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• Apache Front End....Tomcat back end...SSL question

  - by Jared

  Hi Everyone, Question.... I have Apache setup as my webserver. Tomcat is hooked into Apache via mod_jk, so the user never interacts with Tomcat. I have set up SSL on the Apache Webser...I can hit it with https:// localhost When I try to access my application at ...https://localhost/app I get a directory not found error. Catch is when I go regular http... I can hit it fine... http:// localhost/app What do I have to edit for this connection to work? I have uncommented the AJP connector in server.xml I have added my virtual host to httpd.conf What am I missing? Thanks in advance. Jared

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• Optimising bare-metal hypervisor installation

  - by Stephen

  what is the best way to install a bare metal hypervisor (i.e. to host multiple VM's)? I spoke to a friend and he is using a HP server to host all his VMs with VMware ESXi, but he installed the VMWARE esxi software on a flash card. He can then use his full hard disk capacity from each drive for the VMs. Is this a pretty standard setup when configuring a bare-metal hypervisor? How do you guys do it, and what is best?

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• How do I structure code and builds for continuous delivery of multiple applications in a small team?

  - by kingdango

  Background: 3-5 developers supporting (and building new) internal applications for a non-software company. We use TFS although I don't think that matters much for my question. I want to be able to develop a deployment pipeline and adopt continuous integration / deployment techniques. Here's what our source tree looks like right now. We use a single TFS Team Project. $/MAIN/src/ $/MAIN/src/ApplicationA/VSSOlution.sln $/MAIN/src/ApplicationA/ApplicationAProject1.csproj $/MAIN/src/ApplicationA/ApplicationAProject2.csproj $/MAIN/src/ApplicationB/... $/MAIN/src/ApplicationC $/MAIN/src/SharedInfrastructureA $/MAIN/src/SharedInfrastructureB My Goal (a pretty typical promotion pipeline) When a code change is made to a given application I want to be able to build that application and auto-deploy that change to a DEV server. I may also need to build dependencies on Shared Infrastructure Components. I often also have some database scripts or changes as well If developer testing passes I want to have an manually triggered but automated deploy of that build on a STAGING server where end-users will review new functionality. Once it's approved by end users I want to a manually triggered auto-deploy to production Question: How can I best adopt continuous deployment techniques in a multi-application environment? A lot of the advice I see is more single-application-specific, how is that best applied to multiple applications? For step 1, do I simply setup a separate Team Build for each application? What's the best approach to accomplishing steps 2 and 3 of promoting latest build to new environments? I've seen this work well with web apps but what about database changes

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• Intgrating windows 2000 server in a windows 2008 domain [on hold]

  - by user199121

  I have a network enviroment where my windows 2000 server is just acting as fileserver for sharing, so all the users has an account there with username, password and a list of access rights. Now i want to keep this server cause i am running from there an application that 20 users access but also i want to add a new Windows 2008 R2 64 bit server as a domain controller. Is this possible ? 1-It is ok to make the new windows 2008 server a domain controller ? 2- I want all the users accounts to be the same in the domain controller so they can still use the same username and password to login into the domain as well into the windows 2000 server that is setup as a Workgroup. 3- Do i need to do something to the windows 2000 sever to still be functional in the environment so it can be accessed by the clients computers? note:My clients computers are windows 2000 pro, xp pro and windows 7 32/64 bit. Thanks in advance

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• Organizing Git repositories with common nested sub-modules

