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• Chat with Audio/Video and DesktopSharing

  - by RavIncredible

  Hi All, I am working on an application where I like to bundle 3 things: 1. Chat 2. Audio / Video Conversation 3. Desktop Sharing I would like to know the approach and where to look in for this, few of the things that I am aware of are: Chat and Audio – I can go with Jabber server and configure any SIP server like asterix for audio calls. Desktop Sharing – I have read about silverlite coming up with Desktop Sharing modules, but what would be only targeted to Windows. I would like to have sharing for windows, mac and linux OS. I don’t mind building separate clients for each. But I like to know which common protocol has to be used for Desktop sharing. In other words something similar to team viewer. Please suggest. Video Conference – I totally don’t have any idea about this. The application that I am supposed to build has to target the below platforms: 1. Window, Mac, Linux Desktop 2. iPhone, iPad and Android Devices. Would appreciate any help or reference or links to any of the topics (Chat, A/V and desktop sharing). Thanks Ravi

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• jQuery Mobile: How to run a callback-function before $.mobile.changePage?

  - by Jugi84

  I'm setting up a mobile app with jQuery Mobile and PhoneGap. What I want to do is that when I click link with id "news_link" I want jQuery to fetch data from database and put it to jQm's collapsible set. In my solution, I've wanted to use $.mobile.changePage inside callback functions because I want to wait until the data has been fetched and put inside the container before the code changes page. Here's the code: $(function() { $('#news_link').click(function(){ loadNewsFromDB(function(){ $.mobile.changePage( $("#news"), { transition: "slideup"} ); }); }); loadNewsFromDB is PhoneGap's SQLite database function which would fetch the data with more callback functions from database. The contents would be put to desired container with .html-function function loadNewsFromDB(){ //some code here theDB.transaction(function(tx) { tx.executeSql(sqlStr, [], onLoadNewsSuccess, onLoadNewsError); },onTxError, onTxSuccess); function onLoadNewsSuccess(tx, results){ //some code here $("#newsSet").html(htmlCodeAndContentToPut); Html is jQm's basic ui-modules: <!-- some html code here --!> <div data-role="page" id="news"> <div data-role="content"> <div id="newsSet" data-role="collapsible-set" data-mini="true"> With debugging I know that the code work up until it works very well unti it arrives to $.mobile.changePage-function. Somehow it doesn't change the page. I've checked the function it works well in other occasions, but not inside callback-functions. I would be very grateful if someone would give me a hand am I not seeing something obviously wrong or is something more specific? What other workarounds there is for fetching the data from SQLite, waiting for data to be fetched, putting the data to container and then changing the pages?

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• OcaIDE doesn't see JoCaml tools

  - by Surikator

  I'm having a problem while using OcaIDE in ocamlbuild mode. I'm trying to compile my own JoCaml sources. According to the JoCaml manual (bottom of page), to use ocamlbuild with JoCaml, I just need to add the -use-jocaml argument to ocamlbuild. Indeed, if I go to the root of my project and write ocamlbuild -use-jocaml foo.native it generates my executable just fine. However, in OcaIDE I get /bin/sh: jocamldep: command not found In OcaIDE, the -use-jocaml flag is passed in the "Other Flags" box (in Project Properties). And that certainly is working, as the complaint is precisely that it doesn't find jocaml stuff. The puzzling thing is that jocaml is installed and can be accessed from any random terminal window. For example, running jocamldep -modules foo.ml > foo.ml.depends on my project does generate the desired dependency file. So, it would seem I would have to configure OcaIDE and tell it where JoCaml executables are or something. This is done for OCaml, for example. But there is no place to do that for JoCaml. And it's really strange that, if jocamldep/jocamlc/etc are all accessible from anywhere, OcaIDE wouldn't be able to pick them. Any ideas? (I am aware I can do an ocamlbuild plugin and pass the flag in a "myocamlbuild.ml" file. I'll probably use that a latter stage after I get familiar with ocamlbuild plugins. But here the question is about OcaIDE. EDIT: Actually, ocamlbuild plugins don't seem to be a solution as, although there is an option -use-jocaml in ocamlbuild to enforce jocaml use (and it works fine), the plugin system doesn't support it, i.e. jocaml is not in the list of options.)

