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• kubuntu muon package manager stop working

  - by aseed

  i have kubuntu today after updating the muon package manager stuck at 64% so i closes it. and after that when i try to update or reinstall or install software the manger stuck. so how can i reinstall the muon package manger from terminal?? i try sudo apt-get install muon and i get this messege Reading package lists... Done Building dependency tree Reading state information... Done muon is already the newest version. You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libopencv-dev : Depends: libopencv-core-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-ml-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-imgproc-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-video-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-objdetect-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-gpu-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-highgui-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-calib3d-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-flann-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-features2d-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-legacy-dev (= 2.3.1-4ppa1) but it is not going to be installed Depends: libopencv-contrib-dev (= 2.3.1-4ppa1) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). so what to do, i need to reinstall it because it not working ~$ sudo dpkg --configure -a dpkg: dependency problems prevent configuration of libopencv-dev: libopencv-dev depends on libopencv-core-dev (= 2.3.1-4ppa1); however: Package libopencv-core-dev is not installed. libopencv-dev depends on libopencv-ml-dev (= 2.3.1-4ppa1); however: Package libopencv-ml-dev is not installed. libopencv-dev depends on libopencv-imgproc-dev (= 2.3.1-4ppa1); however: Package libopencv-imgproc-dev is not installed. libopencv-dev depends on libopencv-video-dev (= 2.3.1-4ppa1); however: Package libopencv-video-dev is not installed. libopencv-dev depends on libopencv-objdetect-dev (= 2.3.1-4ppa1); however: Package libopencv-objdetect-dev is not installed. libopencv-dev depends on libopencv-gpu-dev (= 2.3.1-4ppa1); however: Package libopencv-gpu-dev is not installed. libopencv-dev depends on libopencv-highgui-dev (= 2.3.1-4ppa1); however: Package libopencv-highgui-dev is not installed. libopencv-dev depends on libopencv-calib3d-dev (= 2.3.1-4ppa1); however: Package libopencv-calib3d-dev is not installed. libopencv-dev depends on libopencv-flann-dev (= 2.3.1-4ppa1); however: Package libopencv-flann-dev is not installed. libopencv-dev depends on libopencv-features2d-dev (= 2.3.1-4ppa1); however: Package libopencv-features2d-dev is not installed. libopencv-dev depends on libopencv-legacy-dev (= 2.3.1-4ppa1); however: Package libopencv-legacy-dev is not installed. libopencv-dev depends on libopencv-contrib-dev (= 2.3.1-4ppa1); however: Package libopencv-contrib-dev is not installed. dpkg: error processing libopencv-dev (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: libopencv-dev sudo apt-get install -f sudo dpkg --configure -a and still same problem... and i think getting this problem because of updating kubuntu today

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• Iron Speed Designer 7.0 - the great gets greater!

