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  • why is rdiff-backup not compatible with encfs ---reverse

    - by user330273
    I'm trying to use encfs with rdiff-backup to ensure that my backups to a remote server are encrypted. The easiest way to do this would be to use encfs --reverse - which means encfs will create a virtual encrypted file system, which I can then backup using rdiff-backup. Except that it doesn't work. Rdiff-backup fails every time with an "input/output error" on the encfs virtual filesystem. It seems I'm not the only one with this problem, but no one has said what the problem is: this person reported the same issue, but was just told to use sshfs instead (see below on that); in this question on serverfault, one of the answers just states that "rdiff-backup seems to have trouble accessing the EncFS-reverse filesystem." There's an open bug report on the Debian bug tracker(bug 731413, I can't post the link) on this bug, but it's been open since December 2013 with no response. Does anyone know what the problem actually is? Is there a workaround? I can't use the two most commonly suggested alternatives - sshfs and then running encfs on that, or using Duplicity - as both require a much higher bandwidth connection than I have access to (Duplicity requires regular full backups).

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  • Using IIS7 as a reverse proxy

    - by Eric Petroelje
    I'm setting up a server at home to host a few small websites. One of them is .NET based and needs IIS, the others are PHP based and need Apache. So, I have both IIS 7 and Apache 2.2.x installed on my server with IIS on port 80 and Apache running on port 8080. I would like to set up IIS to work as a reverse proxy, forwarding the requests for the Apache sites to port 8080 and serving the requests for the .NET site itself based on the host headers. Like this: www.mydotnetsite.com/* -> IIS -> serve from IIS www.myapachesite.com/* -> IIS -> forward to apache on port 8080 www.myothersite.com/* -> IIS -> forward to apache on port 8080 I did a bit of googling and it seemed like the Application Request Routing feature would do what I needed, but I can't seem to get it to work the way I want it to. I can get it to forward ALL traffic to the Apache server and I can get it to forward traffic with a specific URL pattern to the Apache server, but I can't seem to get it to forward based on the host headers (e.g. "forward all requests for www.apachesite.com - localhost:8080") So the question is, how would I go about configuring ARR to do this? Or do I need a different tool? I'm also open to using Apache as the reverse proxy and forwarding the .NET site requests to IIS instead if that's easier (running Apache on port 80 and IIS on 8080).

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  • Reverse and Forward DNS set up correctly but sometimes MapReduce job fails

    - by phodamentals
    Ever since we switched over our cluster to communicate via private interfaces and created a DNS server with correct forward and reverse lookup zones, we get this message before the M/R job runs: ERROR org.apache.hadoop.hbase.mapreduce.TableInputFormatBase - Cannot resolve the host name for /192.168.3.9 because of javax.naming.NameNotFoundException: DNS name not found [response code 3]; remaining name '9.3.168.192.in-addr.arpa' A dig and nslookup both show that the reverse and forward look-ups both get good responses with no errors from within the cluster. Shortly after these messages, the job runs...but every once in awhile we get a NPE: Exception in thread "main" java.lang.NullPointerException INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.net.DNS.reverseDns(DNS.java:93) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.reverseDNS(TableInputFormatBase.java:219) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:184) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:1063) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1080) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:174) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:992) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:945) INFO app.insights.search.SearchIndexUpdater - at java.security.AccessController.doPrivileged(Native Method) INFO app.insights.search.SearchIndexUpdater - at javax.security.auth.Subject.doAs(Subject.java:415) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:945) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapreduce.Job.submit(Job.java:566) INFO app.insights.search.SearchIndexUpdater - at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:596) INFO app.insights.search.SearchIndexUpdater - at app.insights.search.correlator.comments.CommentCorrelator.main(CommentCorrelator.java:72 Does anyone else who has set-up a CDH Hadoop cluster on a private network w/DNS server get this? CDH 4.3.1 with MR1 2.0.0 and HBase 0.94.6

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  • Why always fires OnFailure when return View() to Ajax Form ?

