it up. However, for the access point setups that are Web-based, a browser in Linux will do the job. The most Linux-friendly access point include Linksys, Netgear, D-Link, Cisco, SMC, EnGenius, Belkin, US Robotics, Microsoft and ActionTec. Again, harsh reality kicked in between the time the book was written and went to press, and it's sad to see yet another Linux-friendly access point vendor quitting the market.

Not satisfied with commercial offerings out there? Chapter 6 takes the reader into the task of building your own access point. Don't forget that an access point doesn't need to be a compact portable - your old 486 with Linux on it and a wireless card connected to it might serve the purpose. Unfortunately, after all the hardware is bought and assembled, the final product might still cost you the quadruple (in case you go with smaller form-factor motherboards and CompactFlash cards for software storage), so consider this more as a geek project, not a viable solution. The authors use LinuxAP distribution for this task.

16 pages are dedicated to hacking Linksys WRT54G access point with Sveasoft, described as disruptive technology by Robert X. Cringely. The authors also take a brief look at Wifi-box and OpenWRT.

Other wireless technologies

Bluetooth, Infrared, cellular and GPS chapters follow the same chapter plan - first the basics of the technology and simple use case scenarios of what you might use it for, then the hardware needed to implement the wireless technology, available Linux software to do the jobs, accompanied with the list of shell commands to successfully talk to a wireless product, and after that typical applications of the working link.

The authors tested various wireless data plans in the United States, although this data, once again, is constantly changing as the operators buy one another and introduce new data plans. The winner of the quality and the fastest download tests, by the way, was a Motorola v120e phone on Verizon Wireless network. In upload speed tests a Merlin C201 PCMCIA card on Sprint PCS network won. T-Mobile also offers a PCMCIA card for its GPRS network, so the authors install and run it under Linux in Chapter 9.

The last chapter discusses using Linux computers with GPS devices and open-source GPSdrive project for reading GPS data.

The book

For those just venturing into the wireless world, the book would be useful. All the information provided on WiFi connectivity can perhaps be googled and found in various HOWTOs. With wireless operators, GPS systems and Infrared connection one would have to rely on enthusiast sites and newsgroups. Having such informative title that covers all of the technologies would be very useful to a Linux enthusiast.

With that, the book can be quite overwhelming, although it's probably not intended to be read from page 1 to the end. There's usually more than one correct way to do things in Linux, and for each successful project another competitor appears on SourceForge the next day. I like the authors' approach of dedicating most of the chapter space to one, leading, Linux package that seems to be dominant in the field, and then briefly mentioning the others. A notable omission is Intel's Centrino drivers for Linux, as the company is bound to become a leader in the chipset marketplace with 42% of notebooks shipped in 2003 running Centrino chipsets.

But overall the book proved to have a high informational and educational value, not only you follow the steps on setting up wireless technologies on Linux, but you also learn the internals of the technology and why certain things are done that way, but not another.

You can purchase Linux Unwired from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, carefully read the book review guidelines, then visit the submission page.

Chroniton writes "According to InternetNews.com: 'HP stepped up its commitment to open source software Monday by pledging to offer and support the MySQL database server and JBoss application server software in its servers' - it's also mentioned: 'The deal is truly symbiotic. While MySQL and JBoss get backing from a technology driver such as HP, HP gets the added credibility of being cozy with open source, a label many enterprises and HP rivals, such as IBM and Dell, are working toward.'"

An anonymous reader writes "I've just been asked to digitize several dozen sets of lecture outlines at the university where I work. Basically, professors want to hand me a big (often 100+ page) stack of their handwritten lecture notes (with messy text, equations, and diagrams; sometimes double-sided) and expect me to post a PDF-or-something-similar to their course's web page. However, every desktop scanner I've ever used takes 1-2 minutes of user-attention per page and the resulting files end up Huge, impossible-to-read, or both. All I have at my disposal is my PowerBook, Acrobat, a couple hundred dollars of department funds for a new scanner (this maybe?), and, if I ask nicely, overnight use of the secretary's Win2k box. Any ideas? Sheet-fed scanner recommendations? Better file formats than PDF (or better PDF settings)? Do any of you students have usability advice?"

cottonbuds writes "Researchers at Human Media Lab, Queen's University in Canada presented the ECSGlasses: eye contact sensing glasses that report when people look at their wearer. When eye contact is detected, the glasses stream this information to appliances to inform these about the wearer's engagement. According to HML.Blog the ECSGlasses uses a wearable, wireless Eye-Contact Sensor (1.3MB .jpg) to gauge when the user receives eye-contact from an onlooker. eyeBlog uses this information to record and publish face-2-face conversations without dividing the user's attention between the event being recorded, and the device being used to record it. Moreover, because eyeBlog uses eye-contact to start and stop recording, users do not need to sift through hours of footage to find interesting segments. If you are the academic type you can read the paper (2.2MB .pdf), otherwise the video in .mpg (1:49min, 320x240, 7.5MB), or mp4 (1:49min, 320x240, 4.9MB) should explain everything. Video Mirror: .mp4 .mpg."

cottonbuds writes "Researchers at Human Media Lab, Queen's University in Canada presented the ECSGlasses: eye contact sensing glasses that report when people look at their wearer. When eye contact is detected, the glasses stream this information to appliances to inform these about the wearer's engagement. According to HML.Blog the ECSGlasses uses a wearable, wireless Eye-Contact Sensor (1.3MB .jpg) to gauge when the user receives eye-contact from an onlooker. eyeBlog uses this information to record and publish face-2-face conversations without dividing the user's attention between the event being recorded, and the device being used to record it. Moreover, because eyeBlog uses eye-contact to start and stop recording, users do not need to sift through hours of footage to find interesting segments. If you are the academic type you can read the paper (2.2MB .pdf), otherwise the video in .mpg (1:49min, 320x240, 7.5MB), or mp4 (1:49min, 320x240, 4.9MB) should explain everything. Video Mirror: .mp4 .mpg."

majid writes "HP just announced a new calculator, the HP 33S. It supports RPN and algebraic notation, and sports a funky V-shaped design. I don't think it looks as nice as the 33SII it is supposed to replace, and it seems to have rubber keys instead of the wonderful hard plastic keys on older HP calculators, but it's nice to have a new RPN scientific calculator that does not have the intimidating learning (and remembering) curve of the 48 or 49 series. This one just might join my trusty 15C ... The User's manual PDF is available courtesy of Amazon, where it is apparently already No. 85 on the best-selling list."