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• Audio/video streaming on Windows platform

  - by bushtucker

  I'm building an interactive language learning application to be used in a classroom environment. The idea is that a teacher should be able to talk to the students (=audio stream to all students), let students talk to each other (= audio P2P) in groups of two or more, let students watch a video coming from a the DVD player or coming from a media server. It should be possible to save the audio/video streams. The teacher should also be able to monitor, take-over or block the desktop of the students. The platform is Windows and it's a desktop application, no web application. The audio delay should be as minimal as poosible. Optionally a student sitting at home should be supported, but it's not a high priority. I am now finished with the classroom control part of the application (login, monitor, block, ...) and want to start the audio and video part. I've been evaluating several options like DirectX, GStreamer and SIP but now I have to make a decision. DirectX seems an obvious choice for the Windows platform, but it only lets me capture and playback audio and video. The encoding/decoding/network part I should do myself. GStreamer contains all kinds of options to capture/encode/stream/save audio and video streams. I've experimented a bit with it (ossbuild) and it does seem to involve a lot of trial and error to make something work: - microphone capture (via directsoundsrc) produces cracking noises on some computers - rtpL16 payloader didn't work well - streaming raw audio over the network only working at a sampling rate of 8000, no higher - there are a lot of errors when receiving mpeg4 video (bad I-frame), on some computers worse than others It is my impression that gstreamer is primary targetted at linux platforms. Development and support for the Windows platform seems to be a little behind. Nevertheless it's a powerful framework that could save me months and years of work. SIP seems to be able to do everything I want, but it is targeted towards telephony and IM. I don't know how flexible SIP is. It seems to me that the SIP layer would just be overhead as I already have a central (teacher) application that can control and setup all the streams. The interesting parts of frameworks like opalvoip and freeswitch are the actual audio/video capture, the encoding and transmission. Does anyone know how these interesting parts relate a framework like gstreamer? Are they easy to integrate into a custom application? Are they flexible enough? Does anyone have experience with all or one of these technologies? Maybe there are even other options I can look at? Many thanks for your advice

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• Editing Neo Slider to move in one direction

  - by user2106416

  I have a website with brandspace theme from pixelentity. Currently, the slider move from right to left ( auto transition) . But, when the slider reaches the last image, it will go back to the first image by making all previous images sliding back from left to right. I want to make the slider to have a normal transition,i.e. going back to first image but still with the image sliding from right to left. Below is the slider.php code.: <?php $t =& peTheme(); ?> <?php list($pid,$conf,$loop) = $t->template->data(); ?> <?php $w = $t->media->width(940); ?> <?php $h = $t->media->height(300); ?> <div class="peSlider peVolo" data-autopause="disabled" data-plugin="<?php echo apply_filters("pe_theme_slider_plugin","peVolo"); ?>" data-controls-arrows="edges-full" data-controls-bullets="disabled" data-icon-font="enabled"> <?php while ($slide =& $loop->next()): ?> <?php $link = empty($slide->link) ? false: $slide->link; ?> <?php $img = $t->image->resizedImg($slide->img,$w,$h); ?> <div data-delay="4" <?php echo $slide->idx == 0 ? ' class="visible"' : ''; ?>> <?php if (isset($slide->caption)) $t->slider->caption($slide->caption); ?> <?php if ($link): ?> <a href="<?php echo $link ?>" data-flare-gallery="fsGallery<?php echo $pid ?>"> <?php echo $img; ?> </a> <?php else: ?> <?php echo $img; ?> <?php endif; ?> </div> <?php endwhile; ?> </div>

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• flash cs4 file reference. Event.COMPLETE not called on a MAC,

  - by jobbie jones

  Hi, I am working with a fileReference, however I'm having issues running on Safari on a MAC... EDIT The below example also doesnt work on Safari on a MAC... http://www.permadi.com/blog/2010/06/flash-as3-using-filereference-to-load-files-example-for-flash-cs4-and-above/ # The workflow on a PC runs as such: 1) Create file reference 2) attach addEventListener's for Event.SELECT and Event.COMPLETE 3) call the browse() method On a PC, Event.SELECT is fired when a file has been selected. Event.COMPLETE is fired when the file data is available to flash. If I select an 500meg file, it takes a few seconds before Event.COMPLETE is fired. If I attempt to access the file data properties (such as reading the data stream) before Event.COMPLETE is fired, I receive null reference errors... So far so good. However, on a MAC (speficially Safari, not tested other browsers), the Event.COMPLETE is not fired. I have checked the Adobe docs, which say Event.COMPLETE is fired when the upload is completed. So why does it get fired on windows when the fileReference has parsed the file, but the upload method has not yet been called... Can anyone help? Here's snippets of the code I am working on: public function browseFile(target:Object):void { var imagesFilter:FileFilter = new FileFilter("Allowed files", "*.jpg;*.bmp;*.flv;"); fileReference.browse([imagesFilter]); fileReference.addEventListener(Event.SELECT, fileSelect); fileReference.addEventListener(Event.COMPLETE, fileSelectComplete); } private function fileSelect(event:Event):void { // update label - IMPORTANT for large files as there's a delay while flash parses file, before control is handed back to this script... setStatusLabel("...loading file"); var fileReference:FileReference = event.target as FileReference; fileReference.addEventListener(Event.COMPLETE, fileSelectComplete); // load the file into the fileReference object fileReference.load(); } // Called when upload file has been processed by flash (a few secs for large files, or fileRef.data is null...) private function fileSelectComplete(event:Event):void { var fileReference:FileReference=event.target as FileReference; trace("ready to do things - but not fired on Safari on a MAC "); }

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• Need a fast programming language that can drive two printers

  - by Pete

  I have a rather unusual application that isn't working the way I need, and I hope someone here will have some suggestions or at least a direction to investigate. We have a museum exhibit that has a computer at the entrance driving two small receipt printers. There are two buttons on a console, wired to the left and right buttons of a disemboweled mouse. The two printers and associated buttons are for girls and boys, each button does a random selection from a database of names and prints a small ticket on the appropriate printer with a graphic image, a few words about the exhibit and the randomly chosen name. Conceptually all is well, but it hangs quite often. I got the project at the last minute, because the original designer got bogged down and couldn't deliver, so the exhibit's author asked me the day before opening, whether I could write something that would work. I did it in Word, since I am an experienced VBA programmer. Several other avenues I attempted first all lead to dead ends - one couldn't do graphics, another couldn't handle two printers, yet another couldn't change fonts and so on. The problem is that it simply isn't fast enough - Word can only drive one printer at a time and changing the active printer takes a long time. Not by office standards, where a second or two of delay before a printer starts working on your document is not an issue, but here I need more or less instant response. If kids press a button and nothing happens, they press it over and over until something does happen, resulting in maybe half a dozen commands being sent before the printer starts reacting. Sometimes it jams the program completely, since boys and girls will be pressing the two buttons simultaneously and Word locks up, and even when it doesn't jam, the printers then spit out a stream of tickets, making a mess. The kids start squabbling over which ticket is whose, pulling them out of the printers, snarling the paper tape, jamming the printer and generally making a mess of the whole affair, often necessitating the exhibit caretakers having to restart the computer and clear torn bits of paper out the printers. What I need is some sort of fast programming language that can drive two printers *-simultaneously-*, not the MSOffice claptrap of having to switch the active printer, that can react to both left and right mouse button click events, can print a small graphic image and can print in different font sizes and styles and. I don't need many, but it's not all in one typeface. Can anyone suggest what I might use for this? I don't even know if it's possible at all under Windows, whether the "single active printer" garbage is an Office artifact, or a Windows restriction. My little Commodore-64 twenty-five years ago had two printers attached to it and drove both simultaneously with no difficulties - it doesn't seem to me it should be such an impossible requirement today.

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• Abnormally disconnected TCP sockets and write timeout

  - by James

  Hello I will try to explain the problem in shortest possible words. I am using c++ builder 2010. I am using TIdTCPServer and sending voice packets to a list of connected clients. Everything works ok untill any client is disconnected abnormally, For example power failure etc. I can reproduce similar disconnect by cutting the ethernet connection of a connected client. So now we have a disconnected socket but as you know it is not yet detected at server side so server will continue to try to send data to that client too. But when server try to write data to that disconnected client ...... Write() or WriteLn() HANGS there in trying to write, It is like it is wating for somekind of Write timeout. This hangs the hole packet distribution process as a result creating a lag in data transmission to all other clients. After few seconds "Socket Connection Closed" Exception is raised and data flow continues. Here is the code try { EnterCriticalSection(&SlotListenersCriticalSection); for(int i=0;i<SlotListeners->Count;i++) { try { //Here the process will HANG for several seconds on a disconnected socket ((TIdContext*) SlotListeners->Objects[i])->Connection->IOHandler->WriteLn("Some DATA"); }catch(Exception &e) { SlotListeners->Delete(i); } } }__finally { LeaveCriticalSection(&SlotListenersCriticalSection); } Ok i already have a keep alive mechanism which disconnect the socket after n seconds of inactivity. But as you can imagine, still this mechnism cant sync exactly with this braodcasting loop because this braodcasting loop is running almost all the time. So is there any Write timeouts i can specify may be through iohandler or something ? I have seen many many threads about "Detecting disconnected tcp socket" but my problem is little different, i need to avoid that hangup for few seconds during the write attempt. So is there any solution ? Or should i consider using some different mechanism for such data broadcasting for example the broadcasting loop put the data packet in some kind of FIFO buffer and client threads continuously check for available data and pick and deliver it to themselves ? This way if one thread hangs it will not stop/delay the over all distribution thread. Any ideas please ? Thanks for your time and help. Regards Jams

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• Permanent mutex locking causing deadlock?

