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• 503 service unavailable when debugging PHP script in Zend Studio

  - by user25932

  I have a web server with apache 2.0 installed. It comes with Zend Server install pack. When I’m trying to debug my php files apache serves a blank page with 503 service unavailable. Of course slow server-side code is tying up Apache requests for far too long, but I need it to wait, until my debugging comes to end. When I call to the page from a browser it launches ZendStudio debugging my PHP script (request redirects Zend Debugger module). I debug through my script and if I finish debugging in 120 seconds, I normally return to the browser. When it takes more than 120 seconds the browser displays '503 service unavailable' and I can't return to page output. I have even forced 'max_execution_time = 300' 'max_input_time = 600' in php.ini and 'TimeOut = 500' in httpd.conf. No matter whether it is Opera, IE or Firefox. I spent two days googling it, no right answer until now.

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• New features for Expression Blend 4 Release Candidate

  - by kaleidoscope

  With Microsoft Expression Blend 4, you can create websites and applications based on Microsoft Silverlight 3 and Microsoft Silverlight 4, and desktop applications based on Windows Presentation Foundation (WPF) 3.5 with Service Pack 1 (SP1) and WPF4. Expression Blend provides new support for prototyping, interactivity through behaviors, special Silverlight functionality, and on-the-fly sample data generation. Expression Blend includes new behaviors that are quickly and easily configured Expression Blend offers new sample data, behaviors, and features of project templates to support the Model-View-ViewModel (MVVM) pattern The MVVM pattern is a way to structure a Silverlight or WPF application so that user interface (UI) objects are as decoupled as possible from the application's data and behavior. This makes it easier for design tasks and development tasks to be performed independently and without breaking each other. Essentially, your UI is the View. You bind objects in the View to properties and commands of the ViewModel, and the View can also call methods on the ViewModel. Compatible with Silverlight 3 and WPF 3.5 with Service Pack 1 (SP1) Interoperate able with Visual Studio. Included New Shapes: The Assets panel in Expression Blend contains a new Shapes category, including presets for the easy creation of arcs, arrows, callouts, and polygons. New Controls: Expression Blend has tooling support for the RichTextBox control in Silverlight. XAML cleanliness :Expression Blend generates less XAML with respect to animations and animation-related properties. MVVM project template: Expression Blend includes a new project template that offers a basic starting point for Model-View-ViewModel pattern applications. Run project with CTRL+F5:To improve consistency with Visual Studio, you can now invoke the Run Project command by pressing either CTRL+F5 or F5 Technorati Tags: Rituraj,Features of Expression Blend4 RC

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• What does "Endcode #816" stand for in Canon iR-ADV C5035 printer logs?

  - by Odin Kroeger

  We are using the Canon iR-ADV C5035. Today a worker has reported that some Word documents cannot be printed via that device (others do). I could confirm that and found that the Canon iR-ADV C5035 logs showed an "Endcode" "#816" for every print job that was not printed (whereas other print jobs show an "Encode" "OK"). Unfortunately, neither the manual that came with the Canon copy machine nor the web seems to know what this "Endcode" means. Canon support has been informed, but I'm still waiting for them to call me back. Does anyone know how I could find out what this "Endcode" stands for? Or, preferably, where I can look up the meaning of such Canon "Endcodes" in the future? Thanks in advance for any hints.

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• Software: Launching League of Legends spectator mode from Command Line (Mac)