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• Options for organizing android app with multiple independent apps

  - by lazyguy

  Problem Definition: We have a fairly large app which has multiple use cases such that they are all independent of each other. For example lets say we have a1, a2, a3 & a4 modules that are independent apps or use cases for our main app 'A'. The independent a1, a2, a3, a4 are all purchasable apps such that the user goes to our website instead of play store and activate either a1 or a2 by paying some fees on our website. So basically App 'A' is a free app in play-store and is sort of Dashboard with buttons to launch a1, a2, a3, a4. When the user click on lets say a1 button then we will check if a1 is already installed and launch it but if it is not present then give the user a link to download it. Option 1: Have a main app 'A' and a1, a2, a3, a4 as library project. But with this approach the main app A is too big in size. Option 2: Have a1, a2, a3, a4 build as separate .apk and then put in the assets folder of main app 'A' and then install them as needed. Again size of main app A is bigger. Option 3: Upload a1, a2, a3, a4 to a third party website or play store and download from it as needed. This way the main app remains lighter. Observation: In all these approaches there will be an independent app installed with its own icon on users phone. So basically user can launch from either the Dashboard (which will eventually launch an intent from Activity in a1 app) or user can directly launch app a1. Follow-up Question: Is there any other solution that anyone can suggest to tackle this kind of problem? Another things is by going this approach app a1, a2, a3, a4 can be developed & tested independently of each other.

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• How do I efficiently parse a CSV file in Perl?

  - by Mike

  I'm working on a project that involves parsing a large csv formatted file in Perl and am looking to make things more efficient. My approach has been to split() the file by lines first, and then split() each line again by commas to get the fields. But this suboptimal since at least two passes on the data are required. (once to split by lines, then once again for each line). This is a very large file, so cutting processing in half would be a significant improvement to the entire application. My question is, what is the most time efficient means of parsing a large CSV file using only built in tools? note: Each line has a varying number of tokens, so we can't just ignore lines and split by commas only. Also we can assume fields will contain only alphanumeric ascii data (no special characters or other tricks). Also, i don't want to get into parallel processing, although it might work effectively. edit It can only involve built-in tools that ship with Perl 5.8. For bureaucratic reasons, I cannot use any third party modules (even if hosted on cpan) another edit Let's assume that our solution is only allowed to deal with the file data once it is entirely loaded into memory. yet another edit I just grasped how stupid this question is. Sorry for wasting your time. Voting to close.

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• how to unzip uploaded zip file?

  - by Jaydeepsinh Jadeja

  I am trying to upload a zipped file using codeigniter framework with following code function do_upload() { $name=time(); $config['upload_path'] = './uploadedModules/'; $config['allowed_types'] = 'zip|rar'; $this->load->library('upload', $config); if ( ! $this->upload->do_upload()) { $error = array('error' => $this->upload->display_errors()); $this->load->view('upload_view', $error); } else { $data = array('upload_data' => $this->upload->data()); $this->load->library('unzip'); // Optional: Only take out these files, anything else is ignored $this->unzip->allow(array('css', 'js', 'png', 'gif', 'jpeg', 'jpg', 'tpl', 'html', 'swf')); $this->unzip->extract('./uploadedModules/'.$data['upload_data']['file_name'], './application/modules/'); $pieces = explode(".", $data['upload_data']['file_name']); $title=$pieces[0]; $status=1; $core=0; $this->addons_model->insertNewModule($title,$status,$core); } } But the main problem is that when extract function is called, it extract the zip but the result is empty folder. Is there any way to overcome this problem?

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• Nginx - Treats PHP as binary

  - by Think Floyd

  We are running Nginx+FastCgi as the backend for our Drupal site. Everything seems to work like fine, except for this one url. http:///sites/all/modules/tinymce/tinymce/jscripts/tiny_mce/plugins/smimage/index.php (We use TinyMCE module in Drupal, and the url above is invoked when user tries to upload an image) When we were using Apache, everything was working fine. However, nginx treats that above url Binary and tries to Download it. (We've verified that the file pointed out by the url is a valid PHP file) Any idea what could be wrong here? I think it's something to do with the NGINX configuration, but not entirely sure what that is. Any help is greatly appreciated. Config: Here's the snippet from the nginx configuration file: root /var/www/; index index.php; if (!-e $request_filename) { rewrite ^/(.*)$ /index.php?q=$1 last; } error_page 404 index.php; location ~* \.(engine|inc|info|install|module|profile|po|sh|.*sql|theme|tpl(\.php)?|xtmpl)$|^(code-style\.pl|Entries.*|Repository|Root|Tag|Template)$ { deny all; } location ~* ^.+\.(jpg|jpeg|gif|png|ico)$ { access_log off; expires 7d; } location ~* ^.+\.(css|js)$ { access_log off; expires 7d; } location ~ .php$ { include /etc/nginx/fcgi.conf; fastcgi_pass 127.0.0.1:8888; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; } location ~ /\.ht { deny all; }

