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• Missing & Failed Folder At/and After Installation

  - by user170558

  I am new to Linux, and I've trying to install Ubuntu 12.04 LTS (dual boot with Windows XP). I choose to add new partition (FAT32 150 GB) for the shared folder. But when I pressed the install button, the installer warned me : Failed to create the 150 GB shared partition. So I turned back to the partition section and changed the shared partition to 50GB FAT32 (/mnt/shared). I pressed the install button and I was successful. But, when I boot Ubuntu, I could not find this 50GB folder. QUESTIONS: 1. What is wrong with the 150GB size? Is my hard disk failing? 2. Why is the 50GB shared folder not showing? Thank for the help.

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• Why can't I mount the Ubuntu 12.04 installer ISOs in Mac OS X?

  - by eric

  Over the past few days, I have downloaded both the 32 and 64 bit version of server and desktop to install on an Intel based PC. It is normal from within OS X to double click on an ISO and it will mount the ISO in the finder as well as within disk utility. When I attempt to mount any of the Ubuntu ISOs I downloaded, OS X returns the error message The following disk images couldn't be opened. The reason given for the error is no mountable filesystem. However, I am still able to open the ISO directly from disk utility and burn it to a DVD/CD. What has changed in this release to cause this? Is there something wrong with the current ISOs? The OS X machine I am using is only two weeks old and is having no issues with any other ISO.

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• How to add SMS text messaging functionality to my website?

  - by jessegavin

  I want to add the ability to send reminders to people via email and SMS for specific events that they have signed up for on a web application that I am building. The email part is not difficult, but I am wondering where to find a good solution for sending SMS messages. It would also be a plus if this solution allowed two-way SMS communication with my web application so that people would be able to reply with a CONFIRM or CANCEL type of a message. Has anyone implemented something like this? Does anyone know of good tools out there? EDIT: I am realizing that this is more of a "lots of ways to skin this cat" type of question and so I changed it to community wiki.

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• I know of three ways in which SRP helps reduce coupling. Are there even more? [closed]

  - by user1483278

  I'd like to figure all the possible ways SRP helps us reduce coupling. Thus far I can think of three: 1) If class A has more than one responsibility, these responsibilities become coupled and as such changes to one of these responsibilities may require changes to other of A's responsibilities. 2) Related functionality usually needs to be changed for the same reason and by grouping it togerther in a single class, the changes can be made in as few places as possible ( at best changes only need be made to the class which groups together these functionalities) 3) Assuming class A performs two tasks ( thus may change for two reasons ), then number of classes utilising A will be greater than if A performed just a single task ( reason being that some classes will need A to perform first task, other will need A for second task, and still others will utilise it for both tasks ).This also means that when A breaks, the number of classes ( utilising A ) being impaired will be greater than if A performed just a single task. Can SRP also help reduce coupling in any other way, not described above? Thank you

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• How can redirect pages from old core PHP site to new Joomla site?

  - by pkachhia

  We have our old site into core PHP and we have developed it again into Joomla 1.5 last year( because of some limitations we have to build it into 1.5). Now the problem is the URL of sites changed as we have use SEO URLS on joomla. In between we have use .htaccess to redirect user from old URL to new like this Redirect /pages/oldpage.php http://www.mydomain.com/products/category/new_page.html Is this good practice to redirect user to new URL or not?(we have used same server). One more thing, We have used splash page on our site, and to set up it we have made some changes and because of it one of the important link is not working, and it is http://www.mydomail.com/index.php How can I get rid of it? I have used DirectoryIndex splash.html home.html index.php in .htaccess to open splash page first when someone open my site http://www.mydomain.com. Note: my website hosted on dedicated ubuntu server.

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• SSH refusing connection after changing default port

  - by wm90

  currently I'm handling 2 server (A and B). In server A I installed Ubuntu 12.10. I changed the SSH port into 1198 and it works fine. In server B it has been installed with Ubuntu 11.04. I tried to change the port number into 1198 as well but it refused the connection when I tried to connect again using Putty. I change the SSH configuration on /etc/ssh/sshd_config and I did restart the SSH using sudo service ssh restart. I was thinking its because of firewall allowed port but the firewall shows inactive when I run sudo ufw status. Any idea why this can happened?

