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• EBS Diagnostics & Trailing Spaces

  - by Robert Story

  Upcoming WebcastsTitle: EBS Diagnostics & Trailing SpacesDate: April 20, 2010 Time: 2:00 pm Japan, 10:30 am India, 07:00 am CET, 03:00 pm Australia Click here to register for this sessionDate: April 21, 2010 Time: 10:30 am EDT, 8:30 am MDT, 8:00 pm India, 04:30 pm CET, 03:30 pm UK Click here to register for this sessionProduct Family: EBS Diagnostics Summary This 1.5 hour session is recommended for technical and functional users who are interested to get a generic overview about the EBS Diagnostics and the specific Diagnostic about "Leading Trailing spaces" to identify the root cause of FRM-40654 errors in any functional Form. Topics will include: Introduction to Diagnostics Catalog Host Note Diagnostics - Trailing and Leading Spaces Demonstration A short, live demonstration (only if applicable) and question and answer period will be included....... ....... ....... ....... ....... ....... .......The above webcast is a service of the E-Business Suite Communities in My Oracle Support.For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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• Have SSIS' differing type systems ever caused you problems?

  - by jamiet

  One thing that has always infuriated me about SSIS is the fact that every package has three different type systems; to give you an idea of what I am talking about consider the following: The SSIS dataflow's type system is made up of types called DT_*  (e.g. DT_STR, DT_I4) The SSIS variable type system is based on .Net datatypes (e.g. String, Int32) The types available for Execute SQL Task's parameters are based on something else - I don't exactly know what (e.g. VARCHAR, LONG) Speaking euphemistically ... this is not an optimum situation (were I not speaking euphemistically I would be a lot ruder) and hence I have submitted a suggestion to Connect at [SSIS] Consolidate three type systems into one requesting that it be remedied. This accompanying blog post is not however a request for votes (though that would be nice); the reason is actually subtler than that. Let me explain. I have been submitting bugs and suggestions pertaining to SSIS for years and have, so far, submitted over 200 Connect items. If that experience has taught me anything it is this - Connect items are not generally actioned because they are considered "nice to have". No, SSIS Connect items get actioned because they cause customers grief and if I am perfectly honest I must admit that, other than being a bit gnarly, SSIS' three type system architecture has never knowingly caused me any significant problems. The reason for this blog post is to ask if any reader out there has ever encountered any problems on account of SSIS' three type systems or have you, like me, never found them to be a problem? Errors or performance degredation caused by implicit type conversions would, I believe, present a strong case for getting this situation remedied in a future version of SSIS so if you HAVE encountered such problems I would encourage you to leave a comment on the Connect submission accordingly. Let me know in the comments too - I would be interested to hear others' opinions on this. @Jamiet

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• www.foobar.com works but foobar.com results in a 'Server not found' error

  - by Homunculus Reticulli

  I have just setup a minimal (hopefully secure? - comments welcome) apache website using the following configuration file: <VirtualHost *:80> ServerName foobar.com ServerAlias www.foobar.com ServerAdmin [email protected] DocumentRoot /path/to/websites/foobar/web DirectoryIndex index.php # CustomLog with format nickname LogFormat "%h %l %u %t \"%r\" %>s %b" common CustomLog "|/usr/bin/cronolog /var/log/apache2/%Y%m.foobar.access.log" common LogLevel notice ErrorLog "|/usr/bin/cronolog /var/log/apache2/%Y%m.foobar.errors.log" <Directory /> AllowOverride None Order Deny,Allow Deny from all </Directory> <Directory /path/to/websites/> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> </VirtualHost> I am able to access the website by using www.foobar.com, however when I type foobar.com, I get the error 'Server not found' - why is this? My second question concerns the security implications of the directive: <Directory /path/to/websites/> Options -Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> in the configuration above. What exactly is it doing, and is it necessary?. From my (admitedly limited) understanding of Apache configuration files, this means that anyone will be able to access (write to?) the /path/to/websites/ folder. Is my understanding correct? - and if yes, how is this not a security risk?

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• Why i can not load a simple pixel shader effect (. fx) file in xna?

