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  • Problem with webcam after changing camera input to my iPhone's camera [closed]

    - by andrew
    While trying to use my iPhone as a webcam I changed the paths for the camera input - now I can neither use the built-in webcam nor my iPhone's camera This is the website where I got the information from: http://www.kudanai.com/2010/11/howto-use-your-iphone-as-webcam-in.html I got stuck at the loopback part. I would just like to know how to set the path back to my built-in camera so I can at least use that. Or if there is some way to reset the camera input settings. I'm using an Inspiron 1525 running Ubuntu 12.04 LTS. memory:2.9 GiB Processor:Intel® Core™2 Duo CPU T5750 @ 2.00GHz × 2 OS type: 64-bit

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  • "Cannot import name genshi" error when installing the Swab library

    - by ATMathew
    I'm trying to install the Swab library for Python 2.6 in Ubuntu 10.10. However, I get the following error messages when I try to import it. In the terminal I ran: sudo easy_install swab sudo easy_install Genshi In the Python interpreter I ran: >>> import swab Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/local/lib/python2.6/dist-packages/swab-0.1.2-py2.6.egg/swab/__init__.py", line 23, in <module> from pestotools.genshi import genshi, render_docstring ImportError: cannot import name genshi I don't know whats going on. can anyone help.

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  • 2nd instance of Firefox does not obey GTK2 customizations

    - by Cocoro Cara
    Hi On Ubuntu 10.10 I started a 2nd instance of Firefox using the command: $ firefox -ProfileManager -no-remote & Created a new profile and everything works smoothly except for the fact that this instance of FF does not obey by GTK2 customizations that I have placed in ~/.gtkrc-2.0 Moreover, only SOME of the customizations are not obeyed. For example, the vertical scrollbars are supposed to be on the left, but they are on the right. The scrollbar arrows are together (Mac-like) as specified, so is the scrollbar width. The first instance obeys all customizations with scrollbars on the left. Any ideas?

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  • Graphic Card Installation Failure (NV 9600M GT)

    - by Georg
    I wanted to switch from 7 to Ubuntu. Now, the first thing that holds me back is the installation of the driver for my Nvidia 9600M GT. Ubuntu recommends me 4 drivers from the "Additional Driver" Section. Now, whatever driver I install, there are four things happening RANDOMLY after rebooting: The pc freezes before seeing bootup splash The pc freezes while seeing bootup splash image (ubuntu logo with the 5 dots) The pc gets into login screen and freezes instantly (Thought the unity-bar is transparent now) The pc freezes right after beeing able to login. (While this is happening the unity-bar changes from transparent to ugly-flat-style) I also tried to install the official Nvidia .run file but after exiting the X-Server, it says the driver is not compatible with the kernel and exits installation. Can somebody help me? I really wanna get rid of Windows :( But Ubuntu drives me perfectly insane. Please answer as noobish as possible. I'm an expert Windows user, but Linux is absolutely new to me. My Specs: Ubuntu 11.10 installed from USB Stick (like 100 times now :/ because I dont know how to remove the driver in recovery mode) 9600M GT 4GB Ram Intel Centrino 2 Dual Core 2.26GHz Win 7 and Ubuntu running along side. Thank you in advance, regards.

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  • EVOLUTION: No such Calendar

    - by Dennis
    I am using a google calendar with evolution for quite a while now. I was never having any troubles. Just recently, I suppose just after an update, whenever I want to create a new event in evolution (for the just mentioned google calendar) I get the err message "No such calendar". When I dismiss changes an re-open evolution the entry has been added anyway. This is somewhat annoying. I googled, but haven't found anything yet which suggests that it not problem many people have!? Looking for help, maybe someone here knows an answer! I appreciate any suggestion! Cheers, Dennis

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  • How do I prevent having to log in on 3 separate prompts every time I start my machine?