  - by Alex Popov

  Background: tl;dr at the end League of Legends has a spectator mode, in which you can watch someone else's game (essentially a replay) with a 3 minute delay. Popular LoL website OP.GG has figured out a clever way of hosting these spectator games on their own servers, thereby making them replayable, as opposed to only being available while the game is on (as Riot does it). If you request a replay from OP.GG, it sends a batch file which looks for where the League is situated and then the magic happens: @start "" "League of Legends.exe" "8394" "LoLLauncher.exe" "" "spectator fspectate.op.gg:4081 tjJbtRLQ/HMV7HuAxWV0XsXoRB4OmFBr 1391881421 NA1" This works fine on Windows. I'm trying to get it to work on Mac (which has an official client). First I tried running the same command by hand, (split for convenience) /Applications/ ... /LeagueOfLegends.app/ ... /LeagueofLegends 8393 LoLLauncher \ /Applications/ ... /LolClient spectator fspectate.op.gg:4081 tjJbtRLQ/HMV7HuAxWV0XsXoRB4OmFBr 1391881421 NA1 Running this, however, just starts the LoLLauncher, which closes all the active League processes. The exactly same thing happens if I just call /Applications/ ... /LeagueOfLegends.app/ ... /LeagueofLegends Next I tried seeing what actually happens when Spectator mode is initiated so I ran $ ps -axf | grep -i lol which showed UID PID PPID C STIME TTY TIME CMD 503 3085 1 0 Wed02pm ?? 0:00.00 (LolClient) 503 24607 1 0 9:19am ?? 0:00.98 /Applications/League of Legends.app/Contents/LOL/RADS/system/UserKernel.app/Contents/MacOS/UserKernel updateandrun lol_launcher LoLLauncher.app 503 24610 24607 0 9:19am ?? 1:08.76 /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_launcher/releases/0.0.0.122/deploy/LoLLauncher.app/Contents/MacOS/LoLLauncher 503 24611 24610 0 9:19am ?? 1:23.02 /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_air_client/releases/0.0.0.127/deploy/bin/LolClient -runtime .\ -nodebug META-INF\AIR\application.xml .\ -- 8393 503 24927 24610 0 9:44am ?? 0:03.37 /Applications/League of Legends.app/Contents/LoL/RADS/solutions/lol_game_client_sln/releases/0.0.0.117/deploy/LeagueOfLegends.app/Contents/MacOS/LeagueofLegends 8394 LoLLauncher /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_air_client/releases/0.0.0.127/deploy/bin/LolClient spectator 216.133.234.17:8088 Yn1oMX/n3LpXNebibzUa1i3Z+s2HV0ul 1400781241 NA1 Of Interest: there is (LolClient) which I cannot kill by it's PID. UserKernel updateandrun lol_launcher LoLLauncher.app is launched first. LoLLauncher is launched by the UserKernel (as we can see from the PPID) The very long command (PID: 24927) is how Spectator mode is launched, and is also launched by UserKernel. Spectator mode is launched in exactly the same way that the OP.GG .bat wanted to, with the only difference that Spectator mode connects to Riot instead of OP.GG's spectate server. I tried attaching GDB to the LolClient, but I couldn't get anything meaningful from it since it's an Adobe AIR application (and I've never used GDB with code other than mine own). Next I ran dtruss -a -b 100m -f -p $PID on everything I could think of: the LolClient, the LolLauncher and the UserKernel and skimmed the half a million lines produced. I found stuff like the GET request used to get the information of the game to spectate, but I could not see any launch of the equivalent of League of Legends.exe with spectator options. Finally, I ran lsof | grep -i lol to see if anything else was opened in the process, but didn't find anything that seemed appropriate. Open were UserKernel, LolLauncher, LolClient, Adobe AIR, LeagueofLegends and then Bugsplat, all of which are expected. None of this seemed especially relevant to figuring out how LeagueofLegends was opened into spectator mode. It obviously can be done, since Spectator mode is accessible from within the client. It seems likely that it can be done from the CLI, since Windows can do it and the clients are supposed to equals. Unless I'm missing something in the difference between how UNIX and Windows handle CLI application launches. My question is if there are any other things I can try to figure out how to launch Spectator mode myself. tl;dr: Trying to get into spectator mode from the CLI. It's possible on Windows (see first code block) but it just restarts League on Mac. What else can I try to find what call is made, and how to reproduce it? PS: Please let me know how I can improve this question or its formatting, I'd love to use StackOverflow/SuperUser, but as the guys said on the podcast this week (Ep. 59) it's very intimidating. Sorry for posting this on StackOverflow the first time :(

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• Should a sysadmin contractor charge overtime for off-peak hours?

  - by Jakobud

  This is not necessarily a server-related question, but more of a system admin question that I think would related to many on SF. I'm doing Sysadmin/IT consulting for a small company. I only work about 3 days a week for them on average. If a server goes down or something like that during off hours (nights, weekends, 3am, etc) and they need it fixed during those time periods, should I be charging overtime for that? I would I not be justified in charging overtime until I've logged 40 hours for the week? Perhaps calling it overtime isn't the best name. I guess maybe its better to call it an off-peak hourly rate. Anyways I just was curious what other consultants did in these circumstances.

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• Nginx and Tomcat 6 proxy pass

  - by Patrick Schneider

  i've got problems tp configure nginx as reverse proxy for an tomcat application. I want to set domain www.example.com/blog to pass to an tomcat application. nginx-site: server { listen 80; servername example.com; location /blog { proxy_pass http://localhost:8080/blog; proxy_redirect off; } } Now when i call on my browser http://example.com/blog it redirects to localhost/blog which does not work. curl http://localhost:8080/blog -H "host: example.com/blog" -v shows a 302 to localhost/blog Any ideas?