  - by Mehdi Bugnard

  I just want to load a simple *.fx file into my project to make a (pixel shader) effect. But whenever I try to compile my project, I get the following error in visual studio Error List: Errors compiling .. ID3DXEffectCompiler: There were no techniques ID3DXEffectCompiler: Compilation failed I already searched on google and found many people with the same problem. And I realized that it was a problem of encoding. With the return lines unrecognized '\ n' . I tried to copy and paste to notepad and save as with ASCII or UTF8 encoding. But the result is always the same. Do you have an idea please ? Thanks a looot :-) Here is my [.fx] file : sampler BaseTexture : register(s0); sampler MaskTexture : register(s1) { addressU = Clamp; addressV = Clamp; }; //All of these variables are pixel values //Feel free to replace with float2 variables float MaskLocationX; float MaskLocationY; float MaskWidth; float MaskHeight; float BaseTextureLocationX; //This is where your texture is to be drawn float BaseTextureLocationY; //texCoord is different, it is the current pixel float BaseTextureWidth; float BaseTextureHeight; float4 main(float2 texCoord : TEXCOORD0) : COLOR0 { //We need to calculate where in terms of percentage to sample from the MaskTexture float maskPixelX = texCoord.x * BaseTextureWidth + BaseTextureLocationX; float maskPixelY = texCoord.y * BaseTextureHeight + BaseTextureLocationY; float2 maskCoord = float2((maskPixelX - MaskLocationX) / MaskWidth, (maskPixelY - MaskLocationY) / MaskHeight); float4 bitMask = tex2D(MaskTexture, maskCoord); float4 tex = tex2D(BaseTexture, texCoord); //It is a good idea to avoid conditional statements in a pixel shader if you can use math instead. return tex * (bitMask.a); //Alternate calculation to invert the mask, you could make this a parameter too if you wanted //return tex * (1.0 - bitMask.a); }

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• Problem after mysql-server installation I cant install any thing in ubuntu 12.04.1 now

  - by mohammed ezzi

  I'm not an advanced user of Linux and I tried to install work with database so I installed Mysql-server, I think I did same thing wrong so I get in trouble and now I cant install any thing and this what I get when I use apt-get -f install : root@me:~# apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: mysql-server mysql-server-5.5 Suggested packages: tinyca mailx The following packages will be upgraded: mysql-server mysql-server-5.5 2 upgraded, 0 newly installed, 0 to remove and 194 not upgraded. 2 not fully installed or removed. Need to get 0 B/8,737 kB of archives. After this operation, 15.4 kB of additional disk space will be used. Do you want to continue [Y/n]? y dpkg: dependency problems prevent configuration of mysql-server-5.5: mysql-server-5.5 depends on mysql-server-core-5.5 (= 5.5.24-0ubuntu0.12.04.1); however: Version of mysql-server-core-5.5 on system is 5.5.28-0ubuntu0.12.04.3. dpkg: error processing mysql-server-5.5 (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: mysql-server-5.5 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) I tried to remove mysql-server but nothing happened.

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• unable to format usb 1204 [daemon inhibited ]

  - by santosamaru

  i try to format my usb 1st time its work all data gone but i can't save any file at this usb . then i try to check is it working or broken here the report santos@santos:~$ sudo badblocks -v /dev/sdb [sudo] password for santos: Sorry, try again. [sudo] password for santos: Checking blocks 0 to 7824383 Checking for bad blocks (read-only test): 0.00% done, 0:00 elapsed. (0/0/0 errdone Pass completed, 0 bad blocks found. (0/0/0 errors) santos@santos:~$ sudo badblocks -v -w /dev/sdb [sudo] password for santos: Sorry, try again. [sudo] password for santos: /dev/sdb is apparently in use by the system; it's not safe to run badblocks! santos@santos:~$ how to format and fix this issues? i have read this link Formatting Pen Drive causes 'Daemon Is Inhibited' Error and it said like this when i try to move any items from desktop " the destination is read only also in this case i use google and find this http://ubuntuforums.org/showthread.php?t=1955353 article as same its not helped following user13509 suggestion ..

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• Proper way to remove an active / inactive LVM snapshot

  - by user2622247

  I have created a sample ruby script file for removing extra LVM snapshots from the system. For removing LVM snapshot, we are using lvremove command. This command is working fine and we can remove snapshots from the system. # sudo lvremove /dev/ops/dbbackup lvremove -- do you really want to remove "/dev/ops/dbbackup"? [y/n]: y Sometimes while removing snapshots we are getting following errors. Unable to deactivate open rootfs_12.10_20140812_00-cow (252:8) Failed to resume rootfs_12.10_20140812_00. libdevmapper exiting with 7 device(s) still suspended. The system gets frozen. We cannot fire any command or can not perform any action on it. After restarting the system, it is functioning fine. We can perform all the operations even we can delete that snapshot also. I searched about it I found these threads https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=659762 and https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674682 Solution from this thread is after getting the error but I have to avoid this type of error. I have a question, Is there any better way removing LVM snapshots? So that we can avoid this type of error. If anyone needs more info feel free to ask me.

