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  • Can I use GPL software in a commercial application

    - by Petah
    I have 3 questions about the GPL here: If I use GPL software in my application, but don't modify or distribute it, do I have to release my application under the GPL? What if I modify some software that my application uses. Then do I have to release my application under the GPL, or can I just supply the modified software under the GPLs terms. And what if I use GPL software, but don't modify it, can I distribute it with my application? My case in point is, I have a PHP framework which I use the GeSHi library to highlight some output. Because GeSHi is GPL, does my framework have to be GPL? Can I modify GeSHi for particular use cases of my application if I supply the modifications back to the GeSHi maintainers? Can I redistribute my framework with GeSHi?

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  • Walmart and Fusion Apps

    - by ultan o'broin
    Photograph: Misha Vaughan I attended Fusion Apps (yes, I know I am supposed to say "Oracle Fusion Applications", but stuffy old style guides are a turn-off in interwebs conversations) User Experience Advocate (FXA) training in Long Beach, California last week; a suitable location as ODTUG KSCOPE 11 was kicking off and key players were in the area. As a member of Oracle's Apps-UX team I know the Fusion Apps messaging, natch, and done some other Fusion Apps go-to-market content work too. For the messaging details themselves, see Lonneke Dikmans (@lonnekedikmans) great blog, by the way. However, I wanted some 'formal' training combined with the opportunity to meet and learn from people already out there delivering those messages. The idea in me reaching out to Misha Vaughan, Apps-UX FXA maven, to get me onto this training was that in addition to my UX knowledge, I could leverage my location in EMEA and hit up customer events more quickly and easily. Those local user groups do like to hear the voice of locals too you know (so I need to work on that mid-Atlantic accent). I'm looking forward to such opportunities. The training was all smashing stuff, just the right level of detail, delivered professionally and with great style and humor. I was especially honored to be paired off for my er, coaching with Debra Lilley (@debralilley), who shared with everyone all kinds of tips and insights from her experiences of delivering the message and demo. For me, that was the real power of the FXA event--the communal, conversational aspect--the meeting up with people who had done all this for real, the sharing in their experiences, while learning along with other newbies. Sorry, but that all-important social aspect doesn't work so well with remote meetings. Katie Candland (Apps-UX) gave us a great tour of the Fusion Apps demo and included some useful presentational tips too (any excuse to buy that iPad). It's clear to me that the Fusion Apps messaging and demos really come alive with real-world examples that local application users will recognize, and I picked up some "yes, that's my job made easier" scene-stealers from Debra and Karen Brownfield too, to add to the great ones already provided. This power of examples shouldn't surprise anyone, they've long been a mainstay of applications user assistance, popular with users. We'll offer customers different types of example topics in the Fusion Apps online help too (stay tuned), and we know from research how important those 3S's (stories, scenarios, and simulations) are to users when they consume and apply information. Well, we've got the simulation, now it's time for more stories and scenarios. If you get a chance to participate in an FXA event (whether you are an Oracle employee or otherwise), I'd encourage it. It's committing your time and energy for sure, but I got real bang for the buck from it for my everyday job too. Listening to the room's feedback on the application demo really brought our internal design work to life, and I picked up on some things that I need to follow up on (like how you alphabetically sort stuff in other languages). User experience is after all, about users. What will I be doing next, and what would I like to see happen? Obviously, I need to develop my story-telling links with the people I met in Long Beach and do some practicing with the materials, and then get out there and deliver them at a suitable location. The demo is what it is right now, and that's a super-rich demo that I know everyone will want to see and ask questions about. Then, as mentioned by attendees at the FXA event, follow up on those translated and localized messages for EMEA (and APAC), that deal with different statutory or reporting requirements of the target markets. Given my background I would say that, wouldn't I? However, language is part of the UX, and international revenue is greater than US-only revenue for Oracle, so yes dear, we all need to get over the fact that enterprise apps users don't all speak, or want to speak, American-English. Most importantly perhaps, the continued development of a strong messaging community between Oracle and partners and customers where we can swap and share those FXA messaging stories and scenarios about Fusion Apps in a conversational way. The more the better, a combination of online and face-to-face meetings. I must also mention the great dinner after the event at Parker's Lighthouse, and the fun myself and Andrew Gilmour (Apps-UX) had at our end of the table talking about just about everything except Fusion Apps with Ronald Van Luttikhuizen and Ben Prusinski (who now understands the difference between Cork and Dublin people. I hope). Thanks to all the Apps-UXers who helped bring the FXA training to town, and to Debra and all the others that I am too jetlagged to mention right who were instrumental in making it happen for me. Here's to the next one. And the Walmart angle? That was me doing my Robert Scoble (ScO'bilizer?)-style guerilla smart phone research in Walmart in Long Beach, before the FXA event. It's all about stories for me. You can read more about it on the appslab blog (see the comments).

