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• How do I get security updates for restricted/partner packages?

  - by laramichaels

  I want to perform just security updates on Ubuntu 12.04 LTS, keeping the rest of the system unchanged. I need to do this from the command line, no the GUI update manager. I have implemented the solution described here, which seems to work great for this purpose. I merely substituted 'precise' for 'lucid' given that I am on 12.04. My question is: by using apt pinning as described in that answer, will I still receive security updates for packages distributed through the "other" repositories - partner, restricted, multiverse, etc? Or will it only get me updates for the packages in the "core" distribution? thanks! ~l

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• What package creates /usr/lib/jvm/default-java?

  - by François Beausoleil

  I'm trying to setup Jenkins on 11.10 using only Ubuntu-provided packages. After apt-get install jenkins, Jenkins won't start. I traced it to an absent /usr/lib/jvm/default-java/bin/java. Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-===============================-=======================================-============================================================================== ii jenkins 1.409.1-0ubuntu4.2 Continuous Integration and Job Scheduling Server ii openjdk-6-jre 6b24-1.11.3-1ubuntu0.11.10.1 OpenJDK Java runtime, using Hotspot JIT # update-alternative --config java There is only one alternative in link group java: /usr/lib/jvm/java-6-openjdk/jre/bin/java Nothing to configure. What package creates /usr/lib/jvm/default-java ?

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• How do I install the btrfs-restore utility on 12.04?

  - by MountainX

  I would like to install btrfs-restore on Kubuntu 12.04 apt-cache search btrfs-restore returns nothing. Google "ubuntu download OR install btrfs-restore" returns nothing useful. Also, where do I get btrfs help? I'm not getting any replies on #btrfs on freenode.net. (Correction: I was too impatient. #btrfs was very helpful!) UPDATE: the previously accepted answer no longer works, so I unselected it as the answer. The PPA dmitrij.ledkov/ppa is missing now. Thanks to Pkunk at #btrfs, I posted a new solution below.

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• Sample Code and Slides from DevConnection Germany

  - by Stephen Walther

  Thank you everyone who came to my three talks this week at DevConnections Germany!  I really enjoyed my time in Karlsruhe. Here are the slides and sample code for the three talks:   jQuery Templates In this talk, I discuss how you can take advantage of jQuery templates when building both ASP.NET Web Forms and ASP.NET MVC applications. I demonstrate several advanced features of templates such as wrapped templates and remote templates. Download the slides Download the code   HTML5 In this talk, I discuss the features of HTML5 which matter most when building database-driven web applications. I demonstrate WebSockets, Web Workers, Web Storage, IndexedDB, and Offline Web Applications. Download the slides Download the code   jQuery + OData In this talk, I demonstrate how you can build entire web applications by taking advantage of jQuery and OData. I demonstrate how you can use jQuery and OData to both query and update database data. I also discuss two approaches for supporting validation. Download the slides Download the code

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• How can I fade something to clear instead of white?

  - by Raven Dreamer

  I've got an XNA game which essentially has "floating combat text": short-lived messages that display for a fraction of a second and then disappear. I've recently added a gradual "fade-away" effect, like so: public void Update() { color.A -= 10; position.X += 3; if (color.A <= 10) isDead = true; } Where color is the Color int the message displays as. This works as expected, however, it fades the messages to white, which is very noticeable on my indigo background. Is there some way to fade it to transparent, rather than white? Lerp-ing towards the background color isn't an option, as there's a possibility there will be something between the text and the background, which would simply be the inverse of the current problem.

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• problems updating system with apt-get

  - by Javier

  After to do apt-get update and try with apt-get upgrade I have the next error message: This is a coppy of my terminal (in spanish) root@LinuxJGP:/home/javiergp# apt-get upgrade Leyendo lista de paquetes... Hecho Creando árbol de dependencias Leyendo la información de estado... Hecho Se actualizarán los siguientes paquetes: apport apport-symptoms fonts-liberation gnome-icon-theme gnome-orca language-pack-en language-pack-en-base language-pack-es language-pack-es-base language-pack-gnome-en language-pack-gnome-en-base language-pack-gnome-es language-pack-gnome-es-base light-themes linux-firmware oneconf resolvconf sessioninstaller software-center ssl-cert tzdata ubuntu-docs ubuntu-keyring ubuntu-sso-client ubuntuone-control-panel ubuntuone-installer unity-lens-video unity-scope-video-remote xdiagnose 29 actualizados, 0 se instalarán, 0 para eliminar y 0 no actualizados. E: Los archivos de índice de paquetes están dañados. No existe un campo «Filename:» para el paquete ubuntu-keyring. How can resolve this problem?

