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• Free Virtual Developer Day - Oracle Fusion Middleware Development

  - by B Shashikumar

  Oracle Application Development Framework (ADF) is the standards based, strategic framework for Oracle Fusion Applications and Oracle Fusion Middleware. Oracle ADF’s integration with the Oracle SOA Suite, Oracle WebCenter and Oracle BI creates a complete productive development platform for your custom applications. Join a free online developer day where you can learn about the various components that make up the Oracle Fusion Middleware development platform including Oracle WebCenter, Business Intelligence, BPM and more! Online seminars, hands-on lab and live chats with our technical staff is available directly from your computer.  Register now and join us on July 10th. https://oracle.6connex.com/portal/fusiondev/login?langR=en_US

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• How do I remove SUN Java and use OpenJDK instead?

  - by Adel Ramadan

  As a programmer I use java for learning to code in Netbeans. I installed Sun java 6 long time ago over openJDK that came with my ubuntu just cause it seemed more responsive... Now that oracle left the repos I wanted something easy to handle to install and uninstall, so I want to Remove completely sun java 6 from my computer and set as default OPENjdk....and openjre. I already have installed OpenJDK and OPENjre...but not marked as default. Besides I want to clean Sun java from here, dont wanna get messy ^^. Running ubuntu 11.10

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• Sound fails when I switch users

  - by Sam

  Sound on my computer was working fine under 12.04 however when I upgraded to 12.10 I have encounter a strange problem where when I switch users instead of the first user having its sound swamped the sound of the first user keep playing and the second user can not play and thing. The sound setting for the second user only show a Dummy Output. If I reboot and log into the second user sound works fine but then if you switch to the first user it has a dummy output instead. What could would cause such a problem?

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• Could not connect to wireless unitl reboot (nl80211)

  - by user107410

  I'm using Samsung NP900X3C. I have problem with occasionally connecting to WIFI, with Ubuntu 12.10. Sometimes my computer could not connect to WIFI "blab", neither after reboot computer. Only solution is to restart WIFI hotspot. It's public WIFI, used by many users, that don't have that problem. My /var/log/syslog: Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:39 k15 kernel: [ 8.908610] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:09:39 k15 kernel: [ 8.915032] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:39 k15 kernel: [ 8.916753] wlan0: authenticated Nov 12 10:09:39 k15 kernel: [ 8.916839] wlan0: waiting for beacon from 64:70:02:89:7c:d7 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:42 k15 kernel: [ 12.386212] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:42 k15 kernel: [ 12.389114] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:09:42 k15 kernel: [ 12.391021] wlan0: authenticated Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:09:42 k15 kernel: [ 12.391332] wlan0: waiting for beacon from 64:70:02:89:7c:d7 Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning Nov 12 10:09:46 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) and after restart WiFi, I could connect: Nov 12 10:11:51 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: inactive -> scanning Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:11:55 k15 kernel: [ 144.445154] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:11:55 k15 kernel: [ 144.453994] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:11:55 k15 kernel: [ 144.455860] wlan0: authenticated Nov 12 10:11:55 k15 kernel: [ 144.458681] wlan0: associate with 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:11:55 k15 kernel: [ 144.462799] wlan0: RX AssocResp from 64:70:02:89:7c:d7 (capab=0x431 status=0 aid=9) Nov 12 10:11:55 k15 kernel: [ 144.486368] wlan0: associated Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Associated with 64:70:02:89:7c:d7 Nov 12 10:11:55 k15 kernel: [ 144.487435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> associated Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associated -> 4-way handshake This problem is appearing regulary. My WiFi device control is nl80211. Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): using nl80211 for WiFi device control Nov 12 10:09:32 k15 NetworkManager[1004]: <warn> (wlan0): driver supports Access Point (AP) mode Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 3) Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/0 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): now managed Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): bringing up device.

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• Upgraded to 11.10 lost personal folders, Ubuntu one shows no files

  - by Kevin

  Upgraded to 11.04, from 10.10 system would only come up in terminal mode, but it told me that an additional upgrade was available and did I want to do that. Foolishly thinking that might fix the problem, I said yes. This time it did not make it all the way through the upgrade, when I came back to the computer over an hour later, the screen was filled with an error message "could not open display", had to reboot. Went to recovery mode on reboot to install nvidia module, when I rebooted system came up fine, but without carrying over my personal folders, I have the home folder, but no personal named folder in it. Came to Ubuntu One, but gives error message; File Sync error. (org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked Is the a way around this in order to restore my files? I know my files existed on Ubuntu one as of a few months ago.