  - by André Caron

  I'm a big fan of Git sub-modules. I like to be able to track a dependency along with its version, so that you can roll-back to a previous version of your project and have the corresponding version of the dependency to build safely and cleanly. Moreover, it's easier to release our libraries as open source projects as the history for libraries is separate from that of the applications that depend on them (and which are not going to be open sourced). I'm setting up workflow for multiple projects at work, and I was wondering how it would be if we took this approach a bit of an extreme instead of having a single monolithic project. I quickly realized there is a potential can of worms in really using sub-modules. Supposing a pair of applications: studio and player, and dependent libraries core, graph and network, where dependencies are as follows: core is standalone graph depends on core (sub-module at ./libs/core) network depdends on core (sub-module at ./libs/core) studio depends on graph and network (sub-modules at ./libs/graph and ./libs/network) player depends on graph and network (sub-modules at ./libs/graph and ./libs/network) Suppose that we're using CMake and that each of these projects has unit tests and all the works. Each project (including studio and player) must be able to be compiled standalone to perform code metrics, unit testing, etc. The thing is, a recursive git submodule fetch, then you get the following directory structure: studio/ studio/libs/ (sub-module depth: 1) studio/libs/graph/ studio/libs/graph/libs/ (sub-module depth: 2) studio/libs/graph/libs/core/ studio/libs/network/ studio/libs/network/libs/ (sub-module depth: 2) studio/libs/network/libs/core/ Notice that core is cloned twice in the studio project. Aside from this wasting disk space, I have a build system problem because I'm building core twice and I potentially get two different versions of core. Question How do I organize sub-modules so that I get the versioned dependency and standalone build without getting multiple copies of common nested sub-modules? Possible solution If the the library dependency is somewhat of a suggestion (i.e. in a "known to work with version X" or "only version X is officially supported" fashion) and potential dependent applications or libraries are responsible for building with whatever version they like, then I could imagine the following scenario: Have the build system for graph and network tell them where to find core (e.g. via a compiler include path). Define two build targets, "standalone" and "dependency", where "standalone" is based on "dependency" and adds the include path to point to the local core sub-module. Introduce an extra dependency: studio on core. Then, studio builds core, sets the include path to its own copy of the core sub-module, then builds graph and network in "dependency" mode. The resulting folder structure looks like: studio/ studio/libs/ (sub-module depth: 1) studio/libs/core/ studio/libs/graph/ studio/libs/graph/libs/ (empty folder, sub-modules not fetched) studio/libs/network/ studio/libs/network/libs/ (empty folder, sub-modules not fetched) However, this requires some build system magic (I'm pretty confident this can be done with CMake) and a bit of manual work on the part of version updates (updating graph might also require updating core and network to get a compatible version of core in all projects). Any thoughts on this?

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• Getting a lot of postmaster undeliverable notices for non-existent users

  - by Mike Walsh

  I've had my domain (straightpathsql.com) for a few years now. I host my e-mail with Google Accounts for business and have for awhile. ALl of the sudden in the past week I am starting to get a lot of postmaster delivery fail notices from various domains, most of them involving bogus e-mail addresses at my domain ([email protected], for example)... My assumption here is that someone is trying to relay on some other host (not my hosts which are secure through google apps for business, I presume) and there isn't much I can do to stop it. But I just want to make sure there isn't something else I need to be looking at here.. An example delivery fail notice is below.. I know nothing of those addresses below and they look like garbage... (Quick edit: the reason I get these messages is I set myself up as a catch all, so it doesn't matter what e-mail you send a note to at my domain, I'll get it if the account isn't setup... All of the failure messages are sent to bogus addresses on my domain) The following message to <[email protected]> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 553-'sorry, this recipient is in my badrecipientto list (#5.7.1)' Final-Recipient: rfc822;[email protected] Action: failed Status: 5.0.0 (permanent failure) Remote-MTA: dns; [118.82.83.11] Diagnostic-Code: smtp; 5.1.0 - Unknown address error 553-'sorry, this recipient is in my badrecipientto list (#5.7.1)' (delivery attempts: 0) ---------- Forwarded message ---------- From: Howard Blankenship <[email protected]> To: omiivi2922 <[email protected]> Cc: Date: Subject: Hi omiivi2922

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• Mail on other server

  - by takeshin

  Here is the current DNS setup: mx.example.com 3600 A 93.157.123.73 example.com 3600 A 93.157.123.93 www.example.com 3600 A 93.157.123.93 mail.example.com 3600 A 93.157.123.72 smtp.example.com 3600 CNAME mail.example.com pop3.example.com 3600 CNAME mail.example.com imap.example.com 3600 CNAME mail.example.com panel.example.com 3600 CNAME panel.example2.pl www.panel.example.com 3600 CNAME panel.example2.pl ftp.example.com 3600 CNAME example.com mysql.example.com 3600 CNAME example.com pgsql.example.com 3600 CNAME example.com *.example.com 3600 CNAME example.com example.com 3600 MX 10 mx.example.com example.com 3600 NS ns1.example2.pl example.com 3600 NS ns2.example.pl example.com 3600 TXT "v=spf1 redirect=_spf.example3.pl" My client wants to have mail on his own server alfa.otherhost.com. Which entries do I have to update? Only the MX one? example.com 3600 MX 10 alfa.otherhost.com or: example.com 3600 MX 10 mx.alfa.otherhost.com Do I need to update POP, SMTP and IMAP entries too?

