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• NVIDIA 560 TI driver install ubuntu 14.04 leads to "missing on display" error

  - by allthosemiles

  Currently on my Ubuntu 14.04 install, I boot it up install the latest updates and attempt to install the NVIDIA drivers from xorg-edgers while following the top answer on this post Installing Nvidia Drivers It installs 304 for my card and when I check the "glxinfo | grep OpenGL" I have about 8 lines that read Xlib: extension "NV-GLX" missing on display ":0". I did the "sudo apt-get install nvidia-current" to get the latest. I install it but didn't see any errors in the terminal. I'm not sure what I'm doing wrong here. I'm not a complete beginner with Linux so I can find my way around just fine but I can't find a solution to this issue. Should I have done one of these two instead? sudo apt-get install nvidia-304 sudo apt-get install nvidia-graphics-drivers-304

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• Invisible boundary on Synergy client

  - by Jayson Rowe

  I have a Desktop system (named 'desktop') with 2 monitors attached (one 1680x1050 and another 1920x1080 resolution), running a synergy server. I also have a small ITX machine (named 'tiny') to my right that has a single monitor running at 1280x1024. The dual-monitor desktop is the synergy "server" and the single monitor system is the "client". Synergy works fine with one exception; if I move the mouse to the client, I can't move my mouse below the top two-thirds of the screen - it just stops. I can grab a mouse attached to the computer, and it moves all the way down, but as soon as I touch the mouse attached to the server, it jumps back to the top of the screen. Is there an issue with my config? section: screens desktop: tiny: end section: links desktop: right = tiny tiny: left = desktop end Thanks in advance for any suggestions. +----------------------------+-----------------------------+ | | | | | | | | +-----------------+ | | | | | desktop 1680x1050 | desktop 1920x1080 | | | | | | | | | tiny 1280x1024 | | | |+---------------+| | | |XXXXXXXXXXXXXXXXX| +----------------------------+-----------------------------+-----------------+

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• Opening images sorted by modification date/size/type/etc

  - by menino bolinho

  Suppose I have a folder with pictures in them. If I sort them by name once I open one with Image Viewer and navigate to the others the order is respected. But if I sort my files by modification date, for example, I can't do that. Basically, the default Image Viewer only lets you navigate images by name. According to this post on the ubuntuforums this has been an issue since 2007! Is there a good/easy way to fix it? Seems like such a trivial thing to me.

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• Jupiter seems to break multimonitor setup

  - by Philippe

  If Jupiter is in the startup my multimonitor setup will fail. Instead of two separate desktops the monitors will be mirrored, one over the other with the smaller notebook-desktop in the larger screen: After each new log-in I have to reset the Display settings in the "System Settings..." dialogue to two not mirrored screens, the changes don't seem to be saved. Given the the entry from xsession-errors /usr/lib/jupiter/scripts/resolutions: line 42: /var/jupiter/available_resolutions_LVDS: Permission denied I assumed that it's coming from Jupiter. Infact, if Jupiter is removed as startup application the desktop settings are fine. Any idea how to solve that issue?

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• Can non-IT people learn and take advantage of regular expressions? [closed]

  - by user1598390

  Often times, not-IT people has to deal with massive text data, clean it, filter it, modify it. Often times normal office tools like Excel lack the tools to make complex search and replace operations on text. Could this people benefit from regexps ? Can regexp be taught to them ? Are regular expressions the exclusive domain of programmers and unix/linux technicians ? Can they be learned by non-IT people, given regexps are not a programming language? Is this a valid or achievable goal to make some users regexp-literate through appopriate training ? Have you have any experiences on this issue? and if so, have it been successful ?

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• GNOME Shell Overview animation is slow on my NVIDIA 320M

  - by AllanCaeg

  I'm running Ubuntu 10.10 on my MacBook Air 11" (late 2010 model 3,1). Compiz runs fine, as well as most of GNOME Shell's animations. The animation for switching to and from GNOME Shell overview is just very slow. Unfortunately, it's the most common animation on Shell. I already applied cd ~/gnome-shell/source/gnome-shell $ curl http://bugzilla-attachments.gnome.org/attachment.cgi?id=157326 > shell-animations-nvidia.patch $ git am shell-animations-nvidia.pat that I found from http://live.gnome.org/GnomeShell/SwatList , but the issue's still here. How do I fix this?

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• How to make people new to programming stop asking me questions and distracting me?