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• Unit testing a 'legacy' WPF Application

  - by sc_ray

  The product I have been working on has been in development for the past six years. It started as a generic data entry portal into an insanely complex part WPF/part legacy application. The system has been developed for all these years without a single Unit test in its fold. Now, the point has been raised for a comprehensive unit testing framework. I have been recruited recently to work on this product and have been tasked to get the 'Testing' in order. Since the team that worked on the product for the last six years adopted 'Agile', the project lacks any documentation of the business rules or any design documents. I have been trying to write unit tests for some of the modules. But I am not sure what to Mock, how to setup my Test fixture and eventually what to Test for, since a casual glance of the methods does not reveal its intentions. Also, it has come to my attention that the code was not developed with a particular methodology in mind. Given the situation, I was wondering if the good people of Stackoverflow could provide me with some advise on how to salvage this situation. I have heard about the book 'Working with Legacy Code' that has something to say about this general situation but I was thinking about getting some pointers from individuals who have encountered similar situations within the technology stack(C#,VB,C++,.NET 3.5,WCF,SQL Server 2005).

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• CSS H4 hover style

  - by user1750613

  I tried many css from other places and stackoverflow, but somehow I can not make it done. I'm very new to css, and using Joomla and a template. I'm using custom.css folder for certain customizations on style. Here is I want to do: I want to style h4 when it is a link. For example, I'm creating a custom html module, have a list in the content. And in the content I'm giving each, h5 style, and a link to it to a certain page in the site. What I want to achieve is to have this list with color blue. And when mouse over-hover to have underline and still the same color. And when clicked back to the original position with no underline and no color change. (the same color in every situation, just underline when you are over it.) I tried these h5, h5 a, h5 a: hover, h5 .contentheading a, and so on... In one instance, it was working with : h5 { font-family: arial, sans-serif; font-size: 1.3em; font-weight: bold; } h5 a { color: #0088CC; } h5 a: hover { color: #0088CC; text-decoration: underline; } As I read I should use 'a' when the heading is a link. But now something is overriding it, I'm completely lost now. I see a:hover style in the inspection. I want to use this h5 in several content (in custom modules) when I want to style a content as a list to links. And I thought it will be practical to have one heading with a certain style so that I can use it with flexibility. Thanks a lot, any help will be great : )

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• What is the correct way to open and close window/dialog?

  - by mree

  I'm trying to develop a new program. The work flow looks like this: Login --> Dashboard (Window with menus) --> Module 1 --> Module 2 --> Module 3 --> Module XXX So, to open Dashboard from Login (a Dialog), I use Dashboard *d = new Dashboard(); d->show(); close(); In Dashboard, I use these codes to reopen the Login if the user closes the Window (by clicking the 'X') closeEvent(QCloseEvent *) { Login *login = new Login(); login->show(); } With a Task Manager opened, I ran the program and monitor the memory usage. After clicking open Dashboard from Login and closing Dashboard to return to Login, I noticed that the memory keeps increasing about 500 KB. It can goes up to 20 MB from 12 MB of memory usage by just opening and closing the window/dialog. So, what did I do wrong here ? I need to know it before I continue developing those modules which will definitely eat more memory with my programming. Thanks in advance.

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• problems piping in node.js

  - by alvaizq

  We have the following example in node.js var http = require('http'); http.createServer(function(request, response) { var proxy = http.createClient(8083, '127.0.0.1') var proxy_request = proxy.request(request.method, request.url, request.headers); proxy_request.on('response', function (proxy_response) { proxy_response.pipe(response); response.writeHead(proxy_response.statusCode, proxy_response.headers); }); setTimeout(function(){ request.pipe(proxy_request); },3000); }).listen(8081, '127.0.0.1'); The example listen to a request in 127.0.0.1:8081 and sends it to a dummy server (always return 200 OK status code) in 127.0.0.1:8083. The problem is in the pipe among the input stream (readable) and output stream (writable) when we have a async module before (in this case the setTimeOut timing). The pipe doesn't work and nothing is sent to dummy server in 8083 port. Maybe, when we have a async call (in this case the setTimeOut) before the pipe call, the inputstream change to a state "not readable", and after the async call the pipe doesn't send anything. This is just an example...we test it with more async modules from node.js community with the same result (ldapjs, etc)... We try to fix it with: - request.readable =true; //before pipe call - request.pipe(proxy_request, {end : false}); with the same result (the pipe doesn't work). Can anybody help us? Many thanks in advanced and best regards,

