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• Ubuntu 12.04 Install Problems.. Installation Type screen. No options [closed]

  - by Zaffiro

  Possible Duplicate: Only ‘sdb’ shows up when installing 12.04 on a new Dell inspiron 14z I am new to Linux and trying to install Ubuntu 12.04 on a new HP Pavilion DV6TQE Ivy Bridge and being presented with the below screen which I believe is incorrect. My disk is set up as a basic disk (not dynamic) and I tried with a single C:\ partition and by creating a second partition in windows with no luck. Any ideas? UPDATE: I think I know what the problem is but I don't know how to fix it yet.. My hard drive has a 32gb mSSD cache which is listed as dev/sdb. for some reason this is causing the installation trouble.

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• Configure firewall (Shorewall/UFW) to allow traffic for services on an Ubuntu Server

  - by Niklas

  I have an Ubuntu Server 11.04 x64 which I want to secure. The server will be open to Internet and I want to be able to SSH/SFTP into the machine and the SSH-server runs on a custom set port. I also want a web server accessible from the Internet. These tasks seems not to hard to perform but I also want SAMBA-shares to be accessible from within the local network and this seems to be a bit trickier. If possible I also want to be able to "stealth" the ports necessary to protect the server further but also allow the SAMBA-shares to be automatically found within the local network. I've never configured firewalls before except for a router and I always bump into a bunch of problem when doing it all by myself so I was hoping for some tips or preferably a guide on how to this. Thank you! Update: On second thought I'd could just as likely go with UFW if the same settings are achievable ("stealth" ports).

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• May I remove ads from feed in my news reader app?

  - by Mahdi Ghiasi

  I'm creating a News Reader app for Tablets and PCs. My app is fetching data from news sources by RSS feed of websites (in the server-side). But some of these sites are showing some advertising banners at the end of each article. Should I remove those banners from the feed? Am I legally/ethically allowed to do this? And what about If I want to put some other ads in my application? (Right at the end of each article) I mean, If I want to have my own advertising service... Update: And what if I use feed for content titles and summaries, but use other thing, like Readability API to show full article, and then put my own ads below content? (Readability gets the HTML page, and gives you a clean page without any ads and such.)

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• setPosition of Sprite onUpdate in AndEngine

  - by SSH This

  I am trying to get a "highlighter" circle to follow around a sprite, but I am having trouble, I thought I could use the onUpdate method that's available to me in SequenceEntityModifier but it's not working for me. Here is my code: // make sequence mod with move modifier SequenceEntityModifier modifier = new SequenceEntityModifier(myMovemod) { @Override protected void onModifierFinished(IEntity pItem) { // animation finished super.onModifierFinished(pItem); } public float onUpdate(float pSecondsElapsed, IEntity pItem) { highlighter.setPosition(player2.getX() - highlighterOffset, player2.getY() - highlighterOffset); return pSecondsElapsed; } }; When onUpdate is completely commented out, the sprite moves like I want it to, everything is ok. When I put the onUpdate in, the sprite doesn't move at all. I have a feeling that I am overriding the original onUpdate's actions? Am I going about this the wrong way? I am new to Java, so please feel free to advise if this isn't going to work. UPDATE: The player2 is the sprite that I'm trying to get the highlighter to follow.

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• How can I get wireless working on an HP-Mini 110-3150?

  - by jfmessier

  I just got an HP Mini 110-3150, and booting from an external hard disk with Ubuntu 10.10 works all fine, except that there is no wireless detected. I noticed that the Wireless indicator is red under Ubuntu, but is enabled under whatever Windows 7 I got on it. So, I understand that it may not get detected at all by Ubuntu at startup time, and there is no manual switch that I can simply slide to turn on/off. How can I get the Wireless device turned ON by default at startup time, and is there any special driver I need to install (proprietary or not) to get it working ? Merci :-) Update: When actually installing on the computer, as a new install, the NIC is not detected at first, but upon restarting, I get a notification of a closed driver available for the wireless. Once installed, updated and restarted, it works fine.

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• Reason why a Brand new website is ranking for a top keyword? [on hold]

  - by Prasad EBK

  Its been noticed, one of our (new)competitor website is ranking 5 for a top keyword with high competition. The website is barely 2 months old. When I checked not much SEO is done on the website other than basic title/desc tags. No backlinks. The website pushed down our website and took its place for the keyword. The only reason that came to my mind is the latest penguin update. Or is the ranking just temporary???, will it eventually be pushed back?? its been holding on for atleast one month and its irritating. Thanks in advance.