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• Could Not Load Type Microsoft.Build.Framework.BuildEventContext

  Setting up a TeamCity build and got this error: C:\Program Files\MSBuild\Microsoft\VisualStudio\v9.0\TeamData\Microsoft.Data.Schema.SqlTasks.targets(80, 5): error MSB4018: The "SqlSetupDeployTask" task failed unexpectedly. System.TypeLoadException: Could not load type 'Microsoft.Build.Framework.BuildEventContext' from assembly 'Microsoft.Build.Framework, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. at Microsoft.Build.BuildEngine.TaskExecutionModule.SetBatchRequestSize() at Microsoft.Build.BuildEngine.TaskExecutionModule..ctor(EngineCallback engineCallback, TaskExecutionModuleMode moduleMode, Boolean profileExecution) at Microsoft.Build.BuildEngine.NodeManager..ctor(Int32 cpuCount, Boolean childMode, Engine parentEngine) at Microsoft.Build.BuildEngine.Engine..ctor(Int32 numberOfCpus, Boolean isChildNode, Int32 parentNodeId, String localNodeProviderParameters, BuildPropertyGroup globalProperties, ToolsetDefinitionLocations locations) at Microsoft.Build.BuildEngine.Engine.get_GlobalEngine() at Microsoft.Data.Schema.Build.DeploymentProjectBuilder.CreateDeploymentProject() at Microsoft.Data.Schema.Tasks.DBSetupDeployTask.BuildDeploymentProject(ErrorManager errors, ExtensionManager em) at Microsoft.Data.Schema.Tasks.DBSetupDeployTask.Execute() at Microsoft.Build.BuildEngine.TaskEngine.ExecuteTask(ExecutionMode howToExecuteTask, Hashtable projectItemsAvailableToTask, BuildPropertyGroup projectPropertiesAvailableToTask, Boolean& taskClassWasFound)   The usual searching didnt bring back anything useful, but I figured out that Id missed a dropdownlist in the TeamCity project setup: Originally I was using Microsoft .NET Framework 2.0 for my MSBuild task.  Changing it to 3.5 (as shown above) got me past this error (and on to the next one). Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Does JAXP natively parse HTML?

  - by ikmac

  So, I whip up a quick test case in Java 7 to grab a couple of elements from random URIs, and see if the built-in parsing stuff will do what I need. Here's the basic setup (with exception handling etc omitted): DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance(); DocumentBuilder dbuild = dbfac.newDocumentBuilder(); Document doc = dbuild.parse("uri-goes-here"); With no error handler installed, the parse method throws exceptions on fatal parse errors. When getting the standard Apache 2.2 directory index page from a local server: a SAXParseException with the message White spaces are required between publicId and systemId. The doctype looks ok to me, whitespace and all. When getting a page off a Drupal 7 generated site, it never finishes. The parse method seems to hang. No exceptions thrown, never returns. When getting http://www.oracle.com, a SAXParseException with the message The element type "meta" must be terminated by the matching end-tag "</meta>". So it would appear that the default setup I've used here doesn't handle HTML, only strictly written XML. My question is: can JAXP be used out-of-the-box from openJDK 7 to parse HTML from the wild (without insane gesticulations), or am I better off looking for an HTML 5 parser? PS this is for something I may not open-source, so licensing is also an issue :(

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• How do I setup sendmail, postfix, or dovecot so that perl can send emails?

  - by M. Tibbits

  Direct Question: I want to enable Perl to send emails. What package(s) should I install to setup a simplistic email server: no need for incoming, only outgoing. I can forward through gmail's SMTP if that's best? Background: I am programmer with a nightly build script written in Perl. I would like to email myself the results of my nightly builds (especially if there's an error). I've read about the perl package Mail::Sendmail briefly, but if something else is more appropriate, please tell me!! I tried the simple aptget install sendmail, but that doesn't seem to work. I get the following errors: Server said: 421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory message transmission error (421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory ) Server said: 421 4.3.0 collect: Cannot write ./dfp1PFXl7W020719 (bfcommit, uid=0, gid=120): No such file or directory I've googled this problem a bit and tried a few things -- adding my username to /etc/mail/trusted-users and such, but to no avail. In other words, I would be most grateful if you could provide simple instructions for setting up an outgoing mail server. I really don't understand the specifics, but as I understand, I need to forward the mail through an existing SMTP server -- so I can use my gmail account if need be (that's where I want to send the logs anyway). Any suggestions would be most greatly appreciated.

