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• Ubuntu 12.04 does not start

  - by ferr

  Im using Lenovo G580. I installed Win7 first, two months ago. Now, i want to install Ubuntu 12.04. I used usb for installation. It went very well, but when i was reboot laptop after installation, it started Win7 not Ubuntu or bootloader for choice. LiveUbuntu is working very well. I tried install ubuntu a couple of times from other .iso. I tried recover Grub. When i change "boot" flag in gparted to partition with Ubuntu, BIOS show me error "missing operating system".("boot" flag is optionally on Windows partition c:/). Can it be hardware mistake? Or i did some mistakes?

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• In 12.04, with my Linksys WUSB54G USB adapter I can see the networks, but cannot connect to any of them

  - by tobye

  I recently loaded Ubuntu version 12.04 onto my computer, and I have a WUSB54G v4 USB wireless adapter. I first tried to get it to work by simply plugging my adapter into an open USB port. This seemed to work fine, it came up with a list of wireless adapters, so I clicked on the correct one and entered the security code. It looked like it was going to connect. It tried for about five minutes before I stopped it. I then decided to create a network as I also have one setup. I did this and it connected, only one problem, I couldn't get onto the internet. Please help me, I am new to Ubuntu and am totally lost.

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• What is the sudo password after I deleted the password for the user?

  - by Ubuntunewbie

  To have an easier access to the computer I deleted the user's password so it is blank. But now I'm still asked to type in a password for sudo actions such as installing programms, etc. I know that this belongs to Ubuntu's outrageous security policy (which is why I use Ubuntu in the first place..) but I don't have any password to enter any more!! The old user password is not accepted and anything else (like just hitting enter) doesn't work either. I already tried the recovery mode (root shell) way passwd USER< but it replied that it can't access the password or it has no authority. Thanks in advance for your help!

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• How to post SEO jobs in the right way and other questions [closed]

  - by mdivk

  I have websites that needs an SEO expert to make them on the top of Google searching result based on some keywords, or at least the first page, the websites are created using common open source platforms (wp, joomla, or magento, zencart) I want to post a job on oDesk but I have no idea on how this particular type of requirement works? what would the guy do on my website? will I be asked to spent extra advertisement money? How do I know s/he really did anything on my site and what have been done? if it's just to optimize URL to make it meaningful then I don't need that, and I am sure giving every page's URL an alias is not enough to make the site popular. Beside, I want to know how much it roughly costs and how long it takes. It would be great if you can shed me some light, thank you in advance.

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• Cannot boot from USB to install 12.10

  - by Ramzi Njeim

  i am a long time user of Ubuntu and this is the first time a such thing happens to me. I usually upgrade from a version to an other, but this time i wish to do a clean install. I want to totally remove my 12.04 and do a clean install of 12.10, i created a live USB then i restarted my computer to boot from USB, i got the following error: Product is covered by one or more of the following patents: US5,434,872, US5,732,894, (and many more) Under that i see: PCIe GBE Family Controller Series v2.38 Media test failiure Exiting PXE ROM And then it reboots I've searched a lot for an answer, i guess the problem is with something in my bios, but i didn't find a fix. I would really appreciate a fix for my problem. My laptop is a Toshiba p775 dual boot ubuntu 12.04 and windows 7.

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• Ubuntu 12.10 doesn't boot (installed with wubi)

  - by Luna Kiyiya

  Quick and simple, my ubuntu doesn't want to load after installing with ubuntu. Starting the computer, at the screen to choose your operative system, first shows an error that windows failed to start, and later asks me to choose between ubuntu and windows. If I choose ubuntu, the same error happens again and I return to the same screen. If I choose windows, windows just starts normally as it was doing before I installed it. How can I solve this?? Thank you for your attention... I really need some help :)

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• Distinguishing between sets of status reports

  - by user1769486

  I am working on an internal database monitoring system and am at a point where I sort of hit the wall in terms of application design. Basically I have an extensible plugin architecture where I shall have an OK, a warning or an error upon running a db verification. My first question whether it is sufficient to have only one status reported with an optional status message or provide the ability to have more than one returned (with attached messages) and then calculate an aggregated overall status. In particular in the latter case my second issue would be how to distinguish between two verification reports with the same status code (as it can come from different triggers). I would need to do this to see whether some change happened between the current and last verification. I could simply have string comparisons of the attached status messages mentioned above but that does not seem very reliable.

