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• Combining multiple linux boxes and create VMs out of it

  - by NS Gopikrishnan

  I am new to virtualization. I am running on ubuntu. I have a set of linux machines (5 to 6 machines). Which I want to combine as a single resource pool and on demand create multiple virtual instances of machines out of it. This is comparable to what VirtualBox does in a single system. I stumbled across many key words: Xen, Eucalyptus, OpenStack etc. But things are very vague as to which will help me achieve this requirement. Any help will be appreciated :) Thanks in advance!

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• Multiple public/private key pairs for the same user

  - by bruceb

  First, sorry if this question has already been asked/answered - I've searched but perhaps I haven't recognised the answer.... What we have is a cluster of servers which need to access a single remote server using sftp. We are migrating from one remote server to another at the same (remote) location. We also want to refresh the public/private key pairs on the configuration as part of an ongoing security review. My question is - can we have multiple public/private key pairs for the same user between server A and server B? I want to do this to allow for cutover testing - but am concerned that the software checking keys may only try one of each type (rsa/dsa?) before rejecting the connection method and moving to the next type of key. Hope it's a straightforward question - please let me know if I need to supply more details. Thanks in advance Bruce

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• Batch file to open multiple cmd prompts

  - by JHarris

  I am trying to write a batch file that will automate the following manual process: Open a new cmd prompt (prompt1) Run a bat file (b1) Run a program (that will continue to run) Minimize prompt1 Open a new cmd prompt (prompt2) Run a bat file (b1) Run a different program (that will continue to run) Minimize prompt2 I've found ways to open multiple instances of cmd to run different things, but after I've run the first thing (b1), I then need to run a program in that same cmd window. I currently have start /min cmd /k C:\Users\db2admin\python_environment\Scripts\activate.bat start /min cmd /k C:\Users\db2admin\python_environment\Scripts\activate.bat This opens the two windows and runs the bat, great, but now I need to execute another command (running a python file) in each of the cmd windows. How do I send commands to each prompt?

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• Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

  - by user23884

  I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave significant white-space on the page. I can get around this behavior by using the pdfnup utility (in the pdfjam package); which will correctly generate a 4- or 6-up pdf file but it's annoying to generate a second pdf file when I should be able to accomplish this task from the print dialog. Details: Ubuntu 9.10 (Karmic), 64-bit, Color Postscript printer.

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• How to attach multiple ipv6 ips to eth1 on debian

  - by Noodles

  I've just got a new server with native ipv6. I want to attach multiple ipv6 ips to eth1, but the only way I can see to do so is to attach them individually: i.e. address 2607:f0d0:xxxx:xxxx::2 address 2607:f0d0:xxxx:xxxx::3 address 2607:f0d0:xxxx:xxxx::4 Is it possible to bind whole subnets of ipv6 to a single network interface on debian? My server host tells me I have 18,446,744,073,709,551,616 ipv6 addresses for that server, surely it gets to be a nightmare to manage if they all have to bound individually (plus ifconfig would look messy). Does anyone have a solution?

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• Varnish with multiple hosts/subdomains

  - by jerhinesmith

  I'm new to Varnish, and I'm hoping it already does this "out of the box", but I'd like to clarify before I consider using it in production: Here's my setup: I have multiple sites running off of the same machine that vary by subdomain (i.e. user1.example.com, user2.example.com, etc.) Each "site" has a profile picture that has the same name (i.e. user1.example.com/profile.png, user2.example.com/profile.png) Will Varnish recognize these as separate resources and cache them accordingly? Or will I need to change something in the VCL to tell it include the full host url when looking up cache hits?

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• Pushing image changes to multiple servers

  - by gms8994

  I need the ability to push images out to multiple servers whenever they're updated. I've looked at Network Filesystems, but they're all but worthless due to their speed. Images can be uploaded to any one of 3 servers, and would then need to be copied to the other 2. Any suggestions? I'm open to try just about anything. EDIT: Graphics data (jpg, gif, png, etc). Linux only. We're currently using rsync. But having it work back and forth is getting cumbersome. It's all local network.

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• Deploy multiple django instances on one Host [migrated]

  - by tvn

  I am trying to setup multiple Django instances on one Host with lighttpd. My problem is to get Djangos FCGI working on subdirectories served by my Webserver. So my aim is the following: www.myhost.org/django0 - django1.fcgi on localhost:3000 www.myhost.org/django1 - django2.fcgi on localhost:3001 www.myhost.org/django2 - django3.fcgi on localhost:3002 Unfortunately the following configuration doesn't even work for one: $HTTP["url"] =~ "^/django0/static($|/)" { server.document-root = "/home/django0/django/static/" } $HTTP["url"] =~ "^/django0/media($|/)" { server.document-root = "/usr/lib/python2.7/dist-packages/django/contrib/admin/media/" } $HTTP["url"] =~ "^/django0($|/)" { proxy.server = ( "" => ( ( "host" => "127.0.0.1", "port" => "3001", "check-local" => "disable", ) ) ) } The only response I get is an 404 and even this takes a long time till I get this. I found nothing suspicious neither in the access.log nor in the error.log.