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• sudo apt-get update does not work for 12.10

  - by Brian Hawi

  hey i recently installed ubuntu 12.10 but the software center does not work i tried the sudo apt-get update because that worked when i was using ubuntu 11.04.... these are the errors hawi@hawi-HP-G62-Notebook-PC:~$ sudo apt-get update [sudo] password for hawi: Err http:ke.archive.ubuntu.com quantal InRelease Err http:ke.archive.ubuntu.com quantal-updates InRelease Err http:ke.archive.ubuntu.com quantal-backports InRelease Err http:ke.archive.ubuntu.com quantal Release.gpg Unable to connect to ke.archive.ubuntu.com:http: Err http:ke.archive.ubuntu.com quantal-updates Release.gpg Unable to connect to ke.archive.ubuntu.com:http: Err http:ke.archive.ubuntu.com quantal-backports Release.gpg Unable to connect to ke.archive.ubuntu.com:http: Err http:security.ubuntu.com quantal-security InRelease Err http:security.ubuntu.com quantal-security Release.gpg Unable to connect to security.ubuntu.com:http: [IP: 91.189.92.190 80] Err http:extras.ubuntu.com quantal InRelease Err http:extras.ubuntu.com quantal Release.gpg Unable to connect to extras.ubuntu.com:http: Reading package lists... Done W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal/InRelease W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal-updates/InRelease W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal-backports/InRelease W: Failed to fetch http:security.ubuntu.com/ubuntu/dists/quantal-security/InRelease W: Failed to fetch http:extras.ubuntu.com/ubuntu/dists/quantal/InRelease W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal/Release.gpg Unable to connect to ke.archive.ubuntu.com:http: W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal-updates/Release.gpg Unable to connect to ke.archive.ubuntu.com:http: W: Failed to fetch http:ke.archive.ubuntu.com/ubuntu/dists/quantal-backports/Release.gpg Unable to connect to ke.archive.ubuntu.com:http: W: Failed to fetch http:security.ubuntu.com/ubuntu/dists/quantal-security/Release.gpg Unable to connect to security.ubuntu.com:http: [IP: 91.189.92.190 80] W: Failed to fetch http:extras.ubuntu.com/ubuntu/dists/quantal/Release.gpg Unable to connect to extras.ubuntu.com:http: W: Some index files failed to download. They have been ignored, or old ones used instead. (note i have removed the // after http because the site does not allow me to post more than two links) what could be the issue?

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• How do I get a Canon MG, MP and MX series USB printer working?

  - by Old-linux-fan

  Printer MP6150 driver installed itself upon plugging in the printer. Printer is recognized (lsusb shows it) but does not mount. If the printer is recognized, the driver must be working (or?), but something is blocking the system from mounting the printer. Tried the usual things: power of printer, restart Ubuntu etc. Listed below result of lsusb and fstab: hans@kontor-linux:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 004: ID 04a9:174a Canon, Inc. Bus 002 Device 002: ID 1058:1001 Western Digital Technologies, Inc. External Hard Disk [Elements] Bus 004 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser hans@kontor-linux:~$ sudo cat /etc/fstab [sudo] password for hans: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sda6 during installation UUID=eaf3b38d-1c81-4de9-98d4-3834d674ff6e / ext4 errors=remount-ro 0 1 # swap was on /dev/sda5 during installation UUID=93a667d3-6132-45b5-ad51-1f8a46c5b437 none swap sw 0 0 Here is what I have tried: Tried the HK link again, but no luck so far. However, I connected the printer wirelessly to router on other xp box. Installing the driver from ppa:michael-gruz/canon doesn't work, but the driver is installed

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• Webmaster tools, Duplicate Meta Descriptions, and Short Meta Descriptions [closed]

  - by Watsy91

  Possible Duplicate: Do meta keywords have any impact on ranking algorithms? I am fairly new to the whole Webmaster Tools concept. I have been looking at all the different options, such as crawl errors, HTML improvements etc... I have been looking at the Duplicate Meta Descriptions and Short Meta Descriptions, was wondering if anyone could suggest ideas on how to go about improving this. It seems that all the Duplicates are from the URL Title and the short description. It would seem to me that most people would have information regarding the page with the same keywords as their titles. Heres an example of one: These are the ultimate hampers in taste, quality and value. Amongst this range of luxury hampers ar /food-hampers/food-hampers-over-100.html /thank-you-gifts/large-gifts-over-100.html To get to the point I just want to know do these things really matter? Would they have a real consequence on my sites rankings? My sites have been falling down the rankings since early this year and I have really started to look at Google Analytics and Webmaster tools to try and indicate certain problems. I have researched the Internet and it seems that some people don't bother and others do!! I know that Stackoverflow has 100s+ people who have went through the above and I would really appricate if they could give me some tips etc. Or in the END does it really matter?? :D