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• Knowing so much but application is a problem?

  - by Moaz ELdeen

  In my work, my friends always tell me, you know so much about computer science, electronics engineering,..etc. But I have difficulty in applying them and my code is crap. How to solve that problem? Will I be better or programming isn't my career? For example, yes I know OCTree that is used for space partitioning in games and it is used for optimization, did I implement it? No, but I know about it in principle.. Do I know algorithms like Sorting, Searching,..etc? Yes, and I know them pretty well, but didn't implement them.. When I get a task, I struggle in applying the things that I know...

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• How to unmount a virtual cd/dvd in Ubuntu 11.1o

  - by P J Reil

  I'm new to Ubuntu 11.10 and have absolutely no idea what I'm doing. I don't now how but in downloading and fooling around with a virtual cd/dvd program I seem to have inadvertently installed it. I had to shut down my computer for a while and when I re booted it all my files and my setup was gone. I have a brand new 11.10 setup with all the programs installed that I originally had but no files or bookmarks etc.. I'm not sure, but I think I'm running in a virtual cd/dvd. I don't know how to determine if I am or not and can't boot up in my original setup. Can anyone help me?

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• Running an old version of some software

  - by Mark Oak

  I don't want to mingle in any backstory, but all that needs to be known is that I have a computer with Ubuntu on it and I am trying to install Windows 8 from an ISO. I am using the guide that can be found here which is a little more than four years old. Now, I've been able to accomplish everything up to Step 2, at which point I am stuck. I have downloaded the file found on that page, which can be found here, and have attempted to use it, as directed, quote; "right click the downloaded Unetbootin file, select Properties and on the "Permissions" tab, check the "Allow executing file as program" box. Then simply double click it and it should open." But, after having set checked the specified box and double clicking the file, nothing happens. Nothing is launched and nothing changes. I've been stuck here for several hours now, having failed to find a solution via Google.

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• Ubuntu 12.04 LTS Realtek RTL8192E Problems

  - by Logan

  My wifi is not working. I have tried ndiswrapper with the XP driver but that still did not work. Please explain to me in layman's terms. I can run commands so if you tell me exactly what to put, i will put it. Basically, ubuntu is not showing a wireless networks option and when I ran some command yesterday it said the driver was UNCLAIMED. Please help. This is a wintec card with realtek rtl8192E chip on it. It is a desktop computer. On a 20gb partition, other 60gb is for windows(yeah its an old desktop). Use windows installer to install ubuntu(this is one of the dell desktops that wont boot ubuntu from disk). So any help is appreciated and I would like to get this done THIS weekend.

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• Ubuntu Server 12.10 No GUI Headless Boot and/or Reboot

  - by Ubuntu User

  I have a headless server running the latest Ubuntu Server 12.10. It does not have any GUI at all. I am having the same issue that others are having which is that when you boot or reboot without a monitor (headless) the computer does not boot. The solution presented to others was to edit their xorg.conf file. But since I do not want a GUI installed (and therefore chose not to install a GUI after installing Ubuntu 12.10) I do not have a xorg.conf file in the /etc/X11/ directory. Ubuntu is a widely used distro of Linux, especially for server applications, I absolutely love it. Therefore, there has to be someone who solved this already?

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• Can't log in on boot up

  - by Jerry Donnelly

  I set this computer up with Ubuntu for my neighbor about two years ago. Today she tried her normal boot up and log in and her password isn't accepted. I've double checked and she's using what I set her up to use, the caps lock key is okay, and I can't see any other reason for the problem. I'm not sure exactly what version of Ubuntu she has and I'm not an expert user myself. Is there a way to bypass the password screen on boot up that would let me get to Ubuntu and perhaps set her up as another user? She basically checks email and that's about it. Thanks for any assistance.

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• Confused about career options in Web Developement.

  - by Radheshyam Nayak

  I am currently in the final year of my graduation in computer science course. I love programming in PHP but not under pressure. As my graduation life is going to be over I have to shape up my career. My personal desire is to become a web developer and start my own web-based company after completion of courses. I do not have any desire to work for a company as a developer. Currently I have programming knowledge of PHP, Mysql and Javascript. Though I have not completed any type of project in PHP. So to become a complete web developer what else do I need to know to be able to get developement project? Any project I apply for are simply declined due to lack of portfolio. So how should I proceed?

