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  • Recent 12.04 Upgrade Makes My System and Internet Run Extremely SLOW!

    - by Sterling
    I'm running a Dell Inspiron 1564 with Windows7/Ubuntu dual booting. I haven't logged into the Ubuntu OS partition for some time until recently (trying to force myself into a Linux environment to learn) and when I did, It asked me to upgrade to 12.04 and so I did, restarted and since, everything seems to run extremely slow (startup, opening applications, running applications, switching windows, etc., etc... Another thing is that the Internet cuts out intermittently on my browser. Some pages within my Firefox tabs I can access, some I cant. Almost always while running Skype or some other Internet using application. So I know that I'm getting Internet, I can chat with friends over Skype but certain pages wont load during my Skype calls; the pages just hang upon resfreshing... I can eventually get the page to load after an indefinite amount of waiting and refreshing but this is very annoying. I am extremely new to Linux so I apologize in advance for my absolute ignorance. I am willing to post whatever information you Linux gurus have me type into the terminal in hopes that you can help me =) Thanks in advance!

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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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  • How to remove Ubuntu from dual boot system with Windows 7?

    - by user71307
    I wish to remove Ubuntu and I'm not quite sure how. I know it has something to do with partitions. I have 3 partitions. 1. OS [683 GB] 2. Recovery [14 GB] 3. Ubuntu 12.04 LTS (E:) I know it says Ubuntu but when I installed Ubuntu I think I put 14 gigabytes for it so I think its the recovery one but I'm not sure. I could have sworn I put more than 700 megabytes for it. I have googled this and I can't seem to find an answer. Any help would be nice.

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  • how to join 3 relational tables

    - by orioncabbar
    Hello there, how to join 3 relational tables with the structure: t1 | id t2 | id | rating t3 | source_id | relation t3 stores the data of a field which t1 and t2 uses both. so source_id field can be t1's id or t2's id. input : t1 id output : t2 rating an example: **t1** id | --------- 42 | **t2** id | rating ------------- 37 | 9.2 **t3** id | source_id -------------- 42 | 1 37 | 1 26 | 2 23 | 1 what i want is to get 9.2 output with 42 input. can you do that in one sql query?

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  • How can I get my battery level to display in the notification area (system tray)?

    - by Jon
    I'm trying to use the Awesome window manager with GNOME, i.e. running gnome-session --session=ubuntu on login, and it works great for the most part, except for the fact that the notification area/systray is missing a battery indicator. There's the Network Manager applet (nm-applet), a keyboard icon for switching keyboard layouts, but no battery icon as I would've hoped. I thought the command would be something like gnome-power-manager,

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  • Either .each do or .all isn't working how I think it should

    - by user1299656
    So whenever someone rates a shop, I want the Shop model to calculate its new average rating and store that in the database (instead of calculating the average every time someone looks at it). So I wrote the segment of code that follows, and it doesn't work. The loop always iterates exactly once, no matter how many shop_ratings in the database exist that have the shop's id as their shop_id. I played around with it a bit and found that every time a new rating is submitted the function is called successfully, but it only runs the loop once and sets the average to what the first rating was. I don't know if the "query" that sets the ratings variable is wrong or if it's the loop that's wrong. class Shop < ActiveRecord::Base has_many :shop_ratings attr_accessible :name, :latitude, :longitude validates_presence_of :name validates_presence_of :latitude validates_presence_of :longitude def distance_to(lat, long) return (self.longitude - long) + (self.latitude - lat) end def find_average total = 0 count = 0 ratings = ShopRating.all(:conditions => {:shop_id => id}) ratings.each do |submission| total = total + submission.rating count = count + 1 end update_attribute :average_rating, total/count end end

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  • I need a backend system that is integrated with web services, is there an open source solution?

    - by Jarom
    I'm basically familiar with what I need in order to setup web services to talk with a centralized db, but if I don't have to go through and do all the work, I'd rather not. Is there an open source solution that would allow me to easily integrate web services for data transfer to a central db? I want to make a site that is powered by a db that can also be accessed by other things like mobile apps for example. What are the steps involved in setting up such a site? Any help is appreciated! I could use all the help I can get!

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  • My system screen goes black and displays Term Signal Killed?