  - by Daniel

  I am having a problem with mutexes (pthread_mutex on Linux) where if a thread locks a mutex right again after unlocking it, another thread is not very successful getting a lock. I've attached test code where one mutex is created, along with two threads that in an endless loop lock the mutex, sleep for a while and unlock it again. The output I expect to see is "alive" messages from both threads, one from each (e.g. 121212121212. However what I get is that one threads gets the majority of locks (e.g. 111111222222222111111111 or just 1111111111111...). If I add a usleep(1) after the unlocking, everything works as expected. Apparently when the thread goes to SLEEP the other thread gets its lock - however this is not the way I was expecting it, as the other thread has already called pthread_mutex_lock. I suspect this is the way this is implemented, in that the actice thread has priority, however it causes certain problem in this particular testcase. Is there any way to prevent it (short of adding a deliberately large enough delay or some kind of signaling) or where is my error in understanding? #include <pthread.h> #include <stdio.h> #include <string.h> #include <sys/time.h> #include <unistd.h> pthread_mutex_t mutex; void* threadFunction(void *id) { int count=0; while(true) { pthread_mutex_lock(&mutex); usleep(50*1000); pthread_mutex_unlock(&mutex); // usleep(1); ++count; if (count % 10 == 0) { printf("Thread %d alive\n", *(int*)id); count = 0; } } return 0; } int main() { // create one mutex pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutex_init(&mutex, &attr); // create two threads pthread_t thread1; pthread_t thread2; pthread_attr_t attributes; pthread_attr_init(&attributes); int id1 = 1, id2 = 2; pthread_create(&thread1, &attributes, &threadFunction, &id1); pthread_create(&thread2, &attributes, &threadFunction, &id2); pthread_attr_destroy(&attributes); sleep(1000); return 0; }

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• Speed up a web service for auto complete and avoid too many method calls.

  - by jphenow

  So I've got my jquery autocomplete 'working,' but its a little fidgety since I call the webservice method each time a keydown() fires so I get lots of methods hanging and sometimes to get the "auto" to work I have to type it out and backspace a bit because i'm assuming it got its return value a little slow. I've limited the query results to 8 to mininmize time. Is there anything i can do to make this a little snappier? This thing seems near useless if I don't get it a little more responsive. javascript $("#clientAutoNames").keydown(function () { $.ajax({ type: "POST", url: "WebService.asmx/LoadData", data: "{'input':" + JSON.stringify($("#clientAutoNames").val()) + "}", contentType: "application/json; charset=utf-8", dataType: "json", success: function (data) { if (data.d != null) { var serviceScript = data.d; } $("#autoNames").html(serviceScript); $('#clientAutoNames').autocomplete({ minLength: 2, source: autoNames, delay: 100, focus: function (event, ui) { $('#project').val(ui.item.label); return false; }, select: function (event, ui) { $('#clientAutoNames').val(ui.item.label); $('#projectid').val(ui.item.value); $('#project-description').html(ui.item.desc); pkey = $('#project-id').val; return false; } }) .data("autocomplete")._renderItem = function (ul, item) { return $("<li></li>") .data("item.autocomplete", item) .append("<a>" + item.label + "<br>" + item.desc + "</a>") .appendTo(ul); } } }); }); WebService.asmx <WebMethod()> _ Public Function LoadData(ByVal input As String) As String Dim result As String = "<script>var autoNames = [" Dim sqlOut As Data.SqlClient.SqlDataReader Dim connstring As String = *Datasource* Dim strSql As String = "SELECT TOP 2 * FROM v_Clients WHERE (SearchName Like '" + input + "%') ORDER BY SearchName" Dim cnn As Data.SqlClient.SqlConnection = New Data.SqlClient.SqlConnection(connstring) Dim cmd As Data.SqlClient.SqlCommand = New Data.SqlClient.SqlCommand(strSql, cnn) cnn.Open() sqlOut = cmd.ExecuteReader() Dim c As Integer = 0 While sqlOut.Read() result = result + "{" result = result + "value: '" + sqlOut("ContactID").ToString() + "'," result = result + "label: '" + sqlOut("SearchName").ToString() + "'," 'result = result + "desc: '" + title + " from " + company + "'," result = result + "}," End While result = result + "];</script>" sqlOut.Close() cnn.Close() Return result End Function I'm sure I'm just going about this slightly wrong or not doing a better balance of calls or something. Greatly appreciated!

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• Thread sleep and thread join.

  - by Dhruv Gairola

  hi guys, if i put a thread to sleep in a loop, netbeans gives me a caution saying Invoking Thread.sleep in loop can cause performance problems. However, if i were to replace the sleep with join, no such caution is given. Both versions compile and work fine tho. My code is below (check the last few lines for "Thread.sleep() vs t.join()"). public class Test{ //Display a message, preceded by the name of the current thread static void threadMessage(String message) { String threadName = Thread.currentThread().getName(); System.out.format("%s: %s%n", threadName, message); } private static class MessageLoop implements Runnable { public void run() { String importantInfo[] = { "Mares eat oats", "Does eat oats", "Little lambs eat ivy", "A kid will eat ivy too" }; try { for (int i = 0; i < importantInfo.length; i++) { //Pause for 4 seconds Thread.sleep(4000); //Print a message threadMessage(importantInfo[i]); } } catch (InterruptedException e) { threadMessage("I wasn't done!"); } } } public static void main(String args[]) throws InterruptedException { //Delay, in milliseconds before we interrupt MessageLoop //thread (default one hour). long patience = 1000 * 60 * 60; //If command line argument present, gives patience in seconds. if (args.length > 0) { try { patience = Long.parseLong(args[0]) * 1000; } catch (NumberFormatException e) { System.err.println("Argument must be an integer."); System.exit(1); } } threadMessage("Starting MessageLoop thread"); long startTime = System.currentTimeMillis(); Thread t = new Thread(new MessageLoop()); t.start(); threadMessage("Waiting for MessageLoop thread to finish"); //loop until MessageLoop thread exits while (t.isAlive()) { threadMessage("Still waiting..."); //Wait maximum of 1 second for MessageLoop thread to //finish. /*******LOOK HERE**********************/ Thread.sleep(1000);//issues caution unlike t.join(1000) /**************************************/ if (((System.currentTimeMillis() - startTime) > patience) && t.isAlive()) { threadMessage("Tired of waiting!"); t.interrupt(); //Shouldn't be long now -- wait indefinitely t.join(); } } threadMessage("Finally!"); } } As i understand it, join waits for the other thread to complete, but in this case, arent both sleep and join doing the same thing? Then why does netbeans throw the caution?

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• Loading datasets from datastore and merge into single dictionary. Resource problem.

  - by fredrik

  Hi, I have a productdatabase that contains products, parts and labels for each part based on langcodes. The problem I'm having and haven't got around is a huge amount of resource used to get the different datasets and merging them into a dict to suit my needs. The products in the database are based on a number of parts that is of a certain type (ie. color, size). And each part has a label for each language. I created 4 different models for this. Products, ProductParts, ProductPartTypes and ProductPartLabels. I've narrowed it down to about 10 lines of code that seams to generate the problem. As of currently I have 3 Products, 3 Types, 3 parts for each type, and 2 languages. And the request takes a wooping 5500ms to generate. for product in productData: productDict = {} typeDict = {} productDict['productName'] = product.name cache_key = 'productparts_%s' % (slugify(product.key())) partData = memcache.get(cache_key) if not partData: for type in typeData: typeDict[type.typeId] = { 'default' : '', 'optional' : [] } ## Start of problem lines ## for defaultPart in product.defaultPartsData: for label in labelsForLangCode: if label.key() in defaultPart.partLabelList: typeDict[defaultPart.type.typeId]['default'] = label.partLangLabel for optionalPart in product.optionalPartsData: for label in labelsForLangCode: if label.key() in optionalPart.partLabelList: typeDict[optionalPart.type.typeId]['optional'].append(label.partLangLabel) ## end problem lines ## memcache.add(cache_key, typeDict, 500) partData = memcache.get(cache_key) productDict['parts'] = partData productList.append(productDict) I guess the problem lies in the number of for loops is too many and have to iterate over the same data over and over again. labelForLangCode get all labels from ProductPartLabels that match the current langCode. All parts for a product is stored in a db.ListProperty(db.key). The same goes for all labels for a part. The reason I need the some what complex dict is that I want to display all data for a product with it's default parts and show a selector for the optional one. The defaultPartsData and optionaPartsData are properties in the Product Model that looks like this: @property def defaultPartsData(self): return ProductParts.gql('WHERE __key__ IN :key', key = self.defaultParts) @property def optionalPartsData(self): return ProductParts.gql('WHERE __key__ IN :key', key = self.optionalParts) When the completed dict is in the memcache it works smoothly, but isn't the memcache reset if the application goes in to hibernation? Also I would like to show the page for first time user(memcache empty) with out the enormous delay. Also as I said above, this is only a small amount of parts/product. What will the result be when it's 30 products with 100 parts. Is one solution to create a scheduled task to cache it in the memcache every hour? It this efficient? I know this is alot to take in, but I'm stuck. I've been at this for about 12 hours straight. And can't figure out a solution. ..fredrik