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  • Novos modelos de licenciamento para Web (Hosting, Cloud e SaaS) - Sessão para Parceiros - 15/Feb/11

    - by Claudia Costa
    RESERVE JÁ O SEU LUGAR!Com o aparecimento de novos modelos de 'deployment' de aplicações em Web - Hosting, On demand, Software-as-a-Service, Cloud Computing, etc - surgem também novas necessidades quanto às formas de licenciamento que permitam criar comerciais que suportem esses novos paradigmas. Neste encontro pretendemos actualizar os parceiros Oracle sobre os vários modelos de licenciamento disponíveis para estas novas forma de disponibilização das aplicações, dando-lhes a informação necessária e sugestões sobres as possíveis linhas de actuação que lhes permitam tirar partido destas novas oportunidades de negócio, e mostrar exemplos de como outros ISV já o estão a fazer. A quem se destina: Directores GeraisResponsáveis Comerciais Responsáveis de Marketing Equipas comerciais Responsáveis pela Gestão do Programa OPN e da relação com a Oracle Agenda What Oracle understands for ISV? Industry trends: Hosting, Cloud Computing e Software as a Service O que é que a Oracle entende por ISV? Revisão dos modelos de licenciamento tradicionais Full Use, Application Specific (ASFU) Novos modelos de licenciamento Hosting, Embedded (ESL), Embedded 'Royalty model', SaaS for ISV's, Proprietory Application Hosting, Modelos não standard Referências / Case Studies Discussão aberta Local e Horário9h30 - 12h30Oracle, Lagoas Park, Edifício 8, Porto SalvoInscrições: Enviar email para: [email protected] mais informações por favor contacte Claudia Costa pelo email ou telefone 21 423 50 27

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  • How to deal with social login

    - by Matteo Pagliazzi
    In my new web app I'm going to allow social login through Twitter (maybe), Facebook and Google and I'm in search of the best way to do it. Actually I'm using Rails with Devise + Omniauth and this is the problem: Should I ask the user to choose a password so that he can login without a social network? Or maybe the user should be able to set a password if he want (for example when editing his account?) The second way seems the best one but since Twitter doesn't provide user email and google doesn't provide an username I'll probably have to ask the user for username/email when he log in so in that case I may also ask for the password... waht do you think?

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  • How to show a minimap in a 3d world

    - by Bubblewrap
    Got a really typical use-case here. I have large map made up of hexagons and at any given time only a small section of the map is visible. To provide an overview of the complete map, i want to show a small 2d representation of the map in a corner of the screen. What is the recommended approach for this in libgdx? Keep in mind the minimap must be updated when the currently visible section changes and when the map is updated. I've found SpriteBatch, but the warning label on it made me think twice: A SpriteBatch is a pretty heavy object so you should only ever have one in your program. I'm not sure i'm supposed to use the one SpriteBatch that i can have on the minimap, and i'm also not sure how to interpret "heavy" in this context. Another thing to possibly keep in mind is that the minimap will probably be part of a larger UI...is there any way to integrate these two?