    - by Quandite
    My computer will often just die randomly while I am using it. The screen goes black and sometimes displays the words TERM signal killed along with other things and sometimes it displays nothing. The writing stays on the screen momentarily before it disappears to just black. I then have to hold in the power button to turn it off and then re boot. Here are the specs... help! Ubuntu 10.04(lucid) Kernel Linux 2.6.32-23-generic GNOME 2.30.2 memory 495.7 MiB processor Intel(R) Pentium(R) 4CPU 1.80GHz

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  • Is it possible to start an additional X server after the system boots in 12.04?

    - by jackweirdy
    I'd like to have 2 VT's running, one on VT7 with the standard lightdm + unity interface and another on VT8 running a custom script which will launch a virtual machine in full screen. At the moment I've tried writing an init.d script with no luck and I can't find any details on a configuration file which will allow me to start 2 servers. I suppose my ideal answer would be one which points me to a config file I can edit to start up an additional server. Edit - I forgot to mention in the text that I already know how to start another X session: I'd like this to start automatically at boot.

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  • Customizing the Stars Image for Ajaxful_Rating RoR plugin

    - by Kevin
    I'm trying to come up with my own star image that's slightly smaller and different style than the one provided in the gem/plugin, but Ajaxful_rating doesn't have an easy way to do this. Here's what I've figured out so far: The stars.png in the public folder is three 25x25 pixel tiles stacked vertically, ordered empty star, normal star, and hover star. I'm assuming as long as you keep the above constraints, you should be fine without modifying any other files. But what if you want to change the image size of the stars to larger or smaller? I've found where you can change the height in the stylesheets/ajaxful_rating.css .ajaxful-rating{ position: relative; /*width: 125px; this is setted dynamically */ height: 25px; overflow: hidden; list-style: none; margin: 0; padding: 0; background-position: left top; } .ajaxful-rating li{ display: inline; } .ajaxful-rating a, .ajaxful-rating span, .ajaxful-rating .show-value{ position: absolute; top: 0; left: 0; text-indent: -1000em; height: 25px; line-height: 25px; outline: none; overflow: hidden; border: none; } You just need to change every place that says "25px" above to whatever height your new star image is. This works fine but doesn't display the horizontal part correctly. Anyone know where I would look to set the horizontal part as well? (I'm assuming it's in an .rb file somewhere based upon how many stars you specified in your ajaxful_rating setup)

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  • How do I create a point system in a Rails app that assigns points to users and non-authenticated-use

    - by codyvbrown
    I'm building a question and answer application on top of twitter and I'm hitting some snags because I'm inevitably dealing with two classes of users: authenticated and non-authenticated. The site enable users to give points to other users, who may or may not be authenticated, and I want to create a site-wide point system where the application stores and displays this information on their profile. I want to save this point data to the user because that would be faster and more efficient but non-authenticated users aren't in our system, we only have the twitter handle. So instead we display the points in our system like this: @points = point.all( :select => "tag, count(*) AS count", # Return tag and count :group => 'tag', # Group by the tag :order => "2 desc", :conditions => {:twitter_handle => params[:username]}) Is there a better way to do this? Is there a better way to associate data with non-authenticated users?

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  • Why did Windows XP disappear from the menu on my triple-boot system?

    - by AS Chandrashekaran
    I have WIN XP installed, followed by Mint 12 and finally Ubuntu 12.04. I did a sudo grub-install /dev/sda followed by sudo update-grub. On rebooting all was fine and the boot menu had Ubuntu 12.04, mem, windows, and finally Mint 12. All was fine till now. Today wanted to boot into windows BUT found win XP missing from Boot Menu. Tried sudo grub-install /dev/sda followed by sudo update-grub BUT win XP is NOT FOUND. Can someone help with what to do to restore WIN XP in Boot Menu, Please?

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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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  • Running ARM(EL) executables on ARM(HF) system - Missing Symlink to dynamic Loader?