  - by Radek S

  I am at secondary school right now and I'm the only one in my class who is experienced with programming. Because of that, people are constantly distracting me while I'm writing code to ask me to solve a problem. Usually I reply with something like 'I don't know, I never use that' but I don't want to lie to people. Another problem is that I became so well known for this that even students from other classes are asking me questions. I find this damn annoying. Thirdly, if I solve a problem for them they don't learn anything from it. How can I stop people from asking me programming-related questions in a kind way? I really don't like the lessons anymore (I am also punished with the need to use Windows, but that's less of an issue), but just don't visiting them is illegal by law.

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• Power management issues on an Asus N55

  - by Andrea Borga

  I noticed that with respect to Win7 on my Asus N55 Ubuntu 12.04 tend to overheat the system. After startup the fan controller takes control of the fan, I could here it slowing down, after a few second following a login the fan increases its speed again. Though there are no processor hungry process: top shows only Xorg consuming 4%. Even with the system monitor the CPUs load look ok. Is it a power management related problem? This can cause battery life troubles in general, and electronics is never happy to be overheated. Is there a better tool to root the cause of the issue?

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• How to troubleshoot Ubuntu One in Maverick beta?

  - by greggory.hz

  I just updated to the Maverick beta (actually it's a fresh install, and not an upgrade of 10.04). But now "Ubuntu One" doesn't show up in my me-menu thing. In addition, when I go to Ubuntu One from System-Preferences and attempt to log in from there it will sometimes look like it works, but other times it won't do anything. When I go to the command line and type u1sdtool -s it will either say something like "doing auth dance" or "auth failed" and often it has never even prompted me to log in or try to get a new password (even though I know it's correct). Anyway, this is the main hangup I have with the Maverick beta. I can't get to my ubuntu one account from the native client. Is this a widespread issue? Is there something I can do to fix this?

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• Display settings changes automatically with dual monitors in 12.04 and 12.10 AMD

  - by Johan Hovda

  Dual monitors works fine, except that the settings suddenly change. This happens very often, sometimes several times in a few minutes. It is very irritating having to set the settings again each time. Suddenly mirroring is set to on, sometimes the monitor switch places (from left to right and so on), and most of the times the screen resolutions are also changed. I use Gnome Shell. I have tried unity with the same result. I use an open driver. I have earlier used fglrx, with some better results (still happens, but not so often), but can't install it sucsessfully after upgrading to ubuntu 12.10. I know there is a similar question about this issue, but it's not answered. I hope someone can help me.

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• Why we do not use PowerConnect to access PeopleSoft Tree

  - by dylan.wan

  1. It does not allow you to use parameters to the PeopleSoft connect. It may be changed later. However, it was a big issue when we try to address customer issues. 2. It requires EFFDT as an option. It expect that people change the EFFDT using Mapping Editor. How can a business user does that every month? 3. It asks for a Tree Name. Many PeopleSoft tree structure supports multiple trees. Tree is just a header of the hierarchy. Whenever you add a new Tree, you need to create a new mapping!! It does not make sense to use PowerConnect due to the customer demands. All requirements are from customers. We have no choice but stop using it.

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• How can I refactor client side functionality to create a product line-like generic design?

  - by Nupul

  Assume the following situation similar to that of Stack Overflow: I have a system with a front-end that can perform various manipulations on the data (by sending messages to REST back-end): Posting Editing and deleting Adding labels and tags Now in the first version we created it well modularized but the need as of now for 'evolving' the system similar to Stack Overflow. My question is how best to separate the commonality and how to incorporate the variability with respect to the following: Commonality: The above 'functionalities' and sending/receiving the data from the server Look and feel (also a variability as explained below) HTTP verbs associated with the above actions Variability: The RESTful URLs where the requests are sent The text/style of the UI (the commonality is analogous to Stack Overflow - the functionality of upvotes, posting a question remains the same, but the words, the icons, the look and feel is still different across sites) I think this is entirely a client-side code organization/refactoring issue. I'm heavily using jQuery, javascript and backbone for front-end development. My question is how best should I isolate the same to be able to create multiple such aspects to the tool we are currently working on?

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• Blank desktop when logging in via xrdp

  - by nitefrog

  I am trying to access Ubuntu 11.10 using Remote Desktop from a Win 7 machine. I installed xrdp. I launch the Windows remote desktop client and login in. I then get prompted for the user name and password. It then logs in, but all I see is the background, no menus, nothing. I have to kill remote desktop by closing it. Even if I right click , nothing. Any ideas??? The only reason I even went down the RDP road was that VNC would not work either, even after I enabled desktop sharing. I am in a bind as I need to connect to Ubuntu via Windows. In version 8 Ubuntu this was not an issue and it just worked.

