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• Dedicated GPU in Dell PowerEdge C1100

  - by Eli Gundry

  We recently purchased a Dell PowerEdge C1100 off lease with the initention of using it for graphics processing. We installed an AMD HD 7000 series GPU in it that runs off of board power and it sends video to the display. That said, the video is very choppy, leading us to belive that the onboard video is doing all the processing and sending it to the card. Is there any way to either disable the VGA on this server or tell the OS to only use the dedicated card. More info: The server is running REHL 6.4 The graphics running the proprietary AMD drivers The video card only works in OS and does not show the BIOS on boot (we know that it's impossible to change this) Any ideas, guys? Update We are now thinking that the GPU is doing the graphics processing, but not working at the full speed of the PCI bus. Which is odd, because it is an x16 slot, but probably optimized to use a RAID card (if that makes any sense). Is there any way to remedy the choppy graphics on this server?

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• Encrypting a non-linux partition with LUKS.

  - by linuxn00b

  I have a non-Linux partition I want to encrypt with LUKS. The goal is to be able to store it by itself on a device without Linux and access it from the device when needed with an Ubuntu Live CD. I know LUKS can't encrypt partitions in place, so I created another, unformatted partition of the EXACT same size (using GParted's "Round to MiB" option) and ran this command: sudo cryptsetup luksFormat /dev/xxx Where xxx is the partition's device name. Then I typed in my new passphrase and confirmed it. Oddly, the command exited immediately after, so I guess it doesn't encrypt the entire partition right away? Anyway, then I ran this command: sudo cryptsetup luksOpen /dev/xxx xxx Then I tried copying the contents of the existing partition (call it yyy) to the encrypted one like this: sudo dd if=/dev/yyy of=/dev/mapper/xxx bs=1MB and it ran for a while, but exited with this: dd: writing `/dev/mapper/xxx': No space left on device just before writing the last MB. I take this to mean the contents of yyy was truncated when it was copied to xxx, because I have dd'd it before, and whenever I have dd'd to a partition of the exact same size, I never get that error. (and fdisk reports they are the same size in blocks). After a little Googling I discovered all luksFormat'ted partitions have a custom header followed by the encrypted contents. So it appears I need to create a partition exactly the size of the old one + however many bytes a LUKS header is. What size should the destination partition be, no. 1, and no. 2, am I even on the right track here? UPDATE I found this in the LUKS FAQ: I think this is overly complicated. Is there an alternative? Yes, you can use plain dm-crypt. It does not allow multiple passphrases, but on the plus side, it has zero on disk description and if you overwrite some part of a plain dm-crypt partition, exactly the overwritten parts are lost (rounded up to sector borders). So perhaps I shouldn't be using LUKS at all?

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• 1and1: Unable to host an external domain

  - by Django Reinhardt

  I'm sorry if this isn't the right place for this question, but I'm presently having difficulties with my hosting provider (1and1). Two weeks ago, two of my clients bought hosting from them on my recommendation, but as it turned out, 1and1 are having severe technical difficulties. Right now non of their hosting packages are able to accept ANY external domains. So either you pay the costs of transferring the registrar of your domain, or you use the ugly 1and1 domain name. Not any good for a hosting company of 1and1's reputation! They have been promising me for two weeks that they're going to fix the problem, but as you have probably guessed by now, that hasn't been the case. I would like to know if a) Anyone else is in the same boat as me, and b) If there are other comparably reputable hosting providers that I should consider moving to instead? Very disappointing! :( Note: This is for 1and1 in the UK. I imagine it isn't affecting users in other countries(?) Clarification: 1and1 are unable to accept ANY external domains. That means that even if you update your DNS details on your domain, their system cannot be updated to add your external domain to your account.

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• How can I make a game like doodlejump XNA c#

  - by Ramy

  I wanted to know how can I make the background scroll down like doodlejump. I have a game made and I have to transform it so it's like doodle jump, but I'm wonder how or where to look so I can make he background keep moving as in progressing through the background till let's say the character dies. namespace IFM20884 { using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Content; using Microsoft.Xna.Framework.Graphics; public abstract class BackgroundScroll : Sprite { private float speedOfBackground = 0.2f; // speed that the background moves public BackgroundScroll (GraphicsDeviceManager graphics) : base(graphics.GraphicsDevice.Viewport.Width / 2f, graphics.GraphicsDevice.Viewport.Height / 2f) { } //Getter public float speedOfBackground { get { return this.speedOfBackground ; } set { this.speedOfBackground = value; } } public override void Update(GameTime gameTime, GraphicsDeviceManager graphics) { //Makes background go down. ForcePosition(Position.X, Position.Y + (gameTime.ElapsedGameTime.Milliseconds * this.speedOfBackground )); if (Position.Y - (Height / 2) > graphics.GraphicsDevice.Viewport.Height) { ForcePosition(Position.X, Position.Y - this.Height); } } public override void Draw(SpriteBatch spriteBatch) { ForcePosition(Position.X, Position.Y - this.Height); base.Draw(spriteBatch); ForcerPosition(Position.X, Position.Y + this.Height); base.Draw(spriteBatch); } } }

