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• Nullmailer in /var/log/syslog

  - by Fluffy

  I'm getting a lot of messages like these: me@home:/etc/snmp$ tail /var/log/syslog Jun 12 17:52:15 home nullmailer[1238]: Starting delivery: protocol: smtp host: mail. file: 1339502401.24665 Jun 12 17:52:15 home nullmailer[7086]: smtp: Failed: Connect failed Jun 12 17:52:15 home nullmailer[1238]: Sending failed: Host not found Jun 12 17:52:15 home nullmailer[1238]: Starting delivery: protocol: smtp host: mail. file: 1339174804.27614 Jun 12 17:52:15 home nullmailer[7087]: smtp: Failed: Connect failed Jun 12 17:52:15 home nullmailer[1238]: Sending failed: Host not found Jun 12 17:52:15 home nullmailer[1238]: Starting delivery: protocol: smtp host: mail. file: 1339324201.21737 Jun 12 17:52:15 home nullmailer[7088]: smtp: Failed: Connect failed Jun 12 17:52:15 home nullmailer[1238]: Sending failed: Host not found Jun 12 17:52:15 home nullmailer[1238]: Delivery complete, 331 message(s) remain. The problem is, I don't recall sending anything. How do I find out which software is sending these messages? How do I read them?

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• Great resources for educators

  - by T

  Originally posted on: http://geekswithblogs.net/tburger/archive/2014/05/20/great-resources-for-educators.aspxcurrent as of 5/20/14.  In no particular order.  Virtual Academy Free Microsoft Training Delivered by Experts Dream Spark Library of software and resources for students Azure in Education Microsoft provides grants for educators wanting to use Azure in their curricula. Woot Studio Tower Game Starter Kit and Platformer Starter Kit Nokia DVLUP Nokia DVLUP.  Have fun, earn rewards, build new ideas. Faculty Connection Faculty Resources and community Microsoft IT Academy academic institutions and their educators, students and staff get digital curriculum and certifications for fundamental technology skills Biz Spark not really for the educators but in continuing education can be  of interest to the students

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• Ubuntu 13.10 gets stuck on boot

  - by Robert frost

  I have updated (via the Software Updater) Ubuntu 13.04 to Ubuntu 13.10. After it had finished the installation, the system required a reboot. When I reboot and load Ubuntu it will get stuck on the logo. I managed to boot into the recovery (both console and graphics mode) but I can't figure out how to repair it. I have tried a sudo update-grub, but nothing different happened. I have also tried sudo apt-get install gnome, but the same result... I am using a dual-boot Win7 + Ubuntu.

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• How to create a temporary staging server on my home machine [closed]

  - by Homunculus Reticulli

  Possible Duplicate: What things required to host a website at home I want to create a temporary staging server which can be accessed (i.e. via browser) by other people that I want to show the website to (a business partner who is half way accross the world). IIRC, my ISP issues dynamic addresses so I may need to register with a (DNS server?) - not sure about this. Although I'm a software developer, I don't know much about the hardware side of things - and would appreciate help in getting me setup so I can show a website to a business partner. Here are the relevant details: Web server: Apache 2.2 OS: Ubuntu 10.0.4 LTS modem/router: ZyXel P-600

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• Can I share files via SAMBA while in root?

  - by user212501

  I have a couple of things going on here. I am currently running UBUNTU 10.04 in root via "STARTX" command. The reason being is that I keep getting the "LOW GRAPHICS ERROR CODE" and I cant not start up normally. Now I have researched & researched the error. I mean I got my SUDO on........, o.k. I'm really done trying to fix this error. I just wanna re-install. (funny thing. This startx command is how Im using the laptop now, so I know that it is a software issue) So here's my dilemma that is inside another dilemma. I have about 30gigs of info that I need to get off the laptop before I can re-install. Any thoughts What say you? LOTR LOL

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• Java on Ubuntu server 12.04?

  - by Sean Dunwoody

  I'm a little confused at the moment. My back story in short, is that I'm trying to set up a Minecraft server on an Ubuntu server I've recently set up, obviously to do this I needed Java, but after googling for a short while I wasn't entirely sure whether it is possible (or legal?) to do so in Ubuntu 12.04 due to licensing type issues - so I installed open JDK instead which appears not to work properly with the Minecraft server software (I half expected this) I'm now considering uninstalling open JDK and instead trying to get proper Java on there instead, my question is, is this possible? Is it Legal? And if so how do I go about doing it? Because I'm finding it very difficult to find any instructions on how to do so for 12.04 . . .

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• Magento not responding to payment gateway notifications fast enough or at all?

