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• No rear audio when front jack is connected

  - by Shanoop

  I have Ubuntu 14.04 64bit dual booted. When I connect something on front audio jack then rear audio is not working. I have tried changing analolog-output-headphones.conf file. After changing that alsamixer showing that both centre and surround not muted with full volum. Unfortunately no audio. aplay -l **** List of PLAYBACK Hardware Devices **** card 0: SB [HDA ATI SB], device 0: ALC887-VD Analog [ALC887-VD Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: SB [HDA ATI SB], device 1: ALC887-VD Digital [ALC887-VD Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2] Subdevices: 1/1 Subdevice #0: subdevice #0

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• How to play Silkroad online with Wine?

  - by IslamShalaby

  I'm new to Ubuntu, I have Ubuntu 12.04 LTS x64. I could not play Silkroad online, so i asked Google and I found that there's application named Wine, and I found some commands to run in the Terminal, to install it. I did all that successfully. Then I tried to start the game, via wine, and I got this error. Now I don't know what I should do. On Youtube I saw players that can play Silkroad on Ubuntu without problems. Check this out: http://www.youtube.com/watch?v=vY8AK8M43EQ Commands I used to install wine: sudo add-apt-repository ppa:ubuntu-wine/ppa sudo apt-get update sudo apt-get install wine1.5

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• scalablity of Scala over Java

  - by Marcus

  I read an article that says Scala handles concurrency better than Java. http://www.theserverside.com/feature/Solving-the-Scalability-Paradox-with-Scala-Clojure-and-Groovy ...the scalability limitation is confined specifically to the Java programming language itself, but it is not a limitation of the Java platform as a whole... The scalability issues with Java aren't a new revelation. In fact, plenty of work has been done to address these very issues, with two of the most successful projects being the programming languages named Scala and Clojure... ...Scala is finding ways around the problematic thread and locking paradigm of the Java language... How is this possible? Doesn't Scala use Java's core libraries which brings all the threading and locking issues from Java to Scala?

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• force recompilation of war file including its Jar dependencies

  - by Mik378

  I have a project A (a webapp), depending on project B (B.jar) and this one depending on project C (C.jar). I would like to create a maven goal named "Rebuild War", that clean all compiled code for these 3 projects and rebuild the whole in order to obtain a fresh War file. I tried mvn clean package on project A, but I noticed that B and C are not recompiled. Indeed, B.jar and C.jar that are contained in local repository don't have a changing creation date. Is there an adapted maven command for this requirement ?

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• ddclient - wont update Invalid Keyword for 'ip' =

  - by stueng

  /etc/ddclient.conf use=web, web=checkip.dyndns.org/, web-skip='IP Address' protocol=easydns ssl=yes server=members.easydns.com login=stueng password='****' home.***.** /var/log/syslog Jun 4 13:02:34 XBMCuntu ddclient[10554]: WARNING: file /var/cache/ddclient/ddclient.cache, line 3: Invalid Value for keyword 'ip' = '' Jun 4 13:02:34 XBMCuntu ddclient[10554]: WARNING: skipping update of home.***.** from <nothing> to 90.193.*.*. Jun 4 13:02:34 XBMCuntu ddclient[10554]: WARNING: last updated <never> but last attempt on Mon Jun 4 13:01:57 2012 failed. Jun 4 13:02:34 XBMCuntu ddclient[10554]: WARNING: Wait at least 5 minutes between update attempts. Help?

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• Python script as a service on Ubuntu 11.10

  - by bugs99

  I am facing the following problem. I want to run a python script as a service on Ubuntu 11.10 system (already mentioned in the following link: Python service using Upstart on Ubuntu) I followed the steps mentioned in the above mentioned link, but i got the following error message in syslog: init: script main process (21826) terminated with status 1 Jun 8 16:59:55 bilbo kernel: [263012.984531] init: script main process ended, respawning Jun 8 16:59:55 bilbo kernel: [263013.044099] init: script main process (21827) terminated with status 1 The above two lines are getting repeated all the time. On saying sudo start script, I get the following: $ sudo start script script start/running, process 21826 Following is the content of my script.conf placed in /etc/init: description "Used to start python script as a service" author "bilbo" start on runlevel [2] stop on runlevel [06] exec python /home/bilbo/scripts/webserver.py respawn Please tell me what I am doing wrong? Do I have to change my python code as well?

