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  • Dom U Installation on Ubuntu 11.10

    - by sridutt
    I am trying to add a DomU Operating system on Ubuntu 11.10. I have successfully installed Xen. Verified with xm info virsh-version which returns: Compiled against library: libvir 0.9.2 Using library: libvir 0.9.2 Using API: Xen 3.0.1 Running hypervisor: Xen 4.1. Now when I tried to install Dom0 it said: unable to connect to 'localhost:8000': , in VMM. So, I followed this bug link. I could now start adding DomU. When adding DomU, in last stage, it gives the following error: Unable to complete install: 'POST operation failed: xend_post: error from xen daemon: (xend.err "Error creating domain: device model '/usr/lib/xen/bin/qemu-dm' not found")' Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 44, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/create.py", line 1899, in do_install guest.start_install(False, meter=meter) File "/usr/lib/pymodules/python2.7/virtinst/Guest.py", line 1223, in start_install noboot) File "/usr/lib/pymodules/python2.7/virtinst/Guest.py", line 1291, in _create_guest dom = self.conn.createLinux(start_xml or final_xml, 0) File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1686, in createLinux if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self) libvirtError: POST operation failed: xend_post: error from xen daemon: (xend.err "Error creating domain: device model '/usr/lib/xen/bin/qemu-dm' not found") I tried following this bug link that said, the bug is solved in the below package. When I run ./configure in this, I am getting an error: checking for LIBXML... no checking libxml2 xml2-config >= 2.6.0 ... configure: error: Could not find libxml2 anywhere (see config.log for details). What is the problem?

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  • ATI HD5450 w/ Ubuntu 14?

    - by Oliwb
    So, I'm running Ubuntu 12.04 right now. Last night I realised that I'm way behind as we're up to 14! Decided to run the updater and figured I'd take the path of least resistance (but lengthy choice) of going 12.04 - 12.10 - 13.xx - 14.xx. So I download the first packet and then get an error message about my graphics card perhaps not working in 12.10. Now part of the reason I was looking to upgrade is because I get (and have always had) this strange occasional flickering - now that I have two screens it's just on the second monitor.....oddly this is not the same port that was giving issues before). The graphics card is an ATI Radeon HD5450 and I have the Catalyst (I think it's 13 or 14) driver installed - last night. It could be that the graphics card has never worked properly...I bought the PC new and with an "upgraded" video card and it's always suffered with this flicker. I just figured that the drivers weren't right or something. So I have 3 questions: 1) is my video card broken or is the driver letting it down and causing the flicker? 2) will it be able to handle the upgrade to 14 via 13? Or should I cut my losses and get something newer? 3) if I should get something newer....what should I get ( Thanks in advance....

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  • Will 3D games run in a VirtualBox4-hosted Windows system under Ubuntu with Intel GMA X4500HD card?

    - by Ivan
    I've just got a laptop with Intel GMA X4500HD card (which is said to be DirectX10-compliant, while my previous laptop had Intel 82852/855GM and no chance to play modern 3D games at all). It would be nice if I could play some games (like HalfLife 2, StarCraft 2, Fallout 3) from time to time (while I am ok using lo-fi settings and having low performance) but as I strongly prefer Ubuntu environment and don't need Windows usually I'd like to install Windows inside VirtualBox instead of using a dedicated partition and dual-boot. So the question is if VirtualBox can use 3D acceleration of Intel GMA X4500HD if run on Ubuntu.

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  • Need your opinion: which domain should I use for the blog?

    Reader new to my blog might have wondered why blog lives in a .NZ domain: to make a long story short is because when I started my blog I was soo excited about my relocation to New Zealand that I registered a .NZ domain. Then I came back to Italy, and started to work in Milano. Last autumn I had to chance to go back to New Zealand again, but at the same time the offer to work for an European Institution arrived. And then my .net.nz domain didn't make sense any more. And because it seems like I've...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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  • Mouse on screen lags

    - by Jeggy
    I just made a fresh install of Ubuntu 13.10 64bit on my Dell XPS 15 laptop. My mouse lags/glitches/blinks each time something is loading in Ubuntu. when a youtube video is playing in the background it blinks all the time, and it also blinks for each character that I write, it's very annoying. It also blinks for each time the Blinking Cursor in a text field blinks. When I have just booted up my laptop it can be away for a second or more (than after it comes back it goes away for a second or more and this happends for awhile), so I have no chance of seeing the mouse on my screen.

