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• Ubuntu connects to wireless but doesn't work!

  - by UbuntuUser990

  I just installed Ubuntu 14.04 LTS on my laptop, it connects to my wireless network and shows that it is connected, but when I try to load a webpage or do anything like download Steam for Dota 2, it doesn't work. When I try to connect my Facebook account to Ubuntu, it doesn't work. I want to be able to use Ubuntu with working internet access. What do I do?. ifconfig this shows up eth0 Link encap:Ethernet HWaddr 88:ae:1d:60:56:eb inet addr:192.168.1.13 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:16 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:24 errors:0 dropped:0 overruns:0 frame:0 TX packets:24 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1856 (1.8 KB) TX bytes:1856 (1.8 KB) When I type ping askubuntu.com this shows up ping: unknown host askubuntu.com

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• CodePlex Daily Summary for Thursday, September 27, 2012

  CodePlex Daily Summary for Thursday, September 27, 2012Popular ReleasesVisual Studio Icon Patcher: Version 1.5.2: This version contains no new images from v1.5.1 Contains the following improvements: Better support for detecting the installed languages The extract & inject commands won’t run if Visual Studio is running You may now run in extract or inject mode The p/invoke code was cleaned up based on Code Analysis recommendations When a p/invoke method fails the Win32 error message is now displayed Error messages use red text Status messages use green textMCEBuddy 2.x: MCEBuddy 2.2.16: Changelog for 2.2.16 (32bit and 64bit) Now a standalone remote client also available to control the Engine remotely. 1. Added support for remote connections for status and configuration. MCEBuddy now uses port 23332. The remote server name, remote server port and local server port can be updated from the MCEBuddy.conf file BUT the Service or GUI needs to be restarted (i.e. reboot or restart service or restart program) for it to take effect. Refer to documentation for more details http://mce...LoLHQ - Personal League of Legends Assistant: LoLHQ v1.0: LoLHQ version 1.0 (full, portable) Instructions: - Download - Extract - Run LoLHQ.exe - If needed, specify League of Legends installation path.D3 Loot Tracker: 1.3.1 (patch): - Magic find value will now display properly and includes follower value. - ILevel of legendary items will now display properly.ZXing.Net: ZXing.Net 0.9.0.0: On the way to a release 1.0 the API should be stable now with this version. sync with rev. 2393 of the java version improved api better Unity support Windows RT binaries Windows CE binaries new Windows Service demo new WPF demoSSIS GoogleAnalyticsSource: Version 1.1 Alpha 2: The component uses now the Google API V2.4 including the management API.Ext Spec: Ext Spec 1.0.0: Completed remaining tasks: 7 12 17The GLMET Project: Sound Recorder: --WinRtBehaviors: V1.0.2: Includes simple Blend SupportMVC Bootstrap: MVC Boostrap 0.5.1: A small demo site, based on the default ASP.NET MVC 3 project template, showing off some of the features of MVC Bootstrap. This release uses Entity Framework 5 for data access and Ninject 3 for dependency injection. If you download and use this project, please give some feedback, good or bad!Simple PM - Project Management Simplified !: Simple Pm v1 - Aplha (Re-released): INSTALLATION GUIDE 1. Run the web setup, which will install the web app to IIS. 2. Make sure you select your application pool to "ASP.NET v4.0" during the installation. 3. Create a database named "SimplePm" 4. Run the attached database script on this database. 5. Change the database username and password in connection strings defined as SimplePmEntities and ApplicationServices from the Web.config file 6. Thats its ! Simple Pm are ready to go ! For any installation assistance feel free to c...menu4web: menu4web 1.0 - free javascript menu for web sites: menu4web 1.0 has been tested with all major browsers: Firefox, Chrome, IE, Opera and Safari. Minified m4w.js library is less than 9K. Includes 21 menu examples of different styles. Can be freely distributed under The MIT License (MIT).Rawr: Rawr 5.0.0: This is the Downloadable WPF version of Rawr!For web-based version see http://elitistjerks.com/rawr.php You can find the version notes at: http://rawr.codeplex.com/wikipage?title=VersionNotes Rawr Addon (NOT UPDATED YET FOR MOP)We now have a Rawr Official Addon for in-game exporting and importing of character data hosted on Curse. The Addon does not perform calculations like Rawr, it simply shows your exported Rawr data in wow tooltips and lets you export your character to Rawr (including ba...Coevery - Free CRM: Coevery 1.0.0.26: The zh-CN issue has been solved. We also add a project management module.VidCoder: 1.4.1 Beta: Updated to HandBrake 4971. This should fix some issues with stuck PGS subtitles. Fixed build break which prevented pre-compiled XML serializers from showing up. Fixed problem where a preset would get errantly marked as modified when re-opening the encode settings window or importing a new preset.JSLint for Visual Studio 2010: 1.4.0: VS2012 support is alphaBlackJumboDog: Ver5.7.2: 2012.09.23 Ver5.7.2 (1)InetTest?? (2)HTTP?????????????????100???????????Player Framework by Microsoft: Player Framework for Windows 8 (Preview 6): IMPORTANT: List of breaking changes from preview 5 Added separate samples download with .vsix dependencies instead of source dependencies Support for FreeWheel SmartXML ad responses Support for Smooth Streaming SDK DownloaderPlugins Support for VMAP and TTML polling for live scenarios Support for custom smooth streaming byte stream and scheme handlers Support for new play time and position tracking plugin Added IsLiveChanged event Added AdaptivePlugin.MaxBitrate property Add...WPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.8: Version: 2.5.0.8 (Milestone 8): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Mark the class DataModel as serializable. InfoMan: Minor improvements. InfoMan: Add unit tests for all modules. Othe...LogicCircuit: LogicCircuit 2.12.9.20: Logic Circuit - is educational software for designing and simulating logic circuits. Intuitive graphical user interface, allows you to create unrestricted circuit hierarchy with multi bit buses, debug circuits behavior with oscilloscope, and navigate running circuits hierarchy. Changes of this versionToolbars on text note dialog are more flexible now. You can select font face, size, color, and background of text you are typing. RAM now can be initialized to one of the following: random va...New ProjectsAltairis Binary Store Provider: Altairis Binary Store is provider based system for storing arbitrary binary data either in file system or in Azure Blob Storage.Azure Diagnostic Log Viewer: This tool helps in viewing logs written in azure diagnostics log tables. <MORE DETAILS COMING SOON>bluequiz: Là d? án giúp các cá nhân, t? ch?c, tru?ng h?c, t? ch?c thi tr?c nghi?m tr?c tuy?n và qu?n lý di?m m?t cách d? dàng hon.Detect User Geo location: Detect site visitor geo location Detect geo location of the site visitors by html5 geolocation (first) or ipinfodb.com(second choice). Educards: Educational cards.EuWangSSO: SSO (single sign-on) solutionFree Aspx Image Gallery: This is first basic release of my free aspx image gallery project. It is free to use and modify by the user without any need of providing any credit to me.GEFe: GEFeguohai's project: a open source project!ISMOT - Async Helper: This is a wrapper library for Microsoft's Async Library (CTP). Using this library greatly facilitates async calls in Silverlight and Windows Phone projects.LoLHQ - Personal League of Legends Assistant: LoLHQ - Personal League of Legends Assistant Check detailed ELO ratings and statistics of your teammates. Personalize counter-pick lists, view Champions detailsMNK-HKM addon: Special thanks to: Kill Us Or Die TryingPCV_CLINIC: my project PCV_ClinicRemote Commands: Program which allow to control computer sending e-mails with commands.Resource File Comparer: Resource File Comparer is a quick utility to help compare the availability of required resource strings in all resource files for an application.Rich Client Template: The new Rich Client Template for Visual Studio 2012Simple Microsoft Excel Document Converter (Convert To XLS, XLSX, PDF, XPS): This library is based on Microsoft.Office.Interop.Excel. This library can convert Excel documents to PDF or XPS in C#.TCC News: testeTesPro: ???The Eggbert Chronicles: The Eggbert Chronicles, a 2.5D platformer built in Unity and created using Javascript and C#.Tombola XNA: Gioco della tombola utilizzando XNA.Tools and Company: "Tools and Company" is a DLL which contains a set of useful and generic classes and functions in C# language. I use this DLL in my different other C# projects.TradeIt: :)usermade: user made websiteWIT Sync Manager 2010: Enables you to synchronize virtually all aspects of work item types and related artifacts across collections and projects in TFS 2010.xebictetris: Xebic Tetris Web Testxmwms: xmwmsXNA for Windows 8(Windows RT).: Officially there is no support for XNA Game Studio in Windows 8(WinRT). So this is a light weight XNA Framework made using the .NET 4.5 and Metro Style APIs and????????????? ?????????: ???????? ?????? ?? ???????? ?????????????? ??????????