  - by GGBlogger

  For Immediate Release Iron Speed, Inc. Kelly Fisher +1 (408) 228-3436 [email protected] http://www.ironspeed.com       Iron Speed Version 7.0 Generates SharePoint Applications New! Support for Microsoft SharePoint speeds application generation and deployment   San Jose, CA – June 8, 2010. Software development tools-maker Iron Speed, Inc. released Iron Speed Designer Version 7.0, the latest version of its popular Web 2.0 application generator. Iron Speed Designer generates rich, interactive database and reporting applications for .NET, Microsoft SharePoint and the Cloud.    In addition to .NET applications, Iron Speed Designer V7.0 generates database-driven SharePoint applications. The ability to quickly create database-driven applications for SharePoint eliminates a lot of work, helping IT departments generate productivity-enhancing applications in just a few hours.  Generated applications include integrated SharePoint application security and use SharePoint master pages.    “It’s virtually impossible to build database-driven application in SharePoint by hand. Iron Speed Designer V7.0 not only makes this possible, the tool makes it easy.” – Razi Mohiuddin, President, Iron Speed, Inc.     Integrated SharePoint application security Generated applications include integrated SharePoint application security. SharePoint sites and their groups are used to retrieve security roles. Iron Speed Designer validates the user against a Microsoft SharePoint server on your network by retrieving the logged in user’s credentials from the SharePoint Context.    “The Iron Speed Designer generated application integrates seamlessly with SharePoint security, removing the hassle of designing, testing and approving your own security layer.” -Michael Landi, Solutions Architect, Light Speed Solutions     SharePoint Solution Packages Iron Speed Designer V7.0 creates SharePoint Solution Packages (WSPs) for easy application deployment. Using the Deployment Wizard, a single application WSP is created and can be deployed to your SharePoint server.   “Iron Speed Designer is the first product on the market that allows easy and painless deployment of database-driven .NET web applications inside the SharePoint environment.” -Bryan Patrick, Developer, Pseudo Consulting     SharePoint master pages and themes In V7.0, generated applications use SharePoint master pages and contain the same content as other SharePoint pages. Generated applications use the current SharePoint color scheme and display standard SharePoint navigation controls on each page.   “Iron Speed Designer preserves the look and feel of the SharePoint environment in deployed database applications without additional hand-coding.” -Kirill Dmitriev, Software Developer, Iron Speed, Inc.     Iron Speed Designer Version 7.0 System Requirements Iron Speed Designer Version 7.0 runs on Microsoft Windows 7, Windows Vista, Windows XP, and Windows Server 2003 and 2008. It generates .NET Web applications for Microsoft SQL Server, Oracle, Microsoft Access and MySQL. These applications may be deployed on any machine running the .NET Framework. Iron Speed Designer supports Microsoft SharePoint 2007 and Windows SharePoint Services (WSS3). Find complete information about Iron Speed Designer Version 7.0 at www.ironspeed.com.     About Iron Speed, Inc. Iron Speed is the leader in enterprise-class application generation. Our software development tools generate database and reporting applications in significantly less time and cost than hand-coding. Our flagship product, Iron Speed Designer, is the fastest way to deliver applications for the Microsoft .NET and software-as-a-service cloud computing environments.   With products built on decades of experience in enterprise application development and large-scale e-commerce systems, Iron Speed products eliminate the need for developers to choose between "full featured" and "on schedule."   Founded in 1999, Iron Speed is well funded with a capital base of over $20M and strategic investors that include Arrow Electronics and Avnet, as well as executives from AMD, Excelan, Onsale, and Oracle. The company is based in San Jose, Calif., and is located online at www.ironspeed.com.

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• Detecting 404 errors after a new site design

  - by James Crowley

  We recently re-designed Developer Fusion and as part of that we needed to ensure that any external links were not broken in the process. In order to monitor this, we used the awesome LogParser tool. All you need to do is open up a command prompt, navigate to the directory with your web site's log files in, and run a query like this: "c:\program files (x86)\log parser 2.2\logparser" "SELECT top 500 cs-uri-stem,count(*) FROM u_ex*.log WHERE sc-status=404 GROUP BY cs-uri-stem order by count(*) desc" -rtp:-1 topMissingUrls.txt And you've got a text file with the top 500 requested URLs that are returning 404. Simple!

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• BizTalk 2009 - Architecture Decisions

