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• Ubuntu not shutting down ( going to black screen ) 12.04

  - by Orrin Fox

  I am currently using a USB persistent install of ubuntu. its a simple 4GB drive with a 2.8GB partition ( casper-rw storage partition ). I setup an administrator account and set it to login automatically. I also removed ubiquity to simply use this as a go anywhere install. Heres my issue. Im logged in as my account, and I click the top right gear and select "shut down". Text pops up showing its quitting processes.. etc. and then goes to the plymouth animation. But... The screen goes black, and then it goes to the login screen. Now when im at the login screen i go into terminal ( alt+F2 ) and dont you know, im logged in as Ubuntu. so then I try the following: ubuntu@ubuntu:~$ sudo shutdown now It goes to the plymouth screen again as if its shutting down, AND the screen goes black once again but the computer has not turned off, as in the usb is still flashing the light, the fans are still on, the only thing off is the screen. Is this a bug? If not maybe i did something wrong? Perhaps its that I made an account but... if there is a work around for this please let me know. Thanks again, Fox

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• XNA C# Platformer - physics engine or tile based?

  - by Hugh

  I would like to get some opinions on whether i should develop my game using a physics engine (farseer physics seems to be the best option) or follow the traditional tile-based method. Quick background: - its a college project, my first game, but have 4 years academic programming experience - Just want a basic platformer with a few levels, nothing fancy - want a shooting mechanic, run and gun, just like contra or metal slug for example - possibly some simple puzzles I have made a basic prototype with farseer, the level is hardcoded with collisions and not really tiled, more like big full-screen sized tiles, with collision bodies drawn manually along the ground and walls etc. My main problem is i want a simple retro feel to the jumping and physics but because its a physics simulation engine its going to be realistic, whereas typical in air controllable physics for platformers arent realistic. I have to make a box with wheel body fixture under it to have this effect and its glitchy and doesnt feel right. I chose to use a physics engine because i tried the tile method initially and found it very hard to understand, the engine took care of alot things to save me time, mainly being able to do slopes easily was nice and the freedom to draw collision bounds wherever i liked, rather then restricted to a grid, which gave me more freedom for art design also. In conclusion i don't know which method to pick, i want to use a method which will be the most straight forward way to implement and wont give me a headache later on, preferably a method which has an abundance of tutorials and resources so i dont get "stuck" doing something which has been done a million times before! Let me know i haven't provided enough information for you to help me! Thanks in advance, Hugh.

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• Graphic Card Installation Failure (NV 9600M GT)

  - by Georg

  I wanted to switch from 7 to Ubuntu. Now, the first thing that holds me back is the installation of the driver for my Nvidia 9600M GT. Ubuntu recommends me 4 drivers from the "Additional Driver" Section. Now, whatever driver I install, there are four things happening RANDOMLY after rebooting: The pc freezes before seeing bootup splash The pc freezes while seeing bootup splash image (ubuntu logo with the 5 dots) The pc gets into login screen and freezes instantly (Thought the unity-bar is transparent now) The pc freezes right after beeing able to login. (While this is happening the unity-bar changes from transparent to ugly-flat-style) I also tried to install the official Nvidia .run file but after exiting the X-Server, it says the driver is not compatible with the kernel and exits installation. Can somebody help me? I really wanna get rid of Windows :( But Ubuntu drives me perfectly insane. Please answer as noobish as possible. I'm an expert Windows user, but Linux is absolutely new to me. My Specs: Ubuntu 11.10 installed from USB Stick (like 100 times now :/ because I dont know how to remove the driver in recovery mode) 9600M GT 4GB Ram Intel Centrino 2 Dual Core 2.26GHz Win 7 and Ubuntu running along side. Thank you in advance, regards.