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• Building a Redundant / Distributed Application

  - by MattW

  This is more of a "point me in the right direction" question. My team of three and I have built a hosted web app that queues and routes customer chat requests to available customer service agents (It does other things as well, but this is enough background to illustrate the issue). The basic dev architecture today is: a single page ajax web UI (ASP.NET MVC) with floating chat windows (think Gmail) a backend Windows service to queue and route the chat requests this service also logs the chats, calculates service levels, etc a Comet server product that routes data between the web frontend and the backend Windows service this also helps us detect which Agents are still connected (online) And our hardware architecture today is: 2 servers to host the web UI portion of the application a load balancer to route requests to the 2 different web app servers a third server to host the SQL Server DB and the backend Windows service responsible for queuing / delivering chats So as it stands today, one of the web app servers could go down and we would be ok. However, if something would happen to the SQL Server / Windows Service server we would be boned. My question - how can I make this backend Windows service logic be able to be spread across multiple machines (distributed)? The Windows service is written to accept requests from the Comet server, check for available Agents, and route the chat to those agents. How can I make this more distributed? How can I make it so that I can distribute the work of the backend Windows service can be spread across multiple machines for redundancy and uptime purposes? Will I need to re-write it with distributed computing in mind? I should also note that I am hosting all of this on Rackspace Cloud instances - so maybe it is something I should be less concerned about? Thanks in advance for any help!

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• Static IP Address on Ubuntu 12.04 Virtual Machine

  - by chrisnankervis

  I've setup a VM running Ubuntu 12.04 specifically for local web development and am having some problems ensuring it has a static IP address. A static IP address is important as I'm using the IP address in my hosts file to assign a .local suffix to addresses used both in browser and to connect to the correct database on the VM. Currently, every time I connect to a new network or my VM is assigned a new IP address I need to reconfigure my whole environment which is becoming quite a pain. It also probably doesn't help that the default-lease-time on the Ubuntu VM is set to 1800 by default. At the moment I'm using VMWare Fusion and the Network Adapter is enabled and set to "Autodetect" under Bridged Networking. I've tried to set a static IP address within the dhcpd.conf using the code below: host ubuntu { hardware ethernet 00:50:56:35:0f:f1; fixed-address: 192.168.100.100; } The fixed-address that I've used is also outside the range specified in the subnet block (which in this case is 192.168.100.128 to 192.168.100.254). I've tried adding and removing the network adapter and restarting my Mac after each time to no avail. Below is an ifconfig of the VM that might be of some help: eth0 Link encap:Ethernet HWaddr 00:50:56:35:0f:f1 inet addr:192.168.0.25 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::250:56ff:fe35:ff1/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1624 errors:0 dropped:0 overruns:0 frame:0 TX packets:416 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:147348 (147.3 KB) TX bytes:41756 (41.7 KB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Are there any specific issues with 12.04 that I'm missing? Otherwise has anyone else got any ideas? Thanks in advance.

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• How can I use domain masking without having self referral in Google Analytics

  - by Cdore

  I have one old domain that points to a website's server's ip (let's call it www.oldsite.com). I have a new one, www.newsite.com, that is set up to be forwarded to a specific page on the website. Due to the way the host of newsite.com places the website in a frame, in Google Analystics, the newsite.com is listed as a source rather than the source they were at before hand, causing a self referral. A solution is to edit the code of the iframe as I looked up, but there's no way to really edit the host's masking source code of course. Another solution I did previously was have www.newsite.com point to the address that www.oldsite.come pointed to. It solved the analytics problems, but in exchange, the url masking no longer worked. In the address bar, it came up as www.oldsite.com. Is there a way to make me have url masking and be able to forward to agree with google analytics? The server of the website is hosted on a cloud server, if this is anymore information.

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• Architecture of an action multiplayer game from scratch

  - by lcf

  Not sure whether it's a good place to ask (do point me to a better one if it's not), but since what we're developing is a game - here it goes. So this is a "real-time" action multiplayer game. I have familiarized myself with concepts like lag compensation, view interpolation, input prediction and pretty much everything that I need for this. I have also prepared a set of prototypes to confirm that I understood everything correctly. My question is about the situation when game engine must be rewind to the past to find out whether there was a "hit" (sometimes it may involve the whole 'recomputation' of the world from that moment in the past up to the present moment. I already have a piece of code that does it, but it's not as neat as I need it to be. The domain logic of the app (the physics of the game) must be separated from the presentation (render) and infrastructure tools (e.g. the remote server interaction specifics). How do I organize all this? :) Is there any worthy implementation with open sources I can take a look at? What I'm thinking is something like this: -> Render / User Input -> Game Engine (this is the so called service layer) -> Processing User Commands & Remote Server -> Domain (Physics) How would you add into this scheme the concept of "ticks" or "interactions" with the possibility to rewind and recalculate "the game"? Remember, I cannot change the Domain/Physics but only the Game Engine. Should I store an array of "World's States"? Should they be just some representations of the world, optimized for this purpose somehow (how?) or should they be actual instances of the world (i.e. including behavior and all that). Has anybody had similar experience? (never worked on a game before if that matters)

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• Every file on cPanel got deleted (then restored hours later), and I have no idea why