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  • Two Sessions All Humans Should Watch Right Now

    - by Geertjan
    At conferences, I definitely prefer technical sessions over any other kind of session. That's partly because I want to walk away from a conference with new libraries and APIs to play with, such as the AT&T ARO tool that I've been blogging about over the past few days thanks to being introduced to it in a great session by Doug Sillars at Oredev, in Malmo, Sweden. I only say the above to set the scene. And the scene is that I avoid sessions that deal with "agile topics" or whatever that means. I mean those sessions where you're meant to reflect on some way you're developing nothing in particular and then come away with new ways of doing that. I avoid those. Not because I don't necessarily like those or think I have nothing to learn, both of which I don't (or do, depending on how you read double negatives), but because there are so many sessions to attend that I focus on those that actually give me more technical knowledge that I can do something with immediately. Having said all that, here's two absolutely wonderful sessions (and probably many more but I really liked these two) presented at Oredev over the last few days, one by JB Rainsberger and the other by Woody Zuill, both very nice people who I met for the first time during the last few days, and who aren't paying me to promote them, and who're still struggling to figure out how to say my name. Whether you're a developer or manager or whatever you are, take this on trust, and simply watch these screencasts, hey, at most you're going to lose two hours of your life that you would've spent doing something else: Speaking for myself, I'm going to be watching both these presentations again several times in my life, that's for sure.

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  • Oracle RightNow Cloud Service Roadmap - Live Webcast, Nov 13, 6pm CET

    - by Richard Lefebvre
    Did you miss out on Oracle OpenWorld this year? Then make sure you don’t miss out on this Webinar.  The Oracle RightNow development team shares the latest innovations and integrations, including future roadmap, for the Oracle RightNow Service Cloud platform.  Find out how these innovations will help you deliver exceptional customer service to your customers.Join our live Webcast on Wednesday, November 13, 2013, 09:00 a.m. PT / 12:00 p.m. ET (18:00 p.m. CET) to get up to speed with the latest updates and future capabilities, and learn how you can: Provide a more engaging Web experience Increase the effectiveness of assisted service Deliver the right answer at the right time - all the time Agenda Topics How RightNow fits into Oracle's vision for Oracle Service The latest updates to the Oracle RightNow Cloud Service platform Oracle's key investment areas and roadmap for Oracle RightNow Cloud Service Don’t miss this chance to learn how you can delight your customers while improving cost and efficiency.Register Now

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  • Live Webcast: Introducing Oracle Identity Management 11gR2

    - by B Shashikumar
    Please join Oracle and customer executives for the launch of Oracle Identity Management 11g R2, the breakthrough technology that dramatically expands the reach of identity management to cloud and mobile environments. Until now, businesses have been forced to piece together different kinds of technology to get comprehensive identity protection. The latest release of Oracle Identity Management 11g changes all that. Only Oracle Identity Management 11gR2 allows you to: Unlock the potential of cloud, mobile, and social applications Streamline regulatory compliance and reduce risk Improve quality of service and end user satisfaction Don't leave your identity at the office. Take it with you on your phone, in the cloud, and across the social world. Register now for the interactive launch Webcast and don’t miss this chance to have your questions answered by Oracle product experts.Date: Thursday, July 19, 2012 Time: 10am Pacific / 1pm Eastern

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  • Eclipse Juno Switch Editor in Order

    - by inspectorG4dget
    In case it matters: OS: Mac OS X Lion (10.7.4) Eclipse: Juno, Build id: 20120614-1722 I have several files open in my eclipse workspace as tabs. The default shortcuts for previous and next editors are ?F6 and ?shiftF6. I know how to change these shortcuts, that's not the issue. However, what I want to do, is switch between editors in the way in which they're ordered in the tab bar. Currently, the editors change in order of last used/viewed. So, if I had three files (A, B and C in order) open and I'm currently editing A and I edited B last, when I use the shortcut for "Previous Editor", it takes me to B instead of C (and vice versa). Is there any way for me to get this functionality out of eclipse (if so, how)? Thank you