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• WebLogic 12 hands-on bootcamps for partners–new dates & locations

  - by JuergenKress

  We offer free 2 days hands-on WebLogic 12c workshops for Oracle partners who want to become WebLogic Specialized: Register Here! Highlights of the workshop Quotes from previous Workshops Environment Setup and Weblogic Installation hands-on lab Weblogic Session Sharing hands-on lab Coherence hands-on lab WLS Session Replication with Coherence Web hands-on lab Weblogic Troubleshooting hands-on lab Weblogic JMS hands-on lab Exalogic & Oracle Cloud overview Oracle Enterprise Manager overview Oracle trainings are the best" Pedro Neto Novabase "Excellent training, well organized" Pedro Antunh, Capgemini "This course dives you into Oracle WebLogic giving you a quick start on benefiting from Fusion Apps" Leonardo Fernandes, Outsystems The event dates are following: Belgium 3rd - 4th October 2012 Oracle Vilvoorde South Africa 3rd –4th October 2012 Oracle Johannesburg Switzerland 25th - 26th October 2012 Oracle Baden-Dättwil Denmark 30th - 31st October 2012 Oracle Ballerup Norway 6th - 7th November 2012 Oracle Lysaker Netherlands 18th - 20th December 2012 Oracle Utrecht WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. BlogTwitterLinkedInMixForumWiki Technorati Tags: WebLogic Bootcamp,WebLogic training,education,training,PTS,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Distributed computing for a company? Is there such a 'free' thing?

  - by Jakub

  I am new to the whole distributed computing / cloud thing. But I had an idea at work for our multimedia stuff like movie encoding / cpu intensive things tasks (which sometimes take a few hours). Is there a 'free' (linux?) way to go about using a Windows machine, and offsetting those cpu cycles for that task to say 10 servers that are generally idle (cpu wise)? I'm just curious if there is a way to do this or am I just grasping at straws here. My thought is that a 'cloud' setup would achieve this, however like I stated initially, I am a total newbie when it comes to it. This is just an idea, looking for some thoughts? Anyone achieve this?

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• How can private IPV4 addresses get past iptables NAT (tcp RST,FIN)

  - by gscott

  I've got a router performing simple NAT translation using iptables iptables -t nat -o -j MASQUERADE This works fine almost all of the time except for one particular case where some TCP RST and FIN packets are leaving the router un-NAT'd. In this scenario I setup 1 or 2 client computers streaming Flash video (eg www.nasa.gov/ntv) At the router I then tear down and re-establish the public interface (which is a modem) As expected the Flash streams stall out. After the connection is re-established and I try to refresh the Flash pages, I see some TCP RST and [FIN,ACK] packets leaving the public interface (I assume as Flash attempts to recover its stream). I don't know how these packets can leave the router non-NAT'd

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• How do I install and use Windows Virtual PC in Windows 8?

  - by KronoS

  I really like the integrated Virtual Machine that Windows had built-in with Windows 7 with Windows Virtual PC. I'm looking to install that again. I'd like to be able to install multiple machines as I did before (XP, Ubuntu, Etc,.) but I can't seem to find Windows Virtual PC for Windows 8 any more. Is it still available?, and if not was there something setup in place to replace it? How do I use it? NOTE TO ALL: While this is an accepted self posted answer feel free to edit, comment, or add an answer of your own. If your answer is better than mine, I will accept. This question was a Super User Question of the Week. Read the blog entry for more details or contribute to the blog yourself

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• My Apache access log contains weird GET and POST requests, what can I do?

  - by Konstantin

  My Apache access log contains weird GET and POST requests, is it possible to examine which of these are harmful? For example: 114.232.151.185 - - [11/Jun/2014:20:11:33 +0200] "GET http://hotel.qunar.com/render/hoteldiv.jsp?&__jscallback=XQScript_4 HTTP/1.1" 404 1167 103.30.175.10 - - [12/Jun/2014:08:35:17 +0200] "GET /vtigercrm/ HTTP/1.1" 404 1034 69.174.245.163 - - [14/Jun/2014:01:22:38 +0200] "GET /w00tw00t.at.blackhats.romanian.anti-sec:) HTTP/1.1" 404 1034 69.174.245.163 - - [14/Jun/2014:01:22:38 +0200] "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 404 1034 94.74.229.110 - - [16/Jun/2014:18:46:43 +0200] "GET http://www.msftncsi.com/ncsi.txt HTTP/1.1" 404 1037 80.73.11.164 - - [20/Jun/2014:01:52:14 +0200] "POST /cgi-bin/php?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+%2D%6E HTTP/1.1" 404 1034 162.253.66.76 - - [24/Jun/2014:23:54:30 +0200] "GET /rutorrent HTTP/1.1" 400 226 122.226.223.69 - - [25/Jun/2014:01:14:27 +0200] "GET http://todd0738.gotoip4.com//hello.html HTTP/1.1" 404 1041 My Apache access log file: http://pastebin.com/2x0naQBK

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• CodePlex Daily Summary for Wednesday, May 21, 2014

