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• How to block this URL pattern in Varnish VCL?

  - by iTech

  My website is getting badly hit by spambots and scrappers, I am using Cloudflare but the problem still remains there. The problem is spambots accessing non-existing urls causing a lot of load to my drupal backend which goes all the way and bootstraps db just to serve a 404 error doc. I cant simply dish out non-drupal 404's for all page not found errors, as I need to have drupal catch them. Since, varnish is in front it can check if the bot is acting nice and asking for valid url - if not it servers them a 404 or 403. These bots are causing errors using this pattern : http://www.megaleecher.net/http:/www.megaleecher.net/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_S/Using_iPhone_As_USB_Mass_Storage Now, pls. suggest a regex varnbisg VCL directive which catches this URL pattern and serves a 404 error from varnish, preventing it from reaching apache/drupal ?

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• Multiple SQL Standard Instances on 4 Processor/32-core Server

  - by Theowood

  We have a large 4 processor/32-core server with 192GB of memory available in the data center and over twenty small SQL Standard databases to consolidate. They are a mix of SQL 2012 and 2008 R2 for 3rd-party apps. Is there any issue with simply installing two instances of SQL Standard on the server - one for 2012 and one for 2008 R2 ? Each instance will use up to 64GB out of the 192GB and 16 cores. If we did this with Enterprise, the licensing would be a fortune and the Enterprise features are not needed.

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• Best way to allow fans/users to contribute to a facebook page now that discussions are gone? [migrated]

  - by Scott Beeson

  I run a facebook page with over 23,000 fans. I formerly had users submit recipes to the discussions tab. However, now that it is gone, I'm having difficulty finding a way to let users share recipes. If they simply post it in the stream, it goes away much to quickly. I've tried creating a new note with my personal account and tagging my page, but that does not make it show up in my pages "notes" section. Any ideas would be much appreciated.

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• powershell indentation

  - by Steve B

  I'm writing a large script that deploys an application. This script is based on several nested functions call. Is there any way to "ident" the output based on the depth ? For example, I have : function myFn() { Write-Host "Start of myfn" myFnNested() Write-Host "End of myfn" } function myFnNested() { Write-Host "Start of myFnNested" Write-Host "End of myFnNested" } Write-Host "Start of myscript" Write-Host "End of myscript" The output of the script will be : Start of myscript Start of myfn Start of myfnNested End of myFnNested End of myFn End of myscript What I want to achieve is this output : Start of myscript Start of myfn Start of myfnNested End of myFnNested End of myFn End of myscript As I don't want to hardly code the number of spaces (since I does not know the depth level in complex script), how can I simply reach my goal ? Maybe something like this ? function myFn() { Indent() Write-Host "Start of myfn" myFnNested() Write-Host "End of myfn" UnIndent() } function myFnNested() { Indent() Write-Host "Start of myFnNested" Write-Host "End of myFnNested" UnIndent() } Write-Host "Start of myscript" Write-Host "End of myscript"

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• Is there a direct URL to download Java JDK updates?

  - by Bob Cross

  I have a whole set of machines that are on the other side of a firewall configured to prevent all Javascript from functioning. All of them (Linux 32 and 64 bit configurations) must be updated to Java 6 update 20. This is a problem given Sun/Oracle's URL redirector and download manager: they simply don't appear or don't work. Is there a URL to download the JDK updates and bypass the redirect? Obviously, a yum configuration that would allow for automatic updates would be optimal but I'd be happy to just have the rpm file.

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• Use LAN to interface Synergy while having WiFi connected to internet

  - by freonix

  Similar question and solution I have LAN and WiFi connection, with the WiFi connected to internet and the LAN is simply connected via an Ethernet cable between two computers. I need to get Synergy working without compromising the WiFi internet. I've tried the solution above but couldn't seem to work. Both of the computer are running Windows XP. Even setting the LAN IP to static and under the same subnet doesn't seem to work. Anyone with similar situation and got Synergy to work? edit : Refined the question for clarity. Also, the computer are able to ping each other. Remote desktop can be accessed as well. I suspect the problem lies in Synergy's configuration.

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• Reducing storage cost by moving old files to external USB HDDs. Your thoughts?

  - by cparker4486

  I've got about 300GB of pictures and marketing data that is rarely accessed and I'd like to get it off my main storage. I was thinking to simply add two external USB HDDs to the server and move all the files to one of the drives. The second drive would be the backup destination for the first drive. I'm working with Server 2003 R2 SP2. This will help me free a good amount of space on my main storage as well as reduce the complexity, backup window, and usage of my backups to tape.