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• Raspberry Pi and Java SE: A Platform for the Masses

  - by Jim Connors

  One of the more exciting developments in the embedded systems world has been the announcement and availability of the Raspberry Pi, a very capable computer that is no bigger than a credit card.  At $35 US, initial demand for the device was so significant, that very long back orders quickly ensued. After months of patiently waiting, mine finally arrived.  Those initial growing pains appear to have been fixed, so availability now should be much more reasonable. At a very high level, here are some of the important specs: Broadcom BCM2835 System on a chip (SoC) ARM1176JZFS, with floating point, running at 700MHz Videocore 4 GPU capable of BluRay quality playback 256Mb RAM 2 USB ports and Ethernet Boots from SD card Linux distributions (e.g. Debian) available So what's taking place taking place with respect to the Java platform and Raspberry Pi? A Java SE Embedded binary suitable for the Raspberry Pi is available for download (Arm v6/7) here.  Note, this is based on the armel architecture, a variety of Arm designed to support floating point through a compatibility library that operates on more platforms, but can hamper performance.  In order to use this Java SE binary, select the available Debian distribution for your Raspberry Pi. The more recent Raspbian distribution is based on the armhf (hard float) architecture, which provides for more efficient hardware-based floating point operations.  However armhf is not binary compatible with armel.  As of the writing of this blog, Java SE Embedded binaries are not yet publicly available for the armhf-based Raspbian distro, but as mentioned in Henrik Stahl's blog, an armhf release is in the works. As demonstrated at the just-completed JavaOne 2012 San Francisco event, the graphics processing unit inside the Raspberry Pi is very capable indeed, and makes for an excellent candidate for JavaFX.  As such, plans also call for a Pi-optimized version of JavaFX in a future release too. A thriving community around the Raspberry Pi has developed at light speed, and as evidenced by the packed attendance at Pi-specific sessions at Java One 2012, the interest in Java for this platform is following suit. So stay tuned for more developments...

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• geomipmapping using displacement mapping (and glVertexAttribDivisor)

  - by Will

  I wake up with a clear vision, but sadly my laptop card doesn't do displacement mapping nor glVertexAttribDivisor so I can't test it out; I'm left sharing here: With geomipmapping, the grid at any factor is transposable - if you pass in an offset - say as a uniform - you can reuse the same vertex and index array again and again. If you also pass in the offset into the heightmap as a uniform, the vertex shader can do displacement mapping. If the displacement map is mipmapped, you get the advantages of trilinear filtering for distant maps. And, if the scenery is closer, rather than exposing that the you have a world made out of quads, you can use your transposable grid vertex array and indices to do vertex-shader interpolation (fancy splines) to do super-smooth infinite zoom? So I have some questions: does it work? In theory, in practice? does anyone do it? Does this technique have a name? Papers, demos, anything I can look at? does glVertexAttribDivisor mean that you can have a single glMultiDrawElementsEXT or similar approach to draw all your terrain tiles in one call rather than setting up the uniforms and emitting each tile? Would this offer any noticeable gains? does a heightmap that is GL_LUMINANCE take just one byte per pixel(=vertex)? (On mainstream cards, obviously. Does storage vary in practice?) Does going to the effort of reusing the same vertices and indices mean that you can basically fill the GPU RAM with heightmap and not a lot else, giving you either bigger landscapes or more detailed landscapes/meshes for the same bang? is mipmapping the displacement map going to work? On future cards? Is it going to introduce unsurmountable inaccuracies if it is enabled?

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• Code Behaviour via Unit Tests