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• Making sub domain the new main domains for ssl

  - by Dean Legg

  What would be your best advise for changing your main domain to a sub domain? Are site used to be example.co.uk but has now changed to https://secure.example.co.uk/. Any example.co.uk url's re-direct to the new secure domain. Effectively the example.co.uk is now just there to redirect any links and is no longer part of the sites url structure. I have added a new domain to Google Webmaster https://secure.example.co.uk/ and added the site map. Waiting for it to be indexed. Is there anything else you would advise and will this take away a lot of the juice from all the links I developed for example.co.uk? Guessing this is not best practise as I have struggled to find any information online based on this subject.

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• Why is there a 20 and not 21 in some versions of Planning Poker?

  - by SuffixTreeMonkey

  In Planning Poker, cards usually contain numbers of the Fibonacci sequence, which is 0,1,1,2,3,5,8,13,21,34,55 etc. However, you can see on the Wikipedia page (and this has been confirmed to me by people that work at several positions where Planning Poker is applied) in some editions the cards stray away from Fibonacci sequence after 13. They lower 21 to 20 and then continue with 40 and 100. Is there some rationale on why these values have been changed, specifically 21 to 20? (Also note that some other cards are added, such as ? and 1/2, but these are easier for me to understand, compared to the 21 - 20 shift.)

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• Set modified date = created date or null on record creation?

  - by User

  I've been following the convention of adding created and modified columns to most of my database tables. I also have been leaving the modified column as null on record creation and only setting a value on actual modification. The other alternative is to set the modified date to be equal to created date on record creation. I've been doing it the former way but I recent ran into one con which is seriously making me think of switching. I needed to set a database cache dependency to find out if any existing data has been changed or new data added. Instead of being able to do the following: SELECT MAX(modified) FROM customer I have to do this: SELECT GREATEST(MAX(created), MAX(modified)) FROM customer The negative being that it's a more complicated query and slower. Another thing is in file systems I believe they usually use the second convention of setting modified date = created date on creation. What are the pros and cons of the different methods? That is, what are the issues to consider?

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• Oracle Solaris Preflight Applications Checker 11.2 now available

  - by CarylTakvorian-Oracle

  ISV Engineering is happy to announce the release of the latest version of our Solaris Preflight Checker tool supporting Solaris 11.2. which is now available for download. The Solaris Preflight Checker enables a developer to determine the Oracle Solaris 11.2 readiness of an application by analyzing a working application on Oracle Solaris 10. A successful check with this tool will be a strong indicator that an application will run unmodified on the latest Oracle Solaris 11.This release includes: Updated symbol database which will help migration from Solaris 10 to Solaris 11.2 Kernel binary and source scanners that now detects, usage of "data structures" changed between Solaris 10 and Solaris 11.2 An application analyzer, which looks for usage of specific Solaris features and recommends better ways of implementing the same on Solaris 11.2   e.g. suitability of high performance libraries shipped with Solaris, crypto offload for Java & C based applications,  etc. And bug fixes

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• Radeon HD5570 HDMI Video Card 5.1 Audio doesn't work

  - by ryandlf

  I am using Ubuntu and XMBC on my HTPC and have chosen the Radeon HD5570 Video card which has an HDMI output. In the sound preferences there is no surround sound option for the video card just stereo and although I can get sound through it in XBMC, my receiver does not state Dolby Digital on movies that are in fact Dolby so its definitely not giving me the true sound it should. Does this card not support surround sound through HDMI and I somehow missed it? If that is the case does anyone have suggestion that has been tested and works? Id like to know its going to work before investing in yet another video card. UPDATE I purchased a Nvidia GeForce GTS 450, plugged it in, downloaded the proprietary driver from the system control panel, disabled the onboard audio from the BIOS (not sure if this was necessary but I did it anyways), and changed the sound settings to use the new video card. Everything works flawlessly. It was a seemless setup.

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• programs becoming unresponsive

  - by Alex

  I have changed from Mint 13 to Ubuntu, complete fresh install. However I regularly get programs becoming unresponsive seems to be more after when switching between screens or work places. eg before i was using firefox have 2 pop up screens(no junk ones) bank login and an ebay chat, switching between them and then firefox faded to grey and I had to force close as it become unresponsive. Ubuntu is very nice to use, but I never had these problems using mint 13. Is this common, are there any fixes coming??

