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• How can I install ATI Catalyst Video driver of Ubuntu 12.04.3?

  - by Eastsun

  EDIT My computer is Thinkpad E420 with Intel HD3000 and ATI 6630m. I have reinstalled my Ubuntu12.04.3 yesterday. I had successfully installed Ubuntu and ATI Catalyst Video driver many times about half year ago following these links: How do I get AMD/Intel Hybrid Graphics drivers to work? What is the correct way to install ATI Catalyst Video Drivers (fglrx)? However, this time I have no luck with installing ATI Catalyst Video driver. I have tried version 13.4, 13.1, 12.8 of ATI Catalyst Video driver. It seemed that 13.4 doesn't support 12.04 any more, following this link , the lowest Ubuntu version supported by ATI 13.4 is 12.10 and for the reset of the ATI drivers, the kernel version and xorg version of Ubuntu 12.04.3 is too high to be supported. So, should I stay on ubuntu 12.04.1 with ATI 12.8, or there is any way to install ATI driver on Ubuntu 12.04.3?

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• Chargeback and billing across public and private clouds

  - by llaszews

  Had a great conversation today regarding the need for metering, chargeback, and billing of cloud computing resources. The person I spoken with at a Fortune 1000 company increased the scope and magnitude of the issue of billing for cloud computing resources beyond what I had previously considered. I believed that doing any type of chargeback and billing for one public, private or hybrid installation was difficult. This person pointed out that the problem is even bigger in scope. The reality is many companies are using multiple public cloud vendors and have many different private cloud data centers. A customer may use AWS for some smaller public cloud applications, Salesforce.com (SaaS), Rackspace for IaaS, Savvis for colocation and a variety of Iaas and PaaS implementations for the private cloud. How does a company get a consolidated bill for all these different cloud environments? I am not sure their is an answer right now.

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• New Marketing Assets Available

  - by swalker

  NEW translated demand generation materials available for the following Oracle Marketing Kits, designed to help partners generate sales around Oracle's solutions: Server & Storage: Improve Database Capacity Management with Oracle Storage and Hybrid Columnar Compression Server & Storage: Accelerating Database Test & Development with Sun ZFS Storage Appliance Server & Storage: Upgrade SAN Storage to Oracle Pillar Axiom Server & Storage: SPARC Refresh with Oracle Solaris Operating System Server & Storage: SPARC Server Refresh: The Next Level of Datacenter Performance with Oracle’s New SPARC Servers Server & Storage: Oracle Server Virtualization Server & Storage: Oracle Desktop Virtualization

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• Are Sony Vaio S series or T series laptops compatible with both windows 7 and Ubuntu 12.04 in dual-boot installation

  - by rini

  I am planning to buy a new laptop which is suitable for both Ubuntu 12.04 and windows 7 in dual boot configuration. I am looking for Sony Vaio two models with configurations: 13.3" S series Customizable laptop ( SVS131190S) 3rd gen Intel® Core™ i5-3210M processor (2.50GHz / 3.10GHz with Turbo Boost) Intel® HD Graphics 4000 4GB (4GB fixed onboard + 1 open slot) DDR3-1333Mhz 500GB (5400rpm) hard drive 13.3" T series Customizable ultrabook 3rd gen Intel® Core™ i7-3517U processor (1.90GHz / 3.00GHz with Turbo Boost) Intel® HD Graphics 4000 500GB (5400rpm) + 32GB MLC hybrid hard drive with RAID 0 6GB (4GB fixed onboard + 2GB removable) DDR3-1333Mhz Can anyone please tell me which laptop will function better for dual booting? Any help/comments are really appreciated.

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• Forum that integrates into CMS and has curated category pages with tagged threads

  - by user6172

  I'm looking for a forum that meets these requirements: Login using Facebook/Twitter/OpenID etc. User profiles with reward system Voting/thumbs up function Categories and tags for sorting threads Custom category pages with moderated static header Embeddable threads and categories (For example, a whole category or single thread can be integrated into wordpress) API to users, discussions etc. I've looked at forums like Vanilla, Disqus, OSQA etc, but none seem to match the above "hybrid criteria". Hosted or self-hosted doesn't matter but I'm really looking for something that can be integrated into an existing CMS to replace comments while at the same time have curated category pages and user profiles. Thanks.