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• Problem with cyrillic symbols in console

  - by woto

  Hi everyone, sorry for bad English. It's Ruby code. s = "???????" `touch #{s}` `cat #{s}` `cat < #{s}` Can anybody tell why it's code fails? With sh: cannot open ???????: No such file But thic code works fine s = "????????" `touch #{s}` `cat #{s}` `cat < #{s}` Problem is only when Russian symbol '?' in the word and with symobol '<' woto@woto-work:/tmp$ locale LANG=ru_RU.UTF-8 LC_CTYPE="ru_RU.UTF-8" LC_NUMERIC="ru_RU.UTF-8" LC_TIME="ru_RU.UTF-8" LC_COLLATE="ru_RU.UTF-8" LC_MONETARY="ru_RU.UTF-8" LC_MESSAGES="ru_RU.UTF-8" LC_PAPER="ru_RU.UTF-8" LC_NAME="ru_RU.UTF-8" LC_ADDRESS="ru_RU.UTF-8" LC_TELEPHONE="ru_RU.UTF-8" LC_MEASUREMENT="ru_RU.UTF-8" LC_IDENTIFICATION="ru_RU.UTF-8" LC_ALL= woto@woto-work:/tmp$ ruby -v ruby 1.8.7 (2010-01-10 patchlevel 249) [x86_64-linux] woto@woto-work:/tmp$ uname -a Linux woto-work 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 10:14:11 UTC 2010 x86_64 GNU/Linux woto@woto-work:/tmp$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 10.04.1 LTS Release: 10.04 Codename: lucid

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• Plugin architecture in C using libdl

  - by LukeN

  I've been toying around, writing a small IRC framework in C that I'm now going to expand with some core functionality - but beyond that, I'd like it to be extensible with plugins! Up until now, whenever I wrote something IRC related (and I wrote a lot, in about 6 different languages now... I'm on fire!) and actually went ahead to implement a plugin architecture, it was inside an interpreted language that had facilities for doing (read: abusing) so, like jamming a whole script file trough eval in Ruby (bad!). Now I want to abuse something in C! Basically there's three things I could do define a simple script language inside of my program use an existing one, embedding an interpreter use libdl to load *.so modules on runtime I'm fond of the third one and raather avoid the other two options if possible. Maybe I'm a masochist of some sort, but I think it could be both fun and useful for learning purposes. Logically thinking, the obvious "pain-chain" would be (lowest to highest) 2 - 1 - 3, for the simple reason that libdl is dealing with raw code that can (and will) explode in my face more often than not. So this question goes out to you, fellow users of stackoverflow, do you think libdl is up to this task, or even a realistic thought?

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• How to track a projects extraneous quirks

  - by Steerpike

  Hello, It's possible that the answer to this question may just be standard bug tracking software like jira or fogbugz, but I'm kind of hoping someone out there knows a better system for what I'm describing. My most current project is requiring a lot of setup quirkiness to get into a position where I can actually start a coding section. For example: A series of convoluted internal company commands before I can insitgate an SSH. Making sure any third party classes that make external calls have internal company proxy options setup - while also making sure these setting wont be set up when installed on a production environment Making sure the proxy is set before trying to install pear packages. Other similar things, mostly involving internal IT security and getting it to work with modules and packages. Individually none of these things is a huge deal, and I've written extensive notes to myself regarding exact commands and aditions I've made, but they're currently in a general text document and it's going to be hard to remember exactly where what I need is far down the line. We also have several new staff starting soon and I' rather give them an easier time of setting up their programming environments. Like I said, they aren't 'programming quirks' exactly, but just the constant fiddling that comes about before programming starts in earnest. Any thoughts on the best way to documents these things for my own and future generations sanity?

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• Pre-done SQLs to be converted to Rails' style moduls