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• Bandwidth Limit User

  - by user45611

  Hello, i'm saxtor i would like to know how to limit users bandwidth for 10gb per day however i dont want to limit them by ipaddress because if they where to go to an internet cafe the users at the cafe will be restricted with that quota, i need to log them via sockets, example the user request to download a file from http://localhost with there username and password, when they download the file sql will update there bandwidth they used, i have a script here but its not working my buffer doesnt work that rate when a user uses multiple connections thanks for the help!. /** * @author saxtor if you can improve this code email me @saxtorinc.com * @copyright 2010 / /* * CREATE TABLE IF NOT EXISTS max_traffic ( id int(255) NOT NULL AUTO_INCREMENT, limit int(255) NOT NULL, PRIMARY KEY (id) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=0 ; */ //SQL Connection [this is hackable for testing] date_default_timezone_set("America/Guyana"); mysql_connect("localhost", "root", "") or die(mysql_error()); mysql_select_db("Quota") or die(mysql_error()); function quota($id) { $result = mysql_query("SELECT `limit` FROM max_traffic WHERE id='$id' ") or die(error_log(mysql_error()));; $row = mysql_fetch_array($result); return $row[0]; } function update_quota($id,$value) { $result = mysql_query("UPDATE `max_traffic` SET `limit`='$value' WHERE id='$id'") or die(mysql_error()); return $value; } if ( quota(1) != 0) $limit = quota(1); else $limit = 0; $multipart = false; //was a part of the file requested? (partial download) $range = $_SERVER["HTTP_RANGE"]; if ($range) { //pass client Range header to rapidshare // _insert($range); $cookie .= "\r\nRange: $range"; $multipart = true; header("X-UR-RANGE-Range: $range"); } $url = 'http://127.0.0.1/puppy.iso'; $filename = basename($url); //octet-stream + attachment = client always stores file header('Content-type: application/octet-stream'); header('Content-Disposition: attachment; filename="'.$filename.'"'); //always included so clients know this script supports resuming header("Accept-Ranges: bytes"); //awful hack to pass rapidshare the premium cookie $user_agent = ini_get("user_agent"); ini_set("user_agent", $user_agent . "\r\nCookie: enc=$cookie"); $httphandle = fopen($url, "r"); $headers = stream_get_meta_data($httphandle); $size = $headers["wrapper_data"][6]; $sizer = explode(' ',$size); $size = $sizer[1]; //let's check the return header of rapidshare for range / length indicators //we'll just pass these to the client foreach ($headers["wrapper_data"] as $header) { $header = trim($header); if (substr(strtolower($header), 0, strlen("content-range")) == "content-range") { // _insert($range); header($header); header("X-RS-RANGE-" . $header); $multipart = true; //content-range indicates partial download } elseif (substr(strtolower($header), 0, strlen("Content-Length")) == "content-length") { // _insert($range); header($header); header("X-RS-CL-" . $header); } } if ($multipart) header('HTTP/1.1 206 Partial Content'); flush(); $speed = 4128; $packet = 1; //this is private dont touch. $bufsize = 128; //this is private dont touch/ $bandwidth = 0; //this is private dont touch. while (!(connection_aborted() || connection_status() == 1) && $size > 0) { while (!feof($httphandle) && $size > 0) { if ($limit <= 0 ) $size = 0; if ( $size < $bufsize && $size != 0 && $limit != 0) { echo fread($httphandle,$size); $bandwidth += $size; } else { if( $limit != 0) echo fread($httphandle,$bufsize); $bandwidth += $bufsize; } $size -= $bufsize; $limit -= $bufsize; flush(); if ($speed > 0 && ($bandwidth > $speed*$packet*103)) { usleep(100000); $packet++; //update_quota(1,$limit); } error_log(update_quota(1,$limit)); $limit = quota(1); //if( $size <= 0 ) // exit; } fclose($httphandle); } exit; ?

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• links for 2011-02-22

  - by Bob Rhubart

  Eleven BI trends for 2011 | ITWeb Business Intelligence (tags: ping.fm) The Buttso Blathers: WebLogic Schema Files Buttso shares a link. (tags: orale weblogic) Cloud Computing & Enterprise Architecture | Open Group Blog "On the first look, it may seem like Enterprise Architecture is irrelevant in a company if your complete IT is running on Cloud Computing, SaaS and outsourcing/offshoring. I was of the same opinion last year. However, it is not the case. In fact, the complexity is going to get multiplied." (tags: opengroup cloud enterprisearchitecture) James Taylor: Change Logging Level for SOA 11g James says: "I’m sure there are many blogs out there that have this solution. But I seem to get asked this question a lot so I thought I would post it here for my convenience. (tags: oracle middleware soa) David Linthicum: The Truth behind Standards, SOA, and Cloud Computing "Most of the standards we've worked on in the world of SOA over the past several years are applicable to the world of cloud computing. Cloud computing is simply a change in platform, and the existing architectural standards we leverage should transfer nicely to the cloud computing space." - David Linthicum (tags: enterprisearchitecture soa cloud) C. Martin Harris, MD: HIMSS11 Update from the Chairman "We cannot allow ourselves to focus exclusively on near term goals. Our real goal is a technology-driven transformation of healthcare that will never stop. A true transformation is a process of lessons learned and applied, that continually open broad new horizons of opportunity." - C. Martin Harris, MD (tags: enterprisearchitecture modernization)

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• How do I detect and handle collisions using a tile property with Slick2D?