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• Locale setting on a Red Hat box

  - by sasuke

  Hi all, Recently our organization got a couple of server boxes which are I guess present in some data-center in UK. The problem is that for some reason the default Locale representation in Java on that server returns en_US instead of the expected en_GB (I confirmed this by running a code on that server which simply outputs Locale.default()). I am pretty sure this has got something to do the way in which the boxes were set up. My question is: what would be the approach to fix this issue now that the OS has been installed? Is there any way I can for a given SSH session set the locale as en_GB instead of the current en_US? TIA, sasuke

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• Boot camp install from a HDD image

  - by Dombou

  How would one go about imaging an old work computer (old IBM aptiva from 2001ish) with Windows XP and lots of stuff (VPN client with settings etc) to a new iMac, while preserving Mac OSX? I can't simply install XP on the iMac and then reinstall/copy across stuff; it NEEDS to be an image. Can you even image smaller HDD's and then place them on large ones, or do they have to be the same size? Recommendations on how I go about this? Edit: It MUST be boot camp. I don't want to virtualize it from within OsX

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• Linux will not activate wireless after device has been re-enabled

  - by XHR

  Using a Eee 900A netbook by Asus. By pressing Fn + F2, I can disable or enable the wireless chip on the netbook, a blue LED indicates the status. I've been able to connect to wireless networks just fine with this netbook. However, if the wireless chip ever becomes disabled, I have to reboot to get my network connection back. This generally happens when suspending. For some reason the LED will be off and I have to hit Fn + F2 for it to light up again. However, after doing so, Linux will not reconnect to the network. It simply changes the wireless status from "wireless is disabled" to "device not ready". Even worse, I've recently had issues with the chip being enabled at boot, thus making it nearly impossible to get connected. I've searched around on-line but haven't found much of anything useful on this. This happens on all kinds of different distros including Ubuntu 9.10 Netbook, EeeBuntu 4 beta, Jolicloud and Ubuntu 10.04 Netbook.

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• How to install Windows on a laptop with no CDROM drive?

  - by Jason Kester

  I have an old Thinkpad X60 that I'd like to wipe clean and rebuild. Seeing as this machine doesn't have an optical drive, what's the easiest way of installing Windows XP? I have an external USB hard drive available. Would it be possible to run the install from that instead? Otherwise, what options do I have? Edit: assuming we're using a USB mass storage device... Is there a BIOS setting that I would need to change, or will it configure itself automatically? Would the USB drive need to be configured in any special manner, or would simply having a copy of the Windows CD files in a directory there be sufficient? Since the first couple answers that came in were basically "yes", I guess I didn't phrase my question correctly. I'm asking for detailed instructions on how to do this, not just a sanity check that I'm headed in the right direction. Thanks!

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• Debian - Can't stop MySQL; permissions?

  - by anon

  I just tried to upgrade from debian squeeze to unstable by replacing 'squeeze' with 'unstable' in /etc/apt/sources.list. The upgrade went smoothly except for mysql, which failed because it couldn't stop mysql. /etc/init.d/mysql stop simply returns that it failed, but if I try to get the status with /etc/init.d/mysql status it gives me this error: me@debian:~$ sudo /etc/init.d/mysql status /usr/bin/mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'debian-sys-maint'@'localhost' (using password: YES)' . mysql is running fine, and I checked the permissions for debian-sys-maint in phpmyadmin and it's allowed to do everything, but only connect from 'localhost.'

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• Looking for an open source real-time network analysis program

  - by JrSysAdmin

  Can somebody recommend an open source real-time network analysis program? What I'm looking for the program to do is display a graph of bandwidth usage by IP within our internal network that can quickly be viewed any time we need to (typically when we want to quickly find out who is utilizing high amounts of bandwidth and slowing down the network). We ideally simply want to hook up a monitor on the wall of our server room to a system whose NIC will be in permissive mode to log all network activity in a visual manner which can easily be seen and running 24/7. Prefer open source as I do not have a budget for this project and prefer open source projects in general. I'd also prefer for this to be available for CentOS but any linux distro or Windows OS would be acceptable. Thanks!

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• Is a "Soft Modem" (i.e. internal) really going to cause incompatibilities?

  - by Farseeker

  Thanks to the fact that our banking industry in Australia... outdated (which is the politest word I could think of when describing the banking industry)... to do a certain kind of transaction our bank requires us to use a dialup modem and send serial data to them. When reading through their documentation (last update: 1995), they state that any "Soft Modems" (by which I assume they mean internal modems, as they refer to a AMR socket on a motherboard, which I haven't seen in donkeys years) should not be used because of "possible incompatibilities" Seeing as buying an external, serial-port modem is actually quite expensive these days and I have a whole box of PCI modems taken out of a bunch of Dells I really don't want to have to buy an external modem. Additionally I think their documentation is simply outdated. Has anyone had experience with internal modems causing issues, where an external modem didn't?