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• Need Google Map InfoWindow Hyperlink to Open Content in Overlay (Fusion Table Usage)

  - by McKev

  I have the following code established to render the map in my site. When the map is clicked, the info window pops up with a bunch of content including a hyperlink to open up a website with a form in it. I would like to utilize a function like fancybox to open up this link "form" in an overlay. I have read that fancybox doesn't support calling the function from within an iframe, and was wondering if there was a way to pass the link data to the DOM and trigger the fancybox (or another overlay option) in another way? Maybe a callback trick - any tips would be much appreciated! <style> #map-canvas { width:850px; height:600px; } </style> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"></script> <script src="http://gmaps-utility-gis.googlecode.com/svn/trunk/fusiontips/src/fusiontips.js" type="text/javascript"></script> <script type="text/javascript"> var map; var tableid = "1nDFsxuYxr54viD_fuH7fGm1QRZRdcxFKbSwwRjk"; var layer; var initialLocation; var browserSupportFlag = new Boolean(); var uscenter = new google.maps.LatLng(37.6970, -91.8096); function initialize() { map = new google.maps.Map(document.getElementById('map-canvas'), { zoom: 4, mapTypeId: google.maps.MapTypeId.ROADMAP }); layer = new google.maps.FusionTablesLayer({ query: { select: "'Geometry'", from: tableid }, map: map }); //http://gmaps-utility-gis.googlecode.com/svn/trunk/fusiontips/docs/reference.html layer.enableMapTips({ select: "'Contact Name','Contact Title','Contact Location','Contact Phone'", from: tableid, geometryColumn: 'Geometry', suppressMapTips: false, delay: 500, tolerance: 8 }); ; // Try W3C Geolocation (Preferred) if(navigator.geolocation) { browserSupportFlag = true; navigator.geolocation.getCurrentPosition(function(position) { initialLocation = new google.maps.LatLng(position.coords.latitude,position.coords.longitude); map.setCenter(initialLocation); //Custom Marker var pinColor = "A83C0A"; var pinImage = new google.maps.MarkerImage("http://chart.apis.google.com/chart?chst=d_map_pin_letter&chld=%E2%80%A2|" + pinColor, new google.maps.Size(21, 34), new google.maps.Point(0,0), new google.maps.Point(10, 34)); var pinShadow = new google.maps.MarkerImage("http://chart.apis.google.com/chart?chst=d_map_pin_shadow", new google.maps.Size(40, 37), new google.maps.Point(0, 0), new google.maps.Point(12, 35)); new google.maps.Marker({ position: initialLocation, map: map, icon: pinImage, shadow: pinShadow }); }, function() { handleNoGeolocation(browserSupportFlag); }); } // Browser doesn't support Geolocation else { browserSupportFlag = false; handleNoGeolocation(browserSupportFlag); } function handleNoGeolocation(errorFlag) { if (errorFlag == true) { //Geolocation service failed initialLocation = uscenter; } else { //Browser doesn't support geolocation initialLocation = uscenter; } map.setCenter(initialLocation); } } google.maps.event.addDomListener(window, 'load', initialize); </script>

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• B-trees, databases, sequential inputs, and speed.

  - by IanC

  I know from experience that b-trees have awful performance when data is added to them sequentially (regardless of the direction). However, when data is added randomly, best performance is obtained. This is easy to demonstrate with the likes of an RB-Tree. Sequential writes cause a maximum number of tree balances to be performed. I know very few databases use binary trees, but rather used n-order balanced trees. I logically assume they suffer a similar fate to binary trees when it comes to sequential inputs. This sparked my curiosity. If this is so, then one could deduce that writing sequential IDs (such as in IDENTITY(1,1)) would cause multiple re-balances of the tree to occur. I have seen many posts argue against GUIDs as "these will cause random writes". I never use GUIDs, but it struck me that this "bad" point was in fact a good point. So I decided to test it. Here is my code: SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[T1]( [ID] [int] NOT NULL CONSTRAINT [T1_1] PRIMARY KEY CLUSTERED ([ID] ASC) ) GO CREATE TABLE [dbo].[T2]( [ID] [uniqueidentifier] NOT NULL CONSTRAINT [T2_1] PRIMARY KEY CLUSTERED ([ID] ASC) ) GO declare @i int, @t1 datetime, @t2 datetime, @t3 datetime, @c char(300) set @t1 = GETDATE() set @i = 1 while @i < 2000 begin insert into T2 values (NEWID(), @c) set @i = @i + 1 end set @t2 = GETDATE() WAITFOR delay '0:0:10' set @t3 = GETDATE() set @i = 1 while @i < 2000 begin insert into T1 values (@i, @c) set @i = @i + 1 end select DATEDIFF(ms, @t1, @t2) AS [Int], DATEDIFF(ms, @t3, getdate()) AS [GUID] drop table T1 drop table T2 Note that I am not subtracting any time for the creation of the GUID nor for the considerably extra size of the row. The results on my machine were as follows: Int: 17,340 ms GUID: 6,746 ms This means that in this test, random inserts of 16 bytes was almost 3 times faster than sequential inserts of 4 bytes. Would anyone like to comment on this? Ps. I get that this isn't a question. It's an invite to discussion, and that is relevant to learning optimum programming.

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• Count seconds and minutes with MCU timer/interrupt?

  - by arynhard

  I am trying to figure out how to create a timer for my C8051F020 MCU. The following code uses the value passed to init_Timer2() with the following formula: 65535-(0.1 / (12/2000000)=48868. I set up the timer to count every time it executes and for every 10 counts, count one second. This is based on the above formula. 48868 when passed to init_Timer2 will produce a 0.1 second delay. It would take ten of them per second. However, when I test the timer it is a little fast. At ten seconds the timer reports 11 seconds, at 20 seconds the timer reports 22 seconds. I would like to get as close to a perfect second as I can. Here is my code: #include <compiler_defs.h> #include <C8051F020_defs.h> void init_Clock(void); void init_Watchdog(void); void init_Ports(void); void init_Timer2(unsigned int counts); void start_Timer2(void); void timer2_ISR(void); unsigned int timer2_Count; unsigned int seconds; unsigned int minutes; int main(void) { init_Clock(); init_Watchdog(); init_Ports(); start_Timer2(); P5 &= 0xFF; while (1); } //============================================================= //Functions //============================================================= void init_Clock(void) { OSCICN = 0x04; //2Mhz //OSCICN = 0x07; //16Mhz } void init_Watchdog(void) { //Disable watchdog timer WDTCN = 0xDE; WDTCN = 0xAD; } void init_Ports(void) { XBR0 = 0x00; XBR1 = 0x00; XBR2 = 0x40; P0 = 0x00; P0MDOUT = 0x00; P5 = 0x00; //Set P5 to 1111 P74OUT = 0x08; //Set P5 4 - 7 (LEDs) to push pull (Output) } void init_Timer2(unsigned int counts) { CKCON = 0x00; //Set all timers to system clock divided by 12 T2CON = 0x00; //Set timer 2 to timer mode RCAP2 = counts; T2 = 0xFFFF; //655535 IE |= 0x20; //Enable timer 2 T2CON |= 0x04; //Start timer 2 } void start_Timer2(void) { EA = 0; init_Timer2(48868); EA = 1; } void timer2_ISR(void) interrupt 5 { T2CON &= ~(0x80); P5 ^= 0xF0; timer2_Count++; if(timer2_Count % 10 == 0) { seconds++; } if(seconds % 60 == 0 && seconds != 0) { minutes++; } }

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• Issue with blocking the UI during a onchange request - prevents other event from firing.