  - by StuartBrierley

  In the first step towards implementing a BizTalk 2009 environment, from development through to live, I put forward a proposal that detailed the options available, as well as the costs and benefits associated with these options, to allow an informed discusion to take place with the business drivers and budget holders of the project.  This ultimately lead to a decision being made to implement an initial BizTalk Server 2009 environment using the Standard Edition of the product. It is my hope that in the long term, as projects require it and allow, we will be looking to implement my ideal recommendation of a multi-server enterprise level environment, but given the differences in cost and the likely initial work load for the environment this was not something that I could fully recommend at this time.  However, it must be noted that this decision was made in full awareness of the limits of the standard edition, and the business drivers of this project were made fully aware of the risks associated with running without the failover capabilities of the enterprise edition. When considering the creation of this new BizTalk Server 2009 environment, I have also recommended the creation of the following pre-production environments:   Usage Environment Development Development of solutions; Unit testing against technical specifications; Initial load testing; Testing of deployment packages;  Visual Studio; BizTalk; SQL; Client PCs/Laptops; Server environment similar to Live implementation; Test Testing of Solutions against business and technical requirements;  BizTalk; SQL; Server environment similar to Live implementation; Pseudo-Live As Live environment to allow testing against Live implementation; Acts as back-up hardware in case of failure of Live environment; BizTalk; SQL; Server environment identical to Live implementation; The creation of these differing environments allows for the separation of the various stages of the development cycle.  The development environment is for use when actively developing a solution, it is a potentially volatile environment whose state at any given time can not be guaranteed.  It allows developers to carry out initial tests in an environment that is similar to the live environment and also provides an area for the testing of deployment packages prior to any release to the test environment. The test environment is intended to be a semi-volatile environment that is similar to the live environment.  It will change periodically through the development of a solution (or solutions) but should be otherwise stable.  It allows for the continued testing of a solution against requirements without the worry that the environment is being actively changed by any ongoing development.  This separation of development and test is crucial in ensuring the quality and control of the tested solution. The pseudo-live environment should be considered to be an almost static environment.  It should mimic the live environment and can act as back up hardware in the case of live failure.  This environment acts as an area to allow for “as live” testing, where the performance and behaviour of the live solutions can be replicated.  There should be relatively few changes to this environment, with software releases limited to “release candidate” level releases prior to going live. Whereas the pseudo-live environment should always mimic the live environment, to save on costs the development and test servers could be implemented on lower specification hardware.  Consideration can also be given to the use of a virtual server environment to further reduce hardware costs in the development and test environments, indeed this virtual approach can also be extended to pseudo-live and live assuming the underlying technology is in place. Although there is no requirement for the development and test server environments to be identical to live, the overriding architecture implemented should be the same as in live and an understanding must be gained of the performance differences to be expected across the different environments.

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• How Do I Export Pages from Browser with Embedded Hyperlinks?

  - by Volomike

  Made a sad discovery today. I have Ubuntu 10.04 LTS. My client is in the ad business and she had a marketing competition task for me. She wanted me to visit websites of the competitors, and export the home pages as PDF. However, she wanted me to do so with embedded hyperlinks. As it turns out, Firefox (and even the latest Chrome) on Ubuntu 10.04 LTS do not embed hyperlinks in PDF web page exports. Sure, there are several Chrome and FF plugins that let you export as PDF, but what these do is connect to the URL remotely, generate the PDF remotely, and then force a download in your browser to download it from a remote location. That's not good for me, though, because some of these competitor pages require an initial login. That means that all I get back on the PDF printing from these FF or Chrome plugins is a login page. Is there a way to get around this problem, to fix the broken PDF printer on Ubuntu 10.04?

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• Experiments in Wackiness: Allowing percents, angle-brackets, and other naughty things in the ASP.NET

  - by The Official Microsoft IIS Site

  Just because you CAN do something doesn't mean you SHOULD. However, it's always nice to do something crazy so that you can better understand a system. Warning: There is no warranty implied here. I'm loading the gun and showing you where to point it. If you point it at your foot, that's your business. Safety mechanisms exist for a reason and if you're going to to use this tip to just "get an app to work" but you're not sure why it's broken and you're just...(read more)

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• Week in Geek: New Malware Steals Bitcoin Currency

  - by Asian Angel

  This week we learned how to easily change a dual-booting PC’s default OS, “extract audio from any video using VLC, sneak around paywalls, & delay Windows Live Mesh during boot”, shrink videos to fit an Android phone with VLC, fix damaged or broken audio cables, “decide between an ISO or TS folder, help Windows 7 remember folder locations, & convert books for the Kindle”, and more. Photo by Profound Whatever.How to Make and Install an Electric Outlet in a Cabinet or DeskHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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• Are CK Metrics still considered useful? Is there an open source tool to help?

