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How do I fix "malformed line" errors in sources.list?

- by david

I had problems with my movie player. The sound was fine but the picture seemed to hesitate or stick or pause every few seconds so I was looking for some help on how to do this. I tried to install a command in the terminal and got this message: E:Malformed line 68 in source list /etc/apt/sources.list (dist parse) Can someone tell me how to fix this problem. I cannot open the software center or the update manager. The only other option I can think of is to wipe everything out and do a clean install. Thank you.

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Ubuntu took away permissions from my Data partition

- by RobinJ

The pangolin has struck again. The bug of the day for today is Ubuntu taking away my permissions on my Data partition (NTFS). One moment everything worked fine, the next moment I couldn't chmod anything anymore. chown throws no errors or warnings at all, but nothing has changed either. chmod keeps saying Operation not permitted. I've been messing around with /etc/fstab as suggested by other answers on AskUbuntu, but none of them seem to have the desired effect. This is my current line: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=000,gid=46,permissions,users,auto,exec 0 0 For reference, this is the original one: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=007,gid=46 0 0 (right after the problem started occuring) What do I need to do so I am the owner of my own hard drive again? I want to be able to just use chmod and chown (without sudo) without being told that some mysterious alien has taken over control of my Data partition. I can still read and write, but execution permissions seem to be the problem.

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Is my Document Type Definition Still Up to Date?

- by Sam

Hi folks, currently all my php generated rich html webpages start with this line, which I have been adding to my tempaltes YEARS ago... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Am I still up to date and 2011-proof? or Should I be changing this into something fasterloaden/more agile/more flexible? I have heard of XHTML 1.1. When I remove this line all still works fine. Is it very much needed still? What are my alternatives? Thanks very much for your suggestions.

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Pixel alignment algorithm

- by user42325

I have a set of square blocks, I want to draw them in a window. I am sure the coordinates calculation is correct. But on the screen, some squares' edge overlap with other, some are not. I remember the problem is caused by accuracy of pixels. I remember there's a specific topic related to this kind of problem in 2D image rendering. But I don't remember what exactly it is, and how to solve it. Look at this screenshot. Each block should have a fixed width margin. But in the image, the vertical white line have different width.Though, the horizontal lines looks fine.

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Flash Webcam non responsive

- by powerbuoy

I've got the same problem as this gentleman: https://answers.launchpad.net/ubuntu/+source/flashplugin-nonfree/+question/176541 Where the webcam settings / access does not work at all / is completely unresponsive in Ubuntu 11.10. I've tried webcam access in Facebook, Google+, my own code + a number of tutorials/demos and none work. What happens is the settings dialogue is completely unresponsive. Clicking tabs or buttons does nothing. In the question linked to a suggested answer is to run Unity 2D. Unfortunately this does not work for me (the exact same thing happens). I've also tried Gnome 3 which also does not work. Note that it is only the webcam settings that don't work. YouTube videos and annoying banners work just fine. Does anyone know of a workaround for this (except going back to 11.04) or if they've fixed this in 12.04? - also, are any of you experiencing the same thing?

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Why are the colors worse on Ubuntu 12.04 than on Windows 7 on my Sony Vaio E-Series?

- by Simon Hoare

The colours look "lacking" and ever slightly blueish and rather washed-out and lacking in dimension. Graphics are ok - this page for example looks fine - but if I view something like a news site with high quality photos, the experience is not optimal and is noticeably inferior to Windows 7. Oddly, when I install Ubuntu as a VM on VirtualBox in Windows, the colours look as I expect them to. It's only on my dual-boot version of Ubuntu that they look wrong (not Wubi, although a previous Wubi-based installation had the same problem). Now, I have the proprietary ATI driver and I can use amdcccle to get the colours closer to what they should be, but I can't seem to do anything about colour depth. The depth settings in Xorg are all 24. I tried changing all three mentions of 24 to 32 but was forced into safety mode. Fortunately, I remembered where I'd been tinkering and got the file set back to 24.

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How to remove the graphical user interface?