  - by Hoornet

  I am a Rails newbie and would really appreciate if someone converted these SQLs to complete modules for rails. I know its a lot to ask but I can't just use find_by_sql for all of them. Or can I? These are the SQLs (they run on MS-SQL): 1) SELECT STANJA_NA_DAN_POSTAVKA.STA_ID, STP_DATE, STP_TIME, STA_OPIS, STA_SIFRA, STA_POND FROM STANJA_NA_DAN_POSTAVKA INNER JOIN STANJA_NA_DAN ON(STANJA_NA_DAN.STA_ID=STANJA_NA_DAN_POSTAVKA.STA_ID) WHERE ((OSE_ID=10)AND (STANJA_NA_DAN_POSTAVKA.STP_DATE={d '2010-03-30'}) AND (STANJA_NA_DAN_POSTAVKA.STP_DATE<={d '2010-03-30'})) 2) SELECT ZIGI_OBDELANI.OSE_ID, ZIGI_OBDELANI.DOG_ID AS DOG_ID, ZIGI_OBDELANI.ZIO_DATUM AS DATUM, ZIGI_PRICETEK.ZIG_TIME_D AS ZIG_PRICETEK, ZIGI_KONEC.ZIG_TIME_D AS ZIG_KONEC FROM (ZIGI_OBDELANI INNER JOIN ZIGI ZIGI_PRICETEK ON ZIGI_OBDELANI.ZIG_ID_PRICETEK = ZIGI_PRICETEK.ZIG_ID) INNER JOIN ZIGI ZIGI_KONEC ON ZIGI_OBDELANI.ZIG_ID_KONEC = ZIGI_KONEC.ZIG_ID WHERE (ZIGI_OBDELANI.OSE_ID = 10) AND (ZIGI_OBDELANI.ZIO_DATUM = {d '2010-03-30'}) AND (ZIGI_OBDELANI.ZIO_DATUM <= {d '2010-03-30'}) AND (ZIGI_PRICETEK.ZIG_VELJAVEN < 0) AND (ZIGI_KONEC.ZIG_VELJAVEN < 0) ORDER BY ZIGI_OBDELANI.OSE_ID, ZIGI_PRICETEK.ZIG_TIME ASC 3) SELECT STA_ID, SUM(STP_TIME) AS SUM_STP_TIME, COUNT(STA_ID) FROM STANJA_NA_DAN_POSTAVKA WHERE ((STP_DATE={d '2010-03-30'}) AND (STP_DATE<={d '2010-03-30'}) AND (STA_ID=3) AND (OSE_ID=10)) GROUP BY STA_ID 4) SELECT DATUM, TDN_ID, TDN_OPIS, URN_OPIS, MOZNI_PROBLEMI, PRIHOD, ODHOD, OBVEZNOST, ZAKLJUCEVANJE_DATUM FROM OBRACUNAJ_DAN WHERE ((OSE_ID=10) AND (DATUM={d '2010-02-28'}) AND (DATUM<={d '2010-03-30'})) ORDER BY DATUM These SQLs are daily working hours and I got them as is. Also I got Database with it which (as you can see from the SQL-s) is not in Rails conventions. As a P.S.: 1)Things like STP_DATE={d '2010-03-30'}) are of course dates (in Slovenian date notation) and will be replaced with a variable (date), so that the user could choose date from and date to. 2) All of this data will be shown in the same page in the table,so maybe all in one module? Or many?; if this helps, maybe. So can someone help me? Its for my work and its my 1st project and I am a Rails newbie and the bosses are getting inpatient(they are getting quite loud actually) Thank you very very much!

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• Silverstripe: outputting DataObjectManager in template include

  - by Fraser

  I have followed the tutorial here http://doc.silverstripe.org/old/modules:dataobjectmanager to create a dataobjectmanager in my CMS. It's all working perfectly there however I am having an issue getting it to output in the template. My code is as follows <?php class InfoArea extends DataObject{ static $db = array( 'Title' => 'Varchar(255)', 'Content' => 'HTMLText' ); static $has_one = array( 'ResortPage' => 'ResortPage' ); public function getCMSFields_forPopup(){ return new FieldSet( new TextField('Title'), new SimpleTinyMCEField('Content') ); } } ResortPage.php ....... static $has_many = array ( "InfoAreas" => "InfoArea" ); ....... $fields->addFieldToTab("Root.Content.AdditionalInformation", new DataObjectManager( $this, 'InfoAreas', 'InfoArea', array('Title' => 'Title','Content'=>'Content'), 'getCMSFields_forPopup' )); ........ I have a template "ResortPage.ss" which has an include "ResortInfo.ss". It is from within this include file that I need to output the DataObject. I have tried the below but it doesn't output anything <% control InfoArea %> $Title $Content <% end_control %> What am I doing wrong here? Thanks

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• Joomla Site Templates: Architecture Advise

  - by Vincent

  Our client provided us with html templates to turn into a Joomla template, problem is their designs are not Joomla Template friendly where a lot of the html design are not consistent with structure. Currently the only solution we have is applying a template structure pattern that fits the most amount of their design and have seperate joomla templates to take care of the ones that doesn't fit. We have the generic Joomla Template configured with different positions for each div and assign each article to its respective position in the template. Some articles though have menu modules within them so our solution is to split the article into two position and define positions for each menu module. Is this method better than defining module positions within an article content to render menus within an article? Is there a better way of showing articles in specific div positions than having each article be represented by a module to render in a specific div (position) in a template? Right now our current way of rendering an article(s) content to a specific position is to create a module (moduleAsArticle) and define that module a position. Create An Article - Assign A Module To It (moduleAsArticle) - Define that module a position

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• Migrating just article contect of Joomla 1.0 to 2.5.x / 3.x?