    - by Wahid Bitar
    I'm trying to make a log-in log-off with Ajax supported. I made some logic in my controller to sign the user in and then return simple partial containing welcome message and log-Off ActionLink my Action method looks like this : public ActionResult LogOn(LogOnModel model, string returnUrl) { if (ModelState.IsValid) { if (MembershipService.ValidateUser(model.UserName, model.Password)) { FormsService.SignIn(model.UserName, model.RememberMe); if (Request.IsAjaxRequest()) { //HERE IS THE PROBLEM :( return View("LogedInForm"); } else { if (!String.IsNullOrEmpty(returnUrl)) return Redirect(returnUrl); else return RedirectToAction("Index", "Home"); } } else { ModelState.AddModelError("", "The user name or password provided is incorrect."); if (Request.IsAjaxRequest()) { return Content("There were an error !"); } } } return View(model); } and I'm trying to return this simple partial : Welcome <b><%= Html.Encode(Model.UserName)%></b>! <%= Html.ActionLink("Log Off", "LogOff", "Account") %> and of-course the two partial are strongly-typed to LogOnModel. But if i returned View("PartialName") i always get OnFailure with status code 500. While if i returned Content("My Message") everything is going right. so please tell me why i always get this "StatusCode = 500" ??. where is the big mistake ??. By the way in my Site MasterPage i rendered partial to show long-on simple form this partial looks like this : <script type="text/javascript"> function ShowErrorMessage(ajaxContext) { var response = ajaxContext.get_response(); var statusCode = response.get_statusCode(); alert("Sorry, the request failed with status code " + statusCode); } function ShowSuccessMessage() { alert("Hey everything is OK!"); } </script> <div id="logedInDiv"> </div> <% using (Ajax.BeginForm("LogOn", "Account", new AjaxOptions { UpdateTargetId = "logedInDiv", InsertionMode = InsertionMode.Replace, OnSuccess = "ShowSuccessMessage", OnFailure = "ShowErrorMessage" })) { %> <%= Html.TextBoxFor(m => m.UserName)%> <%= Html.PasswordFor(m => m.Password)%> <%= Html.CheckBoxFor(m => m.RememberMe)%> <input type="submit" value="Log On" /> < <% } %>

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  • Asp.net ajax combobox doesn't display correctly when inserted inside a tab control.

    - by Shimrod
    Hi everybody, I have a display problem when I try to use a ajax combobox inside a tab control: when my tab control loads on the page where the combobox is, everything works fine; however, if it loads on a another page, the you change to the page which contains the combobox, the right button (which opens the list of the combobox) isn't displayed at all. Has someone been through this behavior? And maybe found a solution ? Thanks in advance !

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  • How to keep a shell open across multiple ajax requests in PHP?

    - by Joost van Doorn
    I need to use a shell across multiple ajax requests. Basically this means that the next request should be able to continue with the same shell where the other process left off. The purpose is to communicate with daemons like FTP to open an FTP connection and log in and in the next request continue with that connection and be able to use it for uploads. But it's not limited to only the FTP daemon (as I know that FTP is supported in PHP).

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  • What is the most efficient procedure for implementing a sortable ajax list on the backend?

    - by HenryL
    The most common method is to assign a sequential order field for each item in the list and do an update that maintains the sequence with every ajax sort operation. Unfortunately, this requires an update to each item of the list every time someone sorts. This is fine for small lists, but what's the best way to implement sorting for larger lists that are constantly updated? I am looking for something that minimizes DB IO.

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  • Ajax routes in Rails 3

    - by Jatin
    In my Rails 2.3 application, the following routes were working properly map.ajax 'ajax', :controller => 'widgetresponse_controller' , :action => 'getWidgetJson' When I migrated to Rails 3, I tried a number of new routes, to get this working but none of them worked. 1. match 'ajax' => 'widgetresponse#getWidgetJson', :as => :ajax 2. match 'ajax' => 'widgetresponse_controller#getWidgetJson', :as => :ajax 3. get 'widgetresponse/getWidgetJson', :as => :ajax 4. get 'widgetresponse/getWidgetJson' Its a very basic question to ask, but I don't know what I am doing wrong.