    - by JC
    Ubuntu 11.04 Natty Narwhal, Ubuntu Classic desktop Each time I start my machine, I have to log in 3 times. I spent a week in IRCFreenode#ubuntu and got nothing but condescension. I've searched on the official Ubuntu fora for similar problems, tried every recommendation, and still get 3 login screens. As a workaround, I have reset login such that I get a login screen at startup, which I'd prefer not to get since this machine is accessible by no one but me, physically. I have gone into System Preferences Passwords and Encryption Keys, set first 'Passwords: default' to 'Default' and unlocked it, and unlocked the 'Passwords: login' key, too. Next, since that changed nothing, I set 'Passwords: login' to 'Default', and checked to make sure it was still unlocked. Again, no change, still get 3 login prompts at startup. I've checked twice to insure that I am the owner of the files; I am. At the suggestion of several people in #ubuntu, I've deleted first one, then the other password key in 'Passwords and Encryption Keys'. Still get 3 login prompts. I changed from the Unity desktop to Ubuntu Classic. While that didn't fix the above problem, it is a much more elegant desktop than Unity, and I'll keep it. From what I've read, this seems to be a Seahorse issue, but beyond that, no one seems to have a solution that works. I'm lost. This shouldn't be this difficult or annoying. I'm trying to help our local Old Time music collective get their machines switched over to Ubuntu in order to save them some money which they can use to promote their DRM-free music. But from what I've seen of Ubuntu so far on my own machine, I can't really recommend that they make this switch. I hope to be proved wrong on that point. But as it stands, if I was out of town or out of country and they ran into a problem, they'd have no way of fixing it as they're all less experienced than even I am. I'm not trying to cast aspersions on Ubuntu or Linux, but it seems pretty clear that KNOWLEDGEABLE, HELPFUL support for Ubuntu is lacking barring any desire on the problem-experiencing-user's part to avoid condescension. Having worked with, and run, several non-profits over the past 20 years, I know that getting volunteers to act professionally can be like herding cats. But an organization's reputation can be denigrated by sarcastic behaviors on the part of those who serve, effectively, as its public face. Thank you all for your help and support. Now...does anyone have a solution to my problem?

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  • Release upgrade crashes with "W:Failed to fetch http://host/debian/dists/oneiric/Release.gpg"

    - by Nolan Dillard
    My update manager told me that it has not checked for updates in the past 18 days, so I clicked the "check" button. It works just fine until a certain point where it says "Downloading release". The loading bar moves across the screen for a while on that message, then it just stops and says to check my Internet connection. I am fairly certain that my Internet is fine, as I can do anything else that I have tried, including installing software over the Internet. I clicked on "Details" and this is what turned up: Log

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  • How does one handle an incorrect resource file?

    - by AedonEtLIRA
    I'm starting the parser that will handle one of the key features of my app and realizing exactly who easy it would be for me to screw up a resource file that is provided to the application. For example, a simple resource that I provide to my app is a JSON file that contains an entity layout (name, fascia, location etc...). It would be easy for me to leave out the name of the entity or misspell the JSON key. Obviously catastrophic failures during parsing are to be handled in a try/catch, but how would subtle failures (such as a dyslexic spelling of name) be handled?

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  • Good practice or service for monitoring unhandled application errors for a small organization

    - by palto
    I'm working with multiple software with varying ways of monitoring for errors. When I make software, I usually send email with the stack trace to admins(usually me). Some customer software is monitored by a team who check that a particular batch run was successfull. Other software might not have any monitoring at all(someone will call when things go wrong horribly). Sending emails is good, except when things start going wrong, my mail gets filled fast. Also I don't want to solve the same problem in code for every software. Is there some relatively cheap and low maintenance software or practice to handle this. I want it to be cheap/low maintenance because usually I work alone or in teams of 5 or smaller. For example it would be great if errors would be aggregated so I don't get 10 000 emails when something unexpected happens... For clarification: By unhandled errors I mean Exceptions that were unhandled by application code that were propagated to Tomcat or Jboss. I don't need help with how to catch those errors. I need help with what to do with them. Is there any cloud application that I could send my errors to? Or some simple server to install? Or some library that can handle errors using configuration files. I use Java if that is any help.

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  • 12.04 "Try Ubuntu without installing" results in graphical artifacts on MacBook

    - by ubuntukeks
    I am trying to bless my MacBookPro 5,3 (Unibody/Core2Duo/Nvidia 9400M+Nvidia 9600M GT) with Ubuntu 12.04 (already got rEFIt running), but every time I select Try Ubuntu without installing, it will lock up and always give me the same coloured graphical artifacts all over the screen. Whether I use a CD-ROM or a USB Stick, it does not change a thing. Is there anything else that can be done or am I stuck for now?

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  • How to restore GRUB without re-installing the OS?

    - by Calixte
    A friend of mine has a Packard Bell laptop that came with Windows pre-installed. I installed Ubuntu on it and it works fine, but everytime she tried to boot Windows on it (fortunately rarely) it fails and the computer is unable to boot any OS anymore. Upon boot, the computer stops on a black screen with a GRUB Rescue prompt. Is there any way to restore GRUB without re-installing Ubuntu? (preferably an easy way as I cannot do it for her and she is not extremely computer literate) Also (but less important), is there a way to configure GRUB (or something else) so that Windows won't destroy it on every boot attempt?