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• Creating a blog for software changes

  - by Dave

  I work for a small company where I maintain a number of project all at once. I would like to create a blog and note software changes/update so that I can keep track of things. Plus it will also serve as help tool for other if they need help. I would like to install something locally on my machine or network, either ASP or PHP is fine. Which software would you recommend? Is it good idea, bad idea? Has anyone done it? I have worked with wordpress and I like it but I am afraid it is not best for code snippets. Any thoughts I do use source control. I am not an expert on it though. I use three different development environment. 1. Visual Studio 2. Eclipse 3. SQL Server Management Studio

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• Why are the packages found with apt-get always horribly out of date?

  - by Andrew

  Whenever I use the package manager, it can only ever find really old versions of stuff. Example: sudo apt-get update sudo apt-get install postgresql The best it can do is version 8.4 (3 years out of date). Trying to get a later version, I get: $ sudo apt-get install postgresql-9.1 Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find package postgresql-9.1 I experience the same issue whenever I use the package manager, so I usually just download and build things from source. How can I make it find up-to-date software?

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• Why I can't see my desktop icons in ubuntu 13.04?

  - by Edgar

  I just installed Ubuntu 13.04 in my laptop Aspire-M3-5871TG, and I can't see anything (neither icons, ...). Only is visible the desktop background but I can open and work with the terminal. Maybe the problem is related with Nvidia Geforce GT 640M vs Unity. I've tried several commands: dconf reset -f /org/compiz/ unity --reset-icons &disown and unity --replace & but nothing happens. I've tried other commands as well: sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current and nothing happens. I've also tried to install tweak but is it not possible to find it. Thus, I can't do nothing ... Definetely my laptop is not compatible with Ubuntu 13.04?

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• Slides for Parallel Debugging windows

  Recently I gave a talk at our Microsoft Shanghai offices on Parallel Programming so I had to update my existing Beta1 deck to Beta2 content. Specifically for Parallel Tasks and Parallel Stacks, I used 5 slides to accompany the demo.In case you are giving talks on parallelism within Visual Studio 2010, please feel free to download and use the updated parallel debugger slides (pptx).TIP: The slides have animations so be sure to F5 the deck for the full benefit and they also have text in the Comments section so be sure to see them at design time too. Comments about this post welcome at the original blog.

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• Cannot install nautilus elementary.

  - by coklatua

  when I try apt-cache policy nautilus it shows this, Installed: 1:2.32.0-0ubuntu1-ppa1 Candidate: 1:2.32.0-0ubuntu1-ppa1 Version table: *** 1:2.32.0-0ubuntu1-ppa1 0 100 /var/lib/dpkg/status 1:2.32.0-0ubuntu6~ppa160 0 500 http://ppa.launchpad.net/am-monkeyd/nautilus-elementary-ppa/ubuntu/ maverick/main amd64 Packages 1:2.32.0-0ubuntu1.1 0 500 http://archive.ubuntu.com/ubuntu/ maverick-updates/main amd64 Packages 1:2.32.0-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ maverick/main amd64 Pack As you can see I allready add the am-monkeyd ppa but when i'm update & upgrade nothing change.

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• Repacked proprietary software keeps updating the same deb

  - by Johannes

  I repacked a proprietary program delivered as tar file to a deb file for having a company wide repository. I used reprepro to set up a repository and signed it. A unix timestamp is faking a versioning numbering, so I can have different (real) versions installed at the same time. Almost everything works as expected. The deb file looks like this: mysoft8.0v6_1366455181_amd64.deb Only problem on a client machine it tries to install the same deb file over and over again because it thinks its an update. What do I miss: control file in deb package looks like this: Package: mysoft8.0v6 Version: 1366455181 Section: base Priority: optional Architecture: amd64 Installed-Size: 1272572 Depends: Maintainer: me Description: mysoft 8.0v6 dpkg repackaging and the config in the repository: /mirror/mycompany.inc/conf/distributions: Origin: apt.mycompany.inc Label: apt repository Codename: precise Architectures: amd64 i386 Components: main Description: Mycompany debian/ubuntu package repo SignWith: yes Pull: precise Help much appreciated Added guide: This Is the guide I used to create the repository.