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• Upgrade from 10.10 to 11:04 to 11.10. X starts, Unity desktop not there

  - by Stefan Lasiewski

  I upgraded my Ubuntu Desktop 10.10 system to 11.04 and then 11.10. Now, when I start Ubuntu, the Unity desktop doesn't start correctly. Here's what I do: Start computer I log in via the GUI login screen The X Window System starts. I can see an arrow icon for the mouse, and can move it around the screen. Nothing else starts. There are no desktop icons, no launcher, no taskbar, etc. Right clicking on desktop does nothing. I've tried some common keyboard shortcuts ("Alt-tab" "Ctrl-Alt-T" "Ctrl-Alt-Backspace") but nothing happens. If I go to another Virtual Console, and run the command unity, the Unity desktop will start on my primary X desktop. However I'm seeing many problems like windows which are only half-drawn, some applications run without the familiar "Minimize, Maximize, Close" What's happening here? It seems that the X Window System started, but Unity did not start? How can I debug this?

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• Slow wifi with D-link DWA-160 A2

  - by Tommy Brunn

  I recently bought a USB wifi adapter for my new desktop computer. It's a D-link DWA-160 A2. From the start it didn't want to work at all, but after unplugging and then plugging it back in, it seems to work. However, my browsing is painfully slow. NetworkManager reports the connection to be at around 78-85% signal strength, which seems perfectly acceptable. Is there anything I can do to make it faster? I'm dual booting with Windows 7, where it seems to work fine, so I'm guessing that the problem occurs because of crappy drivers.

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• How to enable ping in windows firewall in windows server 2008 r2

  - by ybbest

  If you are unable ping your windows server 2008 r2 machine or if you have a “one way ping problem”. You need to check whether you have it enabled in your windows firewall.To enable it , you need to do the following: 1. You need to go to control panel >> windows firewall >> Advanced settings 2. Go to Inbound Rules and enable File and Printer Sharing (Echo Request – ICMPv4-In),after you have done this ,your computer will become pingable.

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• Enable Parental Controls in Windows 7

  The Internet is a fascinating yet scary world. This is especially true for those with young children who are just making their way online. As a parent it s not really plausible for you to be by your child s side at all times. Thus when they are using the computer you could probably use some help in monitoring their actions. Luckily Windows 7 s Parental Controls feature can help.... Microsoft? Cloud Power See How Companies are Using the Cloud to Cut Costs. Watch a Demo.

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• Starting my first project and have no idea about it. Guide please.

  - by Chankey Pathak

  I am a Computer Science student (6th semester). I want to make a project and I have a team of 4 people (My friends). So we are 5 people and we have decided to make a "Web based file explorer". The project will be similar to THIS one. How should we start with this project? We guys don't know much about programming. I know Java a little and I am a RHCE so can handle the server and all such administrative stuffs. Since this is our first project so we guys have no idea how we'll make it? I know Java and other guys in the group knows C#, ASP.NET, PHP, SQL and Joomla. Please guide and give your suggestions. Thank you. PS : Perhaps my question is not complete, if you want more information then leave a comment I will edit the question.

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• HTG Projects: How to Create Your Own Custom Papercraft Toy

  - by Eric Z Goodnight

  Graphics programs aren’t simply for just editing your photos—they can have whatever fun application you can think of. For a fun, geeky project, here’s a simple papercraft toy you can make with a printer and simple household tools Latest Features How-To Geek ETC How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 The 50 Best How-To Geek Windows Articles of 2010 The 20 Best How-To Geek Explainer Topics for 2010 How to Disable Caps Lock Key in Windows 7 or Vista How to Use the Avira Rescue CD to Clean Your Infected PC The Deep – Awesome Use of Metal Objects as Deep Sea Creatures [Video] Convert or View Documents Online Easily with Zoho, No Account Required Build a Floor Scrubbing Robot out of Computer Fans and a Frisbee Serene Blue Windows Wallpaper for Your Desktop 2011 International Space Station Calendar Available for Download (Free) Ultimate Elimination – Lego Black Ops [Video]

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• Who owns code if its written by one person with another person directing [on hold]

  - by user136226

  I have an Issue that I need some info on. Basically what Im looking to find out is if I create software,and someone else gives me direction on what they want the software to look like,e.g. an image here,this font of text and it must behave in a certain way. Also some of the code was not developed on my computer and there is no official agreement in place. Not looking to screw anyone over here but need to protect myself if things go sour. Do I own the software or is it jointly owned? Thanks

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• How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working on a MSI Z87-GD65?