  - by oracleCreeper

  I am trying to set up collision detection in Slick2D based on a tilemap. I currently have two layers on the maps I'm using, a background layer, and a collision layer. The collision layer has a tile with a 'blocked' property, painted over the areas the player can't walk on. I have looked through the Slick documentation, but do not understand how to read a tile property and use it as a flag for collision detection. My method of 'moving' the player is somewhat different, and might affect how collisions are handled. Instead of updating the player's location on the window, the player always stays in the same spot, updating the x and y the map is rendered at. I am working on collisions with objects by restricting the player's movement when its hitbox intersects an object's hitbox. The code for the player hitting the right side of an object, for example, would look like this: if(Player.bounds.intersects(object.bounds)&&(Player.x<=(object.x+object.width+0.5))&&Player.isMovingLeft){ isInCollision=true; level.moveMapRight(); } else if(Player.bounds.intersects(object.bounds)&&(Player.x<=(object.x+object.width+0.5))&&Player.isMovingRight){ isInCollision=true; level.moveMapRight(); } else if(Player.bounds.intersects(object.bounds)&&(Player.x<=(object.x+object.width+0.5))&&Player.isMovingUp){ isInCollision=true; level.moveMapRight(); } else if(Player.bounds.intersects(object.bounds)&&(Player.x<=(object.x+object.width+0.5))&&Player.isMovingDown){ isInCollision=true; level.moveMapRight(); } and in the level's update code: if(!Player.isInCollision) Player.manageMovementInput(map, i); However, this method still has some errors. For example, when hitting the object from the right, the player will move up and to the left, clipping through the object and becoming stuck inside its hitbox. If there is a more effective way of handling this, any advice would be greatly appreciated.

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• kernel: journal commit I/O error

  - by jasondewitt

  I am having some problems with a Dell 1950 server. I am installing RHEL 4.6 along with Oracle and some other software on here. I am randomly getting an error message saying "kernel: journal commit I/O error" on my ssh session and on the monitor I have hooked up to the server I see an error scrolling by that says "EXT3-fs error (device sda5) in start_transaction: Journal has aborted." It has happened several times but never at the same point during the install. Actually, this last time the system was up and running and I was just trying to import a database into oracle. This has happened on several hard drives, so I'm pretty sure that is not the problem. This makes me think the raid controller is going bad. What do you guys think? ** UPDATE ** Pretty sure it was a bad hard drive. I threw another drive in the server and it's been running for about 48 hours with out problems.

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• No GUI after upgrade to Ubuntu 9.10 (boots to command line)

  - by Gathris

  I have just upgraded to Ubuntu 9.10 (network upgrade using the update manager, from 9.04 which had different graphics related problems) and when I try to boot into it all I get a small Ubuntu logo, flickering text and then the tty1 command line with a logon prompt. startx gives following error: Fatal server error: no screens found I traced down a tutorial that said I needed the latest graphics drivers (Gigabyte ATI Radeon 4650 HD installed with 9.10 catalyst drivers) so I did using the 'sh' command and a USB stick (I have a working Windows partition) and it installed fine but did not fix the problem. Edit: Thanks to UK and Arjan van Bentem below I was able to understand the full error message of start x: Parse error on lone 2 of /etc/X11/xorg.conf 'nameserver' is not a valid keyword in this section Fatal server error: no screens found This has nothing to do with a graphical error (sorry if I misled anyone) but the xorg.conf file has 3 lines in it and lines 2-3 have an entry 'nameserver'. Using the nano command I commented out (using a # before the entries) the nameservers and can now boot Ubuntu. Thanks to everyone for their help.

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• How to advocate Stack Overflow at work

  - by Gordon

  I am thinking of doing a short presentation at work about using Stack Overflow as a resource for your day job. What is the experience doing this? Would you deem it a valid resource to tell you colleagues about or is it similar to telling them about Google as a resource? Is there a better way of doing it? I was leaning toward asking questions side of Stack Overflow rather than answering them to avoid you-shouldn't-be-doing-this-on-work-time argument. Just as a follow up. Originally I didn't want to make the question to specific to my own case. My presentation will only be a quick four minute talk, which I will repeat over an hour to different groups. I may ask a question before the talk on Stack Overflow and refer to it during the presentation. Hopefully I will get some activity during the hour. I am also going to talk briefly about some of the other Stack Exchange sites that would fit the audience as they are not all developers. I think Super User, Server Fault and Programmers should work well. I will not be doing the presentation for another couple of months as it has be rescheduled, but I will update on how I got on.