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  • Problem with Win7 connecting to Internet

    - by Lucas
    Hello, I have had Windows 7 for about a year now and for the first four months it worked perfectly. But for the last 8 months it has been horrible. It will connect to the Internet for about 5 minutes and then just lose connection. It will reconnect in about 5 minues but then it just keeps disconnecting. I ran a virus scan about 2 weeks ago and I found a Trojan on my PC which I removed and dealt with. It was fine after that but now for these last couple days it has been just as bad as before. I think a virus is causing this but I will read any suggestions and tips to help me solve this problem. Thank you. PC DETAILS: OS: WIndows 7 Home Premium 64-Bit- System Model: Aspire M5802- Processor: Intel Core 2 Quad CPU- Memory: 8192MB RAM- Graphics Card: NVIDIA GeForce GT 220

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  • AngularJS dealing with large data sets (Strategy)

    - by Brian
    I am working on developing a personal temperature logging viewer based on my rasppi curl'ing data into my web server's api. Temperatures are taken every 2 seconds and I can have several temperature sensors posting data. Needless to say I will have a lot of data to handle even within the scope of an hour. I have implemented a very simple paging api from the server so the server doesn't timeout and is currently only returning data in 1000 units per call, then paging through the data. I had the idea to intially show say the last 20 minutes of data from a sensor (or all sensors depending on user choices), then allowing the user to select other timeframes from which to show data. The issue comes in when you want to view all sensors or an extended time period (say 24 hours). Is there a best practice of handling this large amount of data? Would it be useful to load those first 20 minutes into the live view and then cache into local storage something like the last 24 hours? I haven't been able to find a decent idea of this in use yet even though there are a lot of ways to take this problem. I am just looking for some suggestions as to what might provide a good balance between good performance and not caching the entire data set on the client side (as beyond a week of data this might not be feasible).

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  • Firefox released beta 9 for version 4

    - by anirudha
    Firefox yesterday released 9 beta of Firefox 4. now many plug-in work inside Firefox 4. How to get plugin work in Firefox 4 :- if you like any plug-in who you like to use but not worked in Firefox 4 go to developer site may be they work on them so it’s chance you can get the version who is in development from developer site. because many of plugin wait for a time period for testing or making same version for all plateform like linux or mac osX. How to work with stable and Beta version [standalone] sometime we fell that it’s time wasting because something we need the beta version can’t give. so you can use Firefox 3.6.13 or Firefox 4 both by a trick. you need to install them in other directory. when you trying to install another version beware because they also override the last installation directory so you need to choose the directory where you want to get another version manually.

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  • SSH Tunnel doesn't work in China

    - by Martin
    Last year I was working in China for a few months. I never bothered setting up a real VPN, but just created a SSH tunnel, and changed my browsers proxy settings to connect through it. Everything worked great (except flash of course) but that was fine. However, now I'm back in China but I'm having problems with this approach. I do the same thing as last time, and according to https://ipcheckit.com/ my IP address is indeed the IP of my (private) server in the US, and I'm logging in to my server using a fingerprint I created long before going to China so no MITM should be possible. Furthermore the certificate from ipcheckit.com is from GeoTrust - so everything should be OK However, I still can't access sites which are blocked in China. Any idea how this could be possible?

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  • Exklusive Einladung zum Open Day bei Oracle in Potsdam!