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• USB Mouse and Keyboard not working in Linux 4 Tegra

  - by Sijo

  I am a new person in Tegra Linux development. I have Tamontem NG Evaluation board with Tegra 3 Chip. I installed L4T sample file system from NVIDIA tegra Resources (https://developer.nvidia.com/linux-tegra) and installed the file system as described in the documentation provided in NVIDIA site. Already these was an SD card with L4T running. i dont want to change the boot loader. So I copied the boot.scr.uimg to root (/) folder and uImage to boot(/boot/) and it starts booting from the existing SD card. After that while booting, some errors occurred in some Bluetooth devices (there is no bluetooth device in the board). So I disabled Bluetooth by giving the following command sudo mv /etc/init/bluetooth.conf /etc/init/bluetooth.conf.noexec Now the problem is that mouse and keyboard are not working. So i cannot login. Even though i installed desktop, the mouse and keyboard are not working. But mouse and keyboard are enumerating. lsusb command is showing the USB mouse and keyboard. The installed file system is Ubuntu 13.04. Linux Kernel version is 3.1 What to do. Please help.Thanks in Advance.

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• FIX: Visual Studio Post Build Event Returns &ndash;1 when it should not.

  - by ChrisD

  I had written a Console Application that I run as part of my post build for other projects..  The Console application logs a series of messages to the console as it executes.  I use the Environment.ExitCode value to specify an error or success condition.  When the application executes without issue, the ExitCode is 0, when there is a problem its –1. As part of my logging, I log the value of the exit code right before the application terminates.  When I run this executable from the command line, it behaves as it should; error scenarios return –1 and success scenarios return 0.   When I run the same command line as part of the post-build event, Visual Studio reports the exit code as –1, even when the application reports the exit code as 0.   A snippet of the build output follows: Verbose: Exiting with ExitCode=0 C:\Windows\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(3397,13): error MSB3073: The command ""MGC.exe" "-TargetPath=C:\TFS\Solutions\Research\Source\Framework\Services\Identity\STS\_STSBuilder\bin\Debug\_STSBuilder.dll" C:\Windows\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(3397,13): error MSB3073:  C:\Windows\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(3397,13): error MSB3073: " exited with code -1. The Application returns a 0 exit code.  But visual studio is reporting an error.  Why? The answer is in the way I format my log messages.  Apparently Visual Studio watches the messages that get streamed to the the output console.  If those messages match a pattern used by visual studio to communicate errors, Visual Studio assumes an error has occurred in the executable and returns a –1.  This post details the formats used by Visual Studio to determine error conditions. In my case, the presence of the colon was tripping up Visual studio.  I Replaced all occurrences of colon with an equal sign and Visual Studio once again respected the exit code of the application. Verbose= Exiting with ExitCode=0 ========== Build: 3 succeeded or up-to-date, 0 failed, 0 skipped ==========

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• hdmi AC-3 audio broke after upgrading from 11.10 to 12.04.3

  - by Jim LastName

  I just updated my MythBuntu 11.10 to 12.04.3. Now, when I try to play 5.1 content (ripped DVD), my TV (and receiver) plays a "chattering" sound. I check my receiver and the digital dolby light isn't on--it's in PCM mode. So, either the audio is getting sent as AC-3, but the TV and receiver think it's PCM or the AC-3 audio got converted to multichannel PCM and they can't handle it. My setup: hdmi cable from htpc to TV. TV has an s/pdif output to my receiver. I know TV sends AC-3 audio out correctly because I see digital dolby light come on when I view a digital TV channel and PCM come on when I view an old analog channel. I can connect s/pdif from my htpc to my receiver and the digital dolby light comes on and it can decode the audio just fine. It's just not sending it right over hdmi. Now for some hints to the issue: I noticed in MythTV audio setup when I select alsa:hdmi.... the description only lists 2 channel PCM audio capability. speaker-test -Dhdmi:PCH -c6 errors about a bad channel count (only -c2 works). Finally, I tried vlc and it does the same chattering sound. These all make me think this isn't a MythTV issue, it's something lower than that. I think the best way to troubleshoot this is to start at the drivers and check each layer, one at a time all the way to alsa. I just don't know what the layers are and how to do it. So, I need to find some audio troubleshooting guide to assist me. Or, if one doesn't exist, I'd appreciate some steps. Thanks much, Jim