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• We've Been Busy: World Tour 2010

  - by Brian Dayton

  Right after Oracle OpenWorld 2009 we went right into planning for our 2010 World Tour. An ambitious 90+ city tour visiting cities on every continent.   The Oracle Applications Strategy Update Tour started January 19th and is in full swing right now. We've put some heavy hitters on the road. If you didn't get a chance to see Steve Miranda, Senior Vice President of Oracle Application Development in Tokyo, Anthony Lye, Senior Vice President of Oracle CRM Development in New Delhi or Sonny Singh, Senior Vice President of Oracle Industries Business Unit in Stockholm don't worry...we're not done yet. The theme, Smart Strategies: Your Roadmap to the Future is a nod to the fact that everyone needs to be smart about what's going on in their business and industry right now. But just as important---how to make sure that you're on the course to where you need to be down the road. Get the big picture and key trends in "The New Normal" of today's business climate and drill down and find out about the latest and greatest innovations in Oracle Applications. Check out http://www.oracle.com/events/applicationstour/index.html for an upcoming tour date near you. Pictures, feedback, summaries and learnings from the tour to come soon.

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• SQLAuthority News – Download SQL Server 2012 SP1 CTP4

  - by pinaldave

  There are few trends I often see in the industry, for example i) running servers on n-1 version ii) wait till SP1 to released to adopt the product. Microsoft has recently released SQL Server 2012 SP1 CTP4. CTP stands for Community Technology Preview and it is not the final version yet. The SQL Server 2012 SP1 CTP release is available for testing purposes and use on non-production environments. What’s new for SQL Server 2012 SP1: AlwaysOn Availability Group OS Upgrade: Selective XML Index FIX: DBCC SHOW_STATISTICS works with SELECT permission New dynamic function returns statistics properties SSMS Complete in Express SlipStream Full installation Business Intelligence Excel Update You can download SQL Server 2012 SP1 CTP4 from here. SQL Server 2012 SP1 CTP4 feature pack is available for download from here. Additionally, SQL Server 2012 SP1 CTP Express is available to download as well from here. Note that SQL Server 2012 SP1 CTP has SSMS as well. Reference: Pinal Dave (http://blog.SQLAuthority.com)       Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• On boot firmware request for intel GMA 3100 chipset timing out

  - by Yannick M.

  I am currently in the process of installing a Gentoo linux box with a Vanilla 2.6.29-r5 kernel with gentoo-xen-kernel patches in order to run the Xen Hypervisor. After rebooting with the new kernel, the booting process seemed to hang on: [ 0.863005] platform microcode: firmware: requesting intel-ucode/06-0f-07 [ 60.863442] Microcode Update Driver: v2.00-xen <[email protected]>, Peter Oruba Apparently the firmware request times out after 60 seconds (/sys/class/firmware/timeout) and booting just continues. I have done some research and have found that on RHEL-4 this problem was related to the mount of /sys changed and the firmware.agent hotplug script couldn't parse the line correctly. However I am having some difficulty tracking down how to fix this on Gentoo. Any and all ideas are greatly appreciated! Thanks

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• LDAP System Authentication in Ubuntu

  - by andrew

  Hi, I'm having a bit of an issue with system authentication against LDAP in Ubuntu. The LDAP server is OpenLDAP on Ubuntu 10.10, and the client is Ubuntu 10.10 also. I've set up the client by following the "LDAP Authentication" steps at https://help.ubuntu.com/10.10/serverguide/C/openldap-server.html apt-get install libnss-ldap; auth-client-config -t nss -p lac_ldap; pam-auth-update I've done these steps on the server and been able to see LDAP users when running getent passwd. Doing the same steps on the client, getent passwd does not return any LDAP users. Any ideas?

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• Logging library for (c++) games

  - by Klaim

  I know a lot of logging libraries but didn't test a lot of them. (GoogleLog, Pantheios, the coming boost::log library...) In games, especially in remote multiplayer and multithreaded games, logging is vital to debugging, even if you remove all logs in the end. Let's say I'm making a PC game (not console) that needs logs (multiplayer and multithreaded and/or multiprocess) and I have good reasons for looking for a library for logging (like, I don't have time or I'm not confident in my ability to write one correctly for my case). Assuming that I need : performance ease of use (allow streaming or formating or something like that) reliable (don't leak or crash!) cross-platform (at least Windows, MacOSX, Linux/Ubuntu) Wich logging library would you recommand? Currently, I think that boost::log is the most flexible one (you can even log to remotely!), but have not good performance update: is for high performance, but isn't released yet. Pantheios is often cited but I don't have comparison points on performance and usage. I've used my own lib for a long time but I know it don't manage multithreading so it's a big problem, even if it's fast enough. Google Log seems interesting, I just need to test it but if you already have compared those libs and more, your advice might be of good use. Games are often performance demanding while complex to debug so it would be good to know logging libraries that, in our specific case, have clear advantages.

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• Which data structure should I use for dynamically generated platforms?