  - by DeveloperDon

  Chidamber & Kemerer proposed several metrics for object oriented code. Among them, depth of inheritance tree, weighted number of methods, number of member functions, number of children, and coupling between objects. Using a base of code, they tried to correlated these metrics to the defect density and maintenance effort using covariant analysis. Are these metrics actionable in projects? Perhaps they can guide refactoring. For example weighted number of methods might show which God classes needed to be broken into more cohesive classes that address a single concern. Is there approach superseded by a better method, and is there a tool that can identify problem code, particularly in moderately large project being handed off to a new developer or team?

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• problem in installing mysqlworkbench 6

  - by pavan

  Ubuntu 13.04 - 32 bit (Reading database ... 216964 files and directories currently installed.) Unpacking mysql-workbench-community (from mysql-workbench-community-6.0.6-1ubu1304-i386.deb) ... dpkg: error processing mysql-workbench-community-6.0.6-1ubu1304-i386.deb (--install): trying to overwrite '/usr/share/mysql-workbench/model_view.glade', which is also in package mysql-workbench-data 5.2.40+dfsg-2ubuntu1 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf-2.index... Processing triggers for desktop-file-utils ... Processing triggers for gnome-menus ... Errors were encountered while processing: mysql-workbench-community-6.0.6-1ubu1304-i386.deb Please help..

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• BlueNES: A Bluetooth Connector for Classic NES Controllers

  - by Jason Fitzpatrick

  If you’re looking for a DIY way to hook up your classic Nintendo controllers for use in modern emulation programs, this hack allows you to use them without modifying the original casing or cables. Courtesy of Evan Dustin, we find this guide on hacking apart a broken NES unit (to get the basic parts like the port connectors) and then binding it all together with an Arduino board. Check out the video above to see it in action and then hit up the link below to check out the notes on the YouTube video for additional information including parts and code. BluesNES: Bluetooth NES Controller [via Hack A Day] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Problem with Numlock light and remapping keyboard

  - by ansidev

  I upgraded to Ubuntu 13.10. And there are two problem: Numlock is on. But after I press Ctrl+Space (hotkey for IBus, (default in 13.10 is Super+Space)), Numlock is off and I must press Numlock button twice to enable Numlock. About remapping keyboard, because my keyboard have some broken key, so I am using xmodmap to remap my keyboard (config file for xmodmap is $HOME/.xmodmap). But when I switch keyboard layout (I mentioned above), everything changed to default, and I must run xmodmap .xmodmap to remap keyboard again. When using Ubuntu 13.04, everything is good. How to solve my problems? UPDATE: 1. I am using two keyboard layout: English (US) and Unikey (from ibus-unikey package). 2. If I change key board layout using menu on Unity panel, no first problem.

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• Rendering of 2d water

  - by luke

  Suppose you have a nice way to move your 2D particles in order to simulate a fluid (like water). Any ideas on how to render it? Consider the fact that the game is a 2D game. The perspective is like this (the first image i have found): an example of 2d water. The water will be contained in boxes that can be broken in order to let it fall down and interact with other objects. The most simple way that comes to my mind is to use a small image for each particle. I am interested in hearing more ways of rendering water. Thank you.

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• Update errors on Xubuntu12.04

  - by Kris Everett

  I'm trying to install updates via the Update Manager, and I got this error: The Package system is broken Check if you are using third party repositories. if so disable them, since they are a common source of problems. Furthermore run the following command in a Terminal: apt-get install -f When I run apt-get install -f, I get: E: could not open lock file /var/lib/dpkg/lock - open (13: Permission Denied E: Unabvle to lock administration directory (/var/lib/dpkg/), are you root? What is wrong? How do I fix it? Why does this happen?