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• Make game for iPhone only

  - by Alex

  From the beginning of development on my game I was hoping to release it as a universal app, but the gameplay simply doesn't work as well on the iPad. Also, it was designed to work on the iPhone screen, and the (even slight) difference in width to height ratio gives iPhone users an advantage over iPad users by seeing more of the path ahead. Not to mention it doesn't look quite right on the larger screen. Hypothetically, if my game becomes a top seller, would it be a bad idea to have it only an iPhone app? Would it make it far less likely for my app to become viral? My app would still work on the iPad like any other iPhone app, and I plan on eventually releasing an update that supports both iPad and iPhone.

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• Can't upgrade Firefox

  - by Deb Vorndran

  When I first got Ubuntu and got used to it, I decided to install lots of packages, and I overwhelmed the update manager. I had to interrupt it, because the download time was crazy long. That was 2 years ago. I haven't been able to upgrade anything since then. But now, some things I need will not work in my 2-year-old version of Firefox. I want to cancel all of the package installations that I started, and was not able to finish, and I need to upgrade Firefox. What should I do?

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• How does an Engine like Source process entities?

  - by Júlio Souza

  [background information] On the Source engine (and it's antecessor, goldsrc, quake's) the game objects are divided on two types, world and entities. The world is the map geometry and the entities are players, particles, sounds, scores, etc (for the Source Engine). Every entity has a think function, which do all the logic for that entity. So, if everything that needs to be processed comes from a base class with the think function, the game engine could store everything on a list and, on every frame, loop through it and call that function. On a first look, this idea is reasonable, but it can take too much resources, if the game has a lot of entities.. [end of background information] So, how does a engine like Source take care (process, update, draw, etc) of the game objects?

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• error with slap.d while installing any new software

  - by ali haider

  I am trying to install wireshark (this issue is not specific to wireshark) on my ubuntu box and I keep getting the following error for slap.d: Setting up slapd (2.4.23-6ubuntu6.1) ... Creating initial configuration... mkdir: cannot create directory `/etc/ldap/slapd.d': File exists dpkg: error processing slapd (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: slapd Besides uninstalling or trying to update open LDAP or slap.d, is there any other action that can be taken to resolve this issue? I am trying the install as root user & I have tried moving the slap.d conf file so far but without any luck. Any thoughts on troubleshooting/resolving this issue will be quite welcome. thank in advance

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• Prewritten App for Used Car Dealer?

  - by Shawn Eary

  Is there somewhere I can find a prewritten WebApp (with database) for a used car dealer? The application would need to support the following: Easy setup in a low cost Shared or Cloud Host Give potential customers easy way to browse current inventory (cars on lot) with suggested prices Give dealership easy way to login and update inventory (cars on lot) and suggested prices Give potential customers easy way to send the dealership an inquiry about a specific vehicle on the lot with CAPTCHA style SPAM protection I prefer ASP.NET MVC and Microsoft SQL Server, but I might consider other technologies such as WebForms and LightSwitch (HTML5). I am reasonably comfortable with MVC and WebForms, but I really don't want to waste a bunch of time writing an application that might already exist. I did find a few interesting templates via Bing that seem to control CSS and Layout, but I'm not sure if they contain any business logic or if they would integrate well into an MVC App.

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• Unable to mount external hard drive

  - by arranjamesroche

  Basically I my 12.10 update crashed halfway through, so I've had to start again and put all my data onto an external HDD. It was all going fine until this came up : Error mounting /dev/sdb1 at /media/amy/CA47-8339: Command-line `mount -t "vfat" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush" "/dev/sdb1" "/media/amy/CA47-8339"' exited with non-zero exit status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so When I tried to restore my info off the HDD. Now I'm stuck completely clueless as to how I'll get anything off the hard drive.

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• Oracle OpenWorld - 3 Days and Counting!

  - by Theresa Hickman

  If you haven’t set your schedule for OpenWorld yet, here’s your chance to reserve a seat at some of the key Financial Management sessions. There’s over 120 sessions specific to our Financials audience that will not only focus on Oracle’s financial product lines, but will also discuss controls and compliance, as well as analytics, budgeting/planning, and financial reporting and the close process. For a complete list of sessions, view any of the Focus on Documents located on the OpenWorld site. Key Sessions: Day Time Session Location Monday 3:15 Oracle Fusion Financials: Overview, Strategy, Customer Experiences, and Roadmap Moscone West - 2003 Monday 3:15 Oracle Financials: Strategy, Update, and Roadmap Moscone West - 3006 Tuesday 11:45 General Session: What’s Next for Financial Management Solutions at Oracle? Moscone West - 3002/3004 Tuesday 1:15 Exploring Oracle Preventive Controls Governor’s Features Through Real-Life Examples Palace Hotel - Presidio Weds 10:15 Oracle Hyperion Enterprise Performance Management: A Bridge to Oracle Fusion Financials Palace Hotel - Concert Weds 1:15 Oracle Fusion Financials Coexistence with Oracle E-Business Suite Moscone West - 2011 Weds 3:30 McDonald’s Adopts Financial Analytics to Increase Business Performance Moscone West - 2011 Thursday 12:45 User Panel: Reducing Upgrade Errors and Effort While Improving Compliance Palace Hotel Palace Hotel - Presidio