  - by Dewald Galjaard

  Normal 0 false false false EN-ZA X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Some four months ago my car started acting up. Symptoms included a sputtering as my car’s computer switched between gears intermittently. Imagine building up speed, then when you reach 80km/h the car magically and mysteriously decide to switch back to third or even second gear. Clearly it was confused! I managed to track down a technician, an expert in his field to help me out. As he fitted his handheld computer to some hidden port under the dash, he started to explain “These cars are quite intelligent, you know. When they sense something is wrong they run in a restrictive program which probably account for how you managed to drive here in the first place...”  I was surprised and thought this was certainly going to be an interesting test drive. The car ran smoothly down the first couple of stretches as the technician ran through routine checks. Then he said “Ok, all looking good. We need to start testing aspects of the gearbox. Inside the gearbox there are a couple of sensors. One of them is a speed sensor which talks to the computer, which in turn will decide which gear to switch to. The restrictive program avoid these sensors altogether and allow the computer to obtain its input from other [non-affected] sources”. Then, as soon as he forced the speed sensor to come back online the symptoms and ill behaviour re-emerged... What an incredible analogy for getting into a discussion on unit testing software? Besides I should probably put my ill fortune to some good use, right? This example provide a lot of insight into how and why we should conduct unit tests when writing code. More importantly, it captures what is easily and unfortunately often the most overlooked goal of writing unit tests by those new to the art and those who oppose it alike - The goal of writing unit tests is to test the behaviour of our code under predefined conditions. Although it is very possible to test the intrinsic workings of each and every component in your code, writing several tests for each method in practise will soon prove to be an exhausting and ultimately fruitless exercise given the certain and ever changing nature of business requirements. Consequently it is true and quite possible whilst conducting proper unit tests, to call any single method several times as you examine and contemplate different scenarios. Let’s write some code to demonstrate what I mean. In my example I make use of the Moq framework and NUnit to create my tests. Truly you can use whatever you’re comfortable with. First we’ll create an ISpeedSensor interface. This is to represent the speed sensor located in the gearbox.  Then we’ll create a Gearbox class which we’ll pass to a constructor when we instantiate an object of type Computer. All three are described below.   ISpeedSensor.cs namespace AutomaticVehicle {     public interface ISpeedSensor     {         int ReportCurrentSpeed();     } }   Gearbox.cs namespace AutomaticVehicle {      public class Gearbox     {         private ISpeedSensor _speedSensor;           public Gearbox( ISpeedSensor gearboxSpeedSensor )         {             _speedSensor = gearboxSpeedSensor;         }         /// <summary>         /// This method obtain it's reading from the speed sensor.         /// </summary>         /// <returns></returns>         public int ReportCurrentSpeed()         {             return _speedSensor.ReportCurrentSpeed();         }     } } Computer.cs namespace AutomaticVehicle {     public class Computer     {         private Gearbox _gearbox;         public Computer( Gearbox gearbox )         {                     }          public int GetCurrentSpeed()         {             return _gearbox.ReportCurrentSpeed( );         }     } } Since this post is about Unit testing, that is exactly what we’ll create next. Create a second project in your solution. I called mine AutomaticVehicleTests and I immediately referenced the respective nunit, moq and AutomaticVehicle dll’s. We’re going to write a test to examine what happens inside the Computer class. ComputerTests.cs namespace AutomaticVehicleTests {     [TestFixture]     public class ComputerTests     {         [Test]         public void Computer_Gearbox_SpeedSensor_DoesThrow()         {             // Mock ISpeedSensor in gearbox             Mock< ISpeedSensor > speedSensor = new Mock< ISpeedSensor >( );             speedSensor.Setup( n => n.ReportCurrentSpeed() ).Throws<Exception>();             Gearbox gearbox = new Gearbox( speedSensor.Object );               // Create Computer instance to test it's behaviour  towards an exception in gearbox             Computer carComputer = new Computer( gearbox );             // For simplicity let’s assume for now the car only travels at 60 km/h.             Assert.AreEqual( 60, carComputer.GetCurrentSpeed( ) );          }     } }   What is happening in this test? We have created a mocked object using the ISpeedsensor interface which we've passed to our Gearbox object. Notice that I created the mocked object using an interface, not the implementation. I’ll talk more about this in future posts but in short I do this to accentuate the fact that I'm not not really concerned with how SpeedSensor work internally at this particular point in time. Next I’ve gone ahead and created a scenario where I’ve declared the speed sensor in Gearbox to be faulty by forcing it to throw an exception should we ask Gearbox to report on its current speed. Sneaky, sneaky. This test is a simulation of how things may behave in the real world. Inevitability things break, whether it’s caused by mechanical failure, some logical error on your part or a fellow developer which didn’t consult the documentation (or the lack thereof ) - whether you’re calling a speed sensor, making a call to a database, calling a web service or just trying to write a file to disk. It’s a scenario I’ve created and this test is about how the code within the Computer instance will behave towards any such error as I’ve depicted. Now, if you’ve followed closely in my final assert method you would have noticed I did something quite unexpected. I might be getting ahead of myself now but I’m testing to see if the value returned is equal to what I expect it to be under perfect conditions – I’m not testing to see if an error has been thrown! Why is that? Well, in short this is TDD. Test Driven Development is about first writing your test to define the result we want, then to go back and change the implementation within your class to obtain the desired output (I need to make sure I can drive back to the repair shop. Remember? ) So let’s go ahead and run our test as is. It’s fails miserably... Good! Let’s go back to our Computer class and make a small change to the GetCurrentSpeed method.   Computer.cs public int GetCurrentSpeed() {   try   {     return _gearbox.ReportCurrentSpeed( );   }   catch   {     RunRestrictiveProgram( );   } }     This is a simple solution, I know, but it does provide a way to allow for different behaviour. You’re more than welcome to provide an implementation for RunRestrictiveProgram should you feel the need to. It's not within the scope of this post or related to the point I'm trying to make. What is important is to notice how the focus has shifted in our approach from how things can break - to how things behave when broken.   Happy coding!