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• Partial upgrade error

  - by Dan

  this is an issue I have googled a lot and I have tried a lot of fixes, but non of them really worked. At some point (I can't remember when/how) my Update system sort of broke, and since then it is always complaining about "Not all updates can be installed, run a Partial Upgrade". If I click on Partial Upgrade, I get the following result But running apt-get install -f does not fix anything, and at the end I always get the following message Funny thing is that my apt-get system works perfect on Console. I can update my system through apt-get update, apt-get upgrade etc.. So.. how can I fix the graphic interface? I understand that my apt-get system is not broken, but somehow its GUI it is. Any thoughts about it? THANKS! P.D: I have already tried sudo dpkg --configure -a and sudo apt-get autoremove

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• HTML5 Boilerplate template for ASP.NET with Visual Studio 2010

  - by Harish Ranganathan

  This is the 5th post in the series of HTML5 for ASP.NET Developers  Support for HTML5 in Visual Studio 2010 has been quite good with Visual Studio Service Pack 1 However, HTML5 Boilerplate template has been one of the most popular HTML5 templates out in the internet.  Now, there is one for your favorite ASP.NET Webforms as well as ASP.NET MVC 3 Projects (even for ASP.NET MVC 2).  And its available in the most optimal place, i.e. NuGet. Lets see it in action.  Let us fire up Visual Studio 2010 and create a “File – New Project – ASP.NET Web Application” and leave the default name to create the project.  The default project template creates Site.Master, Default.aspx and the Account (membership) files. When you run the project without any changes, it shows up the default Master Page with the Home and About placeholder pages. Also, just to check the rendering on devices, lets try running the same page in Windows Phone 7 Emulator.  You can download the SDK from here Clearly, it looks bad on the emulator and if we were to publish the application as is, its going to be the same experience when users browse this app. Close the browser and then switch to Visual Studio.   Right click on the project and select “Manage NuGet Packages” The NuGet Package Manager dialog opens up.  Search for HTML5 Boilerplate.  The options for MVC & Web Forms show up.  Click on Install corresponding to the “Add HTML5 Boilerplate to Web Forms” options. It installs the template in a few seconds.   Once installed, you will be able to see a lot of additional Script files and also the all important HTML5Boilerplate.Master file.  This would be the replacement for the default Site.Master.  We need to change the Content Pages (Default.aspx & other pages) to point to this Master Page.  Example <%@ <% Master Language="C#" AutoEventWireup="true" CodeBehind="Html5Boilerplate.Master.cs" Inherits="WebApplication14.SiteMaster" %> would be the setting in the Default.aspx Page. You can do a Find & Replace for Site.Master to HTML5Boilerplate.Master for the whole solution so that it is changed in all the locations. With this, we have our Webforms application ready with HTML5 capabilities.  Needless to say, we need to wire up HTML5 mark up level code, canvas, etc., further to use the actual HTML5 features, but even without that, the page is now HTML5’ed.   One of the advantages of HTML5 (here HTML5 is collectively referred for CSS3, Javascript enhancements etc.,)  is the ability to render the pages better on mobile and hand held devices. So, now when we run the page from Visual Studio, the following is what we get.  Notice the site.icon automatically added.  The page otherwise looks similar to what it was earlier. Now, when we also check this page on the Windows Phone Emulator, here below is what, we get. As you can see, we definitely get a better experience now.  Of course, this is not the only HTML5 feature that we can use.  We need to wire up additional code for using Canvas, SVG and other HTML5 features.  But, definitely, this is a good starting point. You can also install the HTML5boilerplate Template for your ASP.NET MVC 3 and ASP.NET MVC 2 from the NuGet packages and get them ready for HTML5. Cheers !!!