  - by mcranston18

  I apologize in advance if I don't provide proper detail; I am new to server stuff and am looking for general advice about this issue: I was helping out a client doing web design last month. They have about a dozen static sites on one server. The sites are all built on Joomla, except one which I built on Wordpress. Everything was working fine last month when we did the redesign but all of a sudden this morning, every single file on their server got deleted: every web page, file, and all e-mail addresses. I phoned the hosting company (alliancewww.com) to ask, "why did every single file suddenly delete off the server?" They said, "because someone must have deleted it." I said, "well no one did." (Which I'm pretty damn sure no one did.) They said, "you can pay us to look into the problem." I authorized $150 for them to look into the problem. About an hour later, everything was magically re-instated. The host said they had a back-up of everything and just restored everything. What I'm wondering: Does anyone have recommendations of logs I can go through to investigate how the files got deleted in the first place? I've checked out their cPanel logs but found nothing. Is it likely that this is a mess-up on the host's part?

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• When to use each user research method

  - by user12277104

  There are a lot of user research methods out there, but sometimes we get stuck in a rut, conducting all formative usability testing before coding, or running surveys to gather satisfaction data. I'll be the first to admit that it happens to me, but to get out of a rut, it just takes a minute to look at where I am in the design & development cycle, what kind(s) of data I need, and what methods are available to me. We need reminders, or refreshers, every once in a while. One tool I've found useful is a graphic organizer that I created many years ago. It's been through several revisions, as I've adapted it to the product cycles of the places I've worked, changed my mind about how to categorize it, and added methods that I've used or created over time. I shared a version of this table at the 2012 International UPA conference, and I was contacted by someone yesterday who wanted to use it in a university course on user-center design. I was flattered at the the thought, but embarrassed, because I was sure it needed updating -- that was a year ago, after all. But I opened it today, and really, there's not much I'd change -- sure, I could add some nuance regarding what types of formative testing, such as modality (remote, unmoderated remote, or in-person) or flavor of testing (RITE, RITE-Krug, comparative, performance), but I think it's pretty much ok as is. Click on the image below, to get the full-size PDF. And whether it's entirely "right" or "wrong" isn't the whole value of looking at these methods across the product lifecycle. The real value lies in the reminder that I have options. And what those options are change as the field changes, so while I don't expect this graphic to have an eternal shelf life, it's still ok a year after I last updated it. That said, if you find something missing or out of place, let me know :) 

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• A "tinkered" PC can ping by IP, not by hostname. How to fix?

  - by aitchnyu

  Like this: root@tis-server:~# ping www.google.com ping: unknown host www.google.com root@tis-server:~# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 64 bytes from 8.8.8.8: icmp_req=1 ttl=55 time=50.3 ms 64 bytes from 8.8.8.8: icmp_req=2 ttl=55 time=65.4 ms It was tinkered by somebody else and I (and him!) cant trace his actions. The graphical connection manager also refuses to work thanks to the tinkering. It also makes route add default gw 192.168.0.1 necessary for each reboot to atleast ping by IP. How do I fix this? It is Ubuntu 11.10 As requested: Output of ifconfig: eth0 Link encap:Ethernet HWaddr 48:5b:39:ae:21:98 inet addr:192.168.0.100 Bcast:0.0.0.0 Mask:255.255.255.0 inet6 addr: fe80::4a5b:39ff:feae:2198/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:13194 errors:0 dropped:0 overruns:0 frame:0 TX packets:5156 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1420596 (1.4 MB) TX bytes:827295 (827.2 KB) Interrupt:42 Base address:0x2000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4817 errors:0 dropped:0 overruns:0 frame:0 TX packets:4817 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:377732 (377.7 KB) TX bytes:377732 (377.7 KB) Output of resolv.conf: Output of /etc/network/interfaces: GNU nano 2.2.6 File: /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.100 netmask 255.255.255.0

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• Are you ready to take a walk in the clouds?

  - by Steve Loethen

  Cloud computing is here, whether we want it or not.  When I say "a walk in the clouds” I am not talking about a pleasant romantic comedy, but a real alternative to hosting applications on-premise.  For years we have had the power to host our web sites on remote systems.  Sure, challenges existed.  Mostly web sites.  I could, with a few clicks, create a account at a myriad of web host sites, put my site in the hands of a remote hosting company, and boom, I was a site on the internet.  But choices, power, and management was limited. Now, we have a set of services to let us approach and power and control we love, but with scalability of the data center.  My personal web site is hosted on a laptop running hyperV in my basement.  I have to manage the machine, patch it, make sure it is powered up.  This is fine for the “hello, this is my dog skippy site” that I maintain. If the football pool I run has an issue, one of the 10 users I have calls or emails me and I go check it out.  All is well. But this falls well below the needs of even the simplest of enterprises.  A business needs a stronger datacenter, a better pipe to the world.  Do I really want to base my business on a dynamic dns and a dsl line from the local phone company? Cloud computing gives us most of what I value (control, a db of my own, updating my site from Visual Studio). Come learn how this technology can transform your business.  If you are a Microsoft shop, or are interested in Microsoft in the cloud, on April 8 and 9, a 2 day free Azure training class is being conducted in Kansas City.  http://www.azurebootcamp.com/city/kansascity Hope to see you there.  If you come, make sure you look me up.