  CodePlex Daily Summary for Wednesday, May 21, 2014Popular ReleasesSpotify Plugin for Jamcast: Spotify Plugin for Jamcast v2.0: This release works with Jamcast 2.0 API. Implements search. Requires libspotifydotnet 4.0.0.0 and libspotify 12.1.51libspotify.NET - a managed interop library for libspotify: libspotify.NET v4.0 (x86): Bugfixes, API changes.SharpLightReporting: SharpLightReporting 1.0.2: Bug Fix: Picture tag is now able to get the data from the property. NullReferenceException is not being thrown now. Added: addtocolpos and addtorowpos attributes to chat tagWindows Embedded Board Support Package for BeagleBone: WEC7 BeagleBone Black 01.05.00: Demo image. Runs on BeagleBone White and Black. On BeagleBone Black works with uSD or eMMC based images SDK and demo tests included Now with Silverlight and OpenGL (PoweVR) support! Built and maintained in the U.S.A.!MISAO: Ver. 5.4: Fix bugs (Nicovideo viwer add-in) Add Masakari option (Nicovideo viwer add-in)SubVersionOne: SubVersionOne 1.3: Removed reference to old V1 SDK and changed all queries to use REST API. Added status and scopes to the workitem view.VisioAutomation: Visio PowerShell Module (VisioPS) 1.1.26: DocumentationDocumentation is here http://sdrv.ms/11AWkp7 Screencasthttp://vimeo.com/61329170 FilesFor easy installation, download and run the MSI file. If you want to manually install, a ZIP file is provided. ChangeLog *Version 1.1.25 Changed Module name to Visio. So to import the module use Import-Module Visio Replaced Invoke-VisioDraw with Out-Visio *Version 1.1.25 fixed Get-VisioCustomProperties *Version 1.1.23 Fixed a logging bug - was dividing by zero when operations were done ...Extended T-SQL Collector: 1.1.5: Modified to allow collecting system collection sets where the "Generic T-SQL Query collector type" is used. Pick the bitness of your SQL Server installation. If you have a 32 bit SQL Server instance installed on a 64 bit Windows Server, use the x86 setup kit. Both setup kits install the same exact code, but the target directory is different on x64 machines ("Program Files" for x64 and "Program Files (x86)" for x86).EdiFabric: Release 3.1: Fixed parse tree generation for the latest validation schemasCompare .NET Objects: Version 2.03.0.0: Support for System.Drawing.Font type New Option to Ignore Unknown Object TypesQuickMon: Version 3.11: This release adds some major changes to the core monitoring engine. 1. Polling overrides: Each collector entry can specify a minimum time updating is allowed for it and dependent collector entries. 2. Polling frequency sliding: Additional to polling overrides a collector entry can specify 'sliding' polling frequency if the state remains the same. This means the frequency slows down reducing overhead of polling on a stagnant resource. 3. The monitor pack has an overriding frequency. If used...Mini SQL Query: Mini SQL Query (1.0.72.457): Apologies for the previous update! FK issue fixed and also a template data cache issue.WordMat: WordMat v. 1.06: Check WordMat.blogspot.com for a complete description of new features.Wsus Package Publisher: Release v1.3.1405.17: Add Russian translation (thanks to VSharmanov) Fix a bug that make WPP to crash if the user click on "Connect/Reload" while the Report Tab is loading. Enhance the way WPP store the password for remote computers command.MoreTerra (Terraria World Viewer): More Terra 1.12.9: =========== = Compatibility = =========== Updated to account for new format 1.2.4.1 =========== = Issues = =========== all items have not been added. Some colors for new tiles may be off. I wanted to get this out so people have a usable program.LINQ to Twitter: LINQ to Twitter v3.0.3: Supports .NET 4.5x, Windows Phone 8.x, Windows 8.x, Windows Azure, Xamarin.Android, and Xamarin.iOS. New features include Status/Lookup, Mute APIs, and bug fixes. 100% Twitter API v1.1 coverage, Async, Portable Class Library (PCL).CS-Script for Notepad++ (C# intellisense and code execution): Release v1.0.26.0: Added access to the Release Notes during 'Check for Updates...'' Debug panels Added support for generic types members Members are grouped into 'Raw View' and 'Non-Public members' categories Implemented dedicated (array-like) view for Lists and Dictionaries http://download-codeplex.sec.s-msft.com/Download?ProjectName=csscriptnpp&DownloadId=846498ClosedXML - The easy way to OpenXML: ClosedXML 0.70.0: A lot of fixes. See history.SFDL.NET: SFDL.NET (2.2.9.2): Changelog: Neues Icon Xup.in CnL Plugin BugfixSEToolbox: SEToolbox 01.030.008 Release 1: Fixed cube editor failing to apply color to cubes. Added to cube editor, replace cube dialog, and Build Percent dialog. Corrected for hidden asteroid ore, allowing rare ore to show when importing an asteroid, or converting a 3d model to an asteroid (still appears to be limitations on rare ore in small asteroids). Allowed ore selection to Asteroid file import. (Can copy/import and convert existing asteroid to another ore). Added progress bars to common long running operations. Fixed ...New Projects.Net Flexport: Library for importing and exporting data from and to csv or text files using attributes to describe the export format.Chess Platform: Simple Chess Platform with basic players and GUI.DMEditor: DMEditor is a "kit librarian" for the Alesis DM10 electronic drum module, allowing you to save and load drum kits, individual instruments, or even full modules.Endomondo Export: Endomondo GPX TCX activity exporter / downloaderHunt for Red October HTW: Hunting the Red October (Wumpus) at Microsoft 2014JuegoIngenio: ALTO JUEGOOrchard Liquid Markup: Orchard module for adding support for templates written in Liquid Markup (http://liquidmarkup.org/). Uses DotLiquid (http://dotliquidmarkup.org/).Panorama: No summaryPunto de Venta TCU: Sistema Punto de VentaString.Format Diagnostic (Roslyn): The aim of the project is to enable "Roslyn" diagnostics for the validation of the formatstring supplied to String.Format.System Layer: Operating System abstraction layer which will enable developers to create applications and device drivers which run on virtually any platform.XiaoQingDao: XiaoQingDao????????