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• Can't add repos after upgrading to 12.04 LTS

  - by joao

  I'm a complete Linux newbie. I've just upgraded from 10.04 to 12.04 LTS and all sorts of things have started to go wrong. One main problem is the fact that I can't add repos. Example: sudo add-apt-repository ppa:team-xbmc outputs: Traceback (most recent call last): File "/usr/bin/add-apt-repository", line 8, in <module> from softwareproperties.SoftwareProperties import SoftwareProperties File "/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py", line 53, in <module> from ppa import AddPPASigningKeyThread, expand_ppa_line File "/usr/lib/python2.7/dist-packages/softwareproperties/ppa.py", line 27, in <module> import pycurl ImportError: librtmp.so.0: cannot open shared object file: No such file or directory /etc/apt/sources.list # deb cdrom:[Ubuntu 10.04.1 LTS _Lucid Lynx_ - Release i386 (20100816.1)]/ lucid main restricted # deb cdrom:[Ubuntu 10.04.1 LTS _Lucid Lynx_ - Release i386 (20100816.1)]/ maverick main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://archive.ubuntu.com/ubuntu precise main restricted deb-src http://archive.ubuntu.com/ubuntu precise main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://archive.ubuntu.com/ubuntu precise-updates main restricted deb-src http://archive.ubuntu.com/ubuntu precise-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu precise universe deb-src http://archive.ubuntu.com/ubuntu precise universe deb http://archive.ubuntu.com/ubuntu precise-updates universe deb-src http://archive.ubuntu.com/ubuntu precise-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://archive.ubuntu.com/ubuntu precise multiverse deb-src http://archive.ubuntu.com/ubuntu precise multiverse deb http://archive.ubuntu.com/ubuntu precise-updates multiverse deb-src http://archive.ubuntu.com/ubuntu precise-updates multiverse ## Uncomment the following two lines to add software from the 'backports' ## repository. ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. # deb-src http://pt.archive.ubuntu.com/ubuntu/ lucid-backports main restricted universe multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu lucid partner # deb-src http://archive.canonical.com/ubuntu lucid partner deb http://archive.ubuntu.com/ubuntu precise-security main restricted deb-src http://archive.ubuntu.com/ubuntu precise-security main restricted deb http://archive.ubuntu.com/ubuntu precise-security universe deb-src http://archive.ubuntu.com/ubuntu precise-security universe deb http://archive.ubuntu.com/ubuntu precise-security multiverse deb-src http://archive.ubuntu.com/ubuntu precise-security multiverse # deb http://ppa.launchpad.net/stebbins/handbrake-snapshots/ubuntu precise main # disabled on upgrade to precise I have no clue what do do next. Should I just scrap this installation and start from scratch or is this fixable? librtmp.so.0 also shows up in error logs I've started to get from XBMC (I'm not sure if this is relevant info). Thanks in advance for any help you can give me!

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• How to make a disk image and restore from it later?

  - by Torben Gundtofte-Bruun

  I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, grub, unknowns) and I can't get it back to work. Especially for a newbie like me, it's easier (and much faster) to just reinstall the whole shebang than try to troubleshoot several layers of failed "fixing" attempts. Coming from Windows, I expect that there is some "disk image" utility that I can run to make a snapshot of my Linux install (and of the boot partition!!) before I meddle with stuff. Then, after I've foobar'ed my machine, I would somehow restore my machine back to that working snapshot. What's the Linux equivalent of Windows disk imagers like Acronis True Image or Norton Ghost? Note: I found a similar question here.