  - by jfrobishow

  I am having issues with jQuery blockUI plugins and firing two events that are (I think, unless I am loosing it) unrelated. Basically I have textboxes with onchange events bound to them. The event is responsible for blocking the UI, doing the ajax call and on success unblocking the UI. The ajax is saving the text in memory. The other control is a button with on onclick event which also block the UI, fire an ajax request saving what's in memory to the database and on success unblock the UI. Both of these work fine separately. The issue arise when I trigger the onchange by clicking on the button. Then only the onchange is fired and the onclick is ignored. I can change the text in the checkbox, click on the link and IF jQuery.blockUI() is present the onchange alone is fired and the save is never called. If I remove the blockUI both function are called. Here's a fully working example where you can see the issue. Please note the setTimeout are there when I was trying to simulate the ajax delay but the issue is happening without it. <html> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script src="http://github.com/malsup/blockui/raw/master/jquery.blockUI.js?v2.31"></script> <script> function doSomething(){ $.blockUI(); alert("doing something"); //setTimeout(function(){ $.unblockUI(); //},500); } function save(){ $.blockUI(); //setTimeout(function(){ alert("saving"); $.unblockUI(); //}, 1000); } </script> </head> <body> <input type="text" onchange="doSomething();"> <a href="#" onclick="save()">save</a> </body> </html>

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• Keeping Velocity Constant and Player in Position - Sidescrolling

  - by user2904951

  I'm working on a Little Mobile Game with Cocos2D-X and Box2D. The Point where I got stuck is the movement of a box2d-body (the main actor) and the according Sprite. Now I want to : move this Body with a constant velocity along the x-axis, no matter if it's rolling (it's a circleshape) upwards or downwards keep the body nearly sticking to the ground on which it's rolling keep the Body and the according Sprite in the Center of the Screen. What I tried : in the update()- method I used body->SetLinearVelocity(b2Vec2(x,y)) to higher/lower values, if the Body was passing a constant value for his velocity I used to set very high y-Values in body->SetLinearVelocity(b2Vec2(x,y)) First tried to use CCFollow with my playerSprite, which was also Scrolling along the y-axis, as i only need to scroll along the x-axis, so I decided to move the whole layer which is containing the ambience (platforms etc.) to the left of my Screen and my Player Body & Player sprite to the right of the Screen, adjusting the speed values to Keep the Player in the Center of the Screen. Well... ...didn't work as i wanted it to, because each time i set the velocity manually (I also tried to use body->applyLinearImpulse(...) when the Body is moving upwards just as playing around with the value of velocityIterations in world->Step(...)) there's a small delay, which pushes the player Body more or less further of the Center of the Screen. ... didn't also work as I expected it to, because I needed to adjust the x-Values, when the Body was moving upwards to Keep it not getting slowed down, this made my Body even less sticky to the ground.... ... CCFollow did a good Job, except that I didn't want to scroll along the y-axis also and it Forces the overgiven sprite to start in the Center of the Screen. Moving the whole Layer even brought no good results, I have tried a Long time to adjust values of the movement Speed of the layer and the Body to Keep it negating each other, that the player stays nearly in the Center of the Screen.... So my question is : Does anyone of you have any Kind of new Approach for me to solve this cohesive bunch of Problems ? Cheers, Seb

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• jquery animation problem using stop

  - by Flanders

  Hi! When running a Jquery animation like slideDown(), it looks like a number of element-specific css properties is set to be updated at a specific interval and when the animation is complete these properties are unset and the display property is simply set to auto or whatever. At least in firebug you can't see those temporary properties any more. The problem I've encountered is the scenario where we stop the slide down with stop(). The element is then left with the current temporary css values. Which is fine because it has to, but let us say that I stoped the slidedown because I have decided to slide it back up again a bit prematurely. It would look something like this: $(this).slideDown(2000) //The below events is not in queue but will rather start execute almost simultaneously as the above line. (dont remember the exact syntax) $(this).delay(1000).stop().slideUp(2000) The above code might not make much sense, but the point is: After 1 second of sliding down the animation is stopped and it starts to slide back up. Works like a charm. BUT!!! And here is the problem. Once it it has slid back up the elements css properties are reset to the exact values it had 1000ms into the slideDown() animation (when stop() was called). If we now try to run the following: $(this).slideDown(2000) It will slide down to the very point the prior slideDown was aborted and not further at half the speed (since it uses the same time for approximately half the height). This is because the css properties were saved as I see it. But it is not especially wished for. Of course I want it to slide all the way down this time. Due to UI interaction that is hard to predict everything might soon break. The longer animations we use increases the risk of something like this happening. Is this to be considered a bug, or am I doing something wrong? Or maybe it's just a feature that is not supported? I guess I can use a callback function to reset the css properties, but depending on the animation used, different css properties are used to render it, and covering your back would result in quite a not-so-fancy solution.

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• jQuery .load(), don't show new content until images loaded

  - by Jarred

  Hi. I have been working on a jQuery photo slideshow. It scales the images to the browser size, and slides them left and right. There is no pre-determined size or aspect ratio, the script does everything on the fly. It requires that all images be fully loaded, so it can custom resize each individual image based on it's own aspect ratio ( width():height(), etc ), calculate the width of containing div, and calculate the slide distance from one image to another. As a stand-alone, it works pretty well (despite my lack of skills)! I simply hide the slideshow containing div at (document).ready, allow the images to load, then run the slideshow prep scripts at (window).load. Once this is done, it only then makes the slideshow divs, images, etc appear, properly sized, positioned and ready to roll. The ultimate goal is to be able to load in any number of slideshows without refreshing the page. The point of this is to be able to play uninterrupted background music. I know music on websites is annoying, but the target market likes it, a lot! I am using (target).load(page.php .element, function prepInsertNewShow() { //Prepare slideshow resizeImages(); slideArray(); //Show slideshow (target).fadeIn(); }); and it definitely works! The problem is that I cannot find a way to hold off on preparing and showing the new content until the images have finished loading. It is running the slideshow prep scripts (which are totally dependent on the images being fully loaded), before the images are loaded. This results in a completely jacked up show! What I want to do is this - (target).load(page.php .element, function prepInsertNewShow() { //Wait until images are loaded $('img').load( function() { //Prepare slideshow resizeImages(); slideArray(); //Show slideshow (target).fadeIn(); } }); But this doesn't seem to work, the new content is never shown. You can see a live version here. The initial gallery loads correctly, everything looks good. The only nav link that works is Galleries Engagement, which will load a new show (a containing div with multiple <img> tags). You will see that the images are not centered, the containing div and slide distances are much too small, as they were calculated using images that were not actually loaded. Is there any way I can delay handling and showing new content until it is fully loaded? Any suggestions would be most appreciated, thanks for your time! PS - It just occurred to me while typing this that a decent solution may be to insert "width=x" height="x" into the <img> tags, so the script can work from those values, even if the images have not loaded...hmm...

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• jQuery 1.5.1 vs 1.4.4 weirdness

  - by zobgib

  I have been getting some weird errors when I upgrade jQuery from 1.4.4 to 1.5.1. Maybe you guys can explain what I need to change or why the new version is not working. In 1.4.4 I have the following code <div class="navlink home" data-link="home"> <span class="top">Home</span> </div> <div id="index-03"> </div> <div class="navlink resume" data-link="resume"> <span class="top">Resume</span> </div> <div id="index-05"> </div> <div id="index-06"> </div> <div class="navlink portfolio" data-link="portfolio"> <span class="bottom">Portfolio</span> </div> JS: $(".navlink").hover( function () { $(this).delay(100).animate({backgroundPosition: "-100% 0"}, 400); $(this).find("span").css("textDecoration","underline"); }, function () { $(this).queue("fx", []); $(this).animate({backgroundPosition: "0% 0%"}, 400); $(this).find("span").css("textDecoration","none"); } ); Which works just fine. but when I switch jQuery versions by changing this line in my header from <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> to <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script> The above code quits animating and the background image just disappears. Here is a jsFiddle that shows what's happening just change the jQuery version on the side between 1.4.4 and 1.5.1 http://jsfiddle.net/fUXZ4/ -- 1.4.4 http://jsfiddle.net/3APCd/ -- 1.5.1 Here is a video of exactly what is happening to me: http://img.zobgib.com/2011-03-07_1905.swf

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• jQuery image loop not displaying any images

  - by user1871097

  I'm trying to create a very basic image gallery in jQuery. The goal is to have 3 images fade in and out in a sequential order. So image 1 is displayed, fades to image 2 etc. then the whole thing loops again. My HTML code so far is as follows: <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Slider</title> <style type="text/css"> .slider{ width: 2848px; height: 2136px; overflow: hidden; margin: 30px auto; } .slider img{ width:2848px; height:2136px; display:none; } </style> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.9.2/jquery-ui.min.js"></script> <script src="Slider2.js"></script> </head> <body onload="Slider2"();> <div class="slider"> <img id="1" src="31.jpg" border="0" alt="city"/> <img id="2" src="2vrtigo2.jpg" border="0" alt="roof"/> <img id="3" src="3.jpg" border="0" alt="sea"/> </div> </body> And the jQuery code looks like this: function Slider2() { var total = $(".slider img").size(); for (i=1; i<=total; i+=1) { $(".slider #"+i).fadeIn(600); $(".slider #"+i).delay(2000).hide; }} A quick syntactical note, I've also tried using i++ in the last argument of the For Loop. The result of this code is a blank, white page. I know some of the HTML is being compiled because the enormous 2848x2136 div creates scroll bars on the browser. If anyone could help me out, that would be greatly appreciated. Obviously I'm relatively new to web programming and would love some insight into why this isn't working. Thanks!