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• Problem with Python3 picking Python2 package

  - by zetah

  I installed python3-numpy package, but trying to import it in Python3 interpreter I get this: $ python3 Python 3.2.3 (default, May 3 2012, 15:54:42) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import numpy Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/zetah/.local/lib/python2.7/site-packages/numpy/__init__.py", line 128, in <module> from version import git_revision as __git_revision__ ImportError: No module named version >>> Looking in Synaptic I see python3-numpy is installed in /usr/lib/python3/dist-packages/numpy/ Why is it picking wrong package and what can I do to remedy this? Update: OK, in my ~/.profile I have this line: PYTHONPATH=$PYTHONPATH:$HOME/.local/lib/python2.7/site-packages but if I remove this line then my Python 2.7 local packages (which I build from source) wont work Update 2: Everything seems to work perfect without $PYTHONPATH. I guess it was in my .profile file for nothing Please close this question

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• Wifi hotspot to connect to Android using non-AP supported cards

  - by 3l4ng

  I'm running Ubuntu 13.10 64b on a Dell Inspiron N5010. My wireless device (found using lspci) is Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01). I bought a new android phone and want to connect to Internet by using the laptop as a Wireless Access Point (ad-hoc doesn't work with Android). I tried following tutorials like the one at How to setup a wi-fi hotspot (access point mode)?. The relevant output from iw list was Supported interface modes: * IBSS * managed Running sudo hostapd /path/to/conf/file gave me (eth1 is the wireless, verified by iwconfig) Failed to create interface mon.eth1: -95 (Operation not supported) Could not set channel for kernel driver eth1: Unable to setup interface. Could not connect to kernel driver. I am able to use Connectify and Virtualrouter on Windows, and the phone works great. How do I get an access point running on Ubuntu? I'm open to other alternatives as well.

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• how do i run teamviewer in a headless system?

  - by Serge

  im really new to ubuntu 12.04 and ive been trying to get remote desktop services between me and my server. and i dont have any spare monitors, keyboards, or mice. i did connect said items too the server and got teamviewer running and connected. but i cant use those components every time i want to go remote desktop. i have ssh but i want a GUI on hand for annoying stressful situations. i read somewhere that ubuntu doesnt start a gui if there is no monitor connected. and tried those xorg.conf setups to no avail. i believe this is the reason why my headlesds setup isnt working. how can i get my GUI to startup while headless?

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• What's the difference between Scala and Red Hat's Ceylon language?

  - by John Bryant

  Red Hat's Ceylon language has some interesting improvements over Java: The overall vision: learn from Java's mistakes, keep the good, ditch the bad The focus on readability and ease of learning/use Static Typing (find errors at compile time, not run time) No “special” types, everything is an object Named and Optional parameters (C# 4.0) Nullable types (C# 2.0) No need for explicit getter/setters until you are ready for them (C# 3.0) Type inference via the "local" keyword (C# 3.0 "var") Sequences (arrays) and their accompanying syntactic sugariness (C# 3.0) Straight-forward implementation of higher-order functions I don't know Scala but have heard it offers some similar advantages over Java. How would Scala compare to Ceylon in this respect?

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• Google webmaster tools: parameters that only apply on one page

  - by Imagine digital

  I'm trying to get my e-commerce website on google and still figuring out how it all works. Now, I have seen this feature named URL-parameters, allowing me to set different parameters that affect page content to be indexed (one can also set parameters that do not affect the page, but for me that does not apply..). The question I have about this is whether and how I should add parameters that I only have on some pages of my site. example: The homepage of my site is www.mysite.nl. no parameters at all. But when a user clicks the navigation bar, it links to www.mysite.nl/itemList.php?category=&....subCategory=.... The parameters category and subCategory define whether there is content on my itemList page and what content that is. It gets matching products out of my database based on those 2 variables. The question: How do I make sure that I apply the google URL Parameters function decently for my website?

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• HTML favicon wont show on google chrome

  - by Nick

  I am making a HTML page that is unpublished and that I just started. The first thing I wanted to do was add a favicon to appear next to the tile. I'm using google chrome an I noticed that other websites have favicons that appear next to the tile in the browser, but mine wont show up. I'm new to favicons. the site in in a folder on my desktop named site. This is the code: <!DOCTYPE html> <html> <head> <title></title> <link rel="shortcut icon" href="favicon.ico" /> </head> <body> </body> </html>

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• How to start /usr/bin/bitcoind on boot?

  - by André

  I'm trying to get /usr/bin/bitcoind to start on boot but without success. I have this script on /etc/init/bitcoind.conf description "bitcoind" start on filesystem stop on runlevel [!2345] oom never expect daemon respawn respawn limit 10 60 # 10 times in 60 seconds script user=andre home=/home/$user cmd=/usr/bin/bitcoind pidfile=$home/.bitcoin/bitcoind.pid # Don't change anything below here unless you know what you're doing [[ -e $pidfile && ! -d "/proc/$(cat $pidfile)" ]] && rm $pidfile [[ -e $pidfile && "$(cat /proc/$(cat $pidfile)/cmdline)" != $cmd* ]] && rm $pidfile exec start-stop-daemon --start -c $user --chdir $home --pidfile $pidfile --starta $cmd -b -m end script After creating this script I've run the command: sudo initctl reload-configuration When I restart Ubuntu the "bitcoind" does not start. I only can start "bitcoind" running manually the command: sudo start bitcoind Any clues on how to start "bitcoind" on boot?