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  • Ubuntu 12, chromium/chrome facebook not loading

    - by Grant
    this problem started with chrome, tried chromium to fix it. both have this problem, and after installed firefox no longer works with facebook. I found a threas with two fixes that work and what I need to know is how to make these fixes permanent. one is a cache permissions workaround. launching chromium from terminal with a redirect to a new self created cache in the home folder works. how can i repair the permissions issue with the cache or make a permanent change to the cache chromium uses? two, the ifconfig wlan0 mtu set to 1492, this setting doesnt seem to be perpetual after a reboot. this set of issues is I believe specific to my particular install as there isnt a huge issue from anyone else out there, i'm on a toshiba satellite laptop with a 50/50 HDD partition split with windows. This is likely causing the issue or contributing in some way but I wont run linux full time on this machine until I get these kinks a more permanent fix. Thanks in advance for any advice/answers.

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  • what's wrong with my sitemap?

    - by cadrian
    Google Webmaster Tools says that my sitemap is in a wrong format. I don't see my mistake, I think I followed every guideline provided by Google. Can someone help me? <?xml version="1.0" encoding="UTF-8"?> <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"> <url> <loc>http://www.vocalcontraste.fr/</loc> </url> <url> <loc>http://www.vocalcontraste.fr/presentation/</loc> <lastmod>2012-01-30T21:49:06+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/les-concerts/</loc> <lastmod>2012-12-13T21:55:00+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/ecoutez-contraste/</loc> <lastmod>2012-07-13T18:19:45+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/repertoire/</loc> <lastmod>2012-07-13T17:30:14+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/la-presse/</loc> <lastmod>2012-07-11T08:17:48+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/recrutement/</loc> <lastmod>2012-02-01T22:22:03+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/nos-partenaires/</loc> <lastmod>2012-07-11T07:43:31+01:00</lastmod> </url> <url> <loc>http://www.vocalcontraste.fr/contactez-nous/</loc> <lastmod>2012-02-02T19:01:32+01:00</lastmod> </url> </urlset>

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  • Problems after distribution update

    - by Avariya
    I have Ubuntu 11.10. Yesterday I make some distribution updates with Update Manager. And now I can't start my Ubuntu. Video related: http://www.youtube.com/watch?v=nn2MT9h2muQ (you need 25th sec) 1. Starting Ubuntu(output on video) 2. Black screen 3. Then permanent dark gray screen Was related problem with updating from 11.04 to 11.10. Ufter that update Ubuntu not start too and I must reinstall Ubuntu. Help me pls and ask questions if needed.

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  • Broken Package on Update Manager

    - by Widy Graycloud
    I dont know what's wrong with my update manager.. It says that the softwares that I installed was broken. Maybe because I force shutdown my laptop, because Ubuntu wont shutdown,showing up desktop wallpaper but not title bar and launcher, but It won't shut down (+that's another bug). I've just update the broken softwares. the size is 60 to 70 MB.. But It doesn't work. Now I cannot update or install any software from Update Manager or Ubuntu Software Center. Can anybody tellme what's wrong? This is what appears when I use Update Manager I use Ubuntu Software Center, and this message appeared I chose repair and when it update the broken softwares using Ubuntu Software Center. It failed. And show up this message. The problem is I can't update or install any program from Ubuntu Software Center and Device Manager anymore. (I closed allprograms include ubuntu software center,and device manager in this case). Some one helpme? I tried to use apt-get install -f in terminal but it shows message like this: E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

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  • ORA-28001 the password has expired error in Solaris Cluster

    - by Onur Bingul
    Solaris Cluster start or stop Oracle database using credentials of a specified user in Oracle Database. If you have issues with starting of Oracle Database resource and see ORA-28001 error message in /var/adm/messages it means that database user's who is used by Solaris Cluster to start Oracle database, password has expired. To resolve the issue reset the password of the Oracle database user SQL> alter user user_name identified by password  and change connection string in Solaris Cluster using following command -bash-3.2 # /usr/cluster/bin/clresource set -p Connect_string="user/password" oracle_resource

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  • busybox initramfs prompt while attempting to install from live cd on 2nd hdd

    - by da92n
    busybox initramfs prompt while attempting to install from live cd on 2nd hdd I've created a partition in ext3 on my second hdd to intall linux however when i come to boot the CD i get directed to a busybox prompt with no other choice than help. Other topics i've read on the subject where bound to the idea ubuntu has been already installed, and that the partition needs to be just indicated or else... But since i've no ubuntu installed, neither have i any partition that ubuntu should consider like that... How can i go through that?

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  • subdomain not working and added /mysubdomains/devsitename

    - by krish
    I am having a site www.example.com which working fine and I have a number of sub-domains which are working fine except one. When I gave the url subdomain.example.com the address bar showing as below subdomain.example.com --> www.subdomain.example.com/mysubdomains/devsitename It added the www and the /mysubdomain/devsitename which is my hosted directory in my server. Then it came up with the website you were looking for is unavailable. Has anyone experienced this issue? Do you know how to resolve this?