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• CA For A Large Intranet

  - by Tim Post

  I'm managing what has become a very large intranet (over 100 different hosts / services) and will be stepping down from my role in the near future. I want to make things easy for the next victim person who takes my place. All hosts are secured via SSL. This includes various portals, wikis, data entry systems, HR systems and other sensitive things. We're using self signed certificates which worked o.k. in the past, but are now problematic because: Browsers make it harder for users to understand exactly what is going on when a self signed certificate is encountered, much less accept them. Putting up a new host means 100 phone calls asking what "Add an exception" means What we were doing is just importing the self signed certs when we set up a new workstation. This was fine when we only had a dozen to deal with, but now its just overwhelming. Our I.T. Department has classified this as ya all's problem, all we get from them is support for switch and router configurations. Beyond the user having connectivity, everything else is up to the intranet administrators. We have a mix of Ubuntu and Windows workstations. We'd like to set up our own self signed CA root, which can sign certificates for each host that we deploy on the intranet. Client browsers would of course be told to trust our CA. My question is, would this be dangerous and would we be better off going with intermediate certificates from someone like Verisign? Either way, I still have to import the root for the intermediate CA, so I really don't see what the difference is? Other than charging us money, what would Verisign be doing that we could not, beyond protecting the root CA cert so it can't be used to make forgeries?

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• Open Source Project all dressed up but nowhere to go...

  - by Calanus

  Over the past 2 years myself and a colleague have built an online statistical analysis application using a mixture of silverlight, wcf and R. I (a c# programmer) wrote all the silverlight and wcf stuff whilst my colleague (a statistician) came up with the stats algorithms and wrote the R code. Now we think that this app is fairly unique - a rich gui online statistics application that is much more intuitive than all the other online stat apps that I've seen. But despite this we don't really know where to go with the project, mainly for the following reasons: 1) Its fairly complicated stuff - without the mix of programing and stats skills it would be difficult for anyone to "get into" the project and contribute. 2) We are stalled by a lack of a proper place to host the site. Currently it sits on the family windows 7 media centre, not exactly the best place to host it as it could interfere with the missus trying to watch Corrie/Friends/Oprah etc. Soo, anyone got any ideas on how to move forward with this? I guess that my strength is programing not marketing so despite working hard at this for the past couple of years I feel that I've reached a dead end! Also, does anyone know of any free windows hosting for open source projects? If I could find a proper place to put the app I might feel re-energised about the whole thing. The source code is on codeplex at: http://silverstats.codeplex.com, whilst the app is currently hosted at http://silverstats.co.uk

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• Platinum Services – The Highest Level of Service in the Industry

  - by cwarticki

  Oracle Platinum Services provides remote fault monitoring with faster response times and patch deployment services to qualified Oracle Premier Support customers – at no additional cost. We know that disruptions in IT systems availability can seriously impact business performance. That’s why we engineer our hardware and software to work together. Oracle engineered systems are pre-integrated to reduce the cost and complexity of IT infrastructures while increasing productivity and performance. And now, customers who choose the extreme performance of Oracle engineered systems have the power to access the added support they need – Oracle Platinum Services – to further optimize for high availability at no additional cost.  In addition to receiving the complete support essentials with Oracle Premier Support, qualifying Oracle Platinum Services customers also receive: •     24/7 Oracle remote fault monitoring •    Industry-leading response and restore times o   5-Minute Fault Notification o   15-Minute Restoration or Escalation to Development o   30-Minute Joint Debugging with Development •    Update and patch deployment Visit us online to learn more about how to get Oracle Platinum Services

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• "Can't open display" even after access with xhost