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• ubuntu 12.10 installation failure

  - by Eidelmaim

  Here i am asking this question again because someone deemed it a duplicate to another topic which i over looked and NOTHING AT ALL in that topic pertained to my problem. If your going to close a topic believing it is a duplicate at least do somke reasearch into WHY you think its a duplicate and provide a like to a better source. How do i get past this installation username and password issue? I downloaded ubuntu 12.10 directly from Ubuntu.com and created a bootable USB with linuxlive. after loading the boot drive and ubuntu begins, it goes directly from the purple ubuntu startup screen directly to a black DOS like prompt asking for a ubuntu login. this is COMPLETLY before any installation -begins. i need some help with this. FYI : this is what it is saying after it goes to the login area in the DOS (Full black screen) like screen. Ubuntu 12.10 ubuntu tty1 ubuntu login: now i will provide a few images of the problem i am having. and because i DONT HAVE ANY OS on the computer BECAUSE ubuntu WONT go PAST this... i have to snap these pictuires with a cell phone and upload on another PC. these links are in chronological order from time of pressing power button to time i am presented with log in screen : image 1 image 2 can only post 2 links in messages... will post additional links in comments So, again... how do i get past this ? this is entireley before ubuntu is installed on my system. my PC specs... Homebuilt computer: Motherboard is a Asus Sabertooth x58 with a intel core i7 processor. Mushkin memory @ 12gbs. 4ea. Seagate 150gb hard drives. nvidia GTX 260 graphics card. i initially attempted to install to raid 5. failed. i broke down the raid and attempted to install to a single drive with all other drives disconnected from the PC. again, thanks in advanced for any assistance.

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• Executing Components in an Entity Component System

  - by John

  Ok so I am just starting to grasp the whole ECS paradigm right now and I need clarification on a few things. For the record, I am trying to develop a game using C++ and OpenGL and I'm relatively new to game programming. First of all, lets say I have an Entity class which may have several components such as a MeshRenderer,Collider etc. From what I have read, I understand that each "system" carries out a specific task such as calculating physics and rendering and may use more that one component if needed. So for example, I would have a MeshRendererSystem act on all entities with a MeshRenderer component. Looking at Unity, I see that each Gameobject has, by default, got components such as a renderer, camera, collider and rigidbody etc. From what I understand, an entity should start out as an empty "container" and should be filled with components to create a certain type of game object. So what I dont understand is how the "system" works in an entity component system. http://docs.unity3d.com/ScriptReference/GameObject.html So I have a GameObject(The Entity) class like class GameObject { public: GameObject(std::string objectName); ~GameObject(void); Component AddComponent(std::string name); Component AddComponent(Component componentType); }; So if I had a GameObject to model a warship and I wanted to add a MeshRenderer component, I would do the following: warship->AddComponent(new MeshRenderer()); In the MeshRenderers constructor, should I call on the MeshRendererSystem and "subscribe" the warship object to this system? In that case, the MeshRendererSystem should probably be a Singleton("shudder"). From looking at unity's GameObject, if each object potentially has a renderer or any of the components in the default GameObject class, then Unity would iterate over all objects available. To me, this seems kind of unnecessary since some objects might not need to be rendered for example. How, in practice, should these systems be implemented?

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• How to partition Seagate FreeAgent GoFlex 2TB hard disk?

  - by balki

  Hi I bought a new Seagate 2TB external hard disk. I opened the drive's application in my virtual windows, did product registration using the application present in it. I have few questions on how best to use it. The drive by default has some files and folders - setup.exe, System Volume Information, USB 3.0 PC Card Adapter etc,. I copied all the files to my laptop. Is it safe to delete these files? It has a dash board for windows which allows to tune power options, test the drive etc. Will I be able to use the dash board if I put back all these files and mount on windows again? I want to partition and format the hard disk. Data I like to store is Around 10 to 20 GB Files - Virtual box images. Around 4GB Files - Dvd images. Other Movies and personal Files. What is the best filesystem to store very huge files like 10 to 20GB files. So that they are written and accessed fast also best uses the drive's capacity. If I leave one of the partition as ntfs and others to different files systems, will it be able to mount on windows and Will I be able to use the device's dash board? Note: I dont need any encryption for my data. Any other advice on using the hard disk is also welcome.