  - by robgt

  Some of our customers are getting to the confirmation of payment step in purchasing from our Magento store, and then they are getting a timeout error, where the SagePay payment gateway is trying to contact our server to tell it that a payment was successful (or not…) but it cannot contact our server, or cannot get a response from our server in a timely manner, and then the payment/order is being cancelled. I've raised this question to my hosting company, but all they told me was: "This is down to the way the software is configured on your server" This is currently a Magento 1.4.0.1 standard installation as far as payment gateways are concerned. What on earth could this statement mean? Is there some configuration that I need to do to make Magento listen to these requests and respond properly?

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• hPalm and a web-centric strategy

  The acquisition battle has come and gone, and it’s HP that’s become Palm’s new owner. In general this news has been greeted withgladcries,despite (or maybe because) it was so unexpected. In general everybody assumes that the marriage of Palm software and HP hardware will be a good one, and that HP will also release a webOS-based tablet device.However, there’s an interesting dissenting opinion on VisionMobile (a blog I highly recommend, by the way). Guest author Michael Valukenko sees few synergies...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• What is the best freeware app for Windows to mount EXT4 partitions (from a GPT 4TB Disk) as RW, safely without corrupting the EXT4 partition?

  - by Bran

  My Computer is set up as Dualboot Windows and Ubuntu. I have 1 OS drive, and 1 hard drive with a /backup partition (which has all my family photos and data) and it is ext4. Also note... it is EXT4, and it is GPT, and it is 4TB size. Anyway, Windows can not mount the /backup ext4 partition. What software/freeware do you reccomend for Windows? Preferrably looking for someone with experiance using it for a long time and not have problems with EXT4 partition which is a 4TB, GPT Disk. Thank you for your advice and guidance! Always, appreciate everyones help at askubuntu, you guys are the best. Any ideas?

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• I need advice on creating animal 3D walk cycles in XNA

  - by Zetar

  I want to purchase a number of 3D models from TurboSquid and animate them in an XNA game. I wrote a lot of games from 1985-1999 and have recently become involved with XNA. Now I would like to port one of my old games to the XBOX. I do have a background in 3D animation; but that was years ago. What is the current method for animating a walk cycle with a 3D model and using it inside XNA? Is there a book, software or a tutorial that you can recommend? Thanks in advance and sorry for such a broad and currently naive question.

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• Most Useful New Technology?

  - by Craig Ferguson

  I'm looking to take a sort of sabbatical, and I'd love to use it to learn a new technology. My question is this: What's the most useful "new" technology for a software engineer to use? Node.js, iOS programming, Android, something else? I'd prefer to stay away from anything too new or experimental, since those are, in my experience, rarely actually used in professional production environments (for better or worse). Does anyone happen to have stats on how many jobs there are for each new technology or have anecdotes about how fun each one is? I've been using python/Django, so that's out, and it's similar to Ruby so i don't think learning Ruby would be that useful to expanding my skills. Anyone have any other ideas?

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• I am an Indian, is it possible for me to get a job in Europe ?

  - by Yuva

  Hi, I have just started my career as software Engineer with a reputable company in India. I'm working in SAP ABAP. Chances to grow higher in this company are good but they are slow. I would like to work in European countries where SAP is popular and the options for career growth and pay are better. Is it possible for me to get a job in Europe after being 3 years experienced in ABAP? If so, what are all the things that I should do to get one satisfactory Job?

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• Nonresponsive UI starting a few days ago; no obvious resource shortage

  - by user3679

  The mouse stops and moves jerkily, and sometimes won't register clicks. Gnome stopped responding a few hours ago--everything looks fine, but no clicks on menu items do anything. I've been running Ubuntu 10.10 since it was released; 8GB RAM and a 60GB SSD. I haven't added any hardware or software recently except the Ubuntu recommended updates; the last thing was the bitcoin client a week ago. top shows 3 CPU cores free and over a gig of ram left. I don't know what else to look at.

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• Should I concentrate on writing code for money or my studies while in college?

  - by A-Cube

  I am college student of Software Engineering. My worries are that while I am concentrating on my studies, my peers are getting down with the code (e.g. HTML, ASP, PHP, etc) to earn money. Should I be worried that I am not doing coding like them? I was asked to be Microsoft Student Partner but I refused because the person what was doing before me told it was just arranging events. Nothing as such like getting with Microsoft and coding. Should I be writing code and earning money as I still am in 4th semester? I only have C++ as learning language in college. Will my job count on these projects that I do, or should I concentrate on studies for now to get maximum benefit?