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  • Installation of Ubuntu 13.04 seems to take forever

    - by Michel
    I am about to install Ubuntu 13.04 on my AMD x64 machine and the installation of the lib packages seems to take forever. Is that a known issue? I know that it might take some time when checking to download packages from the Internet but this went through very fast. In the terminal-like view I can see, the system is just unpacking, installing, configuring etc. in a quite slow way. In the opening screen it reads: It just takes a few minutes (or something close to that). Again: Is that a normal behavior or am I doing something wrong and what could I do to speed up the process in case I'm running an installation again on another system?

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  • Remote Display Config.sh Using SSH

    - by john.graves(at)oracle.com
    How often I see people look to VNC, NXMachine, RDP, etc to get a windowing environment on a remote system.  These products are great and I use them too, but there is a fancy feature in SSH to help. ssh –X remoteserver This is a great feature for hooking into headless VirtualBox machines and remote displaying an install wizard. The remote server must have some lines put in the /etc/ssh/sshd_conf file: X11Forwarding yes X11DisplayOffset 10 The second line is optional, but the first is required.  Restart sshd (sudo /etc/init.d/ssh restart). Now I can ssh –X remote server Then run /opt/app/wls10.3.4/wlserver_10.3/common/bin/config.sh to build a new domain. Note: For some reason, the jdk that comes with WebLogic often fails to work on the remote display.  In that case, I modify the config.sh to just use /usr/bin/java (from openjdk-6-jre package).

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  • Unable to install files with apt-get: "unable to locate package"

    - by Ben Casling
    I'm having issues with my ubuntu server version 12.04 installed on a HP550 laptop, when i try sudo apt-get install <programname>, e.g apache2 it will not work, saying E: Unable to locate package apache2. I have tried to look/edit the sources. but they will not work either the gedit command is broken too, i am trying gedit /etc/apt/sources.list for those wondering, is this a case of the computer network not configured properly? it downloaded a language pack easily enough in the installation though. how do i fix this? a prompt reply would be appreciated.

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  • Map Library: Client-side or Server-side?

    - by Mahdi
    As I have already asked here, I have to implement a Multi-Platform Map application. Now I have Mapstraction as an option which uses Javascript to implement the desired functionality. My question is, "Is there any reason/benefit to implement such a library (let say, Adapters) in Server-side (in my case, PHP)?" As these maps are all based on Javascript, there is a big reason to use Javascript again to make the adapter also, so it would not be dependent to PHP, Java, or .NET for example. But is that all? I wish to hear your ideas and comments also. :)

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  • Command line options style - POSIX or what?

    - by maaartinus
    Somewhere I saw a rant against java/javac allegedly using a mix of Windows and Unix style like java -classpath ... -ea ... Something IMHO, it is no mix, it's just like find works as well, isn't it? AFAIK, according to POSIX, the syntax should be like java --classpath ... --ea ... Something and -abcdef would mean specifying 6 short options at once. I wonder which version leads in general to less typing and less errors. I'm writing a small utility in Java and in no case I'm going to use Windows style /a /b since I'm interested primarily in Unix. What style should I choose?

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  • Solving 2D Collision Detection Issues with Relative Velocities

    - by Jengerer
    Imagine you have a situation where two objects are moving parallel to one-another and are both within range to collide with a static wall, like this: A common method used in dynamic collision detection is to loop through all objects in arbitrary order, solve for pair-wise collision detection using relative velocities, and then move the object to the nearest collision, if any. However, in this case, if the red object is checked first against the blue one, it would see that the relative velocity to the blue object is -20 m/s (and would thereby not collide this time frame). Then it would see that the red object would collide with the static wall, and the solution would be: And the red object passes through the blue one. So it appears to be a matter of choosing the right order in which you check collisions; but how can you determine which order is correct? How can this passing through of objects be avoided? Is ignoring relative velocity and considering every object as static during pair-wise checks a better idea for this reason?

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  • Where does the URL parameter "?chocaid=397" come from?