  - by Joey Green

  I'm creating a platform type of game with various types of platforms. Platforms that move, shake, rotate, etc. Multiple types and multiple of each type can be on the screen at once. The platforms will be procedural generated. I'm trying to figure out which of the following would be a better platform system: Pre-allocate all platforms when the scene loads, storing each platform type into different platform type arrays( i.e. regPlatformArray ), and just getting one when I need one. The other option is to allocate and load what I need when my code needs it. The problem with 1 is keeping up with the indices that are in use on screen and which aren't. The problem with 2 is I'm having a hard time wrapping my head around how I would store these platforms so that I can call the update/draw methods on them and managing that data structure that holds them. The data structure would constantly be growing and shrinking. It seems there could be too much complexity. I'm using the cocos2d iPhone game engine. Anyways, which option would be best or is there a better option?

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• Internet (Flash) video without a PC

  - by Rob Allen

  I am looking to retire my HTPC. So much of what we do with it can be done with one of our video game consoles or an AppleTV that is seems like a waste of space, power and time to maintain. The trouble is that my wife does streaming yoga classes served up via specific websites. I am assuming they are Flash based and so far I have been unable to find Apps for these content providers. My question is, is there a GOOD way to handle flash-based or even HTML5/h.264 web content with one of the other Internet enabled devices in our stack? So far we have: Nintendo Wii Playstation 3 XBox 360 And we're looking to purchase a current generation AppleTV. update The sites are YogisAnonymmous.com and YogaJournal.com, both are confirmed as Flash.

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• How do I load tmx files with Slick2d?

  - by mbreen

  I just started using Slick2D and learned how simple it is to load in a tilemap and display it. I tried atleast a dozen different tmx files from numerous examples to see if it was the actual file that was corrupted. Everytime I get this error: Exception in thread "main" java.lang.RuntimeException: Resource not found: data/maps/desert.tmx at org.newdawn.slick.util.ResourceLoader.getResourceAsStream(ResourceLoader.java:69) at org.newdawn.slick.tiled.TiledMap.<init>(TiledMap.java:101) at game.Game.init(Game.java:17) at game.Tunneler.initStatesList(Tunneler.java:37) at org.newdawn.slick.state.StateBasedGame.init(StateBasedGame.java:164) at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:390) at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314) at game.Tunneler.main(Tunneler.java:29) Here is my Game class: package game; import org.newdawn.slick.GameContainer; import org.newdawn.slick.Graphics; import org.newdawn.slick.SlickException; import org.newdawn.slick.state.BasicGameState; import org.newdawn.slick.state.StateBasedGame; import org.newdawn.slick.tiled.TiledMap; public class Game extends BasicGameState{ private int stateID = -1; private TiledMap map = null; public Game(int stateID){ this.stateID = stateID; } public void init(GameContainer container, StateBasedGame game) throws SlickException{ map = new TiledMap("data/maps/desert.tmx","maps");//ERROR } public void render(GameContainer container, StateBasedGame game, Graphics g) throws SlickException{ //map.render(0,0); } public void update(GameContainer container, StateBasedGame game, int delta) throws SlickException{ } public int getID(){return stateID;} } I've tried to see if anyone else has had similar problems but haven't turned up anything. I am able to load other files, so I don't believe it's a compiler issue. My menu class can load images and display them just fine. Also, the filepath is correct. Please let me know if you have any pointers that might help me sort this out.

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• GlusterFs - high load 90-107% CPU

  - by Sara

  I try and try and try to performance and fix problem with gluster, i try all. I served on gluster webpages, php files, images etc. I have problem after update from 3.3.0 to 3.3.1. I try 3.4 when i think maybe fix it but still the same problem. I temporarily have 1 brick, but before upgrade will be fine. Config: Volume Name: ... Type: Replicate Volume ID: ... Status: Started Number of Bricks: 0 x 2 = 1 Transport-type: tcp Bricks: Brick1: ...:/... Options Reconfigured: cluster.stripe-block-size: 128KB performance.cache-max-file-size: 100MB performance.flush-behind: on performance.io-thread-count: 16 performance.cache-size: 256MB auth.allow: ... performance.cache-refresh-timeout: 5 performance.write-behind-window-size: 1024MB I use fuse, hmm "Maybe the high load is due to the unavailable brick" i think about it, but i cant find information on how to safely change type of volume. Maybe u know how?

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• Oracle Virtualbox does not open since upgrade

  - by Langjan

  After upgrading to Ubuntu 12.10, I have been unable to restart my Oracle virtualbox. jan@jan-System-Product-Name:~$ sudo /etc/init.d/vboxdrv setup sudo: /etc/init.d/vboxdrv: command not found Where do I go from here? Can anyone help, please? I tried to install virtualbox via these commands: echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc) contrib" | sudo tee /etc/apt/sources.list.d/virtualbox.list wget -q http://download.virtualbox.org/virtu...racle_vbox.asc -O- | sudo apt-key add - sudo apt-get update sudo apt-get install virtualbox-4.2 Attempts to install via package manager vbox would not start. These error reports are received: Because the USB 2.0 controller state is part of the saved VM state, the VM cannot be started.To fix this problem, either install the 'Oracle VM VirtualBox Extension Pack' or disable USB 2.0 support in the VM settings (VERR_NOT_FOUND). Result Code: NS_ERROR_FAILURE (0x80004005) Component: Console Interface: IConsole {db7ab4ca-2a3f-4183-9243-c1208da92392} I installed the extension pack, no change in result. I have added myself as user, but the error report says user must be added, when I redo add user, it says user is already added. The following outputs were also received:   Failed to open a session for the virtual machine Nuwe skelm. Implementation of the USB 2.0 controller not found! I cannot access the USB 2.0 setting to disable it. Where do I go from here, please?