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• Error mounting VirtualBox shared folders in an Ubuntu guest

  - by skaz

  I have Ubuntu 10 as the guest OS on a Windows 7 machine. I have been trying to setup shares through VirtualBox, but nothing is working. First, I create the share in VirtualBox and point it to a Windows folder. Then I try to mount the drive in Linux, but I keep getting /sbin/mount.vboxsf: mounting failed with the error: Protocol error I have read so many solutions to this, but none seem to work. I have tried: Using the mount.vboxsf syntax Reinstalling VBox additions Rebooting Enabling and trying as root account I made a share called "Test" in VBox Shared folders. Then I made a directory in ubuntu named "test2". Then I tried to execute this command: sudo mount -t vboxsf Test /mnt/test2 Any other ideas?

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• Do I need to install a package (openSWAN or strongSWAN maybe) to use ipsec?

  - by user68886

  I want to connect to a windows share that only accepts ipsec transport mode. I have a list of security policies and a shared secret. I've skimmed through the man page on ipsec.conf on the web and it seems to be the place to put these polices. If ipsec is part of the kernel (and I think it is, I'm using Ubuntu 12.04) do I need to install some other package in order to get this working? I'm guessing it's either openSWAN or strongSWAN but don't know the difference.

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• The Importance of Using !important in CSS Styles

  - by Ken Cox [MVP]

  I just lost time trying to hide a CSS border in a third-party control, so it’s worth a quick post to help others avoid similar frustration. I could plainly see in the Internet Explorer 8 developer tool that an unwanted border in the Telerik RadRotator   was coming from the style classes named .RadRotator_Web20 and .rrClipRegion. So, to remove the border, I inserted my own style in the page as an override: .RadRotator_Web20 .rrClipRegion {     border: 0px; } No change! WTF??? Okay...(read more)

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• Graphics on boot split into three sections

  - by a sandwhich

  I just installed 13.04 onto a new laptop because of the ease of install with the uefi bios. When I boot the system though, the screen is split into three sections each about 640x200 at the top of the screen, with the active terminal mirrored across them. Although I can login, startx fails due to something about a file. I have tried booting with vga=711 and normal nomodeset with no success. Booting the live usb I originally installed from results in the same issue. The graphics driver in the xorg.conf.something from what I can make out is set to vesa, but it could be set to some other four character value that is similar to vesa, hard to tell. How can I fix this? One thing to note, the laptop has two dedicated GT 750m's, along with the intel 4000 built into the processor. This is what it looks like, the purple box is what the grub2 menu was in before boot.

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• Not Working Nvidia GT 635M drivers

  - by Andres

  I'm having problems trying to use my Nvidia 635M in my asus N46VJ laptop. I open the "Nvidia X server settings" I get this message : "You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run nvidia-xconfig as root), and restart the X server." I open the terminal typi "sudo nvidia-xconf" and this creates a file, /etc/X11/xorg.conf After reboot I'm in a lower resolution of 640x480, without other options to change it, then open the Details system and it shows me this in the Graphic item: Intel® Ivybridge Mobile I type this in the terminal (no idea what that means, I just saw it in a forum!!!) lspci -vnn | grep '\''[030[02]]' and get this: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF108M [GeForce GT 635M] [10de:0de3] (rev a1) (prog-if 00 [VGA controller]) I installed bumblebee but nothings happens additionally the additional drivers shows me "no propietary Drivers are in use on this system"

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• Juju didn't configure rabbitmq for openstack?

  - by SaM

  I have installed ubuntu Openstack HA with juju with all 24 servers. But my openstack is not working at all. On dashboard on every page I get errors saying "could not retrieve usage information", "could not retrieve volume information, "could not retrieve .....etc I spent hours and have discovered that juju has not done configuration correctly. I found that on cloud controller in nova.conf juju has added rabitmq vhost enrty, but that virtual host is not added in rabbitmq. Then how is its suppose to work? And on juju-gui canvas rabbimq is all green and is working fine, which in reality its not. I am really wondering if juju has really done correct configuration in all 24 servers now, I am getting the feeling that it would have been faster if I would have done openstack deployment manually instead of using juju. Why was the virtual host entry not added in rabbitmq? How should I solve this?