  - by Travis Allen

  So I literally just built my first computer from scratch and I can't get the network card to work as I've gathered it requires getting some drivers somehow.. Motherboard : MSI Z87-GD65 CPU : Intel Haswell i7 Ubuntu Ver : 12.04 Using the on-board network port Please help I'm about to start crying into my keyboard over this (not really). Any info would be greatly appreciated, also please be very specific as to what I have to do as I have not used Ubuntu very much so talk to me like a child, I won't take offence. Also I've already tried following the instructions here : How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working? I don't know if I'm just retarded or am missing something

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• I cant get back into Ubuntu after turning off my Acer c710 Chromebook

  - by user286880

  I took about 1 hour installing Ubuntu to my Acer chrome book. I turned off my computer and now it boots back into Chrome OS (yes i know its supposed to) Then i went onto the Chrome OS dev terminal thing and put in the code sudo cgpt -i 6 -p 5 -s 1 /dev/sda. Nothing happens it comes up with another Local Host slot. I tried using the Ctrl Alt f2 and ctrl alt f3 but nothing happened. I really need to get back onto Ubuntu. All help is appreciated.

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• Printing with Lacie Lightscribe requires root privileges

  - by James

  I have installed Lacie Lightscribe software on Ubuntu 12.04. Everything seems to be fine, the drive is detected, the proper media is detected, but when I click print I get the message "Printing Requires Root Privileges". I am the main (administrator) account on this computer, part of the sudo group and I cannot seem to find an answer to this dilemna in plain english. I've seen some apparently relevant posts which say things like "check whether the files /usr/4L/4L-gui and /usr/4L/4L-cli have any setuid-bits set. If so, remove them" but I need more detailed step-by-step instructions than that, please. Is there anyone who knows how to solve this?

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• Consoles in Ubuntu and automatic upgrade

  - by Muhammad Khan

  So I recently discovered that ubuntu is simultaneously running 6 consoles in addition to the GUI that everybody uses, which can be accessed by pressing Ctrl+Alt+F1 ... +F6 and then the default GUI with Ctrl+Alt+F7. What use can these consoles have when I can just open a terminal in the GUI mode? Also, why is having consoles like this advantageous for computer users; wouldn't a GUI be much more simplistic? Also, running the console told me that I was running a development version of Ubuntu Quantal which is version 12.10. The login screen (correctly?) says that I'm running 12.04 LTS. What does that mean? Thanks everybody!

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• If Apple made Cars [closed]

  - by benhowdle89

  There was a joke going round a few months(?) ago that if the GM industry kept up with the computer industry that we'd all be better off (in relation to driving and costs). There was also a counter joke that if Microsoft made Cars you would, for example, have to squeeze the wing mirror, honk the horn and move the gearstick the reboot the car (CTRL + ALT + DEL) This got me thinking in terms of Apple's recent iPad 2 release, if Apple made cars what would they be like? What sort of technological advancements would software developers and programmers be able to implement if you built a car in a similar fashion to building an iPhone app. Xcode is you Mechanics garage, as it were. What would a car look like if it was designed by Apple Chief of Design: Jonothan Ive?

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• Changed isp, Ubuntu 13.04 won't connect to the internet

  - by Lori

  I recently moved and changed internet service providers. my ubuntu 13.04 machine is unable to connect to the internet. I need help with the networking settings. The previous isp was Verizon dsl, current a cable company. Both connect via ethernet cable. The cable and router work on a windows machine, but not my ubuntu machine. The cable company doesn't support ubuntu or any linux operating systems. The computer seems to recognize the connection. When I unplug and plug in the cable I get a little window that says disconnected, connected. However, I can't connect to the internet in either Firefox or the Ubuntu software installer (tried this to see if it was a firefox issue, it wasn't). I tried shutting down and restarting, plugging and unplugging cables, etc.

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