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• Problem when trying to update "Duplicate sources.list"

  - by Coca Akat

  I got this problem when trying to update using sudo apt-get update W: Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ saucy-backports/multiverse amd64 Packages (/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_saucy-backports_multiverse_binary-amd64_Packages) W: Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ saucy-backports/multiverse i386 Packages (/var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_saucy-backports_multiverse_binary-i386_Packages) W: You may want to run apt-get update to correct these problems This is my souces.list : # deb cdrom:[Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)]/ saucy main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://archive.ubuntu.com/ubuntu saucy main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://archive.ubuntu.com/ubuntu saucy-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu saucy universe deb http://archive.ubuntu.com/ubuntu saucy-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://archive.ubuntu.com/ubuntu saucy multiverse deb http://archive.ubuntu.com/ubuntu saucy-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu saucy-backports main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu saucy-security main restricted deb http://archive.ubuntu.com/ubuntu saucy-security universe deb http://archive.ubuntu.com/ubuntu saucy-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. # deb http://extras.ubuntu.com/ubuntu saucy main # deb-src http://extras.ubuntu.com/ubuntu saucy main # deb http://archive.canonical.com/ saucy partner # deb-src http://archive.canonical.com/ saucy partner # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. ## Major bug fix updates produced after the final release of the ## distribution. ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu saucy-backports multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software.

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• How to render 2D particles as fluid?

  - by luke

  Suppose you have a nice way to move your 2D particles in order to simulate a fluid (like water). Any ideas on how to render it? This is for a 2D game, where the perspective is from the side, like this. The water will be contained in boxes that can be broken in order to let it fall down and interact with other objects. The simplest way that comes to my mind is to use a small image for each particle. I am interested in hearing more ways of rendering water.

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• Could anyone help me get my NETGEAR WNA3100 (Broadcom BCM43231) wireless adapter to work?

  - by Matthew Carroll

  I have just moved back to Ubuntu from Windows 7 and a few months ago, I bought a NETGEAR WNA3100 wireless adapter because my old adapter had broken. I plugged in my adapter and it doesn't seem to work, I also used the windows 7 drivers for it and tried them on the program "Windows Wireless Drivers" and they don't seem to recognize the device. However I have heard you need XP drivers but I can't seem to find them on the internet nor find them on the CD. Could anyone help me get my wireless adapter to work? Any help is greatly appreciate. P.S I do have internet connection though I have to tether my phone to my computer and then connect my phone to my router.

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• Ubuntu One Bookmark sync not working.

  - by Rob

  Everything in Ubuntu One sync works great except bookmark sync. I tried the wiki answer that said to run: killall beam.smp beam rm ~/.config/desktop-couch/desktop-couchdb.ini dbus-send --session --dest=org.desktopcouch.CouchDB --print-reply --type=method_call / org.desktopcouch.CouchDB.getPort This is what my terminal came back with: robin@robin-MIDWAY:~$ killall beam.smp beam beam: no process found robin@robin-MIDWAY:~$ rm ~/.config/desktop-couch/desktop-couchdb.ini rm: cannot remove `/home/robin/.config/desktop-couch/desktop-couchdb.ini': No such file or directory robin@robin-MIDWAY:~$ dbus-send --session --dest=org.desktopcouch.CouchDB --print-reply --type=method_call / org.desktopcouch.CouchDB.getPort Error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. robin@robin-MIDWAY:~$ I'm a computer "newbie" so it's possible I'm doing something wrong, are there any tutorials out there on how to use the CouchDB? I have Bindwood installed.

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• IPgallery banks on Solaris SPARC