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• Topics for covering in-depth programming knowledge

  - by black_belt

  I pursued my bachelors' degree in business administration, but my interest in Information Technology led me to acquire some knowledge of PHP programming and MySQL database. I find programming so interesting that I haven't applied for any job since my graduation. Currently I am staying home and just trying to acquire in-depth knowledge of PHP programming. So far I have developed couple of websites and web applications including Inventory+ Point of Sale Software and an Accounting system for small organizations. I aim to have knowledge that a Computer Science graduate should have, and for that I want to read books but I have no idea where to start from. Could you please suggest me some books and topics that I should study on? Thanks a lot :)

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• London Nov-8: Desktop Virtualisation Seminar

  - by mprove

  >> Simplify Application and Data Access with Oracle Desktop VirtualisationMany companies claim they’ll handle your application access needs, and yet only Oracle can provide you with every component needed for secure and reliable access to Oracle Applications and other enterprise software from a variety of devices. This means you can design your deployment knowing that all of the pieces work together, from applications and virtualisation to servers and storage systems.Join us to learn how Oracle desktop virtualisation helps you get the most from your valuable IT resources. Topics we’ll cover and demonstrate in this productive half-day event include: How to provide secure access to applications and data from nearly anywhere on a wide range of devices Use cases for desktop virtualisation How desktop virtualisation can support a wider business transformation agenda Reasons to embrace employees using their own devices for work-related activities How virtualisation can extend the life of your PCs and other devices How desktop virtualisation can decrease your carbon footprint and IT costs << Register here for the free event

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• Where do the responsibilities of build tools end and those of CI tools start?

  - by BrandonV

  In the delivery of software, and within the sense of the deployment pipeline, where do the responsibilities of build tools, like Maven, end, and the responsibilities of CI start? As a rough example of a problem that arises; should build tools have any responsibility to the configuration and execution of acceptance tests when they are further down the pipeline than actually building the artifact? I'd like an answer that addresses in the sense of deployment lifecycle phases rather than in specifics, like my example. Although examples would help bolster the answer.

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• If I am developing a hosted payments page, what should the infrastructure look like?

  - by marcamillion

  If I am not storing credit card info, do I have to be concerned with PCI-compliance? I will be using a payment processor with a bank in my country. Literally just taking the credit card info and passing it to the gateway and processor. I would love to get an idea of the various technologies I might need to consider from an software architectural point of view. What are the best practices in terms of accepting credit cards and reducing fraud risk on my end? I will be creating the app in Rails.

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• AutoVue for Agile Sessions at the Oracle Value Chain Summit 2013

  - by Pam Petropoulos

  At the upcoming Oracle Value Chain Summit, which takes place February 4 - 6, 2013 in San Francisco, CA, AutoVue Enterprise Visualization solutions will be covered in a variety of sessions within the Agile PLM solution area. Attend the following sessions during the Product Deep Dives & Demos Track, and discover the latest AutoVue for Agile capabilities, including how to streamline business processes, such as change management by creating ECRs directly from within CAD designs. Visual Decision Making to Optimize New Product Development and Introduction Date: Tuesday, February 5 Time: 12:45 pm to 1:30 pm Seeing the Forest: Next Generation Visualization Date: Wednesday, February 6 Time: 3:15 pm to 4:00 pm Next-Generation CAD Data Management: MCAD, ECAD, and Software Configuration Management Date: Wednesday, February 6 Time: 11:15 am to 12:00 pm Keep an eye on this blog for forthcoming details about each of these sessions. Don’t miss this opportunity to mingle with other AutoVue for Agile customers and meet one on one with the AutoVue product management and development team. Register now for the early bird rate of $195 and secure your spot at the Summit. Click here to register and learn more.

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• Google Chrome won't install via IE9/Windows7

  - by purir

  Using IE9, I've tried installing Google Chrome on Windows 7 from this url http://www.google.com/chrome/eula.html?hl=en-GB&platform=win But get the following error (apologies for uncouthly dumping this nonsense...) Any ideas dearly appreciated! PLATFORM VERSION INFO Windows : 6.1.7601.65536 (Win32NT) Common Language Runtime : 4.0.30319.235 System.Deployment.dll : 4.0.30319.1 (RTMRel.030319-0100) clr.dll : 4.0.30319.235 (RTMGDR.030319-2300) dfdll.dll : 4.0.30319.1 (RTMRel.030319-0100) dfshim.dll : 4.0.31106.0 (Main.031106-0000) SOURCES Deployment url : _http://dl.google.com/update2/1.3.21.57/GoogleInstaller_en-GB.application?appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B26C55C3A-B26A-0484-FEDD-78443D269DA1%7D%26lang%3Den-GB%26browser%3D2%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dfalse%26installdataindex%3Ddefaultbrowser ERROR SUMMARY Below is a summary of the errors, details of these errors are listed later in the log. * Activation of _http://dl.google.com/update2/1.3.21.57/GoogleInstaller_en-GB.application?appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B26C55C3A-B26A-0484-FEDD-78443D269DA1%7D%26lang%3Den-GB%26browser%3D2%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dfalse%26installdataindex%3Ddefaultbrowser resulted in exception. Following failure messages were detected: + The system cannot find the file specified. (Exception from HRESULT: 0x80070002) COMPONENT STORE TRANSACTION FAILURE SUMMARY No transaction error was detected. WARNINGS There were no warnings during this operation. OPERATION PROGRESS STATUS * [25/06/2011 11:41:04] : Activation of _http://dl.google.com/update2/1.3.21.57/GoogleInstaller_en-GB.application?appguid%3D%7B8A69D345-D564-463C-AFF1-A69D9E530F96%7D%26iid%3D%7B26C55C3A-B26A-0484-FEDD-78443D269DA1%7D%26lang%3Den-GB%26browser%3D2%26usagestats%3D0%26appname%3DGoogle%2520Chrome%26needsadmin%3Dfalse%26installdataindex%3Ddefaultbrowser has started. ERROR DETAILS Following errors were detected during this operation. * [25/06/2011 11:41:04] System.IO.FileNotFoundException - The system cannot find the file specified. (Exception from HRESULT: 0x80070002) - Source: System.Deployment - Stack trace: at System.Deployment.Internal.Isolation.IsolationInterop.GetUserStore(UInt32 Flags, IntPtr hToken, Guid& riid) at System.Deployment.Application.ComponentStore..ctor(ComponentStoreType storeType, SubscriptionStore subStore) at System.Deployment.Application.SubscriptionStore..ctor(String deployPath, String tempPath, ComponentStoreType storeType) at System.Deployment.Application.SubscriptionStore.get_CurrentUser() at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl) at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state) COMPONENT STORE TRANSACTION DETAILS No transaction information is available.