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• How to make VLC play a .vlm configuration file in "With no interface mode"?

  - by Ole Jak

  How to make VLC play a VLM configuration file (.vlm) in "With no interface mode" on Windows? So I have a VLM configuration file that should stream audio from mic to localhost so no VLC user interface is needed. If I say to Windows "play VLM file with VLC" it plays correctly, starts the server where I need and streams data. But how to do such a thing manually from the command line (so we suppose we can call vlc.exe by VLC and we are now in folder with the vlc.exe and vlcConfig.vlm files)?

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• Make own dial-up ISP using broadband connection [on hold]

  - by SkylarMT

  So, I see no reason why this wouldn't be possible. I have a Linux server (a Raspberry Pi to be exact) connected via Ethernet to a broadband ISP. I want to be able to dial a number, have it go through the normal telephone network, onto the Internet via a VoIP provider (I know you can call a Skype user from a landline), to my Raspberry Pi, and then have the Pi connect me to the Internet. I've found guides on making your own ISP, but they all involve a dedicated phone line on the server end. Is there a way to do this with no modem on the server end? I live in an area with a lot of people still on dialup, and if I pull this off I could make some extra money. Thanks!

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• An adequate message authentication code for REST

  - by Andras Zoltan

  My REST service currently uses SCRAM authentication to issue tokens for callers and users. We have the ability to revoke caller privileges and ban IPs, as well as impose quotas to any type of request. One thing that I haven't implemented, however, is MAC for requests. As I've thought about it more, for some requests I think this is needed, because otherwise tokens can be stolen and before we identify this and deactivate the associated caller account, some damage could be done to our user accounts. In many systems the MAC is generated from the body or query string of the request, however this is difficult to implement as I'm using the ASP.Net Web API and don't want to read the body twice. Equally importantly I want to keep it simple for callers to access the service. So what I'm thinking is to have a MAC calculated on: the url, possibly minus query string the verb the request ip (potentially is a barrier on some mobile devices though) utc date and time when the client issues the request. For the last one I would have the client send that string in a request header, of course - and I can use it to decide whether the request is 'fresh' enough. My thinking is that whilst this doesn't prevent message body tampering it does prevent using a model request to use as a template for different requests later on by a malicious third party. I believe only the most aggressive man in the middle attack would be able to subvert this, and I don't think our services offer any information or ability that is valuable enough to warrant that. The services will use SSL as well, for sensitive stuff. And if I do this, then I'll be using HMAC-SHA-256 and issuing private keys for HMAC appropriately. Does this sound enough? Have I missed anything? I don't think I'm a beginner when it comes to security, but when working on it I always. am shrouded in doubt, so I appreciate having this community to call upon!

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• Send one invalid email response to sender

  - by Kafuka

  I discovered that my postfix/dovecot configuration isn't rejecting emails. If a person sends an email to an invalid email-address, it just drops it. I am fine with this behavior since I think it discourages spammers from mining emails (I have had some success). Recently a person I did not want to talk to emailed an address I cut off and didn't receive a response back. It would have saved me some problems if they knew to call me instead of sending 50+ emails. How would I configure Dovecot/postfix to send a message back to a sender of an email address and then limit this 1 per domain or unique email. Debian Stable Linux 3.6.5-linode47 Dovecot 1.2.15 Postfix 2.7.1 PSQL - backend if that matters

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• Relationship between Repository and Unit of Work

  - by NullOrEmpty

  I am going to implement a repository, and I would like to use the UOW pattern since the consumer of the repository could do several operations, and I want to commit them at once. After read several articles about the matter, I still don't get how to relate this two elements, depending on the article it is being done in a way u other. Sometimes the UOW is something internal to the repository: public class Repository { UnitOfWork _uow; public Repository() { _uow = IoC.Get<UnitOfWork>(); } public void Save(Entity e) { _uow.Track(e); } public void SubmittChanges() { SaveInStorage(_uow.GetChanges()); } } And sometimes it is external: public class Repository { public void Save(Entity e, UnitOfWork uow) { uow.Track(e); } public void SubmittChanges(UnitOfWork uow) { SaveInStorage(uow.GetChanges()); } } Other times, is the UOW whom references the Repository public class UnitOfWork { Repository _repository; public UnitOfWork(Repository repository) { _repository = repository; } public void Save(Entity e) { this.Track(e); } public void SubmittChanges() { _repository.Save(this.GetChanges()); } } How are these two elements related? UOW tracks the elements that needs be changed, and repository contains the logic to persist those changes, but... who call who? Does the last make more sense? Also, who manages the connection? If several operations have to be done in the repository, I think using the same connection and even transaction is more sound, so maybe put the connection object inside the UOW and this one inside the repository makes sense as well. Cheers