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• SharePoint Saved My Puppy

  - by Mark Rackley

  The SharePoint journeys video contest ends today, and I thought I’d submit my video about how SharePoint has changed my life. The video has not been approved yet for some reason, so I thought I’d post it quickly here… When it does get approved, please be sure to rate it.  Thank you SharePoint for giving me back my puppy… Maybe we can start a write-in campaign or something???  And be nice.. it’s all in good fun.

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• juju: How do I list all the relation variables and debug them interactively?

  - by mfisch

  I'm writing a charm that requires a mysql database, I found from looking at other charms that this (below) is how I get the info about the database: user=`relation-get user` password=`relation-get password` mysqlhost=`relation-get private-address` But I just found that from reading the wordpress charm example, is there a way to show all the relation variables that I can use? Also, while debugging my db-relation-changed script, I wanted to ssh into my host and interactively run those commands, for example relation-get user, but it didn't work. I resorted to having to restart everything and use juju log to print them out. This wasted a lot of time. Is there a way to print out these relations, either from my dev box or from the instance running my charm? (Below is what happens when I tried to interactively run relation-get): ubuntu@mfisch-local-tracks-0:~$ relation-get user usage: relation-get [-h] [-o OUTPUT] [-s SOCKET] [--client-id CLIENT_ID] [--format FORMAT] [--log-file FILE] [--log-level CRITICAL|DEBUG|INFO|ERROR|WARNING] [-r RELATION ID] [settings_name] [unit_name] No JUJU_AGENT_SOCKET/-s option found

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• ubuntu 12.04: Why my laptop is consuming more power than 11.10?

  - by sanz

  I had 11.10 X86 on my Asus laptop (sandybridge, Nvidia 520M). I had 8 hours' battery life with Bumblebee and Jupiter. Average battery discharge rate was around 10w. Later I changed, not upgraded, to 12.04.1 AMD64. I installed Jupiter. But there is no "restricted drivers" available so I guess Bumblebee will not work. So I removed nvidia drivers. Now I only get 4 hours' battery life. Average battery discharge rate is around 19w. The removal of nvidia driver did not make any difference. What's the cause? Nvidia video card not disabled or 64b version of Ubuntu?

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• Restore the Ctrl + Alt + Num Pad windows positioning commands?

  - by holocronweaver

  Using Unity in Ubuntu 12.04, the Ctrl + Alt + Num Pad combination for positioning windows has been fragmented by Ctrl + Alt + 4 (move window to left half of screen) being changed to Super + Left Arrow. A similar change moved Ctrl + Alt + 6 to Super + Right Arrow. Thus one moves windows to corners using Ctrl + Alt combos, but Super combos are needed to move to the left or right. This is more than a convenience problem since the new windows positioning provided by the super key combos seems to give different sizes than the Ctrl + Alt combos they replaced, leading to distracting gaps between windows when you combine the two methods to position three or more windows on one screen. Is there a way to restore the previous behavior so that I can use Ctrl + Alt + Num Pad for all windows positioning?

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• How to incoporate Taiwan into ISO 3166-1?

  - by Misha

  I received a rather heartfelt e-mail from a user on our site explaining that Taiwan wasn't a province of China and that they wouldn't register until this was changed. Our site is made from a dozen or so valued contributors so we are going to change it. See issue here: http://www.iso.org/iso/country_codes/iso_3166-faqs/iso_3166_faqs_specific.htm. I found the lines to edit in my CMS, but we have valued users from both China and Taiwan. I was wondering the most politically neutral way to amend my country codes. What should the entries for China and Taiwan say?

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• News about Programming Entity Framework 2nd Edition

  Programming Entity Framework 2nd Edition (based on the RTM of VS2010/.NET 4.0) is currently available on Safari Rough Cuts at http://oreilly.com/catalog/9780596807252. At this point most of the chapters are there. You’ll find 2-23. Note that chapter 4 will be broken into 4 and 5 in the final edition. I changed the chapter numbering after chapter 16 to accommodate this which is why there is no chapter 17. Chapters 24 is about n-Tier CLient applications using an WPF example and chapter 25 is...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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• How can I prevent VirtualBox from changing the permissions on the .vbox File?