    - by Uhli
    I am using an Ubuntu 12.10 (ARMHF) distribution on a panda board. I want to run applications compiled for ARMEL. It was not possible due to a changed dynamic loader location (https://wiki.linaro.org/OfficeofCTO/HardFloat/LinkerPathCallApr2012) I succeeded by creating the following symbolic link /lib/ld-linux.so.3 - /lib/ld-linuxarmhf.so.3 Is there a way to install a portability package instead? Is there a reason why this is not done by the distribution? Thanks in advance

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  • How do I create a point system in a Rails/Twitter app that assigns points to users and non-authentic

    - by codyvbrown
    I'm building a question and answer application on top of twitter and I'm hitting some snags because I'm inevitably dealing with two classes of users: authenticated and non-authenticated. The site enable users to give points to other users, who may or may not be authenticated, and I want to create a site-wide point system where the application stores and displays this information on their profile. I want to save this point data to the user because that would be faster and more efficient but non-authenticated users aren't in our system, we only have the twitter handle. So instead we display the points in our system like this: @points = point.all( :select => "tag, count(*) AS count", # Return tag and count :group => 'tag', # Group by the tag :order => "2 desc", :conditions => {:twitter_handle => params[:username]}) Is there a better way to do this? Is there a better way to associate data with non-authenticated users?

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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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  • What to do about "system running in low-graphics mode"?

    - by ubuntubabe
    My Dell which was 5 years old suddenly karked it and I had the "low graphics" black screen and useless dialogue box. As I believed it was a dead graphics card I went out and bought a brand new machine. I put aside the new machine and tried again in vain to open the Dell. I eventually got to the command line via Ctrl+Alt+F1. I logged into my account from there, and simply started a series of sudo apt-get remove of various softwares that I knew were installed on my PC (software without any great consequence like Google earth, tweak, Skype etc). Lo and behold after a sudo reboot my computer was fine again! So now I have 2 computers. BUT one week after buying the other one and installing 12.04 because I love Ubuntu, the SAME PROBLEM arrived! I once again deleted Google earth, Skype, and did a sudo reboot and everything worked as before. I think there is a bug or something in 12.04 as this problem has never arisen with any other versions of Ubuntu.

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  • Upgraded to Ubuntu 12.04--keyboard & mouse no longer work--system down!

    - by Mackey Morgan
    I upgraded from Ubuntu 11 to 12.04, today, and everything seemed to go smoothly up to, and including the reboot. However, I now find that my mouse and keyboard no longer function, so I cannot login or otherwise use my computer. I have read other posts on this topic, but most of the answers seem to require the use of a keyboard to implement the solution--and I can't use my keyboard! I downloaded a 12.04 LiveCD and tried booting from it, but I have the same issue with that--no keyboard! My systems is a Lenovo with an AMD64 dual processor, and my keyboard and mouse are USB attached and shared with two other Windows PCs via a KVM switch (so I no the keyboard and mouse work!). I would appreciate some hints about how to make this PC usable, again. Thanks!

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  • 5 year old ubuntu system, always dist-upgraded => ok. however some tasks remain

    - by knb
    I have a PC with a current ubuntu distribution installed. I've upgraded many times since 5.10. It always went well, however some tools or features were kindof left behind in a unsatisfactory state: grub to grub2 - is it an really necessary to switch the boot loader some time to grub2. Upgrading this scares me abit. I still have ext3 devices - is it worth upgrading to ext4? should I wait for btrfs? hibernation and suspend- it only worked in 5.10, since 6.04 it was messed up. Should I really care? Any chance to repair this myself? Simply by cleanup or hacking config files. It is a desktop PC after all. So energy saving functionality is not really needed. I am using vmware workstation 6.5 and the latest kernel that supports it is 2.6.32. This is my default kernel now, ignoring 2.6.35. Am I missing anything important in the new kernel now?

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  • Where, in an object oriented system should you, if at all, choose (C-style) structs over classes?

    - by Anto
    C and most likely many other languages provide a struct keyword for creating structures (or something in a similar fashion). These are (at least in C), from a simplified point of view like classes, but without polymorphism, inheritance, methods, and so on. Think of an object-oriented (or multi paradigm) language with C-style structs. Where would you choose them over classes? Now, I don't believe they are to be used with OOP as classes seem to replace their purposes, but I wonder if there are situations where they could be preferred over classes in otherwise object-oriented programs and in what kind of situations. Are there such situations?

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  • How to phrase the from field in system generated emails my site sends?

    - by Genadinik
    I have a community site that sends emails after certain actions like 1) When someone makes a comment 2) When someone does something called "suggest solution" 3) When someone makes a comment in the suggested solution which is different from a regular comment. What I am wondering is what is the best way to make the from field of the email appear? Right now it is something like 1) [email protected] 2) [email protected] 3) [email protected] But 2 and 3 look so strange when receiving the email. What is the nice and professional way to send these? Thanks!

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