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• How to Fix Mail Server SSL?

  - by Noah Goodrich

  Our mail server was originally setup using self-created certificates, however when those expired and I tried to recreate them, the whole thing just blew up. Since I know it will be important, we are running a Debian server and Postfix. Now I see these errors generated in the mail logs: May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: cannot get certificate from file /etc/postfix/ssl/smtpd.cert May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:02001002:system library:fopen:No such file or directory:bss_file.c:352:fopen('/etc/postfix/ssl/smtpd.cert','r'): May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:354: May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:140DC002:SSL routines:SSL_CTX_use_certificate_chain_file:system lib:ssl_rsa.c:720: May 15 08:06:34 letterpress postfix/smtpd[22901]: cannot load RSA certificate and key data And when trying to access email from a client like Thunderbird from outside our local network, you receive "Unable to connect to smtp server". Update: I have verified that the file does exist. The current owner of the file is root:root. Does this need to be changed?

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• Have programmers at your work not taken up or been averse to an offer of a second monitor?

  - by Chris Knight

  I'm putting together a business case for the developers in my company to get a second monitor. After my own experiences and research, this seems a no-brainer to me in terms of increasing productivity and morale/happiness. One question which has niggled me is if I should be pushing to get all developers onto a second monitor or let folk opt-in (i.e. they get one if they want one). Thoughts on this are welcome, but my specific question relates to a snippet on this site: But when the IT manager at Thibeault's company asked other employees if they wanted dual monitors last year, few jumped at the offer. Blinded by my own pre-judgement, this surprised me. Has anyone else experienced this? I fully appreciate that some people prefer a single larger monitor, but my general experience of researching the web suggests that most programmers prefer a dual (or more) setup. I'm guessing this should be tempered with the thought that those developers who contribute to such discussions might not be considered your average developer who might not care one way or the other. Anyway, if you have experienced the above have you tried to sell the concept of dual monitors to the masses? If everyone just got 2 monitors regardless if they wanted it or not, were there adverse reactions or negative effects? UPDATE: The developers are on a mixture of 17", 22", or 24" single monitors. The desks should be able to accommodate dual 22" monitors as I am proposing, though this will take some getting used to I imagine.

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• Display aspect ratio problem on netbooks?

  - by Jian Lin

  Last night in a computer store with the midnight sale of Windows 7, I see many netbooks, all are 1024 x 600 resolution. Then when the CPU meter and the Clock gadget were added, the CPU meter looked spherical, but the clock (the second clock -- the silver one) looked somewhat oval. Later on I went to all the desktops and both the CPU meter and the clock were spherical. So do the netbook have this "aspect ratio" problem? It is not a big deal but it'd be nice to know if I get a netbook and know that it is common on the netbook. (and aware that the picture and photos will be slightly distorted). Update: All the netbooks were at 1024 x 600, which was their "native" resolution. Every single one of them showed an oval shaped clock. None of the desktop had that issue.

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• How can I prevent Libre Office to start unexpected when I start other applications?

  - by brubaker

  I am on Ubuntu 11.10/64bit with Gnome 3. Regards [update] I trying to say that when I start an application like Nautilus LibreOffice starts as well. Sometimes this also happens when I open a document with a totally different extension i.e. a .html doc. I checked if and which plugins are installed to Firefox: OpenOffice.org Plug-in File: libnpsoplugin.so Version: OpenOffice.org Plug-in handles all its documents MIME Type Description Suffixes application/vnd.stardivision.calc StarCalc 3.0 - 5.0 sdc application/vnd.stardivision.chart StarChart 3.0 - 5.0 sds application/vnd.stardivision.draw StarDraw 3.0 - 5.0 sda application/vnd.stardivision.impress StarImpress 3.0 - 5.0 sdd application/vnd.stardivision.impress-packed StarImpress-packed 3.0 - 5.0 sdp application/vnd.stardivision.math StarMath 3.0 - 5.0 smf application/vnd.stardivision.writer StarWriter Template 3.0 - 5.0 vor application/vnd.stardivision.writer-global StarWriter Global 3.0 - 5.0 sgl application/vnd.staroffice.writer StarWriter 3.0 - 5.0 sdw application/vnd.sun.xml.calc StarOffice 6.0/7 Spreadsheet sxc application/vnd.sun.xml.calc.template StarOffice 6.0/7 Spreadsheet Template stc application/vnd.sun.xml.draw StarOffice 6.0/7 Drawing sxd application/vnd.sun.xml.draw.template StarOffice 6.0/7 Drawing Template std application/vnd.sun.xml.impress StarOffice 6.0/7 Presentation sxi application/vnd.sun.xml.impress.template StarOffice 6.0/7 Presentation Template sti application/vnd.sun.xml.math StarOffice 6.0/7 Formula sxm application/vnd.sun.xml.writer StarOffice 6.0/7 Text Document sxw application/vnd.sun.xml.writer.global StarOffice 6.0/7 Master Document sxg application/vnd.sun.xml.writer.template StarOffice 6.0/7 Text Document Template stw application/vnd.oasis.opendocument.text OpenDocument Text odt application/vnd.oasis.opendocument.text-template OpenDocument Text Template ott application/vnd.oasis.opendocument.text-master OpenDocument Master Document odm application/vnd.oasis.opendocument.text-web HTML Document Template oth application/vnd.oasis.opendocument.spreadsheet OpenDocument Spreadsheet ods application/vnd.oasis.opendocument.spreadsheet-template OpenDocument Spreadsheet Template ots application/vnd.oasis.opendocument.graphics OpenDocument Drawing odg application/vnd.oasis.opendocument.graphics-template OpenDocument Drawing Template otg application/vnd.oasis.opendocument.presentation OpenDocument Presentation odp application/vnd.oasis.opendocument.presentation-template OpenDocument Presentation Template otp application/vnd.oasis.opendocument.formula OpenDocument Formula odf