  - by KevinC

  I'm currently running Ubuntu 13.04, and I've got a Windows 8 VirtualBox VM installed. I put the VM's folder in a shared folder (/home/sharedHome/) that has read and write permissions assigned to the vboxusers group. This allows me to launch the VM from my account and my wife can launch it from hers. The only problem is that when you launch the VM from either account, the permissions get changed so that only that user has read and write privileges on the .vbox file. After this happens, the other account can't launch the VM unless I go in and change the permissions again. Does anyone know how to prevent VirtualBox from changing the permissions? Is there a better way to share a VM between users? Thanks!

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• USB modem dosn't working in Ubuntu

  - by skeeph

  In Ubuntu 12.10 USB-modem Huawei 171 from MTS is not connected to the network. First on the message "Are you registered on the network", immediately after that, "You are disconnected from the network." This happened after there was an internal error notification Ubuntu. I did not pay attention, and closed by sending the report. After the reboot does not work. Settings are not changed. I am online with this modem in Windows 8. Could you tell me why it is not working,please thank you in advance P.S Sorry for my English. It's foreign language for me. Please mention to me where are my mistakes. Thanks

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• Upgrade from 12.04 to 13.10: Computer won't boot

  - by Christian

  I upgraded from 12.04 to 13.10 and my computer boots to a black screen. I hear the drumroll, but there is no functionality after that. I've downloaded a livecd of 12.04 on my other computer, and I changed the BiOS settings to boot from CD/DVD first, but it still does the same thing. I booted advanced options, edited [ro quick splash] to [ro nomodeset] and it started normally. I rebooted the system and it was back to the same junk. What do I need to do while it is operating to make it reliable with every restart? This seems to be a systemic issues with NUMEROUS Ubuntu upgrades, but I haven't read a solution yet. I need some help, please! Thanks.

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• usb keyboard stopped working in terminal window after update from 13.04 to 13.10

  - by Jim

  When I start the computer, I am logged in automatically. Using the keyboard, I type Ctrl+Alt+t, which brings up a terminal window, just like it should; however, nothing happens when I attempt to type into the terminal. If I change over to the guest account, I can type into the terminal, but (different problem here, I'll ask it separately unless someone is kind enough to answer it here) my password doesn't work for sudo or anything else. Elsewhere I read that Language support could fix it, but that won't accept my password either - and no, I haven't changed it lately. Also, my Plex Media Server seems to have disappeared. I'll re-install everything if necessary, but I sure would rather avoid that if possible

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• How can I keep straight alpha during rendering particles?

  - by April

  Rencently,I was trying to save textures of 3D particles so that I can reuse the in 2D rendering.Now I had some problem with alpha channel.Some artist told me I that my textures should have unpremultiplied alpha channel.When I try to get the rgb value back,I got strange result.Some area went lighter and even totally white.I mainly focus on additive and blend mode,that is: ADDITIVE: srcAlpha VS 1 BLEND: srcAlpha VS 1-srcAlpha I tried a technique called premultiplied alpha.This technique just got you the right rgb value,its all you need on screen.As for alpha value,it worked well with BLEND mode,but not ADDITIVE mode.As you can see in parameters,BLEND mode always controlled its value within 1.While ADDITIVE mode cannot guarantee. I want proper alpha,but it just got too big or too small consider to rgb.Now what can I do?Any help will be great thankful. PS:If you don't understand what I am trying to do,there is a commercial software called "Particle Illusion".You can create various particles and then save the scene to texture,where you can choose to remove background of particles. Now,I changed the title.For some software like maya or AE,what I want is called [straight alpha].

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• session indicator icon goes wrong after I upgrade to 12.10

  - by CoIn

  I upgraded my 12.04 to 12.10 yesterday, everything goes fine. But I found the little gear icon of session indicator was show incorrectly. I've re-installed the indicator-session package and changed to default theme but the problem remains. It's not a big problem but it is just annoying, hope you guys can help me! oops! I don't have enough reputation to post a image! You may move to this link to see it, thanks http://www.flickr.com/photos/flowfox/8115089204/

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• Ubuntu 11.10 problem with Nvidia

  - by dariush

  I have an acer with a Gforce graphics card. I installed ubuntu 11.10 and it was working properly until I installed Nvidia drivers via additional drivers, I hit "nvidia-xconfig" in terminal and then reboot. At startup lightdm fails to start. I changed /etc/X11/xorg.conf file back to default and reboot. It works properly, but with the default Ubuntu driver. I want to reconfigure Nvidia and use it. Can anyone tell me what should I do?

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