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• Writing a "Hello World" Device Driver for kernel 2.6 using Eclipse

  - by Isaac

  Goal I am trying to write a simple device driver on Ubuntu. I want to do this using Eclipse (or a better IDE that is suitable for driver programming). Here is the code: #include <linux/module.h> static int __init hello_world( void ) { printk( "hello world!\n" ); return 0; } static void __exit goodbye_world( void ) { printk( "goodbye world!\n" ); } module_init( hello_world ); module_exit( goodbye_world ); My effort After some research, I decided to use Eclipse CTD for developing the driver (while I am still not sure if it supports multi-threading debugging tools). So I: Installed Ubuntu 11.04 desktop x86 on a VMWare virtual machine, Installed eclipse-cdt and linux-headers-2.6.38-8 using Synaptic Package Manager, Created a C Project named TestDriver1 and copy-pasted above code to it, Changed the default build command, make, to the following customized build command: make -C /lib/modules/2.6.38-8-generic/build M=/home/isaac/workspace/TestDriver1 The problem I get an error when I try to build this project using eclipse. Here is the log for the build: **** Build of configuration Debug for project TestDriver1 **** make -C /lib/modules/2.6.38-8-generic/build M=/home/isaac/workspace/TestDriver1 all make: Entering directory '/usr/src/linux-headers-2.6.38-8-generic' make: *** No rule to make target vmlinux', needed byall'. Stop. make: Leaving directory '/usr/src/linux-headers-2.6.38-8-generic' Interestingly, I get no error when I use shell instead of eclipse to build this project. To use shell, I just create a Makefile containing obj-m += TestDriver1.o and use the above make command to build. So, something must be wrong with the eclipse Makefile. Maybe it is looking for the vmlinux architecture (?) or something while current architecture is x86. Maybe it's because of VMWare? As I understood, eclipse creates the makefiles automatically and modifying it manually would cause errors in the future OR make managing makefile difficult. So, how can I compile this project on eclipse?

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• Debuild fails to make package for bluelog-1.04

  - by Dean Howell

  When trying to build a package for bluelog, Debuild give several errors. In the past, I've used checkinstall to quickly build crude packages. I am now trying to do it the right way and upload to a PPA. Bluelog can be found here: http://www.digifail.com/software/bluelog.shtml Here is the output from debuild; dpkg-buildpackage -rfakeroot -D -us -uc dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor): -D_FORTIFY_SOURCE=2 dpkg-buildpackage: export CXXFLAGS from dpkg-buildflags (origin: vendor): -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security dpkg-buildpackage: export FFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export LDFLAGS from dpkg-buildflags (origin: vendor): -Wl,-Bsymbolic-functions -Wl,-z,relro dpkg-buildpackage: source package bluelog dpkg-buildpackage: source version 1.0.4-0ubuntu1 dpkg-buildpackage: source changed by Dean Howell <dean@unknown> dpkg-source --before-build bluelog dpkg-buildpackage: host architecture amd64 fakeroot debian/rules clean dh clean dh_testdir dh_auto_clean make[1]: Entering directory `/home/dean/Launchpad Builds/bluelog/bluelog' rm -rf bluelog www/cgi-bin/* *.o *.txt *.log *.gz *.cgi make[1]: Leaving directory `/home/dean/Launchpad Builds/bluelog/bluelog' dh_clean dpkg-source -b bluelog dpkg-source: warning: Version number suggests Ubuntu changes, but Maintainer: does not have Ubuntu address dpkg-source: warning: Version number suggests Ubuntu changes, but there is no XSBC-Original-Maintainer field dpkg-source: info: using source format `3.0 (quilt)' dpkg-source: info: building bluelog using existing ./bluelog_1.0.4.orig.tar.gz dpkg-source: error: cannot represent change to bluelog/Builds/bluelog/bluelog/debian/bluelog/usr/bin/bluelog: binary file contents changed dpkg-source: error: add Builds/bluelog/bluelog/debian/bluelog/usr/bin/bluelog in debian/source/include-binaries if you want to store the modified binary in the debian tarball dpkg-source: error: unrepresentable changes to source dpkg-buildpackage: error: dpkg-source -b bluelog gave error exit status 2

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• How to resolve - dpkg error : old pre-removal script returned error exit status 102