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• Masters or Second Bachelors Degree..or neither

  - by drD

  I have a degree in Business Administration, because at the time I didn't know what I wanted to do. I have been interested in programming for the past 2 years and have taken some action to self-teach. My experience/ knowledge base is limited to the following: -Read Kochan's Programming in C -Read IOS and Objective-C from the Big Nerd Ranch series -Obtained a C++ at NYU - thought it would be a good way to start to get a grasp on OO & design I would like to continue developing my skills, but most of all, re-orient how I am perceived as a professional. I am fully aware of how much a novice to this subject and would greatly appreciate any guidance anyone could give me. I currently have a job so full-time is not an option My goal is to become a software/ applications developer My questions are: -Should i take up a second bachelors in computer science? or a masters? or continue taking professional certificate programs (how are these viewed?) -If masters in computer science, would that make sense, if I dont have the formal foundation? (being a chief without ever being an Indian) -General advice for a novice to develop skill Thank You in advanced for helping me out.

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• Java game object pool management

  - by Kenneth Bray

  Currently I am using arrays to handle all of my game objects in the game I am making, and I know how terrible this is for performance. My question is what is the best way to handle game objects and not hurt performance? Here is how I am creating an array and then looping through it to update the objects in the array: public static ArrayList<VboCube> game_objects = new ArrayList<VboCube>(); /* add objects to the game */ while (!Display.isCloseRequested() && !Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) { for (int i = 0; i < game_objects.size(); i++){ // draw the object game_objects.get(i).Draw(); game_objects.get(i).Update(); //world.updatePhysics(); } } I am not looking for someone to write me code for asset or object management, just point me into a better direction to get better performance. I appreciate the help you guys have provided me in the past, and I dont think I would be as far along with my project without the support on stack exchange!

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• Subscription based eCommerce Site selling Physical Goods

  - by Kash

  I want to implement a system where customers can buy physical products as subscription with recurring billing. Customers will come to my site, visit product page and buy stuff. They need to register an account before purchasing. After registration they will be forwarded to payment processor for payment and after successful payment they will be returned back to my site. Requirement: I dont want to use Paypal as a payment processor. It will be recurring payment on monthly, quarterly, bi-annual or annual basis. Customers can login to my site in order to view their Order History, Profile Management and can edit their Billing and/or Shipping details. Customers can cancel their Subscription any time after login to their account on my site. Plan: Currently I am using wordpress with WooCommerce plugin for eCommerce functionality. I am planning to use Amazon as a payment processor. I have searched WooCommerce Extension Drectory and found WC Subscription extension that can be used for my site. But I just confirmed from the Support WC Subscription only support recurring payment with Paypal and Stripe, no other payment processor is supported at the moment. Questions: According to my need, what will be the best solution? I am open to switch the platform from Wordpress to something else that can fulfill my requirement.

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• Can't access any functions after chown command.

  - by explorex

  I am not being to access any functions in my desktop and I don't have an OS besides Ubuntu and I am new to Ubuntu. I think I rebooted my computer thinking that Google Chrome crashed. I opened Google Chrome but it showed opening message but never opened so I restarted my computer. and when my system was loading (I was playing with keyboard dont know what I typed) and when by Ubuntu loaded, I was unable to access anything some of characteristics are listed below: I cannot hear any sound I cannot access wired ethernet connection on the right corner where I usually enable to access internet and I have no internet. There is no local apache server either. when ever I try to start apacer I get setuid must be root or something. When I type sudo then I get message setuid must be root. I cannot access orther external storage devices like pendrive and portable hard drive and cannot mount my other drives with FAT32 filesystem. When I try to start my apache webserver with out typing sudo then I get message cannnot open socket or something like it. I remember also doing command chown -R www-data / earlier and got error message I cannot shutdown my computer, it only logs off

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• program logic of printing the prime numbers