  - by Frederic Pariente

  IPgallery is a global supplier of converged legacy and Next Generation Networks (NGN) products and solutions, including: core network components and cloud-based Value Added Services (VAS) for voice, video and data sessions. IPgallery enables network operators and service providers to offer advanced converged voice, chat, video/content services and rich unified social communications in a combined legacy (fixed/mobile), Over-the-Top (OTT) and Social Community (SC) environments for home and business customers. Technically speaking, this offer is a scalable and robust telco solution enabling operators to offer new services while controlling operating expenses (OPEX). In its solutions, IPgallery leverages the following Oracle components: Oracle Solaris, Netra T4 and SPARC T4 in order to provide a competitive and scalable solution without the price tag often associated with high-end systems. Oracle Solaris Binary Application Guarantee A unique feature of Oracle Solaris is the guaranteed binary compatibility between releases of the Solaris OS. That means, if a binary application runs on Solaris 2.6 or later, it will run on the latest release of Oracle Solaris.  IPgallery developed their application on Solaris 9 and Solaris 10 then runs it on Solaris 11, without any code modification or rebuild. The Solaris Binary Application Guarantee helps IPgallery protect their long-term investment in the development, training and maintenance of their applications. Oracle Solaris Image Packaging System (IPS) IPS is a new repository-based package management system that comes with Oracle Solaris 11. It provides a framework for complete software life-cycle management such as installation, upgrade and removal of software packages. IPgallery leverages this new packaging system in order to speed up and simplify software installation for the R&D and production environments. Notably, they use IPS to deliver Solaris Studio 12.3 packages as part of the rapid installation process of R&D environments, and during the production software deployment phase, they ensure software package integrity using the built-in verification feature. Solaris IPS thus improves IPgallery's time-to-market with a faster, more reliable software installation and deployment in production environments. Extreme Network Performance IPgallery saw a huge improvement in application performance both in CPU and I/O, when running on SPARC T4 architecture in compared to UltraSPARC T2 servers.  The same application (with the same activation environment) running on T2 consumes 40%-50% CPU, while it consumes only 10% of the CPU on T4. The testing environment comprised of: Softswitch (Call management), TappS (Telecom Application Server) and Billing Server running on same machine and initiating various services in capacity of 1000 CAPS (Call Attempts Per Second). In addition, tests showed a huge improvement in the performance of the TCP/IP stack, which reduces network layer processing and in the end Call Attempts latency. Finally, there is a huge improvement within the file system and disk I/O operations; they ran all tests with maximum logging capability and it didn't influence any benchmark values. "Due to the huge improvements in performance and capacity using the T4-1 architecture, IPgallery has engineered the solution with less hardware.  This means instead of deploying the solution on six T2-based machines, we will deploy on 2 redundant machines while utilizing Oracle Solaris Zones and Oracle VM for higher availability and virtualization" Shimon Lichter, VP R&D, IPgallery In conclusion, using the unique combination of Oracle Solaris and SPARC technologies, IPgallery is able to offer solutions with much lower TCO, while providing a higher level of service capacity, scalability and resiliency. This low-OPEX solution enables the operator, the end-customer, to deliver a high quality service while maintaining high profitability.

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• How to set which application is launched by xdg-open?

  - by Dima

  I have run update-alternatives as well as gnome preffered apps selection thing. And all point to have chromium browser as default. Yet when I run xdg-open http://askubuntu.com firefox is launched! Similarly emacs and bzr also launch stuff in firefox instead of chromium. Are there any additional settings which affect xdg-open functionality? Something is definatly broken: UPDATE I have purged firefox: update-alternatives - uses chromium browser sensible-browser - opens chromium browser xdg-open & gnome-open - opens using google-chrome which kindly tells me "it's not default browser" !!!!

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• Version Control & Build Systems free Headspring on 5/18

  Headspring is putting on another free workshop at the Austin Microsoft office.  This one will be led by Senior Consultant, Eric Anderson.  Here are the details: Headspring Presents: Version Control and Build Systems for Growing Teams a workshop by Eric Anderson on: Does your team run into frequent conflicts with source control? Has your build system become a broken window with little hope of repair? Do you struggle to deploy minor changes and bug fixes while keeping the system stable?...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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• System went to sleep while running do-release-upgrade

  - by Sebi

  I am trying to upgrade from Ubuntu 12.04 to 14.04 on a laptop. I have run sudo do-release-upgrade During the upgrade process the laptop went into sleep/locked screen mode. I have rebooted and noticed that dependencies are broken. Running: lsb_release -a shows that the version has been upgraded to 14.04. However, the upgrade process did not finish(there was no output, I had to restart the workstation as the screen was blinking continuously). Now, following this question I have run sudo apt-get -u dist-upgrade and am now waiting for the process to finish.

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