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• Upgrade from 10.04 to 11.04, must maintain minimum kernel 2.6.38

  - by Steve

  I have a machine running 10.04 and am using BTRFS with lzo compression. I upgraded the kernel to 2.6.38 to enable this (using a PPA). I have my /home folder on a separate (4 TB) BTRFS drive. / is on ext4. My only complaint with this setup is that it uses the old BTRFS tools. How can I upgrade first to 10.10, then 11.04 as required, when 10.10 uses 2.6.35? I don't want it to crash/choke on mounting /home. Will it just let me keep booting the newer kernel I have while upgrading?

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• ssh client times out to some servers, works on others

  - by mmdanziger

  I have a strange problem and I'm not sure where to begin. My ssh client works on some servers but times out on others. Obviously, I checked that the servers are accessible via ssh from other locations. From my machine A I can log on to C only by logging on to B first. There are at least two servers for which this is the case. To make matters more strange sudo ufw status - Status: inactive nmap -sT -p 22 <problem_server> - ...22/tcp open ssh... On one affected server I am getting: ssh_exchange_identification: Connection closed by remote host and on the other I am getting ssh: connect to host <problem_server> port 22: Connection timed out With both of these servers I can log in from other machines. How can I troubleshoot such a problem?

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• Connection make b/w iphone to windows pc-rajay [on hold]

  - by Rajay

  I Need to create connection between ios to windows by using socket programming in ios. I'm trying to to use an application to communicate with Windows via sockets. At the minimum, I'm trying to at least figure out how I can create a connection from the iPhone (maybe using the iPhone to ping the Windows machine?) I'm not really clear on where I need to start. I'm pretty new to iOS development in general, and brand new to socket/network programming. I've tried several tutorials that haven't gotten me far. My goal is: Connect to a server via sockets (the server will be a Windows machine with a service waiting for incoming connections from the iPhone) If possible, I would like to write/build the client piece first, but I have been lost thus far. Hopefully the nice folks in the SO community can lend a hand and point me in the right direction.

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• Upgrade Ubuntu 12.04 to 12.10 failed

  - by pre-commit-hook

  I've a problem. Upgrade failed after "Setting new software channels", when Calculating changes. I tried error: Not all updates can be installed An unresolvable problem occurred while calculating the upgrade: E:Unable to correct problems, you have held broken packages. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. Now i have 1580 packages to update and do not update. Partial system upgrade also fails in the first step. What next? Alternatively, to undo the changes? Thank's to help.

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• Sound Delay With AVAudio Player

  - by Will Youmans

  I'm using the following code in my viewDidLoad to load a sound: NSURL * url = [NSURL fileURLWithPath: [NSString stringWithFormat:@"%@/Moto - Hit Sound.mp3", [[NSBundle mainBundle] resourcePath]]]; NSError * error; hitSoundPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:&error]; hitSoundPlayer.numberOfLoops = 0; Then I'm using this in a void method to play the sound: if(CGRectIntersectsRect(main.frame, enemy1.frame)){ [hitSoundPlayer play]; } This does seem to work, however the first time the sound is played there is a lot of lag and the game stops temporarily. I'm using this same method for when in an IBAction and it works fine, it must be the fact that it's also detecting a collision that makes the sound lag. If I want to be able to play sounds quickly and on the spot without any sort of lag am I doing the right thing? Do I want to use another method? I'm not using any frameworks like cocos2d. If you need to see any more code just ask.

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• Creating Java EE Projects with Maven

  - by M.C.