  - by Yann

  I'm trying to run a graphical program remotely, without using ssh. I've set the display variable on the server (let's say server.com, Linux, not ubuntu, and no su rights) to point to my workstation (workstation.com, ubuntu 10.04) setenv DISPLAY workstation.com:0 Then on my workstation I've tried both xhost +server.com and xhost + Then I ssh into the server (to test things): ssh [email protected] and try to run xclock, and get the following error: Error: Can't open display: workstation.com:0 I've looked at /etc/ssh/ssh_config on the workstation and I should be forwarding correctly: X11Forwarding yes. How do I go about troubleshooting this? What logs on the workstation document these failed attempts? To explain why I'm doing this: I want to run a batch job on a server to debug an MPI-based parallel program. I want to run xterm as the batch job executable, per the instructions provided by the system admins. This setup use to work. I reinstalled things on my workstation and since then I frequently get one-time message along the lines The authenticity of host 'hostname (XXX.XXX.XXX.XX)' can't be established. My attempt to fix the above was to move my ~/.ssh/known_hosts file to a back up on both server and host, and then to ssh from each to the other with the flag -o StrictHostKeyChecking=no. I no longer get that message, but I was wondering does this play a part in why X11 forwarding is not working?

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• opengl libraries for ubuntu running on Virtual Box

  - by vboxuser

  I am having Ubuntu 10.04 running on VirtualBox. Guest additions are installed successfully. But Guest additions do not provide the OpenGL library. To run open GL demo what needs to be installed. Some google links suggest Mesa utils. By my understanding is Mesa utils do not use vbox drivers to achieve hardware acceleration. Ubuntu 10.04 is running on VirtualBox and not on bare metal. The host comprise of Zx400 CPU with nvidia graphics driver. But this is not relevant since I would be using the vbox drivers provided by guest additions on VirtualBox. In this scenario how do I get OpenGL libraries on Ubuntu?. (Specially I am looking for solution other than Mesa, since mesa has support only for VMware and not for VirtualBox) How to get Opengl libraries which use vbox drivers for 3D hardware accleration?? As i already mentioned, ubuntu 10.04 is running on VirtualBox and not on bare metal. the host comprise of Zx400 CPU with nvidia graphics driver. but this is not relevant since i would be using the vbox drivers provided by guest additions on VirtualBox. In this scenario how to i get OpenGL libraries on Ubuntu. (Especially i am looking for solution other than Mesa, since mesa has support only for VMware and not for VirtualBox Thank you

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• Display Problems running Ubuntu 12.04 in Windows VMware Player

  - by Alex Reynolds

  I am posting this again because I have changed to VMWare Player and I discovered something new. I am running Ubuntu 12.04 LTS (Guest) in VMWare Player 6.0.2 on Windows 7 64-bit Host. I have VMWare Tools installed properly. I am running MATE but the problem persists when I change (to and from) xfce, gnome, mate a-- and back again I had been using this for a couple of years without any graphics issues. After an Ubuntu update (typical) -- my video is corrupt and will not refresh correctly. My desktop icons are "mirrored" and when I open a terminal window (for instance) -- sometimes -- the window appears multiple times. Of course, only one is the real image. It seems to be a refresh problem. When I move an active window around the screen the "older" images "erase" and my icons (for instance) are in the correct location. For instance, I can move the terminal around a pretty corrupted window and the screen behind it is repainted correctly. NEW: Next, I got the idea to try and Remote Desktop in to the Ubuntu 12.04 LTS Guest OS from my Windows 7 64-bit Host. Once working, and connected via Win RDC -- using MATE as default in my /etc/xrdp/startws.sh -- my video is not corrupted and works fine (as in the past). Any ideas about what is going on ? or how to fix this ?

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• How should I determine if a user is logged in graphically while lightdm is running?

  - by Jack

  I want to know if someone is logged into a local X-session. In the past I looked at the output of ck-list-sessions. The output looked something like this: Session12: unix-user = '[redacted]' realname = '[redacted]' seat = 'Seat1' session-type = '' active = TRUE x11-display = ':0' x11-display-device = '/dev/tty8' display-device = '' remote-host-name = '' is-local = TRUE on-since = '2012-10-22T18:17:55.553236Z' login-session-id = '4294967295' If no one was logged in, there was no output. I checked if someone was logged in with ck_result" string => execresult("/usr/bin/ck-list-sessions | /bin/grep x11 | /usr/bin/cut --delimiter=\\' -f 2 | /usr/bin/wc -w This no longer works, because lightdm greeter looks like a logged in user Session12: unix-user = '[redacted]' realname = 'Light Display Manager' seat = 'Seat1' session-type = 'LoginWindow' active = TRUE x11-display = ':0' x11-display-device = '/dev/tty8' display-device = '' remote-host-name = '' is-local = TRUE on-since = '2012-10-22T22:17:55.553236Z' login-session-id = '4294967295' I guess I could check session-type, but I don't know how to do that and check x11-display in one-liner. I then need to write my own script, but at that point I thought I would check if anyone else has already done the work or if there is a way to get ConsoleKit to tell me what I want (or if I should be using a different tool)?