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• Deduping your redundancies

  - by nospam(at)example.com (Joerg Moellenkamp)

  Robin Harris of Storagemojo pointed to an interesting article about about deduplication and it's impact to the resiliency of your data against data corruption on ACM Queue. The problem in short: A considerable number of filesystems store important metadata at multiple locations. For example the ZFS rootblock is copied to three locations. Other filesystems have similar provisions to protect their metadata. However you can easily proof, that the rootblock pointer in the uberblock of ZFS for example is pointing to blocks with absolutely equal content in all three locatition (with zdb -uu and zdb -r). It has to be that way, because they are protected by the same checksum. A number of devices offer block level dedup, either as an option or as part of their inner workings. However when you store three identical blocks on them and the devices does block level dedup internally, the device may just deduplicated your redundant metadata to a block stored just once that is stored on the non-voilatile storage. When this block is corrupted, you have essentially three corrupted copies. Three hit with one bullet. This is indeed an interesting problem: A device doing deduplication doesn't know if a block is important or just a datablock. This is the reason why I like deduplication like it's done in ZFS. It's an integrated part and so important parts don't get deduplicated away. A disk accessed by a block level interface doesn't know anything about the importance of a block. A metadata block is nothing different to it's inner mechanism than a normal data block because there is no way to tell that this is important and that those redundancies aren't allowed to fall prey to some clever deduplication mechanism. Robin talks about this in regard of the Sandforce disk controllers who use a kind of dedup to reduce some of the nasty effects of writing data to flash, but the problem is much broader. However this is relevant whenever you are using a device with block level deduplication. It's just the point that you have to activate it for most implementation by command, whereas certain devices do this by default or by design and you don't know about it. However I'm not perfectly sure about that ? given that storage administration and server administration are often different groups with different business objectives I would ask your storage guys if they have activated dedup without telling somebody elase on their boxes in order to speak less often with the storage sales rep. The problem is even more interesting with ZFS. You may use ditto blocks to protect important data to store multiple copies of data in the pool to increase redundancy, even when your pool just consists out of one disk or just a striped set of disk. However when your device is doing dedup internally it may remove your redundancy before it hits the nonvolatile storage. You've won nothing. Just spend your disk quota on the the LUNs in the SAN and you make your disk admin happy because of the good dedup ratio However you can just fall in this specific "deduped ditto block"trap when your pool just consists out of a single device, because ZFS writes ditto blocks on different disks, when there is more than just one disk. Yet another reason why you should spend some extra-thought when putting your zpool on a single LUN, especially when the LUN is sliced and dices out of a large heap of storage devices by a storage controller. However I have one problem with the articles and their specific mention of ZFS: You can just hit by this problem when you are using the deduplicating device for the pool. However in the specifically mentioned case of SSD this isn't the usecase. Most implementations of SSD in conjunction with ZFS are hybrid storage pools and so rotating rust disk is used as pool and SSD are used as L2ARC/sZIL. And there it simply doesn't matter: When you really have to resort to the sZIL (your system went down, it doesn't matter of one block or several blocks are corrupt, you have to fail back to the last known good transaction group the device. On the other side, when a block in L2ARC is corrupt, you simply read it from the pool and in HSP implementations this is the already mentioned rust. In conjunction with ZFS this is more interesting when using a storage array, that is capable to do dedup and where you use LUNs for your pool. However as mentioned before, on those devices it's a user made decision to do so, and so it's less probable that you deduplicating your redundancies. Other filesystems lacking acapability similar to hybrid storage pools are more "haunted" by this problem of SSD using dedup-like mechanisms internally, because those filesystem really store the data on the the SSD instead of using it just as accelerating devices. However at the end Robin is correct: It's jet another point why protecting your data by creating redundancies by dispersing it several disks (by mirror or parity RAIDs) is really important. No dedup mechanism inside a device can dedup away your redundancy when you write it to a totally different and indepenent device.

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• How do I turn off nVidia high performance mode?

  - by gpen06

  I am new to Ubuntu 11.10 and never touched linux until today. I installed Ubuntu alongside with Windows 7. I have an issue with my laptop overheating and freezing when it uses the high performance GPU graphics mode (hybrid card). It is an easy fix for Windows 7. I simply set the graphics mode manually to the low performance integrated graphics (save power) mode using advanced power settings. In Ubuntu, I'm stumped at how to do this. When using Ubuntu, my laptop is showing the same symptoms as it did without the fix for Windows. I have the nVidia graphics driver installed for Windows which allows me to see which mode I am in. I downloaded it off of my laptop's website (ASUS). They do not offer driver downloads for linux. Screenshot of power settings in Windows 7

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• Why is Web SQL database deprecated?

  - by user221287

  I am making a hybrid Android app. At first I decided to use localStorage, after spending 2 days, I realized that it is very strange and so dropped it. Then, I picked up indexedDB, after spending today's whole day and actually getting the output in Google Chrome, it is not running inside a WebView of the android app. And I never used Web SQL database at all because it was deprecated. Anyhow, it has come to my notice that PhoneGap still uses Web SQL and android's browsers support it. Why was Web SQL deprecated in the first place? And will it be a good idea for me to go with Web SQL now?