  - by Siva Prasad Varma

  I am unable to install or remove a package on my Ubuntu 10.04 due to the following error. $ sudo apt-get autoremove Password: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: busybox 0 upgraded, 0 newly installed, 1 to remove and 9 not upgraded. 1 not fully installed or removed. Need to get 0B/212kB of archives. After this operation, 627kB disk space will be freed. Do you want to continue [Y/n]? y Selecting previously deselected package nscd. (Reading database ... 235651 files and directories currently installed.) Preparing to replace nscd 2.11.1-0ubuntu7.8 (using .../nscd_2.11.1-0ubuntu7.8_amd64.deb) ... invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: warning: old pre-removal script returned error exit status 102 dpkg - trying script from the new package instead ... invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: error processing /var/cache/apt/archives/nscd_2.11.1-0ubuntu7.8_amd64.deb (--unpack): subprocess new pre-removal script returned error exit status 102 update-rc.d: warning: /etc/rc2.d/S76nscd is not a symbolic link invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 102 Errors were encountered while processing: /var/cache/apt/archives/nscd_2.11.1-0ubuntu7.8_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) What should I do to resolve this error? I have tried sudo dpkg --remove --force-remove-reinstreq nscd but it did not work.

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• What is the most time-effective way to monitor & manage threats from bots and/or humans?

  - by CheeseConQueso

  I'm usually overwhelmed by the amount of tools that hosting companies provide to track & quantify traffic data and statistics. I'm equally overwhelmed by the countless flavors of malicious 'attacks' that target any and every web site known to man. The security methods used to protect both the back and front end of a website are documented well and are straight-forward in terms of ease of implementation and application, but the army of autonomous bots knows no boundaries and will always find a niche of a website to infest. So what can be done to handle the inevitable swarm of bots that pound your domain with brute force? Whenever I look at error logs for my domains, there are always thousands of entries that look like bots trying to sneak sql code into the database by tricking the variables in the url into giving them schema information or private data within the database. My barbaric and time-consuming plan of defense is just to monitor visitor statistics for those obvious patterns of abuse and either ban the ips or range of ips accordingly. Aside from that, I don't know much else I could do to prevent all of the ping pong going on all day. Are there any good tools that automatically monitor this background activity (specifically activity that throws errors on the web & db server) and proactively deal with these source(s) of mayhem?

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• Problem with WCF-SQL Adapter

  - by Paul Petrov

  When using WCF receive adapter with SQL binding in Polling mode please be aware of the following problem. Problem: At some regular but seemingly random intervals the application stops processing new requests, places a lock on the database and prevent other application from accessing it. Initially it looked like DTC issue, as it was distributed transaction that stalled most of the time. Symptoms: Orchestration instances in Dehydrated state, receive location not picking up new messages, exclusive locks on database tables, errors in DTC trace. Cause: Microsoft has confirmed that there is a bug in the WCF-SQL adapter. In the receive adapter binding configuration there's receiveTimeout property set to 10 minutes by default. If during this period data is not found in the table the adapter would start new thread and allocate more memory without releasing old resources. Thus if there's no new data in the table for a long time a new thread will be created in the host instance every 10 minutes until it reaches threshold (1000) and then there's no threads left for this host instance and it can't start/complete any tasks. Then this host instance won't be able to do anything. If other artifacts are hosted in the instance they will suffer consequences as well. Solution: - Set receiveTimeout to the maximum time 24.20:31:23.6470000. - Place WCF-SQL receive locations in separate host to provide its own thread pool and eliminate impact on other processes - Ensure WCF-SQL dedicated host instances are restarted at interval less or equal to receiveTimeout to flush threads and memory - Monitor performance counters Process/Thread Count/BTSNTSvc{n} for thread count trend and respond to alert if it grows by restarting host instance If you use WCF-SQL Adapter in the Notification mode then make sure to remove sqlAdapterInboundTransactionBehavior otherwise this location will exhibit the same issue. In this case though, setting receiveTimeout doesn't help and new thread will be created at default intervals (10 min) ignoring maximum setting.

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• Oracle MDM at the MDM Summit in San Francisco

  - by David Butler

  Oracle is sponsoring the Product MDM track at this year’s MDM & Data Governance San Francisco Summit. Sachin Patel, Director of Product Strategy, Product Hub Applications, at Oracle will present the keynote: Product Master Data Management for Today’s Enterprise. Here’s the abstract: Today businesses struggle to boost operational efficiency and meet new product launch deadlines due to poor and cumbersome administrative processes. One of the primary reasons enterprises are unable to achieve cohesion is due to various domain silos and fragmented product data. This adversely affects business performance including, but not limited to, excess inventories, under-leveraged procurement spend, downstream invoicing or order errors and lost sales opportunities. In this session, you will learn the key elements and business processes that are required for you to master an enterprise product record. Additionally you will gain insights into how to improve the accuracy of your data and deliver reliable and consistent product information across your enterprise. This provides a high level of confidence that business managers can achieve their goals. In this session, you will understand how adopting a Master Data Management strategy for product information can help your enterprise change course towards a more profitable, competitive and successful business. Cisco Systems will join Sachin and cover their experiences, lessons learned and best practices. If you are in the Bay Area and interested in mastering your product data for the benefit of multiple applications, business processes and analytical systems, please join us at the Hyatt, Fisherman’s Wharf this Thursday, June 30th.