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• Minimum brightness level is brighter than the levels just above it

  - by greggory.hz

  I'm using a macbook pro 8,1. When I use the brightness keys on the keyboard, decreasing the brightness works until it reaches the lowest brightness level. At that point (when on the lowest level), the brightness is something like 70 or 80% instead of 0-10% (or whatever it usually is). All the other levels are fine. How can I adjust/calibrate these brightness controls? PS: I'm currently using 12.04 but I've had the same issue no later than 11.10 (and I'm fairly confident it was present in 11.04 as well). UPDATE: If I go to System Settings and select "Brightness and Lock" the exact same thing happens, but there is more fine grained control of the brightness. It goes to completely black when the dial is about 10% from the left edge. When it passes that point, anywhere inside that left 10% appears to be about 70 - 80% brightness (there's no change regardless of where the dial is in this section).

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• Problem with homepage's SEO when using subfolders in a multi language website

  - by Antonio

  After watching a hundreds of threads about multilanguage website I haven't found an answer to my specific problem, so I think its not a common issue and I must have done something terribly wrong ;-) We have a brand.com website in DE main language and the following subfolders: /de/ = canonical of / + redirect to / /it/ /en/ When I crawl google.com for EN keywords or google.it for IT keywords then I get as results the homepage in German language (both title and description) as the top result with no trace of the /it/ or the /en/ homepage. Is this because /it/ and /en/ both needs a separate link building strategy? I've already configured Google webmaster tool into the following way: brand.com, no language preference brand.com/de/, de language brand.com/it/, it language brand.com/en/, en language Perhaps having "/" as DE main page is it wrong and I should use a different approach? i.e. like having "/" to be a 301 to /de/ instead ? Thanks in advance.

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• Video capture Performance

  - by volting

  I have noticed high CPU utilization in a number of applications (except mplayer) which read from the embedded webcam on my laptop. Bizarrely CPU utilization varies proportionately to the level of illumination present. I know that that high CPU usage has nothing to do with rendering the video, as I have written a simple app using the OpenCV library to simply grab frames from the webcam, and cpu usage is still high. I think that mplayer might be using my GPU (and the other apps aren't), but since its not an issue with rendering, I dont think this explains anything. Cheese Low light --- ~12% CPU Bright Light ---- ~63% CPU Camorama Low light --- ~7% CPU Bright Light ---- ~30% CPU Opencv C++ library, (display in a single highgui window) Low light --- ~13% CPU Bright Light ---- ~40% CPU (same test on windows 7, 4-9%) Mplayer No problem, 1-2% regardless of light levels Note: If all I want't to do is capture a feed from my webcam I would use mplayer and forget about it, but I'm developing an application which uses the OpenCV to capture a video feed among other things, performance is important.

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• redirect non-www to www while preserving protocol

  - by Waleed Hamra

  I am aware of the fact that there are tons of questions in this section and in server fault dealing with redirections from non-www to www URLs. But I couldn't find one dealing with this issue while preserving protocol. I am no mod-rewrite expert, and my code is just copy/pasted... here's what i have: RewriteCond %{HTTP_HOST} ^domain.tld$ [NC] RewriteRule ^(.*)$ http://www.domain.tld$1 [R=301,L] So now http://domain.tld and https://domain.tld are forwarded to http://domain.tld How do i make it so that https stays on https while http stays on http?

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• Used DBAN to wipe Lenovo u410 then installed Ubuntu. Need to install windows 8, but I get an error.

  - by David

  When I try to boot from my windows 8 USB (tested on a separate PC), I get this error text "The boot configuration data for your pc is missing or contains errors." I want to install windows again so I can fix a battery issue I'm having. Lenovo's power management app has an option to keep the battery at 60% if the laptop stays plugged in most of the time. I enabled this, then formatted without changing it back. I think there might be a raid setup that I may need to remove or something. I don't mind removing Ubuntu and starting fresh. I would just love some help with all this, I'm a noob when it comes to Linux.

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• How to show an "or includes" relationship - UML Use case diagram

  - by TheNewBlack

  I haven't come across this issue before and can't find it in my Schaum's Outline UML book and was wondering if someone here could help. I'm making a use case diagram for e-commerce, and in it I want to describe that in order to add a book to your shopping basket, you have to either search products (using the websites search engine) or browse products (using navigation). But the thing is that it can be either one, and not both. Is there a way to show that adding a product to the basket needs to include either this or that? Because otherwise it would look like it needs to include both. Or should I join the two use cases (search products and browse products) into one?