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• IIS to parse php in a .dll files

  - by Agony

  The .dll files ain't the dynamic link library. That's what the client side software calls for (cannot change). Its essentially a php script that should run and return specific values. However currently it simply downloads it and that results in a failure. That's what it results in on a Apache server: [Update] NewVersion=1 UpdateFileNumber=1 UpdateFile1=update1/LPServerInfo.dat ServerNumber=1 Server1=http://88.159.116.217/ here it is on IIS: 198.24.133.74:8080/update.dll?0 renaming it to php works fine for testing - it runs and returns values. I edited the MIME and set .dll to application/x-httpd-php but that doesn't seem to work in IIS. Any solutions?

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• Can't read CDs, can't create USB... how do I install Ubuntu?

  - by user68080

  Hello everyone and thank you in advance for your time. I have troubles with the latest Ubuntu distribution: since I upgraded to 12.04 Ubuntu has started having troubles (internal errors, packages that crash repeatedly, I can't install new packages, Ubuntu Software Center crashes, Java apps that worked stopped working and display weird mistakes, files were corrupted... a mess). I ultimately decided to format everything and install 12.04 from scratch. I made a backup and everything, but now I have troubles installing ubuntu 12.04. Specifically, a CD I burned with Brasero that works on another PC is not read by my laptop (not at boot phase, nor inside Ubuntu), and when I try to create a USB with Ubuntu (following the instructions I found on the ubuntu site) Startup Disk Creator stops at 22% saying that "the codes do not match". Any idea on what to do next? No, I can't buy a new PC.

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• Deactivated wifi drivers, now they won't activate again on a Dell Mini 10v?

  - by UbuntuFan

  I have ubuntu 13.04. In the software and update menu, under additional drivers, Were it says "Broadcom Corporation; BCM4312 802.11b/gLP.PHY" the box labbeled "do not use it ticked" and when i try tick the one that says "Using Broadcom 802.11 Linux STA Wireless drivers....." it wont let me apply changes, it starts doing it then stops and re-ticks the do not use box. Because of this I can not use the wiress driver. Is there another way i can fix this. Or maby restore ubuntu to previous date. I accidentally ticked the do not use box this morning and now can't undo it. I have restarted several times to try apply changes and still no luck

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• Secure Web Apps from SQL Injection in ASP.Net

  In the first part of this two-part series you learned how SQL injection works in ASP.NET 3.5 using a MS SQL database. You were also shown with a real web application which was not secure against SQL injection attacks how these attacks can be used by the hacker to delete sensitive information from your website such as database tables. In this part you will learn how to start securing your web applications so they will not be vulnerable to these kinds of exploits. A complete corrected example of the insecure web application will be provided at the end of this tutorial.... ALM Software Solution ? Try it live! Requirements Management, Project Planning, Implementation Tracking & QA Testing.

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• How to program a cutting tool for 3D model in game

  - by Jesse S

  I'm looking for a resource to figure out how to program a function to cut a 3d model in game. Example: Enemy/NPC is sliced into 2 pieces with a sword. His body is not hollow, you can see bloody texture where normally a 'polygon hole' would be. The first step is to actually 'cut/slice' the model, then add in polygons to fill the hole in the model. I know this can be done in 3D modelling software, but I'm not sure how to go about doing this in a game, code-wise. I do not wish to use 'pre cut-up" models, the code will determine where the cut is. Any pointers in the right direction would be greatly appreciated.

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