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• CodePlex Daily Summary for Sunday, May 13, 2012

  CodePlex Daily Summary for Sunday, May 13, 2012Popular ReleasesGardens Point Parser Generator: Gardens Point Parser Generator version 1.5.0: ChangesVersion 1.5.0 contains a number of changes. Error messages are now MSBuild and VS-friendly. The default encoding of the *.y file is Unicode, with an automatic fallback to the previous raw-byte interpretation. The /report option has been improved, as has the automaton tracing facility. New facilities are included that allow multiple parsers to share a common token type. A complete change-log is available as a separate documentation file. The source project has been upgraded to Visual...Gardens Point LEX: Gardens Point LEX version 1.2.0: The main distribution is a zip file. This contains the binary executable, documentation, source code and the examples. ChangesVersion 1.2.0 contains a small number of changes. Error messages are now MSBuild and VS-friendly by default. The default encoding for lex input files is Unicode, with an automatic fallback to the previous raw-byte interpretation. The distribution also contains helper code for symbol pushback by GPPG parsers. A complete changelog is available as a separate documenta...Kinect Quiz Engine: update for sdk v1.0: updated to the new sdkMedia Companion: Media Companion 3.502b: It has been a slow week, but this release addresses a couple of recent bugs: Movies Multi-part Movies - Existing .nfo files that differed in name from the first part, were missed and scraped again. Trailers - MC attempted to scrape info for existing trailers. TV Shows Show Scraping - shows available only in the non-default language would not show up in the main browser. The correct language can now be selected using the TV Show Selector for a single show. General Will no longer prompt for ...NewLife XCode ??????: XCode v8.5.2012.0508、XCoder v4.7.2012.0320: X????： 1，????For .Net 4.0?? XCoder????： 1，???????，????X????，?????? XCode????： 1，Insert/Update/Delete???????????????，???SQL???? 2，IEntityOperate?????? 3，????????IEntityTree 4，????????????????? 5，?????????? 6，??????????????Assembly Analyzer: Assembly Analyzer 2.2.29: This version primarily focuses on performance, both speed and memory usage. Here are a few more things to check out: Custom colors for source code generation Assembly Overview More dependency graphs for types (parameters, return types, extension methods) More accurate MSIL No expansion of macro instructions Fixed signed/unsigned problem for short-form instructionsiFinity Friendly Url Provider: 05.04.01: Fix for reported errors with DotNetNuke 6.x installations.Google Book Downloader: Google Books Downloader Lite 1.0: Google Books Downloader Lite 1.0Python Tools for Visual Studio: 1.5 Alpha: We’re pleased to announce the release of Python Tools for Visual Studio 1.5 Alpha. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including: • Supports Cpython, IronPython, Jython and Pypy • Python editor with advanced member, signature intellisense and refactoring • Code navigation: “Find all refs”, goto definition, and object browser • Local and remote debugging...AD Gallery: AD Gallery 1.2.7: NewsFixed a bug which caused the current thumbnail not to be highlighted Added a hook to take complete control over how descriptions are handled, take a look under Documentation for more info Added removeAllImages()WebsitePanel: 1.2.2: The following work items has been fixed/closed in WebsitePanel 1.2.2.1: 225 135 59 96 23 29 191 72 48 240 245 244 160 16 65 7 156 This build is for Beta Testing only. DO NOT USE IN PRODUCTION.51Degrees.mobi - Mobile Device Detection and Redirection: 2.1.4.8: One Click Install from NuGet Data ChangesIncludes 42 new browser properties in both the Lite and Premium data sets. Premium Data includes many new devices including Nokia Lumia 900, BlackBerry 9220 and HTC One, the Samsung Galaxy Tab 2 range and Samsung Galaxy S III. Lite data includes devices released in January 2012. Changes to Version 2.1.4.81. The IsFirstTime method of the RedirectModule will now return the same value when called multiple times for the same request. This was prevent...Mugen Injection: Mugen Injection ver 2.2 (WinRT supported): Added NamedParameterAttribute, OptionalParameterAttribute. Added behaviors ICycleDependencyBehavior, IResolveUnregisteredTypeBehavior. Added WinRT support. Added support for NET 4.5. Added support for MVC 4.NShape - .Net Diagramming Framework for Industrial Applications: NShape 2.0.1: Changes in 2.0.1:Bugfixes: IRepository.Insert(Shape shape) and IRepository.Insert(IEnumerable<Shape> shapes) no longer insert shape connections. Several context menu items did display although the required permission was not granted Display did not reset the visible and active layers when changing the diagram NullReferenceException when pressing Del key and no shape was selected Changed Behavior: LayerCollection.Find("") no longer throws an exception. Improvements: Display does not rese...AcDown????? - Anime&Comic Downloader: AcDown????? v3.11.6: ?? ●AcDown??????????