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• Is data integrity possible without normalization?

  - by shuniar

  I am working on an application that requires the storage of location information such as city, state, zip code, latitude, and longitude. I would like to ensure: Location data is accurate Detroit, CA Detroit IS NOT in California Detroit, MI Detroit IS in Michigan Cities and states are spelled correctly California not Calefornia Detroit not Detriot Cities and states are named consistently Valid: CA Detroit Invalid: Cali california DET d-town The D Also, since city/zip data is not guaranteed to be static, updating this data in a normalized fashion could be difficult, whereas it could be implemented as a de facto location if it is denormalized. A couple thoughts that come to mind: A collection of reference tables that store a list of all states and the most common cities and zip codes that can grow over time. It would search the database for an exact or similar match and recommend corrections. Use some sort of service to validate the location data before it is stored in the database. Is it possible to fulfill these requirements without normalization, and if so, should I denormalize this data?

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• Setup site folders on Apache and PHP [closed]

  - by Cobus Kruger

  I'm trying to set up my first Apache server on my Windows PC at home and I have real trouble finding out which configuration settings go where. I downloaded and installed XAMPP which seemed to get everything nicely set up and can see a working website on http://localhost. So far so good. The point of this is to develop a website of course, and to make my life easier (irony?), I wanted to let the web site root point to my Eclipse project folder. So I opened httpd.conf, uncommented a VirtualHost block and changed its DocumentRoot to my local path. Now when I try to load http://localhost I get a 403 (Access denied) error. So where do I configure permissions for my folder? And is that all I need to let my site run from the folder specified or am I going to have to clear another hurdle?

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• Microsoft SQL Server 2008 R2 Release

  - by Leonard Mwangi

  Microsoft is planning to release the second edition of SQL Server 2008, the new edition will named SQL Server 2008 R2 due to be released by May 1st 2010.   Amongst the change on the edition is pricing which is anticipated to go up by 25% for the Standard Edition and about 15% for the Enterprise Edition. As for the features, there are some very cool additions  including PowerPivot for SharePoint, Master Data Services and Multi-Server Administration. There is also enhancements on the Database Engine, Reporting Services and Installation Process.    More information can be found at http://msdn.microsoft.com/en-us/library/bb500435(SQL.105).aspx   Have a happy Upgrade

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• Script to setup ubuntu as a wireless accesspoint on a bridge mode

  - by nixnotwin

  I use the following script to make my netbook a full-fledged wireless accesspoint. It creates a bridge with eth0 and wlan0 and starts hostapd. #!/bin/bash service network-manager stop ifconfig eth0 0.0.0.0 #remove IP from eth0 ifconfig eth0 up #ensure the interface is up ifconfig wlan0 0.0.0.0 #remove IP from eth1 ifconfig wlan0 up #ensure the interface is up brctl addbr br0 #create br0 node hostapd -d /etc/hostapd/hostapd.conf > /var/log/hostapd.log & sleep 5 brctl addif br0 eth0 #add eth0 to bridge br0 brctl addif br0 wlan0 #add wlan0 to bridge br0 ifconfig br0 192.168.1.15 netmask 255.255.255.0 #ip for bridge ifconfig br0 up #bring up interface route add default gw 192.168.1.1 # gateway This script works efficiently. But if I want to revert back to use Network Manager, I cannot do it. The bridge simply cannot be deleted. How can I modify this script so that if I run bridge_script --stop, the bridge gets deleted, network manager starts and interfaces behave as if the machine had a fresh reboot.

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• Apache wont work after changing port

  - by user73595

  I am working with ubuntu 12.04 server 64-bit edition. I have intalled apache2 without any problems and i can see the "It works" message. And i can also access from other pc within the network. I want to host my website using home DSL, However i found out that my ISP is blocking the port 80, 25 ,110 so i changed the port to 8010 (/etc/apache2/port.conf) After this I am unable to get the "It Works" web page. All it shows that "NOT FOUND" i tried with ipaddress:8010 and it doesnot work with both internal and also external.

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• Is it bad to have an "Obsessive Refactoring Disorder"?

  - by Rachel

  I was reading this question and realized that could almost be me. I am fairly OCD about refactoring someone else's code when I see that I can improve it. For example, if the code contains duplicate methods to do the same thing with nothing more than a single parameter changing, I feel I have to remove all the copy/paste methods and replace it with one generic one. Is this bad? Should I try and stop? I try not to refactor unless I can actually make improvements to the code performance or readability, or if the person who did the code isn't following our standard naming conventions (I hate expecting a variable to be local because of the naming standard, only to discover it is a global variable which has been incorrectly named)

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