  - by Vignesh Vicky

  can any body help to understand this java program it just print prime n.o ,as you enter how many you want and it works good class PrimeNumbers { public static void main(String args[]) { int n, status = 1, num = 3; Scanner in = new Scanner(System.in); System.out.println("Enter the number of prime numbers you want"); n = in.nextInt(); if (n >= 1) { System.out.println("First "+n+" prime numbers are :-"); System.out.println(2); } for ( int count = 2 ; count <=n ; ) { for ( int j = 2 ; j <= Math.sqrt(num) ; j++ ) { if ( num%j == 0 ) { status = 0; break; } } if ( status != 0 ) { System.out.println(num); count++; } status = 1; num++; } } } i dont understand this for loop condition for ( int j = 2 ; j <= Math.sqrt(num) ; j++ ) why we are taking sqrt of num...which is 3....why we assumed it as 3?

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• Algorithm allowing a good waypoint path following?

  - by Thierry Savard Saucier

  I'm more looking into how should I implement this, either a tutorial or even the name of the concept I'm missing. I'm pretty sure some basic pathfinding algorithm could help me here, but I dont know which one ... I have a worldmap, with different cities on it. The player can choose a city from a menu, or click on an available cities on the world map, and the toon should walk over there. But I want him to follow a predefine path. Lets say our hero is on the city 1. He clicks on city 4. I want him to follow the path to city 2 and from there to city 4. I was handling this easily with arrow movement (left right top bottom) since its a single check. Now I'm not sure how I should do this. Should I loop threw each possible path and check which one leads me to D the fastest ... and if I do how do I avoid running in circle forever with cities 1-5-2 ?

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• How do I install BCM4312 wireless drivers?

  - by t3ch

  completely new to Ubuntu. How do I add Wireless driver for my laptop? I am running a Dell XPS M1330. Right now its acts as if I dont have a Wi-Fi card. :~$ lspci 00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c) 00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port (rev 0c) 00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02) 00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02) 00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2) 00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 02) 00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02) 01:00.0 VGA compatible controller: nVidia Corporation G86 [GeForce 8400M GS] (rev a1) 03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05) 03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22) 03:01.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12) 03:01.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12) 09:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast Ethernet PCI Express (rev 02) 0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

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• Collapsing Bookmarks

  - by Tim Dexter

  I said I would tackle documenting some of the new features in the 10.1.3.4.1 roll up patch I mentioned last week. With the patch you can now set the default state of bookmarks (if you create them) in your PDF outputs. If your users prefer to see them all collapsed to the base level or may be collapsed to the second level to ease navigation; whatever they need. Its another opportunity for you to look like a star! You of course need to start with a table of contents; then add the convert|copy to bookmarks command. You can then add the new collapse command to set the appropriate level in the bookmarks. <?copy-to-bookmark:?> <?collapse-bookmark:show;2?> <<< Table of Contents >>> <?end convert-to-bookmark?> The command allows you to expand or collapse the bookmarks as you need. Of course you will know how many levels you will have in the final output document. The command takes the form: <?collapse-bookmark:show|hide;level int?> Some examples <?collapse-bookmark:hide;1?> <?collapse-bookmark:hide;2?> <?collapse-bookmark:hide;3?> Sample template and data here. Dont forget you need that 10.1.3.4.1 roll up!

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• Non-Profit Technololgy for Non-Profits?

  - by TomJ

  I've been looking around for a way to give back to the community, but I haven't found my right fit yet, so an idea came to mind: A non-profit technology "company" that targets non-profits. Do these exist? I've been doing some google searches and can only find software that is targeted for non-profits that is created by for-profit companies or that charges what I believe to be an outrages amount, conferences directed towards non-profits and technology they may use -- or articles complaining about the digital divide and how non-profits view technology as key but dont have the funds or the knowledge to employ it. Pseudo "Business Model" An open source 501(3)(c) organization that targets directly targets non-profits to fill the "digital divide." Most services would be free and consulting fees would be charged for customization. Donations would be accepted and government grants would be sought after. This would enable non-profits to keep pace with the for-profits in the technology sector, but at little to no cost. Perhaps the first "industry" to be targeted would be those that fill key social needs like unemployment, or food banks.