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• Can connect to Samba, but access denied to homes

  - by user893730

  I can connect to the samba server using both IP address and server name, and I can see the home folder name, but can't connect to it smb.cnf [global] workgroup = WORKGROUP server string = Venus wins support = no read only = no browsable = yes create mode = 0777 directory mode = 0777 case sensitive = no dns proxy = no interfaces = 127.0.0.1/8 eth0 bind interfaces only = yes log file = /var/log/samba/log.%m max log size = 1000 syslog = 0 security = user encrypt passwords = true passdb backend = smbpasswd obey pam restrictions = yes unix password sync = no passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = no [homes] comment = User Directories path = /data/localdevs/%u public = no browsable = yes writable = yes the /etc/samba folder has the following files in it lmhosts smb.conf smb.conf.orig smbusers The output of "sudo pdbedit -L" is user1:500: ls -abl /data/localdevs/ drwxr-xr-x. 4 user1 user1 4096 Jul 24 17:35 user1 These are what samba logs are showing when I get the access denied to user1's home directory [2012/07/24 20:27:08.599216, 3] smbd/process.c:1489(process_smb) Transaction 24 of length 90 (0 toread) [2012/07/24 20:27:08.599350, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.599373, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.599412, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599485, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599508, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599552, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599581, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.599643, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599668, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599707, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.599806, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.599838, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.604075, 3] smbd/process.c:1489(process_smb) Transaction 25 of length 90 (0 toread) [2012/07/24 20:27:08.604193, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.604216, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.604268, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604336, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604395, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604419, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604442, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.604532, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604554, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604583, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.604679, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.604705, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.606977, 3] smbd/process.c:1489(process_smb) Transaction 26 of length 80 (0 toread) [2012/07/24 20:27:08.607096, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.607119, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.607139, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1004 [2012/07/24 20:27:08.607162, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.607184, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.607208, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1004 call=5 total_data=0 [2012/07/24 20:27:08.608306, 3] smbd/process.c:1489(process_smb) Transaction 27 of length 80 (0 toread) [2012/07/24 20:27:08.608362, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.608383, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.608403, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1005 [2012/07/24 20:27:08.608439, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.608461, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.608484, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1005 call=5 total_data=0

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• Paranoid Encryption

  - by Lord Jaguar

  Call me paranoid, but I really like to keep my stuff secret, but readily available on the cloud. So, asking this question. How safe and reliable is encryption software (e.g., truecrypt)? The reason I ask is that, what is I encrypt my data today with this software and after a couple of years, the software is gone ! What happens to my encrypted data? Is it equally safe to AES encrypt using 7-zip? Will it provide the same level or equivalent level of encryption as truecrypt or other encryption software? (I agree truecrypt will be better because of the container encryption it gives.) And what happens if 7-zip shuts down after 5 years? I am sorry if I am sounding paranoid, but I am coming back to my original question... Is there any application/software independent encryption? Meaning, can I encrypt with one software and decrypt with another so that I will not be dependent on just one vendor? I want my encryption to depend ONLY on the password and NOT on the encryption program/software? The next question, can I write my own program that does AES/stronger encryption when I give it a passphrase, so that I don't need to depend on third party software for encryption? If yes, which language supports the same? Can someone give me a heads up as to where to look for in case of writing my own encryption program?

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• Perth's ADF Community Event now an open invite

  - by Chris Muir

  Yesterday saw the next ADF Community Event in Perth, and as promised we grew from 15 to 25 attendees (which is going to cause a bit of a problem soon if we keep growing as we're going to run out of powerpoints for laptops). This bimonthly enjoyed presentations from Matthew Carrigy from the Dept of Finance WA on the ADF UI Shell, a small presentation from me about how Fusion Apps uses ADF, and a hands on based on programatically extending ADF BC to call external web services.  For Matt, his first presentation to a user group, with two live demos, all kudos to him for making it look smooth (for the record I hate live demos, I always break something) - thank you Matt! We've already lined up our speakers for the next event in November, and will be inviting yet more customers to this event.  However the event will now move to an open invite, so if you'd like your staff to attend please let me know by emailing chris DOT muir AT oracle DOT com. Alternatively I've had a fair few requests now for an "Intro to ADF" 1 day session so I'll consider this soon.  Certainly if you're interested let me know as this will help organize the event earlier rather than later. 