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• USB flash module giving errors

  - by vshenoy

  Hi, I have a SATA USB flash module which was earlier running a 2.4 linux kernel (2.4.36.6) and on which now I am trying to install ubuntu server 10.04.1 LTS. I have two such USB flash modules and on one of them the installation process itself giving these errors: sd 4:0:0:0 [sda] Device not ready sd 4:0:0:0 [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE sd 4:0:0:0 [sda] Sense Key : Not Ready [current] sd 4:0:0:0 [sda] Add. Sense: Medium not present sd 4:0:0:0 [sda] CDB: Write(10): 2a 00 00 05 48 02 00 00 04 00 end_request: I/O error, dev sda, sector 46114 usb 1-1: reset high speed USB device using ehci_hcd and address 2 Buffer I/O error on device sda1, logical block 172033 lost page write due to I/O error on sda1 Buffer I/O error on device sda1, logical block 172034 lost page write due to I/O error on sda1 on the other the installation is successful, but after a day or two of running the machine hangs because of kernel spewing these messages: Remounting filesystem read-only EXT2-fs error (device sda1): read_block_bitmap: Cannot read block [bitmap - block_group = 105, block_bitmap = 860161] EXT2-fs error (device sda1): ext2_get_inode: unable to read inode block - inode=13083, block=24683 ext2_free_inode: bit already cleared for inode 83966 and the machine needs to be hard rebooted. On both the systems SCSI emulation with usb_storage driver is being used to detect the module. Here is the output of /proc/scsi/scsi on 2.4: # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 02 and on 2.6: # cat /proc/scsi/scsi Attached devices: Host: scsi6 Channel: 00 Id: 00 Lun: 00 Vendor: TS Model: UFM Rev: 1100 Type: Direct-Access ANSI SCSI revision: 00 i.e. only 'ANSI SCSI revision:' is shown as different, although I am not sure if this can cause any problem. Really appreciate if someone can point as to how to debug this issue or any mailing list where I can further ask questions about this.

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• Doesn't work Nginx + SSI [migrated]

  - by boopidoopi

  I have some problems. Nginx doesn't work with SSI. Nginx listens 80 port (frontend), apache2 listens 81 port (backend). That is my nginx configurations: server { listen 80; server_name test.dev www.test.dev; error_log /var/log/nginx/error.log debug; log_subrequest on; location / { ssi on; proxy_pass http://localhost:81; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_max_body_size 15m; client_body_buffer_size 128k; } } SSI include in test.dev index.php: <!--# include virtual="http:test.dev/test.html" -- When I open test.dev/index.php I see clean page. In page source: <!--# include virtual="http:test.dev/test.html" -- So how to enable SSI in nginx? Can you help me?

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• How to package static content outside of web application?

  - by chinto

  Our web application has static content packaged as part of WAR. We have been planning to move it out of the project and host it directly on Apache to achieve the following objectives. It's getting too big and bloating the EAR size resulting in slower deployment across nodes. Faster deployment times. Take the load of Application Server Host the static content on a sub domain allowing some browsers (IE) to load resources simultaneously Give us an option to use further caching such as Apache mod_cache apart from the cache headers we send out to browsers. We use yuicompressor-maven-plugin to aggregate and minimize JS file. My question is how do package and manage this static content out side of the web application? My current options are. New maven war project. Still use the same plugin for aggregation and compression. Just a plain directory in SVN and use YUI/Google compressor directly. Or is there a better technology out there to manage static content as a project?

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• How-To: Run CMSDK against a RAC cluster

  - by frank.closheim

  Using CMSDK in a production environment often requires a robust, reliable and failover enabled repository. When using Oracle Real Application Cluster (RAC) with your CMSDK repository you need to have a specific configuration in place to support such a setup. This post will explain the configuration steps required when running CMSDK 9.0.4.6 with Oracle WebLogic Server (WLS).In the previous CMSDK 9.0.4.2 version a RAC enabled connect string looked like this: (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = rac1)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = rac2)(PORT = 1521))(LOAD_BALANCE = NO)(FAILOVER = ON)(CONNECT_DATA =(SERVICE_NAME = rac)(failover_mode = (type=select)(method=basic)))CMSDK 9.0.4.6 makes use of data sources to connect to the underlying database. These data sources are configured inside your Application Server, such as Oracle WebLogic Server.In Oracle WebLogic Server 10.3.4, a single data source implementation has been introduced to support an RAC cluster. It responds to Fast Application Notification (FAN) events to provide Fast Connection Failover (FCF), Runtime Connection Load-Balancing (RCLB), and RAC instance graceful shutdown. XA affinity is supported at the global transaction Id level. The new feature is called WebLogic Active GridLink for RAC; which is implemented as the GridLink data source within WebLogic Server.This GridLink data source also works with Oracle Single Client Access Name (SCAN). SCAN is a feature used in RAC environments that provides a single name for clients to access any Oracle Database running in a cluster. You can think of SCAN as a cluster alias for databases in the cluster. The benefit is that the client’s connect information does not need to change if you add or remove nodes or databases in the cluster.The CMSDK 9.0.4.6 documentation describes how to create a regular JDBC data source named jdbc/OracleDS. Please refer to the following document which describes in detail how to create a GridLink data source in WLS.