-????????【??】????????????: ??????????????,????,??????????? ???? ???? ?????????,???,??,?????! ??????-??????【??】??????????: ?????????? ???? ???? ???? ???? ???? ??????? ?????，????????????????. ??????-??????【??】??????????: ???????????????:?????? ???? ??????,???????,??????,???????。 ??????-??????【??】??????????: ????????,??????:?????,?????,??????,??????????,????????。????????! ??????-??????【??】??????????: ??????????????????、????,??100%????,??????,????????????,???????????! ??????-??????【??】??????????: ????????????????????,??????????,????????、????,??????????,??????????。 ???????-???????【??】???????????: ???????????????????、????、??????、????????,????????????,???????????！ ???????-???????【??】???????????: ????????????????、????、????、??????、????、???????,?????,?????????! ???????-???????【??】???????????: ????????????????????????????,???????????????????????,???????。 ??????-??????【??】??????????: ??????,??,????????。 ... ??????????????????、??????????????????... ??????-??????【??】??????????: ?????????????,??,??,??,??? ?,??,,??,??,??,??,??,??,????????,??????！ ??????-??????【??】??????????: ????????????????????,?????,???????,???????????,??????! ??????-??????【??】??????????: ???????????,?????????????? ??。????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ???????????????????????:????、????、??????????????,????????。????????! ??????-??????【??】??????????: ????????????????????????,??????????,????,????,?????????、??????,??????。 ??????-??????【??】??????????: ???????????、????、????、??????????,???,?????,???????????????. ??????-??????【??】??????????: ???????????????,????,???????、???????????,???????????,????,?????,???????。 ??????-??????【??】??????????: ????????????????,?????????、??、??、????,??????????,?????????????！ ????: 《????》（c???）??“????”???????，???????????????C?????????。???????,???????????????????????. ??????????????????????????????????；????????????????????????????。??????-??????【??】??????????: ?????????????????,???????????????。?????????????,???????,?????????。 ??????-??????【??】??????????: ??????????????????,??:??????,????,????,????,?????,??????????????. ??????-??????【??】??????????: ????????????????????,?????????????,???????????.????????????,????????????! ??????-??????【??】??????????: ??????,?????????,?????????????。?????????????,?????????,???????。 ??????-??????【??】??????????: ??????????????:????,????,????,???????,????????,??????:????????,?????! ??????-??????【??】??????????: ??????????????????????????,???????????????,????????????????！ ??????-??????【??】??????????: ???????????????????,????,????,????,???????,?????,?????.??????。 ??????-??????【??】??????????: ??????????,????????,?????,???,???????????,???????????,?????,??????！ ??????-??????【??】??????????: ????????????????????????????:???????,??????,????,????,????,?????！ ??????-??????【??】??????????: ??????????????????,???????、????、????、??????、???????,??????,???????????。 ??????-??????【??】??????????: ????????????????,???????、???????????,????????,????,?????????,??????,??????! ??????-??????【??】??????????: ?????????????????,????????????,?????????????????,??????,????????! ??????-??????【??】??????????: ??????????????,?????????????,????,?????????,?????????????,?????,?????! ??????-??????【??】??????????: ?????????????????????,????,????,??????????。???????????????,??,??,??????????,??????... ??????-??????【??】??????????: ?????????????????,???????????????。???????????,??????:????、????、???????！ ???????-???????【??】???????????: ?????????????????????,???、???!???????,????????????????,????????????,???! ???????-???????【??】???????????: ????????????、?????、?????、?????、?????、????,???????????,?????,??????！ ???????-???????【??】???????????: ?????????????????,?????????????? ??。??????????、????、????、?????????? ???????。 ??????-??????【??】??????????: ??????????,??????????????????????,???????????????,?????????????！ ??????-??????【??】??????????: ??????????????????????,?????, ... ????????????,????,????,?????,???????。 ??????-??????【??】??????????: ????????????????，?????????/?,,???????????,??????????????! ???? (?????): ???: ????（?????）??????-??????【??】??????????: ?????????????、?????、?????、????、?????,??????????。????????????????! ??????-??????【??】??????????: ??????????????????,???????????,??????????????,??????????，??????????????！ ??????-??????【??】??????????: ??????????????????,????????????,?????、??、????,?????,??????！ ??????-??????【??】??????????: ??????????????????????,???????????????,????????????????????! ??????-??????【??】??????????: ????????????,??????????、??????,??????????、????、????、???????。 ??????-??????【??】??????????: ??????????????????????,???????????????,???????,?????,?????,????? !!! ??????-??????【??】??????????: ?????????????????,????:????,????,????,??????,?????,???????????????! ??????-??????【??】??????????: ?????????????????"????,????"???,????????????????????????,??????????????。 ??????-??????【??】??????????: ???????????????????????????、??????????????,??????????????。 ??????-??????【??】??????????: ????????????????????????、??????,????、?????、????， ?????????，?????????????！ ??????-??????【??】??????????: ????????,??????,?????????????????????,???????????????????????。 ??????-??????【??】??????????: ?????????????????????、????、????、??????、???????,??????、??????。 ??——?????: None