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• Can I use multiple email servers at once?

  - by TheLQ

  I was wondering: Can you use multiple email servers at once? In this case, I was going to add all the Google Apps MX records then add the MX records of another email server. My goal here is to only use the somewhat expensive Google Apps for only important email addresses (eg all the employees), then use the other cheap email server for other email addresses like webmaster and some other unimportant but needed emails. My thought is that a mail message would try the first 5 Google Apps mail servers, fail, then go to mine and succeed. Would this work? If not, are there any other options?

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• Encryption container for multiple people

  - by Adam M.

  I was just wondering if anyone may have come across a product that would allow for a container based encryption to be used by multiple people, in a Windows Server setup. I wanted to see if there might be something like a truecrypt that could handle being accessed by two accounts? Looking to see if there is a product that would have such properties that would allow only a hand full of users access to the content of the location, but allow for the files to be backed up a normal backup system. That way if a file had to be restored, the container could be redirected to another location for one of the users to get access to it? This would allow for access to be restricted beyond the NTFS and file share permissons

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• How to disable multiple form submit (POST) in IIS

  - by user1209640

  We had a major SharePoint outage a few months back because a user wedged their keyboard in such a way as to cause the Enter button to be pressed indefinitely. The user was on a customized people search page and hundreds of POSTs by the same user were submitted asynchronously, which overloaded the server. Because I work in a large organization, I am looking for a more global way to prevent this from happening. Is there a way to prevent multiple web form submissions by a common user within a short period of time within IIS? I am aware we can write javascript to disable the button after it is clicked, but we are hoping to prevent this issue from occurring on other pages where a similar possibility may exist. Update: It appears looking at the source code, the javascript is performing a document.location = url, whenever keycode 13 (Enter) is pressed. Again, we can write JS to prevent this in this location, but we also want to be able to guard against this kind of issue more generally... preferably at the IIS level.

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• How to specify Multiple Secure Webpages with .htaccess RewriteCond

  - by Patrick Ndille

  I have 3 pages that I want to make secure on my website using .htaccess -login.php -checkout.php -account.php I know how to make just one work page at a time using .htaccess RewriteEngine On RewriteCond %{HTTPS} off RewriteCond %{REQUEST_URI} /login.php RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L] I and trying to figure out how to include the other 2 specific pages to make them also secure and used the expression below but it didn't work RewriteEngine On RewriteCond %{HTTPS} off RewriteCond %{REQUEST_URI} /login.php RewriteCond %{REQUEST_URI} /checkout.php RewriteCond %{REQUEST_URI} /account.php RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L] Can someone help me the right expression that will work with multiple pages? The second part of the code is that, if https is already on and a user move to a page that Is not any of the pages i specified about, I want that it should get back to http. how should I write the statement for it to redirect back to http if its not any of the pages above? I have my statement like this but its not working RewriteCond %{HTTPS} on RewriteRule !(checkout|login|account|payment)\.php http://%{HTTP_HOST}%{REQUEST_URI} [L,R] Any thoughts?

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• Multiple desktops in Windows

  - by John Straka

  I'm running a program that uses WatiN to automate file uploads to different websites. I currently run it on a machine that I remote into via the standard Remote Desktop Connection in Windows - once I start an upload, I go ahead and continue using my local machine. Soon, I'll be needing to run it locally. The problem is that it requires focus (which is unavoidable due to WatiN utilizing SendKeys) and I of course don't want to render my machine useless while it runs. So, my question: Is there any way to emulate the multiple desktops/workspaces that have been in many Linux distros for some time? I tried VirtuaWin to no avail. Alternatively, is there a way to remote into a machine from itself? Or is there some other means of creating a separate session on the same machine that does not steal focus? Running Linux is not an option, and a VM would be overkill.

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• Apache: multiple domains handling

  - by cache

  So I use following schema to handle multiple sites on my apache: <VirtualHost 192.168.1.100:80> # get the server name from the Host: header UseCanonicalName Off VirtualDocumentRoot /var/www/%0/docs VirtualScriptAlias /var/www/%0/cgi-bin </VirtualHost> Therefore, if a client go to www.example.com, it will actually point to /var/www/www.example.com/doc/, which is good. However, what if the client go to example.com? It will point to /var/www/example.com/doc, which is not what we want. So my question is: is there any better schema for that? Or what should I do to fix the issue? Thanks!