- by Praveen Kumar

Ok my question is that, I want to run a heavy application, on a Virtual Machine (VirtualBox) with just 2 GB RAM (Windows 7 32Bit Host has 4 GB, 3.5 GB effective). Initially I thought of installing Ubuntu Server 12.04.1, which doesn't come with a GUI, so I thought it would be efficient in performance, but I have only Ubuntu 12.04 Desktop. My question is, is it possible to remove the GUI parts in Ubuntu 12.04 Desktop (Not Server), keeping only the core OS, after installation in a virtual machine? Or, is there anyway to improve the performance of the OS? If you need more information, I am ready to provide. I don't want the GUI or anything, even a small terminal window is fine for me, I can access files through FTP.

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Email links open in a new window [closed]

- by Dan

I'm asking this as an opinion question. How does everyone treat email links opening in a new window if their default email client is web based? This way? <a href="mailto:[email protected]">email me</a>. It will open fine for app based email clients but open in the same window for web based clients. This way? <a href="mailto:[email protected]" target="_blank">email me</a>. It will open in a new tab for web based email clients but open a blank tab. I cant really seem to find the best of both worlds. What does everyone else do?

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Ubuntu 12.10 AMD/Intel Hybrid Graphics not working

- by Marian Lux

On Ubuntu 12.04 my Sony Vaio VPCSE with Intel® HD Graphics 3000 and AMD Radeon™ HD 6630M worked fine with the Catalyst Control Center version 12.6. Also the switching between integrated and discrete graphic card was working. In both cases, I followed this tutorial. But it is not working on Ubuntu 12.10. I tested the tutorial with the Catalyst Control Center from the Ubuntu Software Center, the version 12.8 and version 12.9. Always the same problem: After installation process I am able to boot in the login-screen. But after entering the password for my username, only the background-image appears. Unity seems not to be starting. I am only able to reach the context-menu by right clicking the mouse button. I also tried his fix, but is also does not work for me. Any ideas what to do to fix this problem?

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Using env variables with RewriteRule and ErrorDocument

- by misterte

Hi, I'm having problems with the following while config. my Apache server to Rewrite some urls. SetEnv PATH_TO_DIR /directory RewriteRule ^%{PATH_TO_DIR}/([a-zA-Z0-9_\-]+)/([a-zA-Z0-9_\-\.]+)/?$ /index.php?dir=$1&file=$2 ErrorDocument 404 %{PATH_TO_DIR}/index.php?dir=null&file=error This conf. used to work perfectly fine until I used SetEnv PATH... etc. I need to use this because there are lots of rules, not just those. Can anyone point out my mistake? Apache returns %{PATH_TO_DIR}/index.php?dir=null&file=error when I try anything (www.site.com/foo/bar for instance). Apache returns the ErrorDocument if i just try to fetch the index. I know it's not a problem with the rewrite rules because they work when I remove the PATH_TO_DIR variable and just hard code it. Thanks! A.

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Dans Guardian install

- by Matt

I'm trying to install Dans Guardian on a virtual machine. The instructions ask me to run the ./configure script and then execute the command make install. The configure script runs fine but the make install throws errors. Making all in src make[2]: Entering directory `/webmin/dansguardian-2.10/src' g++ -DHAVE_CONFIG_H -I. -I.. -D__CONFFILE='"/usr/local/etc/dansguardian/dansguardian.conf"' -D__LOGLOCATION='"/usr/local/var/log/dansguardian/"' -D__PIDDIR='"/usr/local/var/run"' -D__PROXYUSER='"nobody"' -D__PROXYGROUP='"nobody"' -D__CONFDIR='"/usr/local/etc/dansguardian"' -g -O2 -MT dansguardian-fancy.o -MD -MP -MF .deps/dansguardian-fancy.Tpo -c -o dansguardian-fancy.o `test -f 'downloadmanagers/fancy.cpp' || echo './'`downloadmanagers/fancy.cpp downloadmanagers/fancy.cpp: In member function âstd::string fancydm::timestring(int)â: downloadmanagers/fancy.cpp:507:72: error: âsnprintfâ was not declared in this scope make[2]: *** [dansguardian-fancy.o] Error 1 make[2]: Leaving directory `/webmin/dansguardian-2.10/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/webmin/dansguardian-2.10' make: *** [all] Error 2 I'm running 12.04 LTS server x64