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• Google keeps indexing /comment/reply URL

  - by jaypabs

  With the new update of Google algorithm called Penguin, I think my site was being penalized due to webspam. But of course I don't create post which seems to be spam to Google. It is just I think how Google index my site. I found out that Google index the URL of my site like: http://www.example.com/comment/reply/3866/26556 So there are so many comment/reply URL index by Google. I have already added: Disallow: /comment/reply/ Disallow: /?q=comment/reply/ but still Google still index this URL. Any idea how to prevent Google from indexing comments?

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• How to Design a Relational Database; PASS Precon Swag and it’s “Symbolism”

  - by drsql

  Update! 10 more books added to the cadre from my friends at Red-Gate. With less than a week to go, I am starting to pack up for Charlotte and PASS 2013. I love that it is in Charlotte this year so I can drive and bring along some goodies to give away. Books and toys mostly, a variety of which were chosen rather specifically for some manner of symbolism with a tie in to database design for the most part. (Okay, symbolism is perhaps a bit of a stretch, but I have tied everything, even the goofy stuff,...(read more)

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• Install Ubuntu 13.10 in dual boot with Windows 8.1

  - by Xaxt

  I have a laptop with installed Windows 8.1 x64. I want to intstall Ubuntu 13.10 (x64 of cause) in dual boot with it. I've made bootable USB stick (using unetbootin) with Ubuntu and tried to boot with it. It boots fine, and allows me to choose language and asks whether I want to install Ubuntu or just boot it. But if I select any ot these options, it shows black screen and hangs. I've been waiting about 15 minutes for it, but nothing happened. Light of USB stick indicates that my laptop was not trying to read from it that time. I switched off EFI in BIOS, switched AHCI/SATA modes, burned ISO image to DVD and still same effect. This topic can be called a duplicated, but I have't find what it duplicates. In other topics people asked what will happen if they update Windows 8 to 8.1 having already dual boot and I have installed Windows 8.1 and want to install Ubuntu alongside with it Did I miss something?

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• Slides, Code, and Photos from SPTechCon San Francisco 2011

  - by Brian Jackett

  Note: This is a temporary post containing my slides and code from my session “The Expanding Developer Toolbox for SharePoint 2010” at SPTechCon San Francisco 2011.     Thanks to all of my attendees that came to “The Expanding Developer Toolbox for SharePoint 2010”.  They had such great questions that we ran out of time before covering all of the planned material.  I wanted to provide my slides and code samples so that you can walk through them sooner than later.  I’ll update this post after the event with a more complete post. Slides and Code   Click here for “The Expanding Developer Toolbox for SharePoint 2010” materials         -Frog Out

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• Installation on windows isn't going on

  - by Hese

  I downloaded the ubuntu on the USB. Then downloaded the windows installer. Restarted my computer. Till there was ok, but after a 40 minutes waiting the instalation isn't goind on. It has stoped on the 3/4. What to do? I removed the UsB to, after the instalation had stoped; It wasnt going on for 30 minutes. What to do now? Is it a disaster? UPDATE: I restarted my comp. Selecdet Ubuntu in the boot menu (not Windows). The reinstallation started but is "stops" in the same point. in about the 3/4.

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• Weird font hinting in Firefox 4

  - by sexyprout

  Hi everyone. I know this a recurrent topic but I just can't find a decent solution--although I found one for Chrome. Just take look at the following screenshots: Chrome 9 Firefox 4 See the slight difference? I can't identify the exact difference but I can tell fonts in Chrome look smoother. Here are my system preferences (prefer to show a screenshot as I don't know the exact translations in English): Anyone got a solution? Thanks. Update: from my point of view, it doesn't seem to actually be a hinting problem. I'd say Firefox uses subpixel rendering instead of grayscale rendering. (yet I can't find the setting in fontconfig) But this is a subjective opinion, can you confirm?