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• OUYA and Unity set up problems

  - by Atkobeau

  I'm having trouble with the Unity / OUYA plugin. I'm using Unity 4 with the latest update on a Windows 7 machine. When I open the starter kit and try to compile the plugin I get the following error: Picked up _JAVA_OPTIONS: -Xmx512M And if I try to Build and Run I get this error: Error building Player: ArgumentException: Illegal characters in path. I'm stumped, I've gone through lots of forum posts here and on stackoverflow and I can't seem to resolve it. My environment variables look like this: PATH - C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\tools; C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\platform-tools\ JAVA_HOME - C:\Program Files (x86)\Java\jdk1.6.0_45\ Everything in the OUYA Panel is white Any ideas?

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• Modular enterprise architecture using MVC and Orchard CMS

  - by MrJD

  I'm making a large scale MVC application using Orchard. And I'm going to be separating my logic into modules. I'm also trying to heavily decouple the application for maximum extensibility and testability. I have a rudimentary understanding of IoC, Repository Pattern, Unit of Work pattern and Service Layer pattern. I've made myself a diagram. I'm wondering if it is correct and if there is anything I have missed regarding an extensible application. Note that each module is a separate project. Update So I have many UI modules that use the db module, that's why they've been split up. There are other services the UI modules will use. The UI modules have been split up because they will be made over time, independent of each other.

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• Discussion of a Distributed Data Storage implementation

  - by fegol

  I want to implement a distributed data storage using a client/server architecture. Each data item will be stored persistently in disk in one of several remote servers. The client uses a library to update and query the data, shielding the client from its actual location. This should allow a client to associate keys (String) to values(byte[]), much as a Map does. The system must ensure that the amount of data stored in each server is approximately the same. The set of servers is known beforehand by other servers and clients. Both the client and the server will be written in Java, using sockets, threads, and files. I open this topic with the objective of discussing the best way to implement this idea, assuming simplicity, what are the issues of this implementation, performance measurements and discussion of the limitations.

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• Virtualisation : deux nouveaux outils pour Windows Server 2008 R2 et un changement majeur dans le XP

  Virtualisation : deux nouveaux outils pour Windows Server 2008 R2 Et un changement majeur dans le XP Mode de Windows 7 Microsoft vient d'annoncer deux futurs Service Pack pour Windows 7 et Windows Server 2008 R2. Le SP1 de ce dernier introduira deux nouveaux outils de virtualisation : Microsoft RemoteFX and Dynamic Memory. Le SP1 de Windows 7 pour sa part ne proposera que les mises à jour effectuées régulièrement via Windows Update. Dybamic Memory est une amélioration de la technologie Hyper-V qui permet aux administrateurs informatiques de mettre en commun toute la mémoire disponible sur une machine hôte et de la distribuer dynamiquement aux machine...

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• Google Goals process not working through similarly named pages

  - by David

  Well, I'm at a loss. I've ensured that my tracking script is in etc etc, and I've set up my goal and funnel path, but only the first step is ever being shown on the funnel. Goal URL: /checkout/checkoutComplete/ Type: Head Match ... but should this be /checkout/checkoutComplete/(.*) and set to regex rather because there are parameters after the main part of the URL (I thought that's what head match was for) Step 1: /checkout/ <-- required Step 2: /checkout/confirm/ both the above are valid and correct URLs for my domain. But for some reason, the funnel visualization shows entries into the first step, then an exits count that matches the entry count, including /checkout/confirm - but it doesn't go on to the next step! Perhaps I'm doing something obviously wrong...but I can't quite see it? Also, semi-related questions. Making a change to the funnel, does it only affect new incoming data? And how often does it update? Thanks in advance for your help.

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• Dynamic MMap ran out of room when trying to sudo apt-get anything

  - by user1610406

  I was having an error in Update Manager that asks me to do a partial upgrade and it fails. Now I can't sudo apt-get install anything. I tried to fix it, and now I can't sudo apt-get anything. Every time, I get this output: Reading package lists... Error! E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Limit. Current value: 25165824. (man 5 apt.conf) E: Error occurred while processing libuptimed0 (NewVersion1) E: Problem with MergeList /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_lucid_universe_binary-i386_Packages W: Unable to munmap E: The package lists or status file could not be parsed or opened. I have no idea why this is happening or how to fix it, and I fear that if I try something that probably doesn't work that it will make my problem worse. (Just for reference I am currently running 10.04 (Lucid) on my machine.)

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• What could be the reason for my resolution to be right running 11.10 on VirtualBox and not on machine?