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• nginx configuration for URL URI paths

  - by hachiari

  I want to switch my webserver from apache to nginx however I have difficulties in converting my current htaccess to nginx configuration the conditions that I need: I want everything to be like apache, it can read file such as js, css, jpg, png ,etc I am currently using CodeIgniter PHP frameword, it uses the URI system thingy... So my htaccess configuration for CodeIgniter URI is: RewriteEngine On RewriteBase / RewriteCond %{REQUEST_URI} ^system.* RewriteRule ^(.*)$ /index.php/$1 [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 [L] RewriteCond %{HTTP_HOST} ^www.domain.tld [NC] RewriteRule ^(.*)$ hxtp://domain.tld/$1 [L,R=301] I am also using minify to compress my css and js files, so the way I call my css and js is like: hxtp://domain.tld/?=css hxtp://domain.tld/?=js I tried some configurations from the net, but I could only solve problem no 2 Thank You

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• How to reset a Fritz!Box DSL router to factory settings?

  - by damluar

  I need to change the setting of router Fritz Box. The setting were set by another person. I can't connect to router using cable, may be standard port or address were changed. So the only option is to switch to factory settings. Usually there is a button which deletes all the settings. I read the documentation and they tell to call the number #991*15901590* on the router. Do I have to connect telephone to router?

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• What is the difference between Callback<T> and Java 8's Supplier<T>?

  - by Dan Pantry

  I've been switching over to Java from C# after some recommendations from some over at CodeReview. So, when I was looking into LWJGL, one thing I remembered was that every call to Display must be executed on the same thread that the Display.create() method was invoked on. Remembering this, I whipped up a class that looks a bit like this. public class LwjglDisplayWindow implements DisplayWindow { private final static int TargetFramesPerSecond = 60; private final Scheduler _scheduler; public LwjglDisplayWindow(Scheduler displayScheduler, DisplayMode displayMode) throws LWJGLException { _scheduler = displayScheduler; Display.setDisplayMode(displayMode); Display.create(); } public void dispose() { Display.destroy(); } @Override public int getTargetFramesPerSecond() { return TargetFramesPerSecond; } @Override public Future<Boolean> isClosed() { return _scheduler.schedule(() -> Display.isCloseRequested()); } } While writing this class you'll notice that I created a method called isClosed() that returns a Future<Boolean>. This dispatches a function to my Scheduler interface (which is nothing more than a wrapper around an ScheduledExecutorService. While writing the schedule method on the Scheduler I noticed that I could either use a Supplier<T> argument or a Callable<T> argument to represent the function that is passed in. ScheduledExecutorService didn't contain an override for Supplier<T> but I noticed that the lambda expression () -> Display.isCloseRequested() is actually type compatible with both Callable<bool> and Supplier<bool>. My question is, is there a difference between those two, semantically or otherwise - and if so, what is it, so I can adhere to it?

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• Implementing the transport layer for a SIP UAC

  - by Jonathan Henson

  I have a somewhat simple, but specific, question about implementing the transport layer for a SIP UAC. Do I expect the response to a request on the same socket that I sent the request on, or do I let the UDP or TCP listener pick up the response and then route it to the correct transaction from there? The RFC does not seem to say anything on the matter. It seems that especially using UDP, which is connection-less, that I should just let the listeners pick up the response, but that seems sort of counter intuitive. Particularly, I have seen plenty of UAC implementations which do not depend on having a Listener in the transport layer. Also, most implementations I have looked at do not have the UAS receiving loop responding on the socket at all. This would tend to indicate that the client should not be expecting a reply on the socket that it sent the request on. For clarification: Suppose my transport layer consists of the following elements: TCPClient (Sends Requests for a UAC via TCP) UDPClient (Sends Requests for a UAC vid UDP) TCPSever (Loop receiving Requests and dispatching to transaction layer via TCP) UDPServer (Loop receiving Requests and dispatching to transaction layer via UDP) Obviously, the *Client sends my Requests. The question is, what receives the Response? The *Client waiting on a recv or recvfrom call on the socket it used to send the request, or the *Server? Conversely, the *Server receives my requests, What sends the Response? The *Client? doesn't this break the roles of each member a bit?