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• Tile transitions - external vs internal

  - by omgnoseat

  I've been looking at a couple of games and noticed that the transitions between tiles are handled somewhat different. I was wondering which methods are to be used in different situations and why. I'm currently using internal edges in a top-down game, and it's working out so far. But I don't want to run into problems later on, and have to redo the whole tileset. I noticed that platforming games mostly use the internal edges, and top-down games mostly use external and hybrid transitions. I can see how these tiles are used to create "depth" in top-down games, where the player apears to be standing in front of a wall for example. But it seems unlikely that such a small feature decides the entire method for tile transitions. You could always alter the bounding box to create the same effect.

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• Neue Marketing Kits für Hardware

  - by A&C Redaktion

  Die Oracle Marketing-Kit sind ein beliebtes Instrument zur Vertriebsunterstützung. Stetig erweitert enthalten sie den Textentwurf für Emailing, Landigpad und ein Telemarketing-Script. Jetzt sind brandneue Kits u.a. in Deutsch für folgende Hardware-Lösungen verfügbar: Server & Storage: Improve Database Capacity Management with Oracle Storage and Hybrid Columnar Compression Server & Storage: Accelerating Database Test & Development with Sun ZFS Storage Appliance Server & Storage: Upgrade SAN Storage to Oracle Pillar Axiom Server & Storage: SPARC Refresh with Oracle Solaris Operating System Server & Storage: SPARC Server Refresh: The Next Level of Datacenter Performance with Oracle’s New SPARC Servers Server & Storage: Oracle Server Virtualization Server & Storage: Oracle Desktop Virtualization

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• What’s the Difference Between Sleep and Hibernate in Windows?

  - by Lori Kaufman

  Windows 7 provides several options for conserving power when you are not using your PC. These options include Sleep, Hibernate, and Hybrid Sleep and are very useful if you are using a laptop. Here’s the difference between them. Note: this article is meant primarily for beginners. Obviously ubergeeky readers will already know the difference between power modes. Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS How To Be Your Own Personal Clone Army (With a Little Photoshop) How To Properly Scan a Photograph (And Get An Even Better Image)

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• Gnome breaks Unity [on hold]

  - by user208020

  I just did a clean install of Ubuntu 13.10. I thought I'd play around with the GNOME desktop so, I installed it. However, it now seems there is no going back. When I attempt to switch back to Unity from the login screen, I get a hybrid of both Unity and GNOME. I have two questions: How do I restore Unity? It appears to be broken. I've also heard that Cinnamon breaks Unity in 13.10. What desktops are currently compatible with 13.10?

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• Microsoft Releases Windows Server 2012

  Windows Server 2012 offers expanded virtualization capabilities and works with Windows Azure, the software company's cloud platform. It can deliver more than 200 public, private and hybrid cloud services. The goal seems to be to deliver any application on any cloud. Rand Morimoto, president of Microsoft partner Convergent Computing, sees a number of major selling points for Windows Server 2012. For instance, its deduplication features can save a company 40 to 50 percent in storage space. Its automated IT management capabilities enable it to manage a large number of virtual machines. It can eve...

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• Email Job Failures Report to DBA using PowerShell

  MySQL introduced its own brand of job scheduling, called Events, in version 5.1. However, some Database Administrators (DBAs) feel that it isn't quite ready for prime time. This article presents a hybrid solution that uses MySQL Event Scheduling to manage the batch jobs and Windows PowerShell for the error handling. Does your database ever get out of sync?SQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• How to deploy http://code.google.com/p/dyuproject/ into app engine

  - by portoalet

  Hi, I am trying to use openid/hybrid in app engine, but so far, no luck. No success with openid4java (because it creates socket etc), and no luck with dyuproject either. How do it deploy dyuproject into my java appengine? I just could not understand the different structure of the code in http://dyuproject.googlecode.com/files/dyuproject.appspot.com-source-2009-10-08.zip It is just so different than the default new google web application. Many thanks.. I have been struggling the whole week

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• Is there a web application equivalent of Hypercard?

  - by Gabriel Cuvillier

  Recently, I found an interesting Wiki/CMS/Database hybrid called Wagn, where the most important unit of information is the 'Card'. That terminology immediately made me think of Hypercard. As expected, there is some "Hypercard-ness" in that application. Do you know of other web applications/frameworks with that "Hypercard-ness" thing, or if its successor still must be invented? Note: I insist on web applications because I already know the desktop ones.

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• NHibernate with StructureMap for a Non-Web Application

  - by Yoann. B

  Hi, What is best pratices for inject and manage Session/Transaction for NHibernate using StructureMap for a Non Web Application like an Windows Service ? In a web context, we use PerRequest Session management lifecycle using the Hybrid Lifecycle of StructureMap but for a Windows Service, i can't handle IDisposable UnitOfWork ... Thanks.