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• Installation taking a very long time, hangs at "Configuring bcmwl-kernel-source"

  - by user290522

  I am installing Ubuntu 14.04(32-bit) on my laptop (Compaq Presario V2000), and after about 7 hours, it is still in Configuring bcmwl-kernel-source (i386) mode. The messages I read are as follows: ubuntu kernel: [22814.858163] ACPI: \_SB_.PCI0.LPC0.LPC0.ACAD: ACPI_NOTIFY_BUS_CHECK event: unsupported with the numbers in the square brackets increasing. I have had Windows XP professional on this laptop, and I am erasing it. I am not sure if I should turn off the laptop, and start all over again. About 4 years ago I installed Ubuntu on this laptop, and that was very fast. The only problem I encountered was my wireless, and could not make it to work, and switched back to Windows. I appreciate any comments regarding this installation taking such a long time. After 40 hours the installation was still in configuring mode with the following messages: ubuntu CRON[29329]: (root) CMD ( cd/ && run-part .. report /etc/cron-hourly) I did the following to check for errors: pressed ctrl-alt-f2. This time the system froze. I had no other choice but to turn off the laptop, and start all over again. The exact model of the laptop is "Compaq Presario V2069CL Notebook PC" with AMD processor.

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• How to install Citrix receiver xubuntu 13.04 64-bit

  - by Bård S

  Anyone have a walkthrough on installing Citrix receiver on Xubuntu 13.04 64-bit? Update $ sudo apt-get install libmotif4 nspluginwrapper ... snip ... Setting up libmotif4:amd64 (2.3.3-7ubuntu1) ... Setting up nspluginviewer (1.4.4-0ubuntu5) ... Setting up nspluginwrapper (1.4.4-0ubuntu5) ... plugin dirs: nspluginwrapper: no appropriate viewer found for /usr/lib/flashplugin-installer/libflashplayer.so Auto-update plugins from /usr/lib/mozilla/plugins Looking for plugins in /usr/lib/mozilla/plugins Segmentation fault (core dumped) Processing triggers for libc-bin ... ldconfig deferred processing now taking place sudo dpkg --install Downloads/icaclient_12.1.0_amd64.deb Selecting previously unselected package icaclient. (Reading database ... 155808 files and directories currently installed.) Unpacking icaclient (from .../icaclient_12.1.0_amd64.deb) ... dpkg: dependency problems prevent configuration of icaclient: icaclient depends on libc6-i386 (>= 2.7-1); however: Package libc6-i386 is not installed. icaclient depends on ia32-libs; however: Package ia32-libs is not installed. icaclient depends on lib32z1; however: Package lib32z1 is not installed. icaclient depends on lib32asound2; however: Package lib32asound2 is not installed. dpkg: error processing icaclient (--install): dependency problems - leaving unconfigured Errors were encountered while processing: icaclient

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• Cannot uninstall myspell-he

  - by Yuval Rabinovich

  I tried to install a Hebrew spell checker for LibreOffice. I downloaded a package named myspell-he_1.1-1_all.deb and tried to install it through the software center, installation failed and I can neither complete installation nor remove it. Since then, whenever I run Update Manager I get an error message: The package system is broken, In details: The following packages have unmet dependencies: dictionaries-common: When I try to run the Software center I get a pop-up window: Items cannot be installed or removed until the package catalog is repaired. A Repair option is suggested. If I click it the following nessage appears: installArchives() failed: dpkg: dependency problems prevent configuration of myspell-he: dictionaries-common (1.12.1ubuntu2) breaks myspell-he (<= 1.1-1) and is installed. Version of myspell-he to be configured is 1.1-1. dpkg: error processing myspell-he (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: myspell-he Error in function: dpkg: dependency problems prevent configuration of myspell-he: dictionaries-common (1.12.1ubuntu2) breaks myspell-he (<= 1.1-1) and is installed. Version of myspell-he to be configured is 1.1-1. dpkg: error processing myspell-he (--configure): dependency problems - leaving unconfigured How can I clear this mess?

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