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OpenOffice Calc doesn't show up in the alt-tab window switcher

- by Abe

I just upgraded to ubuntu 12.04, and it's mostly working. My biggest problem so far: OpenOffice/LibreOffice Calc doesn't show up under the task switcher. When I pres alt-tab to change windows, I can see all my windows except for any OpenOffice documents I have open. If I minimize other windows, then I can get to my Calc documents, but Alt-Tab just doesn't work. It only seems to be a problem with Calc. Writer and Impress both work fine. I do a lot of work in spreadsheets, so this is really messing up my flow. Any thoughts on how to fix it?

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Ubuntu on a virtual machine

- by Barry Miller

I've installed Virtual Box and am trying to install Ubuntu 12.04 from a downloaded ISO. Everything is going fine but I come to a choice that says no operating system is dectected on this machine, what would you like to do? 1)Erase disk and install Ubuntu (this will erase any files on the disk) or 2) Something else (choose partition size, multiple partitions, etc). Does the first option mean erase all files on the VIRTUAL DISK--NOT THE COMPUTER? Is it just talking about the virtual machine or if I select this option will it erase my Windows operating system and other files on my hard drive?

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How can I share the TV card on my home network? with a solution like `ln -s`?

- by Boris

My environment: - 2 PCs, a desktop and a laptop, both on Oneiric - they are connected together by ethernet wire - nfs-common is installed and configured: the desktop is the server - a TV tuner card is installed on the desktop, I can watch the French TNT TV with the software Me-TV It works fine, TV on desktop, and my network too: I share folders thanks to NFS. But I would like more: how can I share my TV tuner card from the desktop and be able to watch TV on the laptop too? If possible I would like a solution that allows me to keep using the software Me-TV, on both PCs. I bet that there is a solution to create a fake TV card on the 2nd PC. Something like ln -s on /dev/dvb/adapter0/.

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Why is it taking so long to open the Ubuntu Help Center?

- by Agmenor

When I click on the Help Center Icon in the 'System' menu, it takes more than a minute to launch the program. More than a minute, for a text only program seeming like a website! All my other programs work fine, and I saw this problem also on other computers. Is there a reason for this? Will it be fixed? I think it is an important issue for beginners. As a response to Scaine, the result of the command software-center is the following: Traceback (most recent call last): File "/usr/share/software-center/update-software-center-agent", line 72, in <module> db = xapian.WritableDatabase(pathname, xapian.DB_CREATE_OR_OVERWRITE) File "/usr/lib/python2.6/dist-packages/xapian.py", line 3195, in __init__ _xapian.WritableDatabase_swiginit(self,_xapian.new_WritableDatabase(*args)) xapian.DatabaseLockError: Unable to acquire database write lock on /home/agmenor/.cache/software-center/software-center-agent.db.tmp: already locked 2011-01-11 19:57:24,495 - softwarecenter.app - INFO - software-center-agent finished with status 1

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How to get windows back? Lubuntu?

- by Jon

I installed lubuntu and I don't like it. I did a clean install to lubuntu rather than making it dual. Now when I want to go back to Windows it won't work. I put the Windows Vista CD in and it won't load. It just loads lubuntu back. I know for a fact that the CD works just fine. I don't know what to do? I did a little research and it says I deleted the windows loader or the partition. Can someone help me?

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How can I make the draggable window border thicker, without changing the appearance?

- by Bruce Connor

When you want to resize a window in gnome (as well as in other systems) you can click-and-hold at the window's border and than drag it. The problem is (and do correct me if I'm wrong here) that the draggable border is just a couple of pixels thick in gnome. That tends to be a little frustrating, and contributes to my wrist pains from using the mouse, as it requires very careful movement of the mouse. How can I change the thickness of the area I can click in order to resize a window? I don't want to increase the appearance of the window border, I'm not talking about eye candy here. I want to fine tune this functionality where I can resize a window by dragging its border. Is there a setting somewhere that will change this?