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• How do I install Postgres Graphical Installer?

  - by Tusar Das

  I am a newbie in using Ubuntu (more precisely never used linux except the production deployment ). Now I choose to hold a grip on the system and intalled a latest 11.10 Ubuntu in my 32 bit Intel** desktop. In this machine **I have a 'administrator' user 'tusar'. I want to install the PostgreSQL graphical version so downloaded this file postgresql-8.4.9-1-linux.bin from here Now If run the file with ./filename command (refuses if I am not root), it opens up the graphical interface and completes the installation (creates user postgres and ask for password, wont complete if I dont give valid password). I checked with /etc/inint.d/postgresql-8.4 status , that postgres is running. But the problem is I am unable to open the GUI (I installed it in /opt/Postgresql ), its telling permission denied even if I am logged in as 'tusar'. Then I tried using the su postgres command and it directly changed the user without password. Now if I run the psql , createdb , its prompting me to install the postgres-client-package but this utilies are already installed and I can view them in my /opt/Postgresql/8.4/bin folder. I can run query through my JDBC utility programs but unable to use neither terminal nor the graphical interface (although I can see pgAdmin3 is there ). Urgent help needed. I have used this guide for the installation.

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• Join Domain and Dos App

  - by Austin Lamb

  ok, So First off yes i have read all the related topics and those fixs are either out of date or dont work. i am running ubuntu 12.04 and i would like to add it to the win2008 server network, after i get that done i would like to mount the F:\ drive of the server somewhere on my linux machine where it can be identified as Drive F:\ by wine or Dosemu if i can achieve all of that i need to find out how to run a MS-Dos 16-bit Point-of-sales Graphic program in ubuntu whether that be through wine, dosemu, or dosBox. it does not matter it just has to be able to read and write to the servers F: drive, operate the dos app, and support LPt1 (i think) for printing reciepts and loading tickets. i am a decently knowledgeable windows tech, at least thats what my job description says.. but this is my first encounter with linux in a work environment, it could prove to very experience changing if i can just prove it as a practical theory and a reasonable solution, and get it to work.. the first step is to get it joined to the domain. i have likewise-open CLI and GUI versions, samba, and GADMIN-SAMBA installed in attempts to get any of them to work. any help in any area is greatly appreciated, especially with the domain joining since it is the first step and what i thought would be the easiest step..

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• Create Pivot collections much faster than DeepZoomTools CollectionCreator class

  - by John Conwell

  I've been playing with Microsoft Live Labs Pivot to create a hierarchy of collections all linked together to allow someone to explore a hierarchy of data visually. The problem has been the generation time of the entire hierarchy. I end up creating 500 - 600 collections total and it takes hours and hours using the CollectionCreator class that comes with the DeepZoomTools.  So digging around I found a way to make the actual DeepZoom collection creation wicked fast. Dont use the CollectionCreator!  Turns out Pivot doesnt actually use the image pyramid generated by the CollectionCreator. Or if it does, its only when you open a new collection it shows all the images zooming in. But once the zoom in is complete, Pivot uses the individual DeepZoom images. What Pivot does need is the xml generated by the CollectionCreator, which is in a very simple format.  So what i did was manually generate the xml for the collection image pyramid, and then create the folder structure required (one folder per level of the pyramid), and put a single pixel png file in each folder.  Now, I can create the required files and folders for 500 collections in about 10 seconds. Sweet! Now you still have to use the ImageCreator to create a DeepZoom image for each image in the collection and that still takes some time, but at least the total processing time is way better.

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• How can I start the desktop without having to "startx"?