  I've been developing Java EE web apps with Eclipse for about a year. My employer doesn't use Maven, but the more I read about it, the more convinced I am that Maven + Hudson will be greatly beneficial for us. First, though, I have to become comfortable with those technologies in my spare time, so that I can create a proof-of-concept. Right now, I'm still a Maven newbie. Is there a set of best practices for creating Java EE web apps with Maven? For example, I could create a project with a basic archetype and then add all of the necessary JARs by putting dependencies in the POM for the servlet container, EJB, EclipseLink, etc... That might work, but it might not be the best way to do it. I'd greatly appreciate any guidance that you could provide on this topic.

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• Less known Solaris features: pwait

  - by user13366125

  This is a nifty small tool that i'm using quite often in scripts that stop something and do some tasks afterwards and i don't want to hassle around with the contract file system. It's not a cool feature, but it's useful and relatively less known. An example: As i wrote long ago, you should never use kill -9 because often the normal kill is intercepted by the application and it starts to do some clean up tasks first before really stopping the process. So just because kill has returned, it doesn't imply that the process is away. How do you wait for process to disappear? (more)

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• Rewritten NetBeans Platform Feed Reader Tutorial

  - by Geertjan

  The next tutorial that has been thoroughly restructured and rewritten is: NetBeans Platform Feed Reader Tutorial Originally written by Rich Unger, it was one of the very first NetBeans Platform tutorials that ever existed. In this particular rewrite, the entire structure of the tutorial has changed, in an attempt to make the flow more "bite size", rather than a big lump. Also, thanks to recent NetBeans Platform changes, there are no Bundle files anymore, all Strings are declared via @Messages annotations. Theoretically, the browser in the application could be a JavaFX WebView, though the browser part of the application isn't a central theme of the tutorial, hence only a reference is made to the JavaFX alternative. Here's what it looks like: Comments to the NetBeans Platform Feed Reader Tutorial are, as always, very welcome. 

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• Better php framework for shared hosting

  - by ravz

  I need to develop an app for booking appointments. This is gonna be hosted in a shared server. So performance is the most important thing. I have used symfony2. I quite liked the framework. But seems to be heavy. Which framework would suit me considering my requirements? I have shortlisted three frameworks yii, symfony2 and ZF2. I am not asking which framework is better. All the three are good frameworks. I want to know which will suit my requirements. My first priority would be performance (I will be using AJAX wherever possible), second would be maintenance and development time and third community support. Or should I use my own handlers to separate views and logic and just use raw php?

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• Ubuntu server upgrade 11.04 to 11.10 fails

  - by DLosc

  I'm actually trying to upgrade my Ubuntu 11.04 server to 12.04, but I have to go through 11.10 first, right? Well, do-release-upgrade is failing miserably. Here are some representative screenshots: Screenshot 1 Screenshot 2 Screenshot 3 Screenshot 4 And finally... Yeah. I found this question, which appears to have similar errors, but I've tried all of the suggestions given there and nothing has changed. I tried running apt-get dist-upgrade; it churned for a while and eventually came back with "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?" Ran apt-get update and got much the same kinds of error messages I got from do-release-upgrade. Any ideas/suggestions/solutions? Should I try downloading & upgrading from the CD instead? I'm glad to provide any further information I've forgotten.

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• Using UNION in a query with PHP [migrated]

  - by work

  I have an SQL query which links 3 tables using UNION: $sql ="(SELECT Drive.DriveID,Ram.Memory from Drive,Ram where Drive.DriveID = Ram.RamID) UNION (SELECT Drive.DriveID,External.Memory from Drive, External where Drive.DriveID = External.ExtID)"; Suppose I want to get Ram.Name as well. How do I do this? If I use Ram.Name in the first SELECT statement it would not produce the correct result. Any method for tackling this? I want to do it using UNION.

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• What's New in JMS 2 - Part 1

  - by reza_rahman

  JMS 2 is one of the most significant parts of Java EE 7. One of the principal goals of the JMS 2 API is improving developer productivity by reducing the amount of code to work with JMS by adopting programming paradigms like higher level abstractions, dependency injection, annotations, runtime exceptions, the builder pattern and intelligent defaults. In a recent OTN article, JMS 2 specification lead Nigel Deakin covers the ease-of-use changes in detail. The article is the first of a two part series on JMS 2. For more visual folks, there is my JMS 2 slide deck: What’s New in Java Message Service 2 from Reza Rahman You can also check out the official specification yourself or try things out with the newly released Java EE 7 SDK.