  - by user2919408

  I have a simple website using Joomla 1.0.15, just having articles in some categories. As i want to install or remove components from admin area, i got : "You are not authorised to view this resource" or something like that. This is uncommon, this site is about 5 years old, and never got error message like that. I think my website is hacked ?? I have set safe_mode = off in php.ini, turn of sh404sef, removing .htaccess file etc ... and it still does not work. Then i try to upgrade to Joomla 2.5.x / 3.x . I found that i must migrate to Joomla 1.5.x first, then from there to 2.5.x. I got problem installing "migration.zip" component in my Joomla 1.0.x (always alert/err message pop up is shown). Is there another way to migrate the website ? May be just get the article section, category, article id and the content of Joomla 1.0.x , then import it to Joomla 2.5.x / 3.x ? I don't need components, modules, mambots (if any) of the old site. How to do it ? Thanks

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• Java vs. C variant for desktop and tablet development

  - by MirroredFate

  I am going to write a desktop application, but I am conflicted concerning which language to use. It (the desktop application) will need to have a good GUI, and to be extendable (hopefully good with modules of some sort). It must be completely cross-platform, including executable in various tablet environments. I put this as a requirement while realizing that some modification will no doubt be necessary. The language should also have some form of networking tools available. I have read http://introcs.cs.princeton.edu/java/faq/c2java.html and understand the differences between Java and C very well. I am looking not necessarily at C, but more at a C variant. If it is a complete toss-up, I will use Java as I know Java much better. However, I do not want to use a language that will be inferior for the task I wish to accomplish. Thank you for all suggestions and explanations. NOTE: If this is not the correct stack for this question, I apologize. It seemed appropriate according to the rules.

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• How do I install and use the cli53 tools on Windows?

  - by pavlos

  I'm trying to find the simplest way to import a large number of BIND zone files in to Route 53. I've had a quick look at the AWS CLI and AWS Tools for Windows PowerShell but they don't seem to include a zone file import option like the AWS Route53 GUI does. The cli53 utility on the other hand does, but is written in Python and appears to have a series of pre-requisites to get going which I'm having troubles working out for Windows. I can find plenty of examples of setting it up under Linux but only one reference to a PowerShell example here, but it doesn't explain how to install cli53 in the first place. The other option I'm exploring is to use the BIND to Amazon Route 53 Conversion Tool perl script to first convert the zone files to the Route53 CreateHostedZoneRequest XML format and then use the AWS New-R53HostedZone PowerShell cmdlet to import the zones. After the zones have been imported I'll be looking at running a script to validate what has been created in Route53 matches with the existing nameserver prior to updating each domains nameserver records - I was planning on whipping something up using the new PS4.0 Resolve-DnsName cmdlet, but let me know if you have any better suggestions. Any assistance would be greatly appreciated - thanks. (By the way, I had more reference links in my post but ServerFault won't allow me to post more than 2 links being a new member; and for this same reason I also can't comment on Vasili's example in the other linked thread)

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• uWSGI log file...permission denied to read file

  - by bkev

  I have a server running Django/Nginx/uWSGI with uWSGI in emperor mode, and the error log for it (the vassal-level error log, not the emperor-level log) has a continual permissions error every time it spawns a new worker, like so: Tue Jun 26 19:34:55 2012 - Respawned uWSGI worker 2 (new pid: 9334) Error opening file for reading: Permission denied Problem is, I don't know what file it's having trouble opening; it's not the log file, obviously, since I'm looking at it and it's writing to that without issue. Any way to find out? I'm running the apt-get version of uWSGI 1.0.3-debian through Upstart on Ubuntu 12.04. The site is working successfully, aside from what seems like a memory leak...hence my looking at the log file. My Upstart conf file description "uWSGI" start on runlevel [2345] stop on runlevel [06] respawn env UWSGI=/usr/bin/uwsgi env LOGTO=/var/log/uwsgi/emperor.log exec $UWSGI \ --master \ --emperor /etc/uwsgi/vassals \ --die-on-term \ --auto-procname \ --no-orphans \ --logto $LOGTO \ --logdate My Vassal ini file: [uwsgi] # Variables base = /srv/env/mysiteenv # Generic Config uid = uwsgi gid = uwsgi socket = 127.0.0.1:5050 master = true processes = 2 reload-on-as = 128 harakiri = 60 harakiri-verbose = true auto-procname = true plugins = http,python cache = 2000 home = %(base) pythonpath = %(base)/mysite module = wsgi logto = /srv/log/mysite/uwsgi_error.log logdate = true