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  • Is possible to write too many asserts?

    - by Lex Fridman
    I am a big fan of writing assert checks in C++ code as a way to catch cases during development that cannot possibly happen but do happen because of logic bugs in my program. This is a good practice in general. However, I've noticed that some functions I write (which are part of a complex class) have 5+ asserts which feels like it could potentially be a bad programming practice, in terms of readability and maintainability. I think it's still great, as each one requires me to think about pre- and post-conditions of functions and they really do help catch bugs. However, I just wanted to put this out there to ask if there is a better paradigms for catching logic errors in cases when a large number of checks is necessary.

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  • 'unknown filesystem' grub rescue prompt; trying to wipe drive and boot 10.10 live

    - by Patrick
    Im currently running Win7, and want to wipe the drive and install 10.10. I have 10.10 loaded on a USB thumbdrive and it sees the device in BIOS but it only reaches a screen saying; Unknown Filesystem grub rescue> Ive read several results from google and a couple here where people are trying to dual boot and i assume save the data on the drive, but i dont care about doing that, and would prefer to just wipe the drive and start fresh. What steps can i take to get the drive to a point where i can load 10.10 live and get it installed?

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  • creating a bootable USB stick on OS X

    - by Rob
    I'm trying to create a bootable USB stick on OS X using http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx When this finishes, I get a message in terminal saying "695+1 records in 695+1 records out 729067520 bytes transferred in 264.563662 secs (2755736 bytes/sec)" But a message pops up saying "The disk you inserted was not readable by this computer" Options are Initialize, Ignore or Eject. What am I doing wrong or omitting. (oh - complete novice)

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  • 11.10 - Update Manager Not working

    - by Mattlinux1
    W:Failed to fetch cdrom://Ubuntu 11.10 Oneiric Ocelot - Release i386 (20111012)/dists/oneiric/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs , W:Failed to fetch cdrom://Ubuntu 11.10 Oneiric Ocelot - Release i386 (20111012)/dists/oneiric/restricted/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs , E:Some index files failed to download. They have been ignored, or old ones used instead. This happens when i hit the check button? and the updates were working before.

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  • LiveCD not booting/can't install Ubuntu 11.04

    - by user20318
    So, i got a new laptop somedays ago and as usualy, i went formated it to install Ubuntu. Download 11.04 and burned it on my pendrive using my old laptop (running 11.04). When i tryed to boot from the LiveUSB on my new laptop, it just showed me some weird graphics and if i select any option (can't see what im selecting), it gives me a black screen and that is all. Then i tryed to boot with this LiveUSB on my old laptop, and it worked just fine ._. Burned a CD with Ubuntu 11.04 (64bits) and the problem continue. Then i tought it could be my CD Driver, since the laptop is new and all... burned a Windows 7 64 bits DVD and it worked just fine. Also, if i check the CD/Pendrive inside Windows Seven, all the files there are ok. Anyone have any idea of what can be? I found lots of questions about this, but none of them had the weird menus i'm getting ._. oohh... i also get a "prefix is not set" before the weird menu appears :S My sis specs: Intel Core i5 2400 Intel HD 3000 4gb DDR3 If anyone can help, i will be really greatfull ._.

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  • Handle php out of memory error

    - by PeterMmm
    I have a Drupal based web site on a relative small vserver (512MB RAM). Recently the website begins to return php out of memory messages like this: Fatal error: Out of memory (allocated 17039360) (tried to allocate 77824 bytes) in /home/... All php.ini memory limit parameters are set to off (-1). Propably the website has gained of complexity, content, etc. But I cannot interpret fine that message: Does that mean that the whole request has allocated 17MB(?) right now and cannot get 7MB(?) more from the OS. Has the web server spend all memory or has the OS no more memory to allocate ? I'm not shure if the memory overhead is coming from the web server or another service, because when I get the out-of-memoy message I can't get into the server with ssh. After a while all runs fine again.

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  • Why creating a new MDX language instead of extending SQL?

    - by DReispt
    I have a long experience with SQL, but recently began working with datawarehouse and OLAP technologies: building fact and dimension tables, that then are queried using MDX (MultiDimensional eXpressions). The problem is that MDX works with a completely different logic compared to SQL, and it's a whole new learning curve even for someone with a strong SQL background. Yes, MDX allows you to do things that would be hard or almost impossible with plain SQL. But sometimes it's frustrating to be hours around an MDX to do something you know you could achieve in minutes using SQL (ok, you can tell me to RTFM ...). But why go on to the trouble of creating a new completely different language when you could build on SQL, extend it to add the features needed by OLAP applications?

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