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• Nagios Creating lots of zombie process

  - by pradeepchhetri

  In my monitoring box, I have lots of zombie process created by nagios and they gets remove quickly also. I am using active checks to perform monitoring of my servers. I accumulated the defunct processes created using the following command: $ top -d 0.25 -b -n 20 > topout.txt This collected the output of top with 0.25s delay 20 times. I did grep on the topout.txt for the defunct process. $ cat topout.txt | grep defunct I get the following output. 8957 nagios 20 0 0 0 0 Z 6.0 0.0 0:00.02 nagios <defunct> 8951 nagios 20 0 0 0 0 Z 3.0 0.0 0:00.01 nagios <defunct> 8954 nagios 20 0 0 0 0 Z 3.0 0.0 0:00.01 nagios <defunct> 8945 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 8946 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 8980 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9000 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.00 nagios <defunct> 9024 nagios 20 0 0 0 0 Z 7.0 0.0 0:00.02 nagios <defunct> 9025 nagios 20 0 0 0 0 Z 3.5 0.0 0:00.01 nagios <defunct> 9040 nagios 20 0 0 0 0 Z 3.1 0.0 0:00.01 nagios <defunct> 9086 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9087 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9123 nagios 20 0 0 0 0 Z 6.1 0.0 0:00.02 nagios <defunct> 9126 nagios 20 0 0 0 0 Z 3.0 0.0 0:00.01 nagios <defunct> 9131 nagios 20 0 0 0 0 Z 3.0 0.0 0:00.01 nagios <defunct> 9091 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.05 nagios <defunct> 9111 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9119 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9118 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9151 nagios 20 0 0 0 0 Z 2.9 0.0 0:00.02 nagios <defunct> 9153 nagios 20 0 0 0 0 Z 2.9 0.0 0:00.02 nagios <defunct> 9150 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9164 nagios 20 0 0 0 0 Z 3.5 0.0 0:00.02 nagios <defunct> 9171 nagios 20 0 0 0 0 Z 3.5 0.0 0:00.02 nagios <defunct> 9154 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9156 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9163 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9167 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9178 nagios 20 0 0 0 0 Z 3.8 0.0 0:00.02 nagios <defunct> 9174 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9179 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> 9182 nagios 20 0 0 0 0 Z 0.0 0.0 0:00.01 nagios <defunct> Can somebody help me in finding out the reason of these zombie processes and how i can prevent these zombie processes ?

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• HP SmartArray P400: How to repair failed logical drive?

  - by TegtmeierDE

  I have a HP Server with SmartArray P400 controller (incl. 256 MB Cache/Battery Backup) with a logicaldrive with replaced failed physicaldrive that does not rebuild. This is how it looked when I detected the error: ~# /usr/sbin/hpacucli ctrl slot=0 show config Smart Array P400 in Slot 0 (Embedded) (sn: XXXX) array A (SATA, Unused Space: 0 MB) logicaldrive 1 (698.6 GB, RAID 1, OK) physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SATA, 750 GB, OK) physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SATA, 750 GB, OK) array B (SATA, Unused Space: 0 MB) logicaldrive 2 (2.7 TB, RAID 5, Failed) physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SATA, 750 GB, OK) physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SATA, 750 GB, OK) physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SATA, 750 GB, OK) physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SATA, 750 GB, Failed) physicaldrive 2I:1:7 (port 2I:box 1:bay 7, SATA, 750 GB, OK) unassigned physicaldrive 2I:1:8 (port 2I:box 1:bay 8, SATA, 750 GB, OK) ~# I thought that I had drive 2I:1:8 configured as a spare for Array A and Array B, but it seems this was not the case :-(. I noticed the problem due to I/O errors on the host, even if only 1 physicaldrive of the RAID5 is failed. Does someone know why this could happen? The logicaldrive should go into "Degraded" mode but still be fully accessible from the host os!? I first tried to add the unassigned drive 2I:1:8 as a spare to logicaldrive 2, but this was not possible: ~# /usr/sbin/hpacucli ctrl slot=0 array B add spares=2I:1:8 Error: This operation is not supported with the current configuration. Use the "show" command on devices to show additional details about the configuration. ~# Interestingly it is possible to add the unassigned drive to the first array without problems. I thought maybe the controller put the array into "failed" state due to the missing spare and protects failed arrays from modification. So I tried was to reenable the logicaldrive (to add the spare afterwards): ~# /usr/sbin/hpacucli ctrl slot=0 ld 2 modify reenable Warning: Any previously existing data on the logical drive may not be valid or recoverable. Continue? (y/n) y Error: This operation is not supported with the current configuration. Use the "show" command on devices to show additional details about the configuration. ~# But as you can see, re-enabling the logicaldrive this was not possible. Now I replaced the failed drive by hotswapping it with the unassigned drive. The status now looks like this: ~# /usr/sbin/hpacucli ctrl slot=0 show config Smart Array P400 in Slot 0 (Embedded) (sn: XXXX) array A (SATA, Unused Space: 0 MB) logicaldrive 1 (698.6 GB, RAID 1, OK) physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SATA, 750 GB, OK) physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SATA, 750 GB, OK) array B (SATA, Unused Space: 0 MB) logicaldrive 2 (2.7 TB, RAID 5, Failed) physicaldrive 1I:1:3 (port 1I:box 1:bay 3, SATA, 750 GB, OK) physicaldrive 1I:1:4 (port 1I:box 1:bay 4, SATA, 750 GB, OK) physicaldrive 2I:1:5 (port 2I:box 1:bay 5, SATA, 750 GB, OK) physicaldrive 2I:1:6 (port 2I:box 1:bay 6, SATA, 750 GB, OK) physicaldrive 2I:1:7 (port 2I:box 1:bay 7, SATA, 750 GB, OK) ~# The logical drive is still not accessible. Why is it not rebuilding? What can I do? FYI, this is the configuration of my controller: ~# /usr/sbin/hpacucli ctrl slot=0 show Smart Array P400 in Slot 0 (Embedded) Bus Interface: PCI Slot: 0 Serial Number: XXXX Cache Serial Number: XXXX RAID 6 (ADG) Status: Enabled Controller Status: OK Chassis Slot: Hardware Revision: Rev E Firmware Version: 5.22 Rebuild Priority: Medium Expand Priority: Medium Surface Scan Delay: 15 secs Surface Analysis Inconsistency Notification: Disabled Raid1 Write Buffering: Disabled Post Prompt Timeout: 0 secs Cache Board Present: True Cache Status: OK Accelerator Ratio: 25% Read / 75% Write Drive Write Cache: Disabled Total Cache Size: 256 MB No-Battery Write Cache: Disabled Cache Backup Power Source: Batteries Battery/Capacitor Count: 1 Battery/Capacitor Status: OK SATA NCQ Supported: True ~# Thanks for you help in advance.

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• Indesign Import XML into Automatic Page generation, data merge

  - by taudep

  I've created some InDesign Pages that I want to use as templates. I've created an XML file with all the appropriate data. I want to merge the XML data with the InDesign page and have a few hundred pages automatically generated. I've been reading online and working with InDesign's "Import XML" features without any luck. The documentation has been pretty poor for me. And Google searches haven't returned much fruitful. Edit: I'm updating this to now include my present steps 1) I create a Master Page of my template 2) I add a bunch of text frames where I want the imported data from the XML file to be places 3) I open the "Tags" window and Import and XML file 4) I mark my text frames in the Master Document with the appropriate tags 5) I then add a lot of pages (like 200) to the document 6) Then I use "Import XML" to try and get the data brought in and filled across all 200 pages. This is where I fail. So there's something I'm missing. It might be that InDesign doesn't work as I'm expecting... Anyone have any good tips for mail-merge like functionality with an XML document and auto-generation of InDesign pages? BTW, here's an example of Adobe's great documentation for merging repeated XML elements. There's gotta be more...InDesign CS4 Docs: XML-Importing XML-Working with Repeating Data EDIT: Here's some of the sample XML, notice the ITEM will repeat. I've also truncated the data in the "desc" tag: <output> <item> <user_name>taude</user_name> <date>2009-02-21</date> <title>Wishful Thinking</title> <desc>Skiing up in Vermont on a beautiful day. This photo of</desc> <thumbnail>http://www.blipfoto.com/thumbs/5371/2009/big/color/96104200949a162672e1996.15963073.jpeg</thumbnail> </item> <item> <user_name>taude</user_name> <date>2009-02-22</date> <title>Skiing Self Portrait</title> <desc>I was inspired by ML's self-portrait while </desc> <thumbnail>http://www.blipfoto.com/thumbs/5371/2009/big/color/36547696749a2c5782308e0.91477014.jpeg</thumbnail> </item> </output> Here's what my imported XML looks like with the InDesign Structure