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• Send raw data to USB parallel port after upgrading to 11.10

  - by zaphod

  I have a laser cutter connected via a generic USB to parallel adapter. The laser cutter speaks HPGL, as it happens, but since this is a laser cutter and not a plotter, I usually want to generate the HPGL myself, since I care about the ordering, speed, and direction of cuts and so on. In previous versions of Ubuntu, I was able to print to the cutter by copying an HPGL file directly to the corresponding USB "lp" device. For example: cp foo.plt /dev/usblp1 Well, I just upgraded to Ubuntu 11.10 oneiric, and I can't find any "lp" devices in /dev anymore. D'oh! What's the preferred way to send raw data to a parallel port in Ubuntu? I've tried System Settings Printing + Add, hoping that I might be able to associate my device with some kind of "raw printer" driver and print to it with a command like lp -d LaserCutter foo.plt But my USB to parallel adapter doesn't seem to show up in the list. What I do see are my HP Color LaserJet, two USB-to-serial adapters, "Enter URI", and "Network Printer". Meanwhile, over in /dev, I do see /dev/ttyUSB0 and /dev/ttyUSB1 devices for the 2 USB-to-serial adapters. I don't see anything obvious corresponding to the HP printer (which was /dev/usblp0 prior to the upgrade), except for generic USB stuff. For example, sudo find /dev | grep lp produces no output. I do seem to be able to print to the HP printer just fine, though. The printer setup GUI gives it a device URI starting with "hp:" which isn't much help for the parallel adapter. The CUPS administrator's guide makes it sound like I might need to feed it a device URI of the form parallel:/dev/SOMETHING, but of course if I had a /dev/SOMETHING I'd probably just go on writing to it directly. Here's what dmesg says after I disconnect and reconnect the device from the USB port: [ 924.722906] usb 1-1.1.4: USB disconnect, device number 7 [ 959.993002] usb 1-1.1.4: new full speed USB device number 8 using ehci_hcd And here's how it shows up in lsusb -v: Bus 001 Device 008: ID 1a86:7584 QinHeng Electronics CH340S Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x1a86 QinHeng Electronics idProduct 0x7584 CH340S bcdDevice 2.52 iManufacturer 0 iProduct 2 USB2.0-Print iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 96mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 7 Printer bInterfaceSubClass 1 Printer bInterfaceProtocol 2 Bidirectional iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0020 1x 32 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0020 1x 32 bytes bInterval 0 Device Status: 0x0000 (Bus Powered)

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• Strange behavior in networking between 64bit and 32bit

  - by Rob

  I'm having a strange behavior about my network setup. I have 2 laptops, one (Lenovo) with Windows 7 Professional 64-bit and another (Acer) with Windows 7 Ultimate 32-bit and a wireless router. I'm connecting these 2 using the router but with a strange behavior. I can ping both machines, as well as the router, but when i try to access their shared folders (\\computer_name\shared_folder) the connection starts to fail and I need to reboot both machines to get it working again. But this only happens sometimes, sometimes it works.