、??、??????，????1M，????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。??????AcPlay?????，??????、????????????????。 ● AcDown???????????????????????????，???，???????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ????????????? ??：????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? ??????????????，??????????： ??"AcDo...sb0t: sb0t 4.64: New commands added: #scribble <url> #adminscribble on #adminscribble offDocument.Editor: 2012.4: Whats new for Document.Editor 2012.4: Improved Template support Improved Options Dialog Minor Bug Fix's, improvements and speed upsJson.NET: Json.NET 4.5 Release 5: New feature - Added ItemIsReference, ItemReferenceLoopHandling, ItemTypeNameHandling, ItemConverterType to JsonPropertyAttribute New feature - Added ItemRequired to JsonObjectAttribute New feature - Added Path to JsonWriterException Change - Improved deserializer call stack memory usage Change - Moved the PDB files out of the NuGet package into a symbols package Fix - Fixed infinite loop from an input error when reading an array and error handling is enabled Fix - Fixed base objec...BlackJumboDog: Ver5.6.1: 2012.05.07 Ver5.6.1 (1)????????????????(Ver5.6.0??)??? (2)HTTP?????SSL????????????（Ver5.6.0??）??? (3)HTTP?????2G??????????????????????????? (4)HTP????　?????????ExtAspNet: ExtAspNet v3.1.5: ExtAspNet - ?? ExtJS ??? ASP.NET 2.0 ???，????? AJAX ?????????? ExtAspNet ????? ExtJS ??? ASP.NET 2.0 ???，????? AJAX ??????????。 ExtAspNet ??????? JavaScript，?? CSS，?? UpdatePanel，?? ViewState，?? WebServices ???????。 ??????: IE 7.0, Firefox 3.6, Chrome 3.0, Opera 10.5, Safari 3.0+ ????：Apache License 2.0 (Apache) ??：http://extasp.net/ ??：http://bbs.extasp.net/ ??：http://extaspnet.codeplex.com/ ??：http://sanshi.cnblogs.com/ ????： +2012-05-06 v3.1.5 -????????：grid/grid_twogrid.aspx。 +?...New ProjectsbillyTest: summarybwoodring: My personal toolkit and projects.CodeQuarantine: A .NET quality test service. Projects are loaded, and unit tests will be tested and timed once pr. hour for 24 hours, to ensure stability in new releases. If a build gives preformance issue, it will not be pushed to deploy site, without user interaction. This will ensure that all releases are stable, even features not directly edited.Continuous Automated Backup: The goal of this project is to provide a continuous automated backup solution to a variety of backup locationsDonateBoat: Donate Your Boat to Charity DotNetIRCD: DotNetIRCD is (Will be) a full-featured IRC Deamon built on the Microsoft DotNet Framework 4.0 It will have all the IRC Features defined in the relevant RFC's, whicle also implementing the Microsoft IRCX Extensions.DynCMS.NET: DynCMS.NET is extensible engine for dynamic web applications. It enables fast startup of new site & development of new functionalities in iterations.foothill2: my own website in ASP.NETFourPoints: Four Points YachtsGoogleAuth C#: The purpose of this project is to create a set of C# tools to integrate Google Authenticator for .Net application development.KaChing: A Personal Finances Manager, the way it's meant to beliketryrobot: ????????,????lyblog: ??????ThinkPHP???????，????。Metro Calc: This is a small calculator app for Windows 8.Netduino Device Library: My repository of code for the Netduino line of NETMF controllers. Prism 4.1 on.Net for Metro Style App: A conversion of Prism 4.1 to work with .Net for Metro Style Apps. Its a pragmatic conversion and keeps most of the existing functionality that you get in Prism 4.1 apart from features that don’t naturally work within Metro (such as reflectively loading modules). I’ve kept the namespaces intact ; so its easy to replace with the official Prism framework when it is ready. However, I have renamed the assemblies to avoid any confusion. It uses a MetroIoC - (port from microIoc done by Ia...SeaTurtleStore: Sea Turtle StoreSIIV: Sistema Integral de Investigaciones Veterinarias

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