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• Multiple hops tunnels howto

  - by ard

  I wonder if anyone is able to help me with multiple tunnel hops for servers... basically my setup looks something like this... [desktop01]=====[server01]=====[server02]---------[machine01] \--------[machine02] \-------[machine03] \------[machine04] I want to setup some ssh tunnels so that from my desktop I can ssh directly to machine01 through 04 without having to ssh to each box in between in turn... So desktop01 can only see server01, server02 can only accept connections from server01 and machines 01 to 04 only accept connections from server02. Can anyone help as im really stuck with this. Thank you in advance :)

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• App ID and Bundle Seed ID in multiple applications with ASPN, InApp Purchase, and other

  - by Benny7500

  I will create multiple sale versions of the same application with push notifications feature: CoolApp (full version) CoolApp Free (free, features limited version) CoolApp InApp (free version upgradable to full via InApp Purchase) While registering for App ID in Apple Program Portal is possible to create "Bundle seed ID": "The Bundle Seed ID portion of your App ID can be utilized to share keychain access between multiple applications you build with a single App ID" Is possible to create only one App ID, for example: "XDFGYE6TR4.com.company.coolapp" and use it for all three versions of CoolApp, with enabled push notifications and in app purchases?

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• Deleting multiple records in ASP.NET MVC using jqGrid

  - by Tevin

  How can you enable multiple selection in a jqGrid, and also allow users to delete all of the selected rows using an ASP.NET MVC controller? I have set the delete url property to my /Controller/Delete method, and this works fine if one record is selected. However, if multiple records are selected, it attempts to send a null value back to the controller where an integer id is required.

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• TwitPic Multiple image upload

  - by Tim Karen

  Has anybody experienced Timeout error with TwitPic API using ASIFormDataRequest when uploading multiple images? Status updates without images are fine. I was trying to upload the exact same 2 images. The first request went through fine, but the second one was timeout. It also happens when multiple images are uploaded, some went through, but some didn't. It's happening randomly and I have no idea how to debug it anymore.

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• Reuse an MVC area in multiple MVC applications?

  - by James Newton-King

  I have some common web pages that will be in multiple MVC applications. For those pages I'd like to reuse the same source code (controllers + views) between the different MVC web sites. What is the best way to go about doing this? ASP.NET MVC areas seem like one possibility but they just a sub directory of the website project. Is it possible to reuse an MVC area in multiple MVC applications?

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• Stream multiple files in _one_ ASIHTTPRequest

  - by Snej

  What is best practice to stream multiple files in one ASIHTTPRequest? Right now, for one file I use: .... ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:someUrl]; [request setShouldStreamPostDataFromDisk:YES]; [request appendPostDataFromFile:someFilePath]; [request startSynchronous]; How to stream multiple files without placing all files in memory before transmission?

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• Multiple ClickOnce applications associated with the same file type

  - by Chris Wenham

  I have multiple .Net applications that read the same file type, but when deployed with ClickOnce, the file association in Windows is made to "ClickOnce Application Deployment Support Library", which is what actually launches the program. But once the first .Net application is installed on the workstation, subsequent applications can't be selected in the "Open With" menu, and "ClickOnce Application Deployment Support Library" won't give the user a choice, either. How can I associate multiple ClickOnce-published applications to the same file type so the user can pick between them?

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• apache cxf: multiple endpoint and one endpoint for each servlet

  - by robinmag

  Hi, I've a cxf webservice with multiple endpoint. I've succesfully deploy it. The problem is all endpoint's WSDL appear in the same servlet URL. Please tell me whether it is possible to have multiple endpoint and one endpoint for each servlet so that i have webservice1 at webapp/service1 and webservice2 at webapp/service2. Thank you.

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• Does multiple cpp files correspond to multiple compilation units?

  - by Rahul

  Hello All, Suppose, we have a big Class. and we don't want to break it. In order to maintain code suppose we have created a multiple example1.cpp, example2.cpp, example3.cpp files for single example.h file for class cexample. Does this correspond to multiple compilations units? What is the best approach to handle such big classes? Any suggestions and comments are appreciated. Thank you, RAHUL

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• Obfuscating multiple related .NET assemblies with babel obfuscator

  - by Román

  Hi I have two assemblies, A and B, where A depends on B. I'm trying to obfuscate both of them together, i.e. in a way it doesn't break the app with the babel obfuscator. Is there a way to do that? Apparently this obfuscator doesn't handle multiple assemblies. If that's an issue, which other .NET obfuscator- that handles multiple assemblies- would you recommend?

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• Deleting Multiple Rows with Zend DB Table Problem

  - by davykiash

  I have this data in my db Col1 Col2 DA Data1 DA Data2 DA Data3 DA Data4 DA Data5 I would like to delete all the values WHERE col1 = DA using my Zend DB Table adapter. The code below does not seem to work for multiple rows public function delete($key) { $this->delete('Col1 = "'.$key.'"'); } How can I adjust it so that I can delete multiple rows?

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