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  • Need some help synch'ing outer loop counter with dialog.onconfirm()

    - by Chris Barnhill
    I am writing a game for Facebook. IN the following code, I have a problem. I have a for loop executing, and in that loop, I call a dialog and implement 'onconfirm' for the dialog. The problem is that I need to access th e loop counter inside of the onconfirm function. But because the onconfirm is called outside of the scope of the for loop, the counter value is no longer valid because it's been incremented. I need some way to pass the counter value to the dialog onconfirm as it was at the time the dialog was displayed, not after the loop has finished. Or maybe someone has a better solution. Any help would be appreciated. Thanks. function unloadCargo() { //debugger; var actionPrompt = document.getElementById('action-prompt'); actionPrompt.setTextValue('Unloading cargo...'); var ajax = new Ajax(); ajax.responseType = Ajax.JSON; ajax.ondone = function(data) { debugger; if(data.unloadableCargo.length == 0) { loadCargo(); } else { //console.log('unloadable cargo='+dump(data.unloadableCargo)); var i = 0; var j = 0; var ucCount = data.unloadableCargo.length; for(i = 0; i < ucCount; i++) { cargoDialog = new Dialog(); cargoDialog.showChoice('Unload Cargo', 'Unload ' + data.unloadableCargo[i].goods_name + ' at ' + data.unloadableCargo[i].city_name + ' for ' + data.unloadableCargo[i].payoff + 'M euros?'); cargoDialog.onconfirm = function() { //console.log('unloadable cargo onconfirm='+dump(data.unloadableCargo)); var ajax = new Ajax(); var param = {"city_id": data.unloadableCargo[i].city_id, "goods_id": data.unloadableCargo[i].goods_id, "payoff": data.unloadableCargo[i].payoff}; ajax.ondone = function(demandData) { var demands = document.getElementById('demands'); var innerXhtml = '<span>'; for(var j = 0; j < demandData.demands.length; j++) { innerXhtml = innerXhtml + ' <div class="demand-item"><div class="demand-city">' + demandData.demands[j].city + '</div><div class="demand-pay">' + demandData.demands[j].cost + '</div><div class="demand-goods">' + demandData.demands[j].goods + '</div></div>'; } innerXtml = innerXhtml + ' </span>'; demands.setInnerXHTML(innerXhtml); // update balance loadCargo(); } ajax.post(baseURL + "/turn/do-unload-cargo", param); } cargoDialog.oncancel = function() { loadCargo(); } } //loadCargo(); } } ajax.post(baseURL + '/turn/unload-cargo'); }

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  • Cannot pass null to server using jQuery AJAX. Value received at the server is the string "null".

    - by Tom
    I am converting a javascript/php/ajax application to use jQuery to ensure compatibility with browsers other than Firefox. I am having trouble passing true, false, and null values using jQuery's ajax function. Javascript code: $.ajax ( { url : <server_url>, dataType: 'json', type : 'POST', success : receiveAjaxMessage, data: { valueTrue : true, valueFalse : false, valueNull : null } } ); PHP code: var_dump($_POST); Server output: array(3) { ["valueTrue"]=> string(4) "true" ["valueFalse"]=> string(5) "false" ["valueNull"]=> string(4) "null" } The problem is that the null, true, and false values are being converted to strings. The Javascript AJAX code currently in use passes null, true, and false correctly but only works in Firefox. Does anyone know how to solve this problem using jQuery? Here is some working code (not using jQuery) to compare with the code not-working code given above. Javascript Code: ajaxPort.send ( <server_url>, { valueTrue : true, valueFalse : false, valueNull : null } ); PHP code: var_dump(json_decode(file_get_contents('php://input'), true)); Server output: array(3) { ["valueTrue"]=> bool(true) ["valueFalse"]=> bool(false) ["valueNull"]=> NULL } Note that the null, true, and false values are correctly received. Note also that in the second method the $_POST array is not used in the PHP code. I think this is the key to the problem, but I cannot find a way to replicate this behavior using jQuery.

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  • Ajax back button jquery - Need full example step by step.

    - by Latios88
    Hi. I need help supporting back button with jquery ajax.load method. I have tried a couple of plugins but i cant get any of them to work. I am loading my content like this: $('.pagination a').click(function(){ var url = $(this).attr('href'); ajaxLoad(url,null,'.container'); return false; }); Note: ajaxLoad function executes the jquery load method. Many thanks for your help.

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