    - by unor
    In Google Webmaster Tools, I noticed that my front page was indexed two times: example.com/ example.com/?chocaid=397 I know that I could fix this with the use of link type canonical, but I wonder: Where does this parameter come from? There are various sites that have pages indexed with this very parameter/value: https://duckduckgo.com/?q=chocaid%3D397. I looked for similarities between these sites. but couldn't find a conclusive one: It's often the front page, but not in every case. Some are NSFW, but not all. When one domains' URL has this parameter, often other subdomains of the same domain have it, too. Examples Wikipedia entry Microsoft Codeplex

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  • What are the relative merits for implementing an Erlang-style "Continuation" pattern in C#

    - by JoeGeeky
    What are the relative merits (or demerits) for implementing an Erlang-style "Continuation" pattern in C#. I'm working on a project that has a large number of Lowest priority threads and I'm wondering if my approach may be all wrong. It would seem there is a reasonable upper limit to the number of long-running threads that any one Process 'should' spawn. With that said, I'm not sure what would signal the tipping-point for too many thread or when alternate patterns such as "Continuation" would be more suitable. In this case, many of the threads do a small amount of work and then sleep until woken to go again (Ex. Heartbeat, purge caches, etc...). This continues for the life of the Process.

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  • Best URL for cars related website? [duplicate]

    - by Claudio ??is Mulas
    This question already has an answer here: What is the best stucture of SEO friendly URL? 3 answers If this was your website, what will be the URLs for each car on sale? http://www.autoscout24.eu/Details.aspx?id=247572735&asrc=ha I'm working on a car dealership website. What should be the best URL? Consider also that the company can have more models of the same car. I'm not asking for a url scheme, there are a lot of similar questions. My question is: in a car dealership website what is the best url for a car? What are by you the best variables I've to put on the url. Brand, model, year, location, color, miles/km, etc. This website, that url, this particulary case: what will you choose for urls? (even not in the following list) audi_q5_2009.html audi_q5_2009_used.html audi_q5_2009_used.html audi_q5_2009_used_in_alcobendas.html audi_q5_2009_used/247572735.html

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  • How to have a maintainable and manageable Javascript code base

    - by dade
    I am starting a new job soon as a frontend developer. The App I would be working on is 100% Javascript on the client side. all the server returns is an index page that loads all the Javascript files needed by the app. Now here is the problem: The whole of the application is built around having functions wrapped to different namespaces. And from what I see, a simple function like rendering the HTML of a page can be accomplished by having a call to 2 or more functions across different namespace... My initial thought was "this does not feel like the perfect solution" and I can just envisage a lot of issues with maintaining the code and extending it down the line. Now I would soon start working on taking the project forward and would like to have suggestions on good case practices when it comes to writing and managing a relatively large amount of javascript code.

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  • Creating symlink for Postgres

    - by Edwin
    As a developer, I often ssh right into my local database, just to test my application before pushing my code. However, I find that every time I want to access Postgres, I have to type in postgres@ubuntu:~$ /usr/local/pgsql/bin/psql test whereas on my work machine, all I have to do is type postgres@ubuntu:~$ psql --dbname=test --username=user I tried creating a symlink, which was successful, but whenever I try connecting to it through this shortcut, I get the following error message: psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"? How do I get this to work? In case it makes any difference, I'm using a self-compiled version of the 9.1.x series.

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  • How to install Percona Xtrabackup to Ubuntu 12.04LTS?

    - by coding crow
    I am trying to install Percona Xtrabackup to my Ubuntu 12.04 LTS insatlled on Amazon EC2. I am trying to follow instruction on the Xtrabackup installation page here. The instruction follows as Add this to /etc/apt/sources.list, replacing squeeze with the name of your distribution: deb http://repo.percona.com/apt squeeze main deb-src http://repo.percona.com/apt squeeze main In my case I will replace squeeze with precise but when I open /etc/apt/sources.list for editing it says the following It is suggestion three alternatives instead of editing which are listed a.), b.) and c.). My Question What should I do to install Percona Xtrabackup to my box?