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• Updated the Whiteboard Demo

  - by Bobby Diaz

  Just a quick update to let everyone know that I have updated the Whiteboard demo application.  I added a few options to make it more interesting to use!  I showed it to the kids and they loved it (even though they kept asking ME to draw pictures for them)!   Here is a list of available options: Color Picker for line color Slider for line thickness Save to XML file Open saved drawing Clear whiteboard Hold down ESC key to erase And here is a screenshot of my beautiful artwork! :) So what are you waiting for?  Go play with the Live Demo (and be sure to share with the kids) or download the source code. Enjoy!

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• Can a programmer get too smart for their own good?

  - by P.Brian.Mackey

  The more I learn about programming, the more things I see that could be improved by a great deal. Often, a companies process management is total SWAG or they have Frames based websites written recently, .NET 1.1 based code, no separation of concerns, poor quality control...I could go on and on and on... Projects can succeed, but there tends to be so much waste I am amazed at how much time and money a company can throw away. I've seen it happen at several companies. So is it that ignorance truly is bliss? UPDATE Question "How is it that top developers (I don't mean like Jon Skeet level, I mean guys who are dedicated enough to hit a forum and try for self-improvement) even want to code anymore after they see the often insurmountable sociological and technical problems they are told to fix, but then scolded for doing so? "

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• Postfix + procmail - delivery fails because "can't create user output file" - on CentOS 6.2

  - by jshin47

  I verified that my postfix installation / relaying setup worked. Now I am having trouble with procmail. I have it wired to postfix with the following command: mailbox_command = /usr/bin/procmail -f -a "$USER" I have nothing in my procmail config but the following: LOGFILE=/var/procmailrc/log And I send an email to a recipient that previously worked (before I attached procmail). Now it fails with error: Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: from=<[email protected]>, size=938, nrcpt=1 (queue active) Apr 6 14:07:05 localhost postfix/local[1953]: D0C3DFF6E1: to=<[email protected]>, orig_to=<postmaster>, relay=local, delay=0.05, delays=0.02/0.01/0/0.02, dsn=5.2.0, status=bounced (can't create user output file. Command output: procmail: Couldn't create "/var/spool/mail/nobody" procmail: Couldn't read "//root" ) Apr 6 14:07:05 localhost postfix/bounce[1955]: warning: D0C3DFF6E1: undeliverable postmaster notification discarded Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: removed It seems like there is some sort of permissions issue but I do not know what the problem is, nor do I understand how I would go about diagnosing it further. The logfile that I specified is empty, by the way. How can I make procmail+postfix work?

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• Why do business analysts and project managers get higher salaries than programmers? [closed]

  - by jpartogi

  We have to admit that programming is much more difficult than creating documentation or even creating Gantt chart and asking progress to programmers. So for us that are naives, knowing that programming is generally more difficult, why do business analysts and project managers get higher salary than programmers? What is it that makes their job a high paying job when even at most times programmers are the ones that go home late? UPDATE Excuse my ignorance, from some of the response it seems that the reason why BAs and PMs gets higher salary because they are the ones that usually responsible for the mess programmers make. But at the end of the day, it is programmers that get their hands dirty to fix the mess and work harder. So it still does not make sense.

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• Unity: Assigning a key to perform an action in the inspector

  - by Marc Pilgaard

  I am trying to write a simple piece of code in JavaScript where a button toggles the activation of a shield, by dragging a prefab with Resources.load("ActivateShieldPreFab") and destroying it again (Haven't implemented that yet). I wish to assign this button through the inspector, so I have created a string variable which appears as intended in the inspector. Though it doesn't seem to register the inspector input, even though I changed the value through the inspector. It only provides the error: "Input Key named: is unknown" When the button name is assigned within the code, there is no issues. Code as follows: var ShieldOn = false; var stringbutton : String; function Start(){ } function Update () { if(Input.GetKey(stringbutton) && ShieldOn != true) { Instantiate(Resources.load("ActivateShieldPreFab"), Vector3 (0, 0, 0), Quaternion.identity); ShieldOn = true; } }

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• Ubuntu 13.04 Eclipse 3.8.1 fresh install..cannot read Eclipse help files..ideas?

  - by Mystic38

  I have recently setup a dual boot windows 7 /Ubuntu 13.04. Problem: I installed eclipse from the Ubuntu software center. Eclipse opens fine, but when i attempt to access the help i get a "server error 500".. What i know: the help file is located locally and read via the browser.. any ideas?.. nb.. novice linux user, happy to try anything to provide more data, ppls just be specific (ie assume i know zilch..) update jun 30th.. Although not an answer to this question, i have patched a working solution by removing the version of eclipse supplied by the Ubuntu software center and installing from eclipse.org.. details at http://ubuntuforums.org/showthread.php?t=2157452 thanks

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