  - by Hadrian de Oliveira

  When I install Ubuntu 11.10 on my VirtualBox (running on Windows 7) and update the packages, it recognizes the display as the VirtualBox display, and gives me the options of various resolutions, one of them being right for my display, all works well. But then, when i install it on my machine (like was Windows 7) it doesn't give me the resolution options, even with the system updated and the openchrome graphics driver installed (which was also when running on Virtualbox). What could be the reason for this happening? (Could the VB guest software influence on this?)

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• Synchronizing local and remote cache in distributed caching

  - by ltfishie

  With a distributed cache, a subset of the cache is kept locally while the rest is held remotely. In a get operation, if the entry is not available locally, the remote cache will be used and and the entry is added to local cache. In a put operation, both the local cache and remote cache are updated. Other nodes in the cluster also need to be notified to invalidate their local cache as well. What's a simplest way to achieve this if you implemented it yourself, assuming that nodes are not aware of each other. Edit My current implementation goes like this: Each cache entry contains a time stamp. Put operation will update local cache and remote cache Get operation will try local cache then remote cache A background thread on each node will check remote cache periodically for each entry in local cache. If the timestamp on remote is newer overwrite the local. If entry is not found in remote, delete it from local.

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• Drawing an animation over an already drawn screen

  - by Chandan Pednekar

  I am working on a XNA WP7 card game whose basic prototype is complete. In game screen, 6 cards are displayed at a time (3 for each of the two players say 1,2 and 3). If player A attacks one of player B's card then I want to show an animation over player B's card i.e the victim card(say a claw scratch for e.g.) My question is how do I approach with the animation system so that I can draw an animation over a card upon certain events e.g. dead, fire, claw attack etc. I have an attack function which detects which type of card is attacking which type of card. Depending on the type of attacker card I want to display the animation on the victim card. Can I call animation classes function for different animations in the attack function itself without actually having to call separate draw and update functions. If so, how? Also how do I play sound at the same time when the animation is going on?

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• Periodic clicking sound from PC speaker

  - by John J. Camilleri

  After an update some months ago, my laptop has begun making a low, repeated clicking sound every few seconds. It is not being generated through the regular sound system, as altering the volume and even muting the sound does not make any difference. My regular audio works fine, by the way, so I am guessing this is some sort of PC speaker, since I cannot hear the click when I listen through regular headphones. Strangely, when I open the sound settings dialog the click magically disappears. I don't need to change any settings; if I simply leave the dialog open in the background then the problem disappears. Any ideas what this could be? I am running regular Ubuntu 12.04, and this is the output from lspci -v | grep -A7 -i "audio": 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) Subsystem: Acer Incorporated [ALI] Device 0349 Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at 54200000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel

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• Tips for communication between JS browser game and node.js server?

  - by Petteri Hietavirta

  I am tinkering around with some simple Canvas based cave flyer game and I would like to make it multiplayer eventually. The plan is to use Node.js on the server side. The data sent over would consists of position of each player, direction, velocity and such. The player movements are simple force physics, so I should be able to extrapolate movements before next update from server. Any tips or best practices on the communications side? I guess web sockets are the way to go. Should I send information in every pass of the game loop or with specified intervals? Also, I don't mind if it doesn't work with older browsers.

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• Target tracking with a small delay (actionscript 3.0)

  - by John Dodson

  I'm having trouble thinking of a good method to track my character with an enemy attack. Of course, I don't want the attack to track my character's current position; I want it to track where the character was about 1 second before (so you can move around and make the attack miss and loop around you sort of a thing). The general structure of my game uses a timer to update all of my events. I have a timer going off every 25 milliseconds that updates everything, including my player's position and the enemies position. Right now I just have the enemy attack directly targeting my character....which works fine except that it's impossible to escape =p. Let me know if I didn't supply enough details. My approach was going to basically be get my character's position from about 1 second ago, then have the enemy target that position, the only problem is I can't think of a good way to get my character's position from previous times. Thanks for the help!

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• java MainServer gives java.lang.UnsupportedClassVersionError: Unsupported major.minor version 51.0

  - by Paradox

  Compiling is easy but when using java to run the programs, it gives Exception found. I am using Ubuntu 12.04 without internet connections. Also, installed Oracle JDK7 and JRE7. Also did the update-alternatives command on java, javac and javaws. Changed the machine java in /etc/profiles. PATH is pointing to oracle java folder. I did many searches on Google about this topic but each time jdk and jre version are different. Also check version of jdk and jre using java -version and javac - version. Both of them are the same. The system also contains OpenJdk6 and OpenJdk7. So, how do I remove these errors?

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