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• store image installation error in UEC

  - by selvakumar

  to my college final year project we planned to setup the private cloud on the two machines. I recently installed Ubuntu Enterprise Cloud (UEC) on two of my machines . I was trying to install the store image through WebUI. I was able to download Ubuntu 10.04 - (i386) image but while installing, it's giving me following error: - Command 'euca-upload-bundle' returned status code 1: Checking bucket: image-store-1296600766 Traceback (most recent call last): File "/usr/bin/euca-upload-bundle", line 231, in main() File "/usr/bin/euca-upload-bundle", line 214, in main bucket_instance = ensure_bucket(conn, bucket, canned_acl) File "/usr/bin/euca-upload-bundle", line 87, in ensure_bucket bucket_instance = connection.get_bucket(bucket) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 275, in get_bucket rs = bucket.get_all_keys(headers, maxkeys=0) File "/usr/lib/pymodules/python2.6/boto/s3/bucket.py", line 204, in get_all_keys headers=headers, query_args=s) File "/usr/lib/pymodules/python2.6/boto/s3/connection.py", line 342, in make_request data, host, auth_path, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 459, in make_request return self._mexe(method, path, data, headers, host, sender) File "/usr/lib/pymodules/python2.6/boto/connection.py", line 437, in _mexe raise e socket.error: [Errno 110] Connection timed out could anyone please help me?

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• ArchBeat Link-o-Rama for 2012-06-27

  - by Bob Rhubart

  Resource Kit: Oracle Exadata for the Communications industry In addition to several customer case studies, in video and white paper formats, this resource kit also includes a technical overview of Oracle Exadata Database Machine and a product datasheet. Registration is required for those who don't already have a free Oracle.com membership account. Call for Nominations: Oracle Fusion Middleware Innovation Awards 2012 - Win a free pass to #OOW12 These awards honor customers for their cutting-edge solutions using Oracle Fusion Middleware. Either a customer, their partner, or an Oracle representative can submit the nomination form on behalf of the customer. Submission deadline: July 17. Winners receive a free pass to Oracle OpenWorld 2012 in San Francisco. BPM – Disable DBMS job to refresh B2B Materialized View | Mark Nelson "If you are running BPM and you are not using B2B, you might want to disable the DBMS job that refreshes the B2B materialized view," says Fusion Middleware A-Team blogger Mark Nelson. Learn how in his short post. A Universal JMX Client for Weblogic –Part 1: Monitoring BPEL Thread Pools in SOA 11g | Stefan Koser A concise how-to from Oracle Fusion Middleware A-Team blogger Stefan Koser. Thought for the Day "There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult." — C. A. R. Hoare Source: SoftwareQuotes.com/

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• How to handle multiple effect files in XNA

  - by Adam 'Pi' Burch

  So I'm using ModelMesh and it's built in Effects parameter to draw a mesh with some shaders I'm playing with. I have a simple GUI that lets me change these parameters to my heart's desire. My question is, how do I handle shaders that have unique parameters? For example, I want a 'shiny' parameter that affects shaders with Phong-type specular components, but for an environment mapping shader such a parameter doesn't make a lot of sense. How I have it right now is that every time I call the ModelMesh's Draw() function, I set all the Effect parameters as so foreach (ModelMesh m in model.Meshes) { if (isDrawBunny == true)//Slightly change the way the world matrix is calculated if using the bunny object, since it is not quite centered in object space { world = boneTransforms[m.ParentBone.Index] * Matrix.CreateScale(scale) * rotation * Matrix.CreateTranslation(position + bunnyPositionTransform); } else //If not rendering the bunny, draw normally { world = boneTransforms[m.ParentBone.Index] * Matrix.CreateScale(scale) * rotation * Matrix.CreateTranslation(position); } foreach (Effect e in m.Effects) { Matrix ViewProjection = camera.ViewMatrix * camera.ProjectionMatrix; e.Parameters["ViewProjection"].SetValue(ViewProjection); e.Parameters["World"].SetValue(world); e.Parameters["diffuseLightPosition"].SetValue(lightPositionW); e.Parameters["CameraPosition"].SetValue(camera.Position); e.Parameters["LightColor"].SetValue(lightColor); e.Parameters["MaterialColor"].SetValue(materialColor); e.Parameters["shininess"].SetValue(shininess); //e.Parameters //e.Parameters["normal"] } m.Draw(); Note the prescience of the example! The solutions I've thought of involve preloading all the shaders, and updating the unique parameters as needed. So my question is, is there a best practice I'm missing here? Is there a way to pull the parameters a given Effect needs from that Effect? Thank you all for your time!

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• What's the difference between hardware and software interrupt?

  - by robotrobert

  I'm gonna sketch my understanding of both. I've googled around but i'm not sure about my knowledge. Please correct me! Hardware interrupt is generated by the operation system event scheduler to reassign the cpu time for another process. Is this true? Software interrupt can be generated from a running program who wants for example to read a file, and for that we need to reassign the cpu for the appropriate operation system call. Is this true? Is there other kind of software/hardware interrupts?

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