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• connect() failed (111: Connection refused) while connecting to upstream

  - by Burning the Codeigniter

  I'm experiencing 502 gateway errors when accessing a PHP file in a directory (http://domain.com/dev/index.php), the logs simply says this: 2011/09/30 23:47:54 [error] 31160#0: *35 connect() failed (111: Connection refused) while connecting to upstream, client: xx.xx.xx.xx, server: domain.com, request: "GET /dev/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "domain.com" I've never experienced this before, how do I do a solution for this type of 502 gateway error? This is the nginx.conf: user www-data; worker_processes 4; pid /var/run/nginx.pid; events { worker_connections 768; # multi_accept on; } http { ## # Basic Settings ## sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; # server_tokens off; # server_names_hash_bucket_size 64; # server_name_in_redirect off; include /etc/nginx/mime.types; default_type application/octet-stream; ## # Logging Settings ## access_log /var/log/nginx/access.log; error_log /var/log/nginx/error.log; ## # Gzip Settings ## gzip on; gzip_disable "msie6"; # gzip_vary on; # gzip_proxied any; # gzip_comp_level 6; # gzip_buffers 16 8k; # gzip_http_version 1.1; # gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript; ## # Virtual Host Configs ## include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; } #mail { # # See sample authentication script at: # # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript # # # auth_http localhost/auth.php; # # pop3_capabilities "TOP" "USER"; # # imap_capabilities "IMAP4rev1" "UIDPLUS"; # # server { # listen localhost:110; # protocol pop3; # proxy on; # } # # server { # listen localhost:143; # protocol imap; # proxy on; # } #}