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• Enterprise Portal Issue with the Ax Demo VPCs

  - by ssmantha

  Microsoft’s Ax Demo VPC is basically configured for a static IP address 192.168.0.1, this is due to the fact that the VPC has Domain Controlller configured in it which requires a static IP. When we put this VPC on a network with a different subnet and change the IP you can observer that the site http://sharepoint and http://sharepoint/EP cease to function and show “Page Not Found” errors in the browser. This is mainly due to the DNS configuration which is not updated. Below is the screen shot of the changes that needs to be done to make the site functioning properly. Change the following entries in the Forward Lookup Zones of DNS management: These websites default, SharePoint and projectserver are all mapped to a single port in the IIS i.e. port number 80. These websites are recognised with host headers. These host headers are configured in DNS with incorrect IP address entries in DNS when you change the IP address of the VPC. Just change these values to point to the Local Loop Adapter (127.0.0.1) and change the DNS to point to this address in the TCP/IP properties as shown below: This will resolve the issue with the website rendering. Initially you may get time out errors while browsing these website. be patient and try again this would work.

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• SSH asks for password

  - by user1435470

  I have already : Installed the server Generated the pub/pri keys with -P "" Copied the id_rsa.pub to authorized_keys ssh localhost answered "yes", copied to known_hosts tried ssh localhost still asks for password Output: hduser@hduser1-desktop:~$ ssh -v localhost OpenSSH_5.3p1 Debian-3ubuntu7, OpenSSL 0.9.8k 25 Mar 2009 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to localhost [127.0.0.1] port 22. debug1: Connection established. debug1: identity file /home/hduser/.ssh/identity type -1 debug1: identity file /home/hduser/.ssh/id_rsa type 1 debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 debug1: identity file /home/hduser/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.3p1 Debian- 3ubuntu7 debug1: match: OpenSSH_5.3p1 Debian-3ubuntu7 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'localhost' is known and matches the RSA host key. debug1: Found key in /home/hduser/.ssh/known_hosts:3 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Offering public key: /home/hduser/.ssh/id_rsa debug1: Authentications that can continue: publickey,password debug1: Trying private key: /home/hduser/.ssh/identity debug1: Trying private key: /home/hduser/.ssh/id_dsa debug1: Next authentication method: password Any suggestions ? Cheers

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• Good links somehow being converted to ones with a PHP redirect (not a virus)

  - by Rebecca

  This has happened to links we put on web pages and in emails. We might put www.oursite.org/work/ but when I view source it shows up as webmail.ourhosting.ca/hwebmail/services/go.php?url=https%3A%2F%2Fwww.oursite.org%2F%2work%2F This ends up at the webmail login page for our web host. But only some of the people who click the link get the login page; others go directly to the original page we intended. We don't want it to go to the webmail login page, nobody needs to log in to our web site. This occurs for links to pages on our site, but also to links to other sites that we put in emails or in posts. It seems to be browser independent as well as e-mail client independent as we variously have used Firefox and Chrome as well as MS Outlook and Thunderbird. I've tried to resolve the issue with our webhost but they keep telling me they don't support our browser, or our email client (i.e., they don't understand the issue). At the moment, our only option is to try another web host just to get rid of their login. Any ideas about what's going on?

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• Best way to protect website application code

  - by Gaz_Edge

  Background I have a web application that I host on my own server. I have clients who use the application as is, but some have asked if they can host the application on their own server. This enables them to have their own URLS rather than mine. The application only forms part of their website so I'm assuming it will not be possible for my server to respond to a direct call to their domain etc To give some examples, i currently have urls like www.mydomain.com/profile, www.mydomain.com/index.php?option=someoption&view=someview&id=1 What my clients' want is www.theirdomian.com/profile, www.theirdomian.com/index.php?option=someoption&view=someview&id=1 etc Question My question is, what is the best way for me to allow them to use their own URLs with my application, without giving them all the backend source code and databases to install on their server? One way I thought would be to create a router.php file that sits on their server. The router then asks my server to output the html. The router modifies all the links etc in the html source and outputs the new html through the clients server. When a link is clicked on the clients site, the router receives the request and modifies the url to get the data from my server etc. Is this an effective way to achieve what I want, or is it way off the mark.

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