  - by gtldsp

  I dont want to start every time startx is there any way to get GUI Direct login screen. my files are root@ubuntu:~# locate org.conf /usr/share/X11/xorg.conf.d /usr/share/X11/xorg.conf.d/10-evdev.conf /usr/share/X11/xorg.conf.d/11-evdev-quirks.conf /usr/share/X11/xorg.conf.d/11-evdev-trackpoint.conf /usr/share/X11/xorg.conf.d/50-synaptics.conf /usr/share/X11/xorg.conf.d/50-vmmouse.conf /usr/share/X11/xorg.conf.d/50-wacom.conf /usr/share/X11/xorg.conf.d/51-synaptics-quirks.conf /usr/share/man/man5/xorg.conf.5.gz /usr/share/man/man5/xorg.conf.d.5.gz root@ubuntu:~# cd /usr/share/X11/xorg.conf.d root@ubuntu:/usr/share/X11/xorg.conf.d# ll total 36 drwxr-xr-x 2 root root 4096 Apr 23 04:38 ./ drwxr-xr-x 5 root root 4096 Apr 23 04:38 ../ -rw-r--r-- 1 root root 1099 Apr 4 17:04 10-evdev.conf -rw-r--r-- 1 root root 590 Mar 15 08:52 11-evdev-quirks.conf -rw-r--r-- 1 root root 364 Mar 15 08:52 11-evdev-trackpoint.conf -rw-r--r-- 1 root root 956 Apr 13 06:00 50-synaptics.conf -rw-r--r-- 1 root root 115 Mar 22 09:54 50-vmmouse.conf -rw-r--r-- 1 root root 842 Mar 30 03:13 50-wacom.conf -rw-r--r-- 1 root root 590 Apr 13 05:59 51-synaptics-quirks.conf root@ubuntu:/usr/share/X11/xorg.conf.d# Please provide me step by step details.

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• Ubuntu Software Centre Issue (unity 11.10) after broken sun-java6-jre package installation

  - by Stephen Myall

  I have been installing software packages from USC and I am getting the following error message. Worked fine one minute then the message below. Tried to search but couldn't find a solution Previously I was installing the sun-java6-jre package in terminal and had an connection outage and it didnt complete. I attempted an apt-get -f install with no success. i dont know what to try next. I'm relatively new to Linux. The answer provided with a similar question on this site didnt resolve the issue for meClick on this link An unhandlable error occured There seems to be a programming error in aptdaemon, the software that allows you to install/remove software and to perform other package management related tasks. Details File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1092, in _simulate_helper return depends, self._cache.required_download, \ File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 235, in required_download pm.get_archives(fetcher, self._list, self._records) SystemError: E:I wasn't able to locate a file for the sun-java6-jre package. This might mean you need to manually fix this package. Terminal Output Link http://dl.dropbox.com/u/48466855/Terminal%20output.odt

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• What packages can i use to unroll a complete store with customer service?

  - by acidzombie24

  I havent bought the server yet (possible VPS) but i am thinking about using linux with apache and mono for asp.net support. I don't know much about this. What packages can i use together to have a store with customer support? What i like is 1) A store to purchase one item (its digital). More may be possible but they are likely to be addons which need the first item. 2) Have the the store send messages to my app which will generate registration key and deliver the digital item. 3) Create an account for that customer on a support site used for tickets 4) A Forum. I'd like a private forum for customers and may want their account to be disabled when their product license has expired. 5) A mailing list. I like non customers be able to subscribe to a list and i'd like to know if any customers are on it so i can send different emails to each if desired. Are there packages that make any of these easy? I dont mind writing glue code if i need to but i havent tried any stores, mailing list, ticket system but have installed a forum once long ago. My mail server will likely be through google apps.