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• dbus dependency with yum

  - by Hengjie

  Whenever, I try and run yum update I get the following error: [root@server ~]# yum update Loaded plugins: dellsysid, fastestmirror Loading mirror speeds from cached hostfile * base: mirror01.idc.hinet.net * extras: mirror01.idc.hinet.net * rpmforge: fr2.rpmfind.net * updates: mirror01.idc.hinet.net Excluding Packages in global exclude list Finished Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package NetworkManager.x86_64 1:0.7.0-13.el5 set to be updated ---> Package NetworkManager-glib.x86_64 1:0.7.0-13.el5 set to be updated ---> Package SysVinit.x86_64 0:2.86-17.el5 set to be updated ---> Package acl.x86_64 0:2.2.39-8.el5 set to be updated ---> Package acpid.x86_64 0:1.0.4-12.el5 set to be updated ---> Package apr.x86_64 0:1.2.7-11.el5_6.5 set to be updated ---> Package aspell.x86_64 12:0.60.3-12 set to be updated ---> Package audit.x86_64 0:1.8-2.el5 set to be updated ---> Package audit-libs.x86_64 0:1.8-2.el5 set to be updated ---> Package audit-libs-python.x86_64 0:1.8-2.el5 set to be updated ---> Package authconfig.x86_64 0:5.3.21-7.el5 set to be updated ---> Package autofs.x86_64 1:5.0.1-0.rc2.163.el5 set to be updated ---> Package bash.x86_64 0:3.2-32.el5 set to be updated ---> Package bind.x86_64 30:9.3.6-20.P1.el5 set to be updated ---> Package bind-libs.x86_64 30:9.3.6-20.P1.el5 set to be updated ---> Package bind-utils.x86_64 30:9.3.6-20.P1.el5 set to be updated ---> Package binutils.x86_64 0:2.17.50.0.6-20.el5 set to be updated ---> Package centos-release.x86_64 10:5-8.el5.centos set to be updated ---> Package centos-release-notes.x86_64 0:5.8-0 set to be updated ---> Package coreutils.x86_64 0:5.97-34.el5_8.1 set to be updated ---> Package cpp.x86_64 0:4.1.2-52.el5 set to be updated ---> Package cpuspeed.x86_64 1:1.2.1-10.el5 set to be updated ---> Package crash.x86_64 0:5.1.8-1.el5.centos set to be updated ---> Package cryptsetup-luks.x86_64 0:1.0.3-8.el5 set to be updated ---> Package cups.x86_64 1:1.3.7-30.el5 set to be updated ---> Package cups-libs.x86_64 1:1.3.7-30.el5 set to be updated ---> Package curl.x86_64 0:7.15.5-15.el5 set to be updated --> Processing Dependency: dbus = 1.1.2-15.el5_6 for package: dbus-libs ---> Package dbus.x86_64 0:1.1.2-16.el5_7 set to be updated ---> Package dbus-libs.x86_64 0:1.1.2-16.el5_7 set to be updated ---> Package device-mapper.x86_64 0:1.02.67-2.el5 set to be updated ---> Package device-mapper-event.x86_64 0:1.02.67-2.el5 set to be updated ---> Package device-mapper-multipath.x86_64 0:0.4.7-48.el5_8.1 set to be updated ---> Package dhclient.x86_64 12:3.0.5-31.el5 set to be updated ---> Package dmidecode.x86_64 1:2.11-1.el5 set to be updated ---> Package dmraid.x86_64 0:1.0.0.rc13-65.el5 set to be updated ---> Package dmraid-events.x86_64 0:1.0.0.rc13-65.el5 set to be updated ---> Package dump.x86_64 0:0.4b41-6.el5 set to be updated ---> Package e2fsprogs.x86_64 0:1.39-33.el5 set to be updated ---> Package e2fsprogs-devel.x86_64 0:1.39-33.el5 set to be updated ---> Package e2fsprogs-libs.x86_64 0:1.39-33.el5 set to be updated ---> Package ecryptfs-utils.x86_64 0:75-8.el5 set to be updated ---> Package file.x86_64 0:4.17-21 set to be updated ---> Package finger.x86_64 0:0.17-33 set to be updated ---> Package firstboot-tui.x86_64 0:1.4.27.9-1.el5.centos set to be updated ---> Package freetype.x86_64 0:2.2.1-28.el5_7.2 set to be updated ---> Package freetype-devel.x86_64 0:2.2.1-28.el5_7.2 set to be updated ---> Package ftp.x86_64 0:0.17-37.el5 set to be updated ---> Package gamin.x86_64 0:0.1.7-10.el5 set to be updated ---> Package gamin-python.x86_64 0:0.1.7-10.el5 set to be updated ---> Package gawk.x86_64 0:3.1.5-15.el5 set to be updated ---> Package gcc.x86_64 0:4.1.2-52.el5 set to be updated ---> Package gcc-c++.x86_64 0:4.1.2-52.el5 set to be updated ---> Package glibc.i686 0:2.5-81.el5_8.1 set to be updated ---> Package glibc.x86_64 0:2.5-81.el5_8.1 set to be updated ---> Package glibc-common.x86_64 0:2.5-81.el5_8.1 set to be updated ---> Package glibc-devel.x86_64 0:2.5-81.el5_8.1 set to be updated ---> Package glibc-headers.x86_64 0:2.5-81.el5_8.1 set to be updated ---> Package gnutls.x86_64 0:1.4.1-7.el5_8.2 set to be updated ---> Package groff.x86_64 0:1.18.1.1-13.el5 set to be updated ---> Package gtk2.x86_64 0:2.10.4-21.el5_7.7 set to be updated ---> Package gzip.x86_64 0:1.3.5-13.el5.centos set to be updated ---> Package hmaccalc.x86_64 0:0.9.6-4.el5 set to be updated ---> Package htop.x86_64 0:1.0.1-2.el5.rf set to be updated ---> Package hwdata.noarch 0:0.213.26-1.el5 set to be updated ---> Package ifd-egate.x86_64 0:0.05-17.el5 set to be updated ---> Package initscripts.x86_64 0:8.45.42-1.el5.centos set to be updated ---> Package iproute.x86_64 0:2.6.18-13.el5 set to be updated ---> Package iptables.x86_64 0:1.3.5-9.1.el5 set to be updated ---> Package iptables-ipv6.x86_64 0:1.3.5-9.1.el5 set to be updated ---> Package iscsi-initiator-utils.x86_64 0:6.2.0.872-13.el5 set to be updated ---> Package kernel.x86_64 0:2.6.18-308.1.1.el5 set to be installed ---> Package kernel-headers.x86_64 0:2.6.18-308.1.1.el5 set to be updated ---> Package kpartx.x86_64 0:0.4.7-48.el5_8.1 set to be updated ---> Package krb5-devel.x86_64 0:1.6.1-70.el5 set to be updated ---> Package krb5-libs.x86_64 0:1.6.1-70.el5 set to be updated ---> Package krb5-workstation.x86_64 0:1.6.1-70.el5 set to be updated ---> Package ksh.x86_64 0:20100621-5.el5_8.1 set to be updated ---> Package kudzu.x86_64 0:1.2.57.1.26-3.el5.centos set to be updated ---> Package less.x86_64 0:436-9.el5 set to be updated ---> Package lftp.x86_64 0:3.7.11-7.el5 set to be updated ---> Package libX11.x86_64 0:1.0.3-11.el5_7.1 set to be updated ---> Package libX11-devel.x86_64 0:1.0.3-11.el5_7.1 set to be updated ---> Package libXcursor.x86_64 0:1.1.7-1.2 set to be updated ---> Package libacl.x86_64 0:2.2.39-8.el5 set to be updated ---> Package libgcc.x86_64 0:4.1.2-52.el5 set to be updated ---> Package libgomp.x86_64 0:4.4.6-3.el5.1 set to be updated ---> Package libpng.x86_64 2:1.2.10-16.el5_8 set to be updated ---> Package libpng-devel.x86_64 2:1.2.10-16.el5_8 set to be updated ---> Package libsmbios.x86_64 0:2.2.27-3.2.el5 set to be updated ---> Package libstdc++.x86_64 0:4.1.2-52.el5 set to be updated ---> Package libstdc++-devel.x86_64 0:4.1.2-52.el5 set to be updated ---> Package libsysfs.x86_64 0:2.1.0-1.el5 set to be updated ---> Package libusb.x86_64 0:0.1.12-6.el5 set to be updated ---> Package libvolume_id.x86_64 0:095-14.27.el5_7.1 set to be updated ---> Package libxml2.x86_64 0:2.6.26-2.1.15.el5_8.2 set to be updated ---> Package libxml2-python.x86_64 0:2.6.26-2.1.15.el5_8.2 set to be updated ---> Package logrotate.x86_64 0:3.7.4-12 set to be updated ---> Package lsof.x86_64 0:4.78-6 set to be updated ---> Package lvm2.x86_64 0:2.02.88-7.el5 set to be updated ---> Package m2crypto.x86_64 0:0.16-8.el5 set to be updated ---> Package man.x86_64 0:1.6d-2.el5 set to be updated ---> Package man-pages.noarch 0:2.39-20.el5 set to be updated ---> Package mcelog.x86_64 1:0.9pre-1.32.el5 set to be updated ---> Package mesa-libGL.x86_64 0:6.5.1-7.10.el5 set to be updated ---> Package mesa-libGL-devel.x86_64 0:6.5.1-7.10.el5 set to be updated ---> Package microcode_ctl.x86_64 2:1.17-1.56.el5 set to be updated ---> Package mkinitrd.x86_64 0:5.1.19.6-75.el5 set to be updated ---> Package mktemp.x86_64 3:1.5-24.el5 set to be updated --> Processing Dependency: nash = 5.1.19.6-68.el5_6.1 for package: mkinitrd ---> Package nash.x86_64 0:5.1.19.6-75.el5 set to be updated ---> Package net-snmp.x86_64 1:5.3.2.2-17.el5 set to be updated ---> Package net-snmp-devel.x86_64 1:5.3.2.2-17.el5 set to be updated ---> Package net-snmp-libs.x86_64 1:5.3.2.2-17.el5 set to be updated ---> Package net-snmp-utils.x86_64 1:5.3.2.2-17.el5 set to be updated ---> Package net-tools.x86_64 0:1.60-82.el5 set to be updated ---> Package nfs-utils.x86_64 1:1.0.9-60.el5 set to be updated ---> Package nfs-utils-lib.x86_64 0:1.0.8-7.9.el5 set to be updated ---> Package nscd.x86_64 0:2.5-81.el5_8.1 set to be updated ---> Package nspr.x86_64 0:4.8.9-1.el5_8 set to be updated ---> Package nspr-devel.x86_64 0:4.8.9-1.el5_8 set to be updated ---> Package nss.x86_64 0:3.13.1-5.el5_8 set to be updated ---> Package nss-devel.x86_64 0:3.13.1-5.el5_8 set to be updated ---> Package nss-tools.x86_64 0:3.13.1-5.el5_8 set to be updated ---> Package nss_ldap.x86_64 0:253-49.el5 set to be updated ---> Package ntp.x86_64 0:4.2.2p1-15.el5.centos.1 set to be updated ---> Package numactl.x86_64 0:0.9.8-12.el5_6 set to be updated ---> Package oddjob.x86_64 0:0.27-12.el5 set to be updated ---> Package oddjob-libs.x86_64 0:0.27-12.el5 set to be updated ---> Package openldap.x86_64 0:2.3.43-25.el5 set to be updated ---> Package openssh.x86_64 0:4.3p2-82.el5 set to be updated ---> Package openssh-clients.x86_64 0:4.3p2-82.el5 set to be updated ---> Package openssh-server.x86_64 0:4.3p2-82.el5 set to be updated ---> Package openssl.i686 0:0.9.8e-22.el5_8.1 set to be updated ---> Package openssl.x86_64 0:0.9.8e-22.el5_8.1 set to be updated ---> Package openssl-devel.x86_64 0:0.9.8e-22.el5_8.1 set to be updated ---> Package pam_krb5.x86_64 0:2.2.14-22.el5 set to be updated ---> Package pam_pkcs11.x86_64 0:0.5.3-26.el5 set to be updated ---> Package pango.x86_64 0:1.14.9-8.el5.centos.3 set to be updated ---> Package parted.x86_64 0:1.8.1-29.el5 set to be updated ---> Package pciutils.x86_64 0:3.1.7-5.el5 set to be updated ---> Package perl.x86_64 4:5.8.8-38.el5 set to be updated ---> Package perl-Compress-Raw-Bzip2.x86_64 0:2.037-1.el5.rf set to be updated ---> Package perl-Compress-Raw-Zlib.x86_64 0:2.037-1.el5.rf set to be updated ---> Package perl-rrdtool.x86_64 0:1.4.7-1.el5.rf set to be updated ---> Package poppler.x86_64 0:0.5.4-19.el5 set to be updated ---> Package poppler-utils.x86_64 0:0.5.4-19.el5 set to be updated ---> Package popt.x86_64 0:1.10.2.3-28.el5_8 set to be updated ---> Package postgresql-libs.x86_64 0:8.1.23-1.el5_7.3 set to be updated ---> Package procps.x86_64 0:3.2.7-18.el5 set to be updated ---> Package proftpd.x86_64 0:1.3.4a-1.el5.rf set to be updated --> Processing Dependency: perl(Mail::Sendmail) for package: proftpd ---> Package python.x86_64 0:2.4.3-46.el5 set to be updated ---> Package python-ctypes.x86_64 0:1.0.2-3.el5 set to be updated ---> Package python-libs.x86_64 0:2.4.3-46.el5 set to be updated ---> Package python-smbios.x86_64 0:2.2.27-3.2.el5 set to be updated ---> Package rhpl.x86_64 0:0.194.1-2 set to be updated ---> Package rmt.x86_64 0:0.4b41-6.el5 set to be updated ---> Package rng-utils.x86_64 1:2.0-5.el5 set to be updated ---> Package rpm.x86_64 0:4.4.2.3-28.el5_8 set to be updated ---> Package rpm-build.x86_64 0:4.4.2.3-28.el5_8 set to be updated ---> Package rpm-devel.x86_64 0:4.4.2.3-28.el5_8 set to be updated ---> Package rpm-libs.x86_64 0:4.4.2.3-28.el5_8 set to be updated ---> Package rpm-python.x86_64 0:4.4.2.3-28.el5_8 set to be updated ---> Package rrdtool.x86_64 0:1.4.7-1.el5.rf set to be updated ---> Package rsh.x86_64 0:0.17-40.el5_7.1 set to be updated ---> Package rsync.x86_64 0:3.0.6-4.el5_7.1 set to be updated ---> Package ruby.x86_64 0:1.8.5-24.el5 set to be updated ---> Package ruby-libs.x86_64 0:1.8.5-24.el5 set to be updated ---> Package sblim-sfcb.x86_64 0:1.3.11-49.el5 set to be updated ---> Package sblim-sfcc.x86_64 0:2.2.2-49.el5 set to be updated ---> Package selinux-policy.noarch 0:2.4.6-327.el5 set to be updated ---> Package selinux-policy-targeted.noarch 0:2.4.6-327.el5 set to be updated ---> Package setup.noarch 0:2.5.58-9.el5 set to be updated ---> Package shadow-utils.x86_64 2:4.0.17-20.el5 set to be updated ---> Package smartmontools.x86_64 1:5.38-3.el5 set to be updated ---> Package smbios-utils-bin.x86_64 0:2.2.27-3.2.el5 set to be updated ---> Package smbios-utils-python.x86_64 0:2.2.27-3.2.el5 set to be updated ---> Package sos.noarch 0:1.7-9.62.el5 set to be updated ---> Package srvadmin-omilcore.x86_64 0:6.5.0-1.452.1.el5 set to be updated ---> Package strace.x86_64 0:4.5.18-11.el5_8 set to be updated ---> Package subversion.x86_64 0:1.6.11-7.el5_6.4 set to be updated ---> Package sudo.x86_64 0:1.7.2p1-13.el5 set to be updated ---> Package sysfsutils.x86_64 0:2.1.0-1.el5 set to be updated ---> Package syslinux.x86_64 0:3.11-7 set to be updated ---> Package system-config-network-tui.noarch 0:1.3.99.21-1.el5 set to be updated ---> Package talk.x86_64 0:0.17-31.el5 set to be updated ---> Package tar.x86_64 2:1.15.1-31.el5 set to be updated ---> Package traceroute.x86_64 3:2.0.1-6.el5 set to be updated ---> Package tzdata.x86_64 0:2012b-3.el5 set to be updated ---> Package udev.x86_64 0:095-14.27.el5_7.1 set to be updated ---> Package util-linux.x86_64 0:2.13-0.59.el5 set to be updated ---> Package vixie-cron.x86_64 4:4.1-81.el5 set to be updated ---> Package wget.x86_64 0:1.11.4-3.el5_8.1 set to be updated ---> Package xinetd.x86_64 2:2.3.14-16.el5 set to be updated ---> Package yp-tools.x86_64 0:2.9-2.el5 set to be updated ---> Package ypbind.x86_64 3:1.19-12.el5_6.1 set to be updated ---> Package yum.noarch 0:3.2.22-39.el5.centos set to be updated ---> Package yum-dellsysid.x86_64 0:2.2.27-3.2.el5 set to be updated ---> Package yum-fastestmirror.noarch 0:1.1.16-21.el5.centos set to be updated ---> Package zlib.x86_64 0:1.2.3-4.el5 set to be updated ---> Package zlib-devel.x86_64 0:1.2.3-4.el5 set to be updated --> Running transaction check --> Processing Dependency: dbus = 1.1.2-15.el5_6 for package: dbus-libs --> Processing Dependency: nash = 5.1.19.6-68.el5_6.1 for package: mkinitrd ---> Package perl-Mail-Sendmail.noarch 0:0.79-1.2.el5.rf set to be updated base/filelists | 3.5 MB 00:00 dell-omsa-indep/filelists | 195 kB 00:01 dell-omsa-specific/filelists | 1.0 kB 00:00 extras/filelists_db | 224 kB 00:00 rpmforge/filelists | 4.8 MB 00:06 updates/filelists_db | 715 kB 00:00 --> Finished Dependency Resolution dbus-libs-1.1.2-15.el5_6.i386 from installed has depsolving problems --> Missing Dependency: dbus = 1.1.2-15.el5_6 is needed by package dbus-libs-1.1.2-15.el5_6.i386 (installed) mkinitrd-5.1.19.6-68.el5_6.1.i386 from installed has depsolving problems --> Missing Dependency: nash = 5.1.19.6-68.el5_6.1 is needed by package mkinitrd-5.1.19.6-68.el5_6.1.i386 (installed) Error: Missing Dependency: nash = 5.1.19.6-68.el5_6.1 is needed by package mkinitrd-5.1.19.6-68.el5_6.1.i386 (installed) Error: Missing Dependency: dbus = 1.1.2-15.el5_6 is needed by package dbus-libs-1.1.2-15.el5_6.i386 (installed) You could try using --skip-broken to work around the problem You could try running: package-cleanup --problems package-cleanup --dupes rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package. I have tried running package-cleanup --dupes and package-cleanup --problems but to no avail.