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• Sound issues in 14.4

  - by RMartinezG

  God Day. This is my first day with you people so please acept my apologies whether something is not good enough or my english is no that good. To the point ------------------------------------------ After upgrading from 13.10 to 14.4 my sound was lost. Even I've tryied several sugestions from you (and other helpers) I've got nothing. My dual (UBUNTU/WINDOWS) Desktop sound works fine in windows!!!(damm!!) my DELL Inspiration laptop sound works fine in UBUNTU 14.4 LTS. ¿?¿? Do anybody knows Which is actually the origin of the problem? Is there any solution diferent to assay-error metodology? Is'nt every newer version of UBUNTU enough double checked before releasing it? Thanks for youo help sudo apt-get install -a indulgence_with_me

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• Wordpress Mobile Edition, Wordpress Mobile Pack, WPTouch - Which one and how?

  - by heartcode

  Hi everyone, First of all, Happy New Year! I am thinking about making my blog accessible and enjoyable on mobile devices (as many handsets as possible). I am using Wordpress 3.0.4. What I've found is couple of cool plugins like WPTouch (for touch enabled devices), The Wordpress Mobile Edition and the Wordpress Mobile Pack. I am wondering which one is the best to use if I can use only one. If I can use more or (even all these three) are they compatible? Does anyone have any experiences in this topic? If so I would much appreciate some advices or best practice links. Happy 2011, thanks in advance, Rob

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• Can't Make Changes via FTP on my Ubuntu Server

  - by Rev

  I'm very new to server management, I literally just set this up for the first time a couple weeks ago, no idea what I'm doing. In order to allow WordPress to run updates, apparently everything needs to be owned by www-data, but if everything is owned by www-data, I can't FTP with the user revxx14. When I try, I can't make any changes (deletions, additions, updating files, nothing. I get permission denied errors across the board). Is there a way to give my user the same permissions as www-data, so that I'll be able to keep www-data the owner, but still be able to make changes via FTP? Thanks.

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• How to get a good picture of the health of a level-based game from analytics?

  - by ADB

  I am designing a level-based game where the user completes the level 1, then 2, 3 and so on. There are 200 levels and each is rather short: 60-ish seconds. I am tracking Each played, completed (cleared for the first time), failed and cleared level Milestones: number of players to reach level 1, 5, 10, etc. Also for number of failed and played levels. Separate new players from returning ones. However, I still find it difficult to get a clear picture of what is going on from the stats. So what are the best practices for determining where I am losing players?

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• Defcon totally screwed up my system!

  - by Draeton

  I'm using Ubuntu 12.04. Downloaded and ran a game called Defcon, by Introversion Software, and then my display problems began! At first, my smallest monitor stopped receiving input. Then, when I exit the game, still no input & I look at the 'Display' System Settings menu and it is off. I try switching it back on, and my system totally crashes. I restart my system, and try two more times at switching it back on, before I go back to basics and switch mirroring on before switching that monitor on. Now I've switched mirroring off, but if I set the resolution for my largest monitor above that of my other monitor, my system crashes! What the heck! Does anyone have a solution to my problems?

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• multiple languages same pages shall I change the page URL path as well?

  - by Athanatos

  We own multiple country code top-level domains for our website e.g DE, UK ,FR. When someone visits for one of those domains they redirect to .com and the language automatically changes for the first time to the one from the originating domain. Also users can change the language from the .com website using a dropdown, however the page URI stays exactly the same e.g service.php. How will that be indexed in Google ? Will all the different language will be indexed or only the default lang (English) ? Is it recommended for SEO purposes to do something with the page URL (even using the htaccess maybe) so that I can also append to the title or page name the language ? e.g service.php?lang=fr

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