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  • Compelling Reasons For Migrating to Oracle Database 11g

    - by margaret hamburger
    IDC's white paper Maximizing Your Investment in Oracle Application Software: The Case for Migrating to Oracle Database 11g  describes compelling business, operational, and technical reasons for Oracle application customers to upgrade or Oracle Database 11g. In researching this paper, IDC found that the upgrade process is smooth, the latest version offers key benefits over older versions, and the new features and procedures are easy to learn and well worth implementing. The paper highlights users of Oracle applications, such as Oracle's PeopleSoft Enterprise applications, Siebel Customer Relationship Management (CRM) applications, and Oracle E-Business Suite. It includes a review of Oracle Database 11g improvements and new features along with best practices from Oracle users who upgraded to Oracle Database 11g.

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  • Big Data – Buzz Words: What is HDFS – Day 8 of 21

    - by Pinal Dave
    In yesterday’s blog post we learned what is MapReduce. In this article we will take a quick look at one of the four most important buzz words which goes around Big Data – HDFS. What is HDFS ? HDFS stands for Hadoop Distributed File System and it is a primary storage system used by Hadoop. It provides high performance access to data across Hadoop clusters. It is usually deployed on low-cost commodity hardware. In commodity hardware deployment server failures are very common. Due to the same reason HDFS is built to have high fault tolerance. The data transfer rate between compute nodes in HDFS is very high, which leads to reduced risk of failure. HDFS creates smaller pieces of the big data and distributes it on different nodes. It also copies each smaller piece to multiple times on different nodes. Hence when any node with the data crashes the system is automatically able to use the data from a different node and continue the process. This is the key feature of the HDFS system. Architecture of HDFS The architecture of the HDFS is master/slave architecture. An HDFS cluster always consists of single NameNode. This single NameNode is a master server and it manages the file system as well regulates access to various files. In additional to NameNode there are multiple DataNodes. There is always one DataNode for each data server. In HDFS a big file is split into one or more blocks and those blocks are stored in a set of DataNodes. The primary task of the NameNode is to open, close or rename files and directory and regulate access to the file system, whereas the primary task of the DataNode is read and write to the file systems. DataNode is also responsible for the creation, deletion or replication of the data based on the instruction from NameNode. In reality, NameNode and DataNode are software designed to run on commodity machine build in Java language. Visual Representation of HDFS Architecture Let us understand how HDFS works with the help of the diagram. Client APP or HDFS Client connects to NameSpace as well as DataNode. Client App access to the DataNode is regulated by NameSpace Node. NameSpace Node allows Client App to connect to the DataNode based by allowing the connection to the DataNode directly. A big data file is divided into multiple data blocks (let us assume that those data chunks are A,B,C and D. Client App will later on write data blocks directly to the DataNode. Client App does not have to directly write to all the node. It just has to write to any one of the node and NameNode will decide on which other DataNode it will have to replicate the data. In our example Client App directly writes to DataNode 1 and detained 3. However, data chunks are automatically replicated to other nodes. All the information like in which DataNode which data block is placed is written back to NameNode. High Availability During Disaster Now as multiple DataNode have same data blocks in the case of any DataNode which faces the disaster, the entire process will continue as other DataNode will assume the role to serve the specific data block which was on the failed node. This system provides very high tolerance to disaster and provides high availability. If you notice there is only single NameNode in our architecture. If that node fails our entire Hadoop Application will stop performing as it is a single node where we store all the metadata. As this node is very critical, it is usually replicated on another clustered as well as on another data rack. Though, that replicated node is not operational in architecture, it has all the necessary data to perform the task of the NameNode in the case of the NameNode fails. The entire Hadoop architecture is built to function smoothly even there are node failures or hardware malfunction. It is built on the simple concept that data is so big it is impossible to have come up with a single piece of the hardware which can manage it properly. We need lots of commodity (cheap) hardware to manage our big data and hardware failure is part of the commodity servers. To reduce the impact of hardware failure Hadoop architecture is built to overcome the limitation of the non-functioning hardware. Tomorrow In tomorrow’s blog post we will discuss the importance of the relational database in Big Data. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Big Data, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • What are events SQL profiler eventclass numbers 65527,65528,65533,65534