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• CentOS 6.5 SVN https - Unknown DAV provider: svn

  - by Programster

  I am trying to setup a CentOS 6.5 64bit server with SVN over HTTPS. Unfortunately after configuring the /etc/httpd/conf.d/subversion.conf file as follows (changed paths): <Location /repos> DAV svn SVNParentPath /path/to/svn/repos # Limit write permission to list of valid users <LimitExcept GET PROPFIND OPTIONS REPORT> # Require SSL connection for password protection SSLRequireSSL AuthType Basic AuthName "Authorization Realm" AuthUserFile /path/to/passwdfile Require valid-user </LimitExcept> </Location> I get the following error message when restarting http: Starting httpd: Syntax error on line 3 of /etc/httpd/conf.d/subversion.conf: Unknown DAV provider: svn I have triple checked that I have the mod_dav_svn package already installed: Package mod_dav_svn-1.6.11-10.el6_5.x86_64 already installed and latest version Is my config wrong or are there other packages I need to set up?

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• Modify .htm files on wireless router

  - by mdeitrick

  What am I trying to do? I am attempting to access the .htm files on my wireless router to modify the look and feel of the Netgear GENIE webpage(s). What have I done? I've read several articles on eHow and Instructables that detail how to setup your router as an FTP server, since I figured the best way to access the files would be through FileZilla. Setting up an FTP server through my router doesn't sound like what I should do to accomplish my task... or perhaps it is? I've also read the documents provided by Netgear for getting started and setting up functionality on the router. Maybe I overlooked something? My specifications Netgear router WNR2000v3 FileZilla v3.8.1 UPDATE: Since someone voted to close this question I'll clarify what I'm asking for... At the present I am dissatisfied with the current UI/webpage look when logging into routerlogin.net. Furthermore I would like to make changes to the admin dashboard.

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• Windows Server 2008 R2 DNS Server not working?

  - by wolfvilleian

  Hi, I have a server running Windows Server 2008 R2 hosting a DNS server, exchange 2010 and is a domain controller. One computer on the network (and domain) can ping the server 25% of the time, also when I try to ping it's own hostname it also does not work. However another computer that is on the domain can ping it fine, and another computer on the network but not domain can ping fine as well. The computer that cannot ping the server is setup to use the DNS server running on the server only (secondary dns points to nothing) and it will resolve the hostname of the server to the external IP not internal when the other two computers correctly resolve the internal All 3 computers and server are connected directly into the same switch. Does anyone have any ideas on how to fix this? Thanks

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• What is the old AIX & RS/6000 console font?

  - by Xepoch

  I'm sick of Lucida Console font on my putty sessions. I used to love whatever font was employed on IBM rs/6000 consoles. Does anyone know the name of that font and if it is available (and usable) from anywhere? Sorry, I need to clarify the "consoles" to which I refer were not the serial consoles but rather smaller stand-alone X-Window systems. They could be setup without XDM and would start in text screen. I'm searching like crazy to find the actual machines I remember (there were hundreds of them at Uni) but I don't have the IBM #s in front of me. It looked amazingly similar to the PS/2 like this:

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• use of tcp_delack_min on redhat linux (kernel 2.6.18)

  - by user41466

  Hello, we're moving from Solaris to Redhat Linux, and trying to duplicate our low-latency setup, that, on solaris, includes the ndd settings related to TCP NO DELAY, and NAGLE ALGORITHM. I got the impression that those parameters are not all configurable system-wide, but still found some info. we have configured our applications to run with no nagle algorithm, but that is not sufficient. we have found an interesting RH article talking presenting the tcp_delack_min parameter, however, when browsing /proc/sys/net/ipv4/ , I can't find it there. would it be safe to assume that simply "adding" the parameter as it's said on the doc would be enough, or rather that the option is not supported by this version (would be strange, as RH specify that it "can be performed on a standard Red Hat Enterprise Linux installation") ? any other idea / recommendation to improve latency further ? thanks

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• How do create an encrypted system with multiple Linux distributions?

  - by niels

  A few weeks ago I created a completely encrypted system on a notebook and must say I like the idea. It's a little bit annoying to enter the password on every boot, but it's nice to know even if I loose the computer I don't give my data to other people. With the alternate-cd it's easy to do. Now I have to setup a new system where I want to combine the new idea with my usual usage strategy. There I have more partitions: 3 system, Home, Different Data-Partitions for vm-data, photo-data and mp3-data. The background is that I prefer not to update a system. I prefer to install the new version parallel to the old system. So I can easily test it. Obviously the Data-Partitions are used for both systems. My questions is, how can I easily combine both my strategy and the crypto-approach? Or is it impossible. The way to do the crypted stuff by hand is in my eyes to complicated.

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• How to Configure IIS 7.5 to Host Several Classic ASP Sites using 1 IP Address?