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• Sendmail - Multiple Domains, One Box - Blocking One Or Two Domains

  - by TangoOversway

  I have a number of domains hosted at a web hosting service. They use sendmail to handle incoming email. I have six domains on this service (which we can call aaa.com, bbb.com and so on). Each email account has the same name and one email box. In other words, [email protected], [email protected], [email protected] and all the others go into one box, /var/spool/mail/tango, where my email program on my desktop picks it up. I have done very little work in sendmail. I haven't had to, and I've been warned it's a steep learning curve. But now I'm running into an issue. I was in a business situation where, for years, my email address was on the website for aaa.com. (We won't go into why this was necessary - it wasn't my preference and it's in the past.) Now I'm using [email protected] instead of [email protected]. I was getting about 1,000 or more pieces of spam a day, but SpamAssassin and my own email program caught about 75% of that. (Which still left stuff to delete.) Now, after checking, I see that 90% or more goes to [email protected], the one that was on the web for years. I'd like to deactivate [email protected] and possibly [email protected] and [email protected], but want to keep using [email protected]. Remember, email to tango at any of these domains will go into one email box. I've had people tell me that sendmail can be configured so I can deactivate [email protected] (and other domains) and still use [email protected] (and others, if I want to). In other words, I can configure sendmail to use this account on some domains and not others. One of the people who was teling me this was in tech support at the hosting service. But I wrote to tech support with a work order to do this and now I'm told it can't be done. I can modify config files myself on this account if needed, but I was hoping to just let them do it. (I love delegation -- it means I spend more time doing my stuff.) Is it possible to keep an email account active on one domain and not others with sendmail, when all domains are hosted on the same server? Is there a name for this process or setting? Any information would be helpful - either pointers to instructions so I can do it, or enough info so I can tell tech support, "This is where to look, and it can be done, so please pass my request on to someone who works with sendmail and knows how to do it." Is this something sendmail can do?

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• passwd ldap request to ActiveDirectory fails on half of 2500 users

  - by groovehunter

  We just setup ActiveDirectory in my company and imported all linux users and groups. On the linux client: (configured to ask ldap in nsswitch.conf): If i do a common ldapsearch to the AD ldap server i get the complete number of about 2580 users. But if i do this it only gets a part of all users, 1221 in number: getent passwd | wc -l Running it with strace shows kind of attempt to reconnect My ideas were: Does the linux authentication procedure run ldapsearch with a parameter incompatible to AD ldap ? Or probably it is a encoding issue. The windows user are entered in AD with all kind of characters. Maybe someone could shed light on this and give a hint how to debug that further!? Here's our ldap.conf host audc01.mycompany.de audc03.mycompany.de base ou=location,dc=mycompany,dc=de ldap_version 3 binddn cn=manager,ou=location,dc=mycompany,dc=de bindpw Password timelimit 120 idle_timelimit 3600 nss_base_passwd cn=users,cn=import,ou=location,dc=mycompany,dc=de?sub nss_base_group ou=location,dc=mycompany,dc=de?sub # RFC 2307 (AD) mappings nss_map_objectclass posixAccount User # nss_map_objectclass shadowAccount User nss_map_objectclass posixGroup Group nss_map_attribute uid sAMAccountName nss_map_attribute cn sAMAccountName # Display Name nss_map_attribute gecos cn ## nss_map_attribute homeDirectory unixHomeDirectory nss_map_attribute loginShell msSFU30LoginShell # PAM attributes pam_login_attribute sAMAccountName # Location based login pam_groupdn CN=Location-AU-Login,OU=au,OU=Location,DC=mycompany,DC=de pam_member_attribute msSFU30PosixMember ## pam_lookup_policy yes pam_filter objectclass=User nss_initgroups_ignoreusers avahi,avahi-autoipd,backup,bin,couchdb,daemon,games,gdm,gnats,haldaemon,hplip,irc,kernoops,libuuid,list,lp,mail,man,messagebus,news,proxy,pulse,root,rtkit,saned,speech-dispatcher,statd,sync,sys,syslog,usbmux,uucp,www-data and here the stacktrace from strace getent passwd poll([{fd=4, events=POLLIN|POLLPRI|POLLERR|POLLHUP}], 1, 120000) = 1 ([{fd=4, revents=POLLIN}]) read(4, "0\204\0\0\0A\2\1", 8) = 8 read(4, "\4e\204\0\0\0\7\n\1\0\4\0\4\0\240\204\0\0\0+0\204\0\0\0%\4\0261.2."..., 63) = 63 stat64("/etc/ldap.conf", {st_mode=S_IFREG|0644, st_size=1151, ...}) = 0 geteuid32() = 12560 getsockname(4, {sa_family=AF_INET, sin_port=htons(60334), sin_addr=inet_addr("10.1.35.51")}, [16]) = 0 getpeername(4, {sa_family=AF_INET, sin_port=htons(389), sin_addr=inet_addr("10.1.5.81")}, [16]) = 0 time(NULL) = 1297684722 rt_sigaction(SIGPIPE, {SIG_DFL, [], 0}, NULL, 8) = 0 munmap(0xb7617000, 1721) = 0 close(3) = 0 rt_sigaction(SIGPIPE, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGPIPE, {SIG_DFL, [], 0}, NULL, 8) = 0 rt_sigaction(SIGPIPE, {SIG_IGN, [], 0}, {SIG_DFL, [], 0}, 8) = 0 write(4, "0\5\2\1\5B\0", 7) = 7 shutdown(4, 2 /* send and receive */) = 0 close(4) = 0 shutdown(-1, 2 /* send and receive */) = -1 EBADF (Bad file descriptor) close(-1) = -1 EBADF (Bad file descriptor) exit_group(0) = ?

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