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• ThinkPad TrackPoint Buttons Not Working Well

  - by Oscar Godson

  The TrackPoint itself works fine. But the three buttons below the spacebar don't. For example if I were to copy these lines, 1-10, using trackpoint buttons it'd start highlighting at 7. If I use the main TrackPad (the part every laptop) and it's buttons it works normal, 1-10: 1 2 3 4 5 6 7 8 9 10 It's like the button doesn't register right away. I use the TrackPoint ALL the time. I love it and I don't think I can go back to the normal TrackPad, so is there anyway to fix this? An app or setting? Also, the middle button to scroll isn't working at all I tried: Middle Button on ThinkPad Not Working with 10.10 update And put it in /usr/share/... and /usr/lib... neither seem to work. They USED to work. I used to be able to use that method of fixing it, but it seems in 11.04 this doesnt work? I dont wanna give up on Ubuntu yet...

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• Sendmail encrypted

  - by user1948828

  I manage a website running on Apache. It has public and private areas. When people apply for an account to access the protected portions of the site, they do a TLS/SSL protected POST containing their information which is saved to a (hopefully) nonpublic directory on the server. Then I have a python script which takes URL Encoded POSTS with this user information, sends back a plaintext confirmation to the applicant, encrypts their information with a freeware java command-line utility to protect it (specifically this one: http://spi.dod.mil/ewizard.htm), base64 encodes them, puts them in a file as a mime attachment and uses sendmail to forward the file information to my (and several coworkers' scattered around the country) email account(s) on an Exchange server with Outlook clients. This has worked well for years, but is awkward because it involves manually decrypting the information on a windows box once it is received, using the above mentioned encryption utility. This significantly limits how many can be processed. I would like to be able to encrypt my information in a format that Outlook/Exchange can inherently understand and display so that these emails can be viewed simply by clicking on them. I do have company provided PKI public certs for all the people I need to send to, and am able to send/receive encrypted emails on Outlook manually, but would like to know how I can send to Outlook from apache/linux/python from the command line using the same PKI certs. Dont need to receive them, just send. Is there a utility that can do this? I had thought pgp might but I havent been able to figure it out.

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• PHP not working with hosting

  - by Richard

  I have been playing with a php CMS site for someone that I am ready to deploy but am running into a couple problems that I assume to be hosting related. I have been developing and playing with it localy and deploying to a hosting environment friendly towards this specific CMS (joomla). I have recently been trying to deploy to a client's hosting and have been running in to some trouble. Any help would be greatly appreciated. I have been in contact with the clients hosting and have had them set up a mysql DB for me and enable php. Simple php was working but joomla was not able to create the config files it needed to run on this hosting. Therefore I havnt been able to successfully deploy my work. While playing around with some simple php pages I have started getting http 500 errors and now cant seem to get anywhere. This is a smaller hosting company that seems willing to work with me but I dont really know what i need to ask from them to get me working. My questions to you webmaster geniuses would be as follows: Given the situation I have described, is there anything specifically i should do to get my joomla/php site running on this hosting? What specifically should I ask my current hosting providers to do to help me get working? Thanks

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• looking for a short explanation of fuzzy logic

  - by user613326

  Well i got the idea that basics of fuzzy logic are not that hard to grasp. And i got the feeling that someone might explain it to me in like 30 minutes. Just like i understand neural networks and am able to re-create the famous Xor problem. And go just beyond it and create 3 layer networks of x nodes. I'd like to understand fuzzy till a similar usefully level, in c# language. However the problem is face, I'd like to get concept right however i see many websites who include lots of errors in their basic explaining. Like for example showing pictures and use different numbers as shown in pictures to calculate, as if lots of people just copied stuff without noticing what they write down. While others for me go to deep in their math notation) To me that's very annoying to learn from. For me there is no need to re-invent wheel; Aforge already got a fuzzy logic framework. So what i am looking for are some good examples, good examples like how the neural XOR problem is solved. Is there anyone such a instructional resource out there; do you know a web page, or YouTube where it is shortly explained, what would you recommend me ? Note this article comes close; but it just doesnt nail it for me. After that i downloaded a bunch of free PDF's but most are academic and hard to read for me (i'm not English and dont have a special math degree). (i've been looking around a lot for this, good starter material about it is hard to find).

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