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• protection points in survivable mutlicast network

  - by wantobegeek

  I am working on a project on survivable multicasting.I want to propose a hybrid scheme(protection and restoration) for that purpose.Can anyone help me with an approach to decide protection points in a multicast tree??(The protection points will be those points upto which there will be an alternate path from the multicast source(protection) and from protection point to the multicast destination the path will be dynamically restored.).Pls suggest an approach to find the protection points.I found an approach name caterpillar tree which assigns the nodes on the spine of caterpillar tree as protection points.Is there any other such approach..?

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• Bracketing algorithm when root finding. Single root in "quadratic" function

  - by Ander Biguri

  I am trying to implement a root finding algorithm. I am using the hybrid Newton-Raphson algorithm found in numerical recipes that works pretty nicely. But I have a problem in bracketing the root. While implementing the root finding algorithm I realised that in several cases my functions have 1 real root and all the other imaginary (several of them, usually 6 or 9). The only root I am interested is in the real one so the problem is not there. The thing is that the function approaches the root like a cubic function, touching with the point the y=0 axis... Newton-Rapson method needs some brackets of different sign and all the bracketing methods I found don't work for this specific case. What can I do? It is pretty important to find that root in my program... EDIT: more problems: sometimes due to reaaaaaally small numerical errors, say a variation of 1e-6 in some value the "cubic" function does NOT have that real root, it is just imaginary with a neglectable imaginary part... (checked with matlab) EDIT 2: Much more information about the problem. Ok, I need root finding algorithm. Info I have: The root I need to find is between [0-1] , if there are more roots outside that part I am not interested in them. The root is real, there may be imaginary roots, but I don't want them. Probably all the rest of the roots will be imaginary The root may be double in that point, but I think that actually doesn't mater in numerical analysis problems I need to use the root finding algorithm several times during the overall calculations, but the function will always be a polynomial In one of the particular cases of the root finding, my polynomial will be similar to a quadratic function that touches Y=0 with the point. Example of a real case: The coefficient may not be 100% precise and that really slight imprecision may make the function not to touch the Y=0 axis. I cannot solve for this specific case because in other cases it may be that the polynomial is pretty normal and doesn't make any "strange" thing. The method I am actually using is NewtonRaphson hybrid, where if the derivative is really small it makes a bisection instead of NewRaph (found in numerical recipes). Matlab's answer to the function on the image: roots: 0.853553390593276 + 0.353553390593278i 0.853553390593276 - 0.353553390593278i 0.146446609406726 + 0.353553390593273i 0.146446609406726 - 0.353553390593273i 0.499999999999996 + 0.000000040142134i 0.499999999999996 - 0.000000040142134i The function is a real example I prepared where I know that the answer I want is 0.5 Note: I still haven't check completely some of the answers I you people have give me (Thank you!), I am just trying to give al the information I already have to complete the question.

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• Security concerns when bridging programming languages.

  - by The Rook

  What security concerns are there when you create a hybrid of languages? For instance using python and java code together with jython, or creating a python module from a C++ library. There are other ways of mixing 2 or more languages. Do you know of an example where this creates a vulnerability?

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• has anyone produced an in-memory GIT repository?

  - by Andrew Matthews

  I would like to be able to take advantage of the benefits of GIT (and its workflows), but without the cost of disk access - I just would like to leverage the distributed revision control capabilities of GIT to produce something like a hybrid of memcached and GIT. (preferably in .NET) Is there such a beast out there?

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• Should I invest time in learning Java language these days? (question from a greenhorn)

  - by dave-keiture

  Hi experts, Assuming you've already had a chance to look through the lambda syntax proposed for Java7 (and the other things that have happened with Java, after Oracle has bought Sun + obvious problems in Java Community Process), what do you think is the future of Java language? Should I, as a Java greenhorn, invest time in learning Java language (not talking about the core JVM, which definitely will survive anything, and worth investments), or concentrate on Scala, Groovy, or other hybrid languages on the JVM platform (I've came into Java world from PHP/Ruby). Thanks in advance.

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• Can you use jquery ui tab where some tabs are ajax driven and some static?

  - by oo

  I see there is full ajax mode but I wanted to see if there is a hybrid mode where some tabs are ajax driven and some static.

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• How to use OpenID+OAuth in my website?

  - by Yuan

  I want to log in my website by using google account, now i can use google account to log in(by OpenID), but i don't know how to get user account and information in google? Just like below link(which is provided by google) http://googlecodesamples.com/hybrid/ This link can log in by user's google account, and list all the documents in user's google doc, so i guess by using OAuth can let me get user's account(such as [email protected]) and get relative information, but i don't know how to do? PS. I use php to write my website

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• mobile: html5 vs xhtml

  - by Sean

  I am building a mobile app (hybrid mobile web app but with a native shell) with most users on the iphone (some on the blackberry) and am wondering if it should be written in html5 or xhtml? Any insight would be great.

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