    - by simonsabin
    I’ve been trying to use RML to process some files and couldn’t figure out why the numbers where all so much smaller than they should be. I then found a line in the RML output “Found [TRACE_STOP] event indicating the end of the trace files” This causes RML to stop processing further data, oh. In my case I had stopped the trace to add some error events because the client was experiencing errors. How do I get RML to process all the other data I wondered. This lead me to the eventclasses in the trace...(read more)

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  • Casing of COM-Interop registered components

    - by Marko Apfel
    During a refactoring i realized that renaming of components, which will be registered for COM-Interop, must be done carefully. In my case i changed the casing of XyzToolbar to XyzToolBar. At the developing machine everything works fine. But after installing the modified stuff at the production machine, the toolbar was not visible. Using regasm with the new assemblies helped. So this was the hint: we use WIX to build the setup. And during setup-development the heat-tool extracted the needed registry-keys. And in these keys still was the old name XyzToolbar. Refreshing the names corrected the problem.

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  • "has no motion" warnings

    - by Adam R. Grey
    When I reimport my project's Library, I get lots of warnings such as State combat.Ghoul Attack has no motion but I have no idea why. In this specific case, I looked up Ghoul Attack. Here's the state in which it appears, in the only animator controller that includes anything called Ghoul Attack: State: m_ObjectHideFlags: 3 m_PrefabParentObject: {fileID: 0} m_PrefabInternal: {fileID: 0} m_Name: Ghoul Attack m_Speed: 1 m_CycleOffset: 0 m_Motions: - {fileID: 7400000, guid: 0db269712a91fd641b6dd5e0e4c6d507, type: 3} - {fileID: 0} m_ParentStateMachine: {fileID: 110708233} m_Position: {x: 492, y: 132, z: 0} m_IKOnFeet: 1 m_Mirror: 0 m_Tag: I thought perhaps that second one - {fileID: 0} was throwing up the warning incorrectly, so I removed it. There was no effect, I still get warnings about Ghoul Attack. So given that the only state I know of with that name does in fact have motion, what is this warning actually trying to tell me?

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  • How can programming ability be used to help people in poverty?

    - by Matthew
    As a student studying Computer Science in college, I often hear from friends working on various humanitarian projects, and I want to do something myself. But it seems that programmers don't have as many obvious avenues to help out as, say, doctors or teachers. What are some ways in which programmers can put their talent to use for people in poverty. Disclaimer: I am not saying that programmers have some obligation to do this, merely that I want to. I apologize if this question is too subjective for this site--I am marking it community wiki just in case (edit: I can't figure out how to mark this as community wiki. Can someone help me out?).

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  • Computacenter first partner to offer Oracle Exadata proof-of-concept environment for real-world test

    - by kimberly.billings
    Computacenter (http://www.computacenter.com/), Europe's leading independent provider of IT infrastructure services, recently announced that it is the first partner to offer an Oracle Exadata 'proof-of concept' environment for real-world testing. This new center, combined with Computacenter's extensive database storage skills, will enable organisations to accurately test Oracle Exadata with their own workloads, clearly demonstrating the case for migration. For more information, read the press release. Are you planning to migrate to Oracle Exadata? Tell us about it! var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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  • How to control an Ubuntu PC from another Ubuntu PC over Internet?

    - by Naveen
    There are two Ubuntu PCs called A and B. A and B are connected to the Internet using two separated Internet connections. (In my case, two mobile broadband connections ppp0 x2 ) Each connection has a unique & static public IP address. What I need is to control A computer's cursor, using B computer's mouse, over the Internet. In both computers, I have allowed other users to control my computer in Desktop Sharing preferences, as below: When I try to connect to A from the B using Remmina Remote Desktop Client, it refuses to connect after trying for a while. These are my settings: I expect this to be done from an available open source software, not from TeamViewer. I found this guide harder to understand. Please provide me clear instructions... Thanks for having a look!

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