    - by britta wolf
    Liebe Studenten, Absolventen und Young Professionals, wir laden euch am 8. November 2012  zum Oracle Open Day in unsere Potsdamer-Niederlassung ein! Professoren aller Studienrichtungen sind ebenfalls herzlich willkommen! Der Open Day bietet die tolle Gelegenheit OracleDirect in Potsdam in spannenden Vorträgen und Führungen kennen zu lernen. Ausserdem wird ein Job-Speeddating veranstaltet und am Abend ist ein informeller Networking-Event geplant. Ihr habt die einmalige Chance mit unserem Management-Team und Mitarbeitern ins Gespräch zu kommen.Wir freuen uns auf einen interessanten Austausch mit Interessenten aller Studien- und Berufsrichtungen! Führung I: 16:00 -17:00 Uhr Führung II: 17:30-18:30 Uhr Standort: Schiffbauergasse 14, 14467 Potsdam  Sowohl für die Führung (2 x 20 Teilnehmer), als auch für die Abendveranstaltung ist eine Anmeldung per Email bis zum 05. November erforderlich. Kontakt: [email protected]  (Telefon: 0331 200 7122)

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  • Where Windows 8 store data of things I recently changed?

    - by user1769787
    Today when I start my computer I see it's not start successfully and show me somthing to Restore like option. I click it and it's rollback many things I have done in my past. suppose. 1.I have uninstalled the software in last days. I have seen them in add or remove option and it's finally work now. (How a software can come back which I have uninstalled). I can see that my email adress which I have removed are come back. My firefox (latest Beta) goes downgrade. I have installed update in last days and now I can see it's goes downgrade. So where they stored all thing which they have rollback.I am sure if they have make a software installed once again which I have already uninstalled then they have stored it somewhere. so Where Win8 store these files which I have restored.

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  • iTunes is not updating my podcast [closed]

    - by user22589
    I update my Podcast every week. But iTunes is not updating my last episode for more than a week. Strangely, those who subscribe my podcast can see the updated episode. But if you're not a subscriber, you can't see the last episode. It's here: http://www.aladinusa.com/podcast/rss.xml I checked it with the W3C validator and it says it's valid (with minor suggestion). Do you have any idea why it's not updated on iTunes? Thanks. Sam Kong

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  • Is this a violation of the Liskov Substitution Principle?

    - by Paul T Davies
    Say we have a list of Task entities, and a ProjectTask sub type. Tasks can be closed at any time, except ProjectTasks which cannot be closed once they have a status of Started. The UI should ensure the option to close a started ProjectTask is never available, but some safeguards are present in the domain: public class Task { public Status Status { get; set; } public virtual void Close() { Status = Status.Closed; } } public ProjectTask : Task { public override void Close() { if (Status == Status.Started) throw new Exception("Cannot close a started Project Task"); base.Close(); } } Now when calling Close() on a Task, there is a chance the call will fail if it is a ProjectTask with the started status, when it wouldn't if it was a base Task. But this is the business requirements. It should fail. Can this be regarded as a violation?

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  • Windows Embedded Compact 7 in Padua

    - by Valter Minute
    Yesterday I did a presentation about Windows CE at the University of Padua Even if the picture seems to suggest that I just showed and empty slide, I illustrated the new features of the OS and did a quick demo of Silverlight for Windows Embedded on Windows Embedded Compact 7 (I’ve to get used to this new name), showing the new tools that provide a better integration between Expression Blend and Visual Studio for the development of Silverlight applications (I hope to be able to write more on this topic soon!). The Operating System was running on some real hardware (TI OMAP3530 evaluation board) and many people had a chance to interact with the new customizable shell. Most of the 60 people attending were still awake at the end of the one hour and a half session, and some of them even asked questions! I would like to thank all the people attending and all the people of Arrow, Fortech Embedded Labs and the University of Padua that made this event possible and provide me the tool and the time to do this presentation. Technorati Tags: Windows Embedded Compact 7

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  • JSR 348, 355, and 358: Moving JCP Forward

    - by arungupta
    The three-step JCP evolution consists of the following JSRs: • JSR 348, JCP transparency • JSR 355, Merging the two existing Executive Committees • JSR 358, complex issues moved postponed from JSR 348 The JSR 348 is already completed and JSR 355 is scheduled to be complete later this year. JSR 358 was recently filed and plans to revise several items such as modify the JSPA, Process Document, and a large number of complex issues. Because of the nature and scope of work, the Expert Group consists of representatives from all companies in the Executive Committee. Following the process set by JSR 348, all the work is done in open at jsr358.java.net. All the email discussions are here and JIRA here. Read Patrick Curran's blog for more details as well. The JSR review ballot ends on Jul 9th however the work has already happening for the past few months. Now is your chance to contribute and make JCP more effective!