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• Has MyEclipse implicit breakpoint in debugging mode in class URLClassPath [migrated]

  - by MJM

  I am beginner in MyEclipse IDEA. I using 8.6.1 version of it. My issue is: When I execute my program in debug mode, MyEclipse go to sun.misc.URLClassPath class and I must Resume breakpoint(by pressing F8 key) and continue executing my program. MyEclipse stay in URLClassPath class in following thread stack: 1. URLClassPath$JarLoader.<init>(URL, URLStreamHandler, HashMap) line: 581 2. URLClassPath$JarLoader.ensureOpen() line: 631 3. URLClassPath$JarLoader.getJarFile(URL) line: 641 4. URLClassPath$JarLoader.ensureOpen() line: 631 Note: this event happen when some jar file exist in my project Build-Path but when my application is simple this problem don't make and first breakpoint is my first breakpoint. Why this event happened?

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• What is the Policy for Updating grub-pc in LTS?

  - by nutznboltz

  After having attempted an SRU request for a small patch to grub-pc for 10.04 LTS that fixes an issue that has left many people with unbootable servers nothing has been done for some time. The patch went through d-i into Maverick and only modifies a small amount of a single *.c file over a year ago. I updated the ticket with a debdiff of the patch and rebuilt the current grub-pc package plus the patch in a PPA and changed the ticket description to be the SRU request format subscribed the "sru" and "sponsors" teams but then nothing happened. Is there some policy against updating grub-pc in LTS that I don't know about? Thanks.

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• Set Up Of Common Name Of SSL Certificate To Protect Plesk Panel

  - by Cbomb

  A PCI Compliance scanner is balking that the self signed SSL certificate protecting secure access to Plesk Panel contains a name mismatch between the location of the Plesk Panel and the name on the certificate, namely the self-signed cert's name is "Parallels" and the domain to reach Plesk is 'ip address:8443'. So I figured I would go ahead and get a free SSL certificate to try to fiddle with this error. But when I generated the certificate I used my server domain name as the site name when I generated the certificate. So if I visit 'domain name:8443' all is fine, no ssl warning. But if I visit 'ip address:8443' (which I believe is what the scanner does) I get the certificate name mismatch error, Digicert's ssl checker says that the certificate name should be the ip address. Can I even generate a certificate whose common name is the ip address? I am tempted to say I should just do what the PCI scanner accepts, but what is really the correct common name to use? Anybody run into this issue before?

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• Network traffic monitoring for unexperienced users

  - by Eduardo Casteluci

  I'm a really unexperienced Ubuntu user and I'm having a hard time monitoring my network traffic. I just need to know what websites each one of the devices connected to my network are accessing. I've tried to use ntop, but I couldn't work around it. Is that possible? I mean, is it possible to know that kind of data only by specifing a local IP address? How can I do that? It's a security issue that I'm facing and I need to work that "easy" monitoring out. Thanks

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• Recover files from NTFS drive with bad sectors

  - by Martin

  A few nights ago I have created a backup of my data on an external 500 GB NTFS USB hard drive. I have then formatted my computer, reinstalled Ubuntu and started transferring back the data from the external HDD. Unfortunately some files have became corrupted and Ubuntu is unable to copy them over. The same issue happens if I login using Windows 7. Disk Utility detects with SMART that there are "a few bad sectors". Some of files are perfectly intact, but other files cannot be accessed (nor read, copied...) although they are displayed within nautilus and show the correct file size. Is there anything I can do to recover this data? I have thought of using TestDisk but this utility seems more useful for repairing lost partitions or deleted files. I have also thought of using ddrescue so I could at least have a low level copy of the disk but I am not sure what use to make of it in order to recover the data!!!

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• Rendering Unity across multiple monitors

  - by N0xus

  At the moment I am trying to get unity to run across 2 monitors. I've done some research and know that this is, strictly, possible. There is a workaround where you basically have to fluff your window size in order to get unity to render across both monitors. What I've done is create a new custom screen resolution that takes in the width of both of my monitors, as seen in the following image, its the 3840 x 1080: How ever, when I go to run my unity game exe that size isn't available. All I get is the following: My custom size should be at the very bottom, but isn't. Is there something I haven't done, or missed, that will get unity to take in my custom screen size when it comes to running my game through its exe? Oddly enough, inside the unity editor, my custom screen size is picked up and I can have it set to that in my game window: Is there something that I have forgotten to do when I build and run the game from the file menu? Has someone ever beaten this issue before?

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