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• Issues with ProxyPass and ProxyPassReverse when proxying to localhost and a different TCP port

  - by mbrownnyc

  I am attempting to use ProxyPass and ProxyPassReverse to proxy requests through Apache to another server instance that is bound to the localhost on a different TCP port that the Vhost exists (VHost is bound to :80, when the target is bound to :5000). However, I am repeatedly receiving HTTP 503 when accessing the Location. According to the ProxyPass documentation... <VirtualHost *:80> ServerName apacheserver.domain.local DocumentRoot /var/www/redmine/public ErrorLog logs/redmine_error <Directory /var/www/redmine/public> Allow from all Options -MultiViews Order allow,deny AllowOverride all </Directory> </VirtualHost> PassengerTempDir /tmp/passenger <Location /rhodecode> ProxyPass http://127.0.0.1:5000/rhodecode ProxyPassReverse http://127.0.0.1:5000/rhodecode SetEnvIf X-Url-Scheme https HTTPS=1 </Location> I have tested binding the alternate server to the interface IP address, and the same issue occurs. The server servicing request is an instance of python paste:httpserver, and it has been configured to use the /rhodecode suffix (as I saw this to be mentioned in other posts about ProxyPass). The documentation from the project itself, Rhodecode, reports to use the above. The issue is persistent if I target another server that is serving on a different port. Does ProxyPass allow proxying to a different TCP port? [update] I won't delete this, in case someone comes across the same issue. I had set an ErrorLog, and in that ErrorLog the following error was reported: [Wed Nov 09 11:36:35 2011] [error] (13)Permission denied: proxy: HTTP: attempt to connect to 127.0.0.1:5000 (192.168.100.100) failed [Wed Nov 09 11:36:35 2011] [error] ap_proxy_connect_backend disabling worker for (192.168.100.100) After some more research, I attempted to set SELinux to permissive (echo 0 >/selinux/enforce), and try again. It turns out the SELinux boolean httpd_can_network_connect must be set to 1. For persistence on reboot: setsebool -P httpd_can_network_connect=1

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• Why isn't the scripts in my autoload folder being executed in Vim?

  - by Codemonkey

  I'm trying to use Pathogen to manage my Vim extensions. My bundle folder looks like this: .../bundle/ +-- vim-pathogen ¦   +-- autoload ¦   +-- pathogen.vim +-- vim-smoothscroll +-- autoload +-- smooth_scroll.vim And my vimrc file includes this: let s:root = fnamemodify(resolve(expand(":p")), ":h") " Initiate pathogen. exec "source " . s:root . "/vimfiles/bundle/vim-pathogen/autoload/pathogen.vim" exec pathogen#infect() My vimrc file is a symlink located in ~ but pointing to a folder inside my Dropbox folder. This appears to work when I start Vim. Pathogen has added vim-smoothscroll to my runtimepath: :set runtimepath? runtimepath=~/Dropbox/Personal/config_sync/vim/vimfiles,~/Dropbox/Personal/config_sync/vim/vimfiles/bundle/vim-p athogen,~/Dropbox/Personal/config_sync/vim/vimfiles/bundle/vim-smoothscroll,~/.vim,~/vim/share/vim/vimfiles,~/vim/ share/vim/vim74,~/vim/share/vim/vimfiles/after,~/.vim/after The problem is that the script smooth_scroll.vim hasn't been loaded: 1: ~/.vimrc 2: ~/Dropbox/Personal/config_sync/vim/vimfiles/bundle/vim-pathogen/autoload/pathogen.vim 3: ~/vim/share/vim/vim74/syntax/syntax.vim 4: ~/vim/share/vim/vim74/syntax/synload.vim 5: ~/vim/share/vim/vim74/syntax/syncolor.vim 6: ~/vim/share/vim/vim74/filetype.vim 7: ~/vim/share/vim/vim74/menu.vim 8: ~/vim/share/vim/vim74/autoload/paste.vim 9: ~/Dropbox/Personal/config_sync/vim/vimfiles/colors/codeschool.vim 10: ~/Dropbox/Personal/config_sync/vim/_vimrc_gui 11: ~/Dropbox/Personal/config_sync/vim/_vimrc_keybinds 12: ~/vim/share/vim/vim74/plugin/getscriptPlugin.vim 13: ~/vim/share/vim/vim74/plugin/gzip.vim 14: ~/vim/share/vim/vim74/plugin/matchparen.vim 15: ~/vim/share/vim/vim74/plugin/netrwPlugin.vim 16: ~/vim/share/vim/vim74/plugin/rrhelper.vim 17: ~/vim/share/vim/vim74/plugin/spellfile.vim 18: ~/vim/share/vim/vim74/plugin/tarPlugin.vim 19: ~/vim/share/vim/vim74/plugin/tohtml.vim 20: ~/vim/share/vim/vim74/plugin/vimballPlugin.vim 21: ~/vim/share/vim/vim74/plugin/zipPlugin.vim 22: ~/vim/share/vim/vim74/syntax/ruby.vim 23: ~/vim/share/vim/vim74/syntax/vim.vim 24: ~/vim/share/vim/vim74/syntax/python.vim Why is that? Loading the script manually works fine.