  - by SidC

  We are running Windows Server 2008 R2 with IIS 7.5 and have 4-5 Classic ASP sites to install. The main site is stored in wwwroot and the other sites are stored in folders below wwwroot. We have 1 IP address for the server. How do I configure IIS to allow folks to browse/test the sites before domain names are pointed to te server? When I setup one of the sites in a subfolder of wwwroot and assign a separate port to it, I receive a message stating: Config Error Cannot add duplicate collection entry of type 'add' with unique key attribute 'value' set to 'index.asp' How do I remedy this error and permit IIS to render the site?

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• Configure Windows Routes for VPN

  - by Florin Sabau

  I have a Virtual PC/VMWare machine that runs Windows Server 2003. This virtual machine uses an IPSec VPN client program to connect to a remote network. I configured the virtual machine to have 2 NICs: NAT - to be used by the VPN Client to access the remote network Host only - to be able to access the virtual machine from the host The reason I have this setup is because I want to be able to access some remote network from the host machine. I could've installed the VPN client on the host machine, but the host runs Windows 7 and the client doesn't support it. The problem: although the virtual machine is normally reachable (ping + http access), as soon as the VPN client is started, neither of the NIC addresses are reachable anymore. I'm wondering if it is a routing problem that needs to be addressed? How do routing/VPN client connection affect the ability of the server to respond to client requests from the host?

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• NFS server generating "invalid extent" on EXT4 system disk?

  - by Stephen Winnall

  I have a server running Xen 4.1 with Oneiric in the dom0 and each of the 4 domUs. The system disks of the domUs are LVM2 volumes built on top of an mdadm RAID1. All the domU system disks are EXT4 and are created using snapshots of the same original template. 3 of them run perfectly, but one (called s-ub-02) keeps on being remounted read-only. A subsequent e2fsck results in a single "invalid extent" diagnosis: e2fsck 1.41.14 (22-Dec-2010) /dev/domu/s-ub-02-root contains a file system with errors, check forced. Pass 1: Checking inodes, blocks, and sizes Inode 525418 has an invalid extent (logical block 8959, invalid physical block 0, len 0) Clear<y>? yes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information /dev/domu/s-ub-02-root: 77757/655360 files (0.3% non-contiguous), 360592/2621440 blocks The console shows typically the following errors for the system disk (xvda2): [101980.903416] EXT4-fs error (device xvda2): ext4_ext_find_extent:732: inode #525418: comm apt-get: bad header/extent: invalid extent entries - magic f30a, entries 12, max 340(340), depth 0(0) [101980.903473] EXT4-fs (xvda2): Remounting filesystem read-only I have created new versions of the system disk. The same thing always happens. This, and the fact that the disk is ultimately on a RAID1, leads me to preclude a hardware disk error. The only obvious distinguishing feature of this domU is the presence of nfs-kernel-server, so I suspect that. Its exports file looks like this: /exports/users 192.168.0.0/255.255.248.0(rw,sync,no_subtree_check) /exports/media/music 192.168.0.0/255.255.248.0(rw,sync,no_subtree_check) /exports/media/pictures 192.168.0.0/255.255.248.0(rw,sync,no_subtree_check) /exports/opt 192.168.0.0/255.255.248.0(rw,sync,no_subtree_check) /exports/users and /exports/opt are LVM2 volumes from the same volume group as the system disk. /exports/media is an EXT2 volume. (There is an issue where clients see /exports/media/pictures as being a read-only volume, which I mention for completeness.) With the exception of the read-only problem, the NFS server appears to work correctly under light load for several hours before the "invalid extent" problem occurs. There are no helpful entries in /var/log. All of a sudden, no more files are written, so you can see when the disk was remounted read-only, but there is no indication of what the cause might be. Can anyone help me with this problem? Steve

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• CREDSSP 500 errors

  - by Andy Milsark

  Hello all, We are experience a 500 http error when trying to run remote powershell on a win 2008 R2 server. I have run enable-wsmancredssp for both client and server roles on this machine. I have also run "winrm quickconfig". Also the allowfreshcredentials delegation group policy is setup correctly as well. There are active listeners running and credssp is enabled for client and service. I can connect with kerberos (by not specifing authentication type), but the following remote powershell command fails: Enter-PSSession -ComputerName serverX -credential domain\user -Authentication Credssp Error: Enter-PSSession : Connecting to remote server failed with the following error message : The WinRM client received an HTTP server error status (500), but the remote service did not include any other information about the cause of the failure. For more information, see the about_Remote_Troubleshooting Help topic. At line:1 char:16 I have not been able to find any useful information on how to troubleshoot this. I have restarted Winrm, rebooted, disabled and re-enabled credssp. Please help.

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