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C code - ls system command not showing bash colors

- by m0atz

I've just been fooling around with some code in C, an example of a really basic program is as follows which just, obviously, lists the directories using the ls system command. #include <stdio.h> int main (void) { system("ls -l -d */"); printf("I've just listed the directories :-)\n"); return 0; } This runs fine, but it shows the ls output in monochrome, whereas Bash would output the list using colors for the directories (or files if I included files). How can I make my C code use the bash colors? Thanks

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Installing Ubuntu 12 on SATA III drive

- by Jared

I am trying to install Ubuntu 12.04 on a SATA III drive however the installer will not recognize my drive in the guided (dual-boot) install. I have changed the controller from IDE to AHCI to no avail, the install still will only recognize my very small second drive that is plugged into a SATA II port. The thing is, the unguided install sees this drive just fine, I just am not sure enough of what I'm doing to feel safe installing via this method. Is there a fix for this beyond plugging my drive into a SATA II port? I really would like to avoid this because of my terrible cable management skills it would be a huge pain to switch it over.

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Skype Video not working 13.04 & 13.10?

- by MrA

I am trying to fix the issue with the video calls. I can check the video from the option menu, it works fine. But it does not work while calling someone. It shows video disabled. How can i fix this issue? I am using Ubuntu 13.10 and skype version 4.2.0.11 I checked all sites including below links but could not find solution: Skype no video in 13.04 Skype Video Call Not Working Ubuntu 11.10 No video skype found Video doesn't work well in skype http://www.youtube.com/watch?v=WeaLCzB4qy8

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After upgrade: what's this envelope systray icon, and how do I get rid of it?

- by David

I've just upgraded from 13.04 to 13.10 and everything seems to be running fine. I have a couple new icons in my systray, though, and one of them -- the envelope icon -- is a mystery to me: It looks like a chat notifier (clicking it gives "Available", "Away", "Busy", etc., indicators) but I don't use Pidgin (never have), or it could be an email indicator but I don't use Thunderbird (never have). There's nothing else I can see (left- or right-clicking) that identifies it. I'd like to get rid of it, but "Startup applications" only lists the ones I have optionally added, and this is not among them. Any help appreciated!

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MPD to play music to single channel of my multi-channel card?

- by hany tawfik

I installed an Ubuntu 12-04 LTS server for a special background music application of mine, where I am using the server with an Asus Xonar DS sound card. The installation is successful, the MPD is working, the sound card is working with Alsa and its libraries installed accept for Alsa-oss. Alsamixer is working fine with left/right sides of each channel volume control through Q/Z letters shortcut when alsamixer is open in terminal . using the command " speaker-test -Dplug:surround71 -c8 -l1 -twav " I can hear every voice message coming out from the card at the right connector, so "front right/ front left" voice message are coming from first output in the card back, while the other outputs are silent..so on. The problem is that MPD is playing on all outputs simultaneously the same audio. I have been trying various configurations for the last 12 days with out any success, including trying to put mappings in the /etc/asound.conf Can any body help me achieve the above, or direct me to the right configuration of MPD or asound.conf

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Nanoservices anti-pattern pdf version

The formatting on the html version of the nano-services is a bit off (Word to HTML is so much fun) so I am also making it available as PDF.if you don’t rememberNonoservice is an Anti-pattern where a service is too fine grained. Nanoservice is a service whose overhead (communications, maintenance etc.) out-weights its utility.* illustration [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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Nanoservices anti-pattern pdf version

The formatting on the html version of the nano-services is a bit off (Word to HTML is so much fun) so I am also making it available as PDF.if you don’t rememberNonoservice is an Anti-pattern where a service is too fine grained. Nanoservice is a service whose overhead (communications, maintenance etc.) out-weights its utility.* illustration [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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OpenOffice doesn't work

- by dn.usenet

I installed OpenOffice on 12.04, and set it as the default utility for spreadsheets, but it doesn't run at all. While trying to troubleshoot, I read that it is not recommended to install it alongside LibreOffice. I am about to uninstall OpenOffice because I don't know how to get it working, and LibreOffice is opening my spreadsheet just fine. But just out of curiosity, I also read that I should try deleting .openoffice.org folder; but from where? I don't see it under /usr/lib, nor under my /home.

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