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• SSH error 114 when connect with FinalBuilder 7

  - by mamcx

  I'm testing FB 7 and try to connect to my Mac OS X Snow Leopard machine. I can connect with paramiko (python SSH library) but not FB7. The only thing I get is: SSH error encoutered: 114 I try stopping & restarting the share session on Mac OS X. update: I enable server debug and get this log: debug1: sshd version OpenSSH_5.2p1 debug1: read PEM private key done: type RSA debug1: private host key: #0 type 1 RSA debug1: read PEM private key done: type DSA debug1: private host key: #1 type 2 DSA debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-Dd' debug1: Bind to port 22 on ::. Server listening on :: port 22. debug1: Bind to port 22 on 0.0.0.0. Server listening on 0.0.0.0 port 22. debug1: fd 5 clearing O_NONBLOCK debug1: Server will not fork when running in debugging mode. debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug1: inetd sockets after dupping: 3, 3 Connection from 10.3.7.135 port 49457 debug1: Client protocol version 2.0; client software version SecureBlackbox.8 debug1: no match: SecureBlackbox.8 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug1: privsep_preauth: successfully loaded Seatbelt profile for unprivileged child debug1: permanently_set_uid: 75/75 debug1: list_hostkey_types: ssh-rsa,ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: client->server aes128-ctr [email protected] none debug1: kex: server->client aes128-ctr [email protected] none debug1: expecting SSH2_MSG_KEXDH_INIT debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug1: userauth-request for user mamcx service ssh-connection method none debug1: attempt 0 failures 0 debug1: PAM: initializing for "mamcx" Connection closed by 10.3.7.135 debug1: do_cleanup debug1: PAM: setting PAM_RHOST to "10.3.7.135" debug1: do_cleanup debug1: PAM: cleanup debug1: audit_event: unhandled event 12

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• How to troubleshoot web server lock-up (Debian Squeeze)

  - by Ryan

  Every once in a while, my web server slows so significantly, it seems locked up. Can't SSH in, no sites being served. It's a VPS that started out as Debian 5 which I upgraded to testing (squeeze). It's a typical LAMP set-up with the sole purpose of running a couple of wordpress sites. One time when it locked up, I got to one of the sites, but it was wordpress complaining it couldn't establish a database connection. So it seemed as if something was really chewing up the CPU and mysqld either timed out, or possibly failed and couldn't restart. But since I couldn't SSH in I feel more inclined to attribute it to CPU. But the only processes running now, aside from OS and kernel stuff: apache mysqld python (for fail2ban) sshd exim4 It has 512M of RAM and 1.5 GB of swap. Every time I check on it, it has plenty of free memory and is using virtually no swap (usually 2-3M). And since I am running fail2ban I don't think I'm getting ddosed. I did find this in my logwatch email this morning (it locked up late last night, when there would have been very little traffic): 6 Time(s): [<ffffffff810a0ebc>] ? oom_kill_process+0x7e/0x23d 6 Time(s): [<ffffffff810a1505>] ? __out_of_memory+0x12a/0x141 6 Time(s): [<ffffffff810a1586>] ? out_of_memory+0x6a/0x94 I didn't find anything else suspicious. It can't be my provider's host because I can SSH in and restart the VM, and everything seems fine. Anybody know which logs I should start poring through to find the core of my problem? Thanks guys.

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