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  • When should I upgrade to Ubuntu 10.04 (Lucid Lynx)? [closed]

    - by Emyr
    I'm a web developer for a small non-IT firm. When 9.10 came out, I was using it with no adverse effects from about a month before release (iirc, first beta), initially as an upgrade but as a clean install later to ensure my system would be consistent with most other 9.10 systems. The last alpha of 10.04 came out last week, with another 2 weeks before beta. I'm quite eager to do it today, but obviously the usual "not for production systems" notice is still in place. When should I upgrade? Do I need to worry about software installed from source? (./configure, make, make install etc) Is the attraction of a non-brown theme really this tempting for you?

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  • Task-It Webinar - Building a real-world application with RadControls for Silverlight 4

    Yesterday I held a live webinar on Building a real-world application with RadControls for Silverlight 4. Thank you to all of those that attended, but if you did not have a chance to catch it, you can watch a recorded version here: Building a real-world application with RadControls for Silverlight 4 I wasn't able to get too deep into the inner workings of the app because of time limitations, but over the upcoming weeks I will dig deeper in my blog posts, and potentially some videos. 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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  • Accidentally Changed Dual Monitor Setup and don't know how to reset it

    - by user203783
    I have a dual monitor setup with my laptop and an external Asus monitor running under Ubuntu 11.10. When I first started using Ubuntu, it synced both screens. What showed up on my laptop showed up on my eternal monitor. Last night, I accidentally knocked the HDMI cable from its port (not that unusual in the tight space I work in). When I plugged it back in, as usual, the external monitor only displayed my wallpaper. Usually, I just restart Ubuntu and it resets, but last night what I now realize was the display console came up and somehow I changed the setup. Now the two screens show different jobs so to speak. Also, the external monitor doesn't display the ribbon, making switching between Firefox tabs and windows or apps jarring. I write for a living and need to quickly check bits of research, notes or sources while writing and the extra switching between mouse pad and external mouse to get one or the other screen to respond interrupts my work flow. The only technical help I can offer is when the display console popped up, the graphical representation of the screens was that the external screen appeared layered over by about one-quarter of the laptop screen. Again, these were icons. I tried to replicate that after I obviously screwed things up. If someone could help. I would appreciate it. If I have to use terminal, that's fine. I started using computers for writing back when they were green DOS prompts. There's a certain elegance to prompt commands to me. Maybe it's the writer in me. Again, if anyone can help me return my screens to sync under Ubuntu 11.10, I would greatly appreciate it.

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  • Get name (address) of computer from which from which SSH login was made.

    - by amicitas
    After logging onto a linux machine via SSH, I would like to be able to retrieve the name of the computer from which the connection was made. Ideally I am looking for some command like hostname or uname but that would retrieve the name of the client instead of the host. This information must be accessible somewhere, since when I log on I get a message that contains the clinent name from the last login: Last login: Thu Mar 11 18:42:01 2010 from my.address.com The reason for wanting to do this is to be able to take different action in my .login file depending on which computer I am using for connection is from.

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  • How can I get command prompt to merge my files in name order?

    - by Anastasia
    I'm using the copy command in command prompt to merge all the files in a directory, for a number of directories. The problem is, I need to edit the first file in each directory before I merge. This means that when I put in the command "copy /b *.mp3 name.mp3", the joined file has part 2 at the start and part 1 at the end, presumably because it was created last. Is there a way of using the copy command so that the files merge in name order? Each folder has a different number of parts, anywhere from 2 to 1000 so I don't want to list each file with a "+" in between. Ideally, I'd like to find something to insert into the copy command I'm already using. Otherwise, is there a way of rearranging the files in a folder so that if you enter "DIR", part 1 shows up first even if it was edited last? I'm using Windows 7 by the way.

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