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• IIS7.5 Domain Account Application Pool Identity for SQL Server Authentication

  - by user38652

  In Windows Server 2003/IIS6 land we typically create an app pool that runs as the identity of an AD account created with minimal privileges simply for that purpose. This same domain user would also be granted access to SQL Server so that any ASP.NET application in that app pool would be able to connect to SQL Server with Integrated Security=SSPI. We are making a brave move to the world of Windows Server 2008 R2/IIS7.5 and are looking to replicate this model, but I am struggling with how to make the application pool in IIS7.5 run as the identity of an AD account? I know this sounds simple and hopefully it is, but my attempts so far have been fruitless. Should the application pool identity be a 'Custom account' for a domain account? Does the domain account need to be added to any groups?

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• Transfering SMS messages from iPhone to computer?

  - by green7o7o

  I've got a problem. Maybe the problem had been discussed before. I once come across the problem that my iPhone rejects receiving new SMS but all the SMS are so important that I don't want to delete them. So I simply need to backup your iPhone SMS onto computer or print them or transfer to another iPhone? Here I am looking for a way on how to transfer your SMS from iPhone to computer and keep them in safe. Hope to get answers as soon as possible.

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• Throttling bandwidth on a per group basis

  - by Robreylen

  I am wondering if it is possible to create a bandwidth shaping/throttling script that shapes traffic based on user group. That is, if user1, user2, are in user group group1, they will have 1mb/s download and 1mb/s upload, whilst if user3 and user4 are in group2, they will have 256kb/s download and 256kb/s upload. I've read a bit about this and I found some iptables and TC implementations of a per user solution, but I have not seen anything for a user group. Hopefully it can be simply implemented in form of a custom iptables rules and script running with TC or the like. Here is a script I was looking into that does a system wide throttle: http://atmail.com/kb/2009/throttling-bandwidth/ I assume it is possible to do user group throttling since it is possible for throttling on a per user basis. Thanks for any info you can provide for this question.

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• After a week of smooth running, my Dell t310 servername reverted to the service tag and screwed everything up!

  - by user779887

  Has this happened to anyone else? Began having a tremedous amount of problems with our brand new Dell SBS 2011 T310 server and after nearly 15 hours will Dell support, they determined that the server name hade reverted to DXXXXXXXX ("D: + the service tag). The Dell tech said that this was a major major problem. I'm the only person with any access to the machine and I didn't attempt to change the server name. The tech said it didn't look as if anyone had hacked the box but something had replaced "OurCompanyServer" with "DXX12XX" It would seem to me, simply changing the server name back to what I originally had would correct the problem, but the Dell tech said it wasn't that easy. Anyone encounter this?

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• Automate opening HTML and printing to PDF

  - by craigpatik

  I need a way to automate the following process in Windows 7: Open an .html file in Internet Explorer Print to PDF Save the PDF with a patterned file name (i.e., original_name_YYYY-MM-DD.pdf) Ideally, I could drag and drop several files or open a whole folder of files at once and a PDF would be created for each one. A command line solution is also acceptable. The files have to be opened in the browser because parts of the page are rendered with JavaScript on page load. In other words, if you simply right-click on the file in Explorer and choose "print", the resulting file is not the same because the JS didn't run. If it helps, Internet Explorer can be set as the default browser, and a PDF printer can be set as the default printer.

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• Start a VPN session using a Terminal script

  - by craibuc

  I use an OSX Terminal session to start a VPN connection. The command that I execute at the prompt is: /etc/netlock/cvc -c :: This works as expected. I would like to save this to a script file that I can simply double-click to start. I created a file, 'vpn.command', added the command (list above), save it, and given execute permission: chmod +x vpn.command When I double-click the file, Terminal opens a BASH shell, executes the command, then exits. Upon closer inspection, the command is now '/etc/netlock/cvc -c ::; exit;' Why is the extra '; exit;' appended to my command? BTW, is there a way to execute another command, /etc/netlock/cvc -d, when the Terminal session is being closed so I can close the VPN automatically?

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• Ways to deduplicate files

  - by User1

  I want to simply backup and archive the files on several machines. Unfortunately, the files have some large files that are the same file but stored differently on different machines. For instance, there may a few hundred photos that were copied from one computer to the other as an ad-hoc backup. Now that I want to make a common repository of files, I don't want several copies of the same photo. If I copy all of these files to a single directory, is there a tool that can go thru and recognize duplicate files and give me a list or even delete one of the duplicates?

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• Sysprep.exe completely missing on both of my Windows 7 64bit machines. How should I find a workaround?

  - by Zoltán Tamási

  The sysprep.exe file is simply missing on my Windows 7 64bit machine. I tried to find it on another computer, but it wasn't found there either. I can't understand it, because on a lot of forums and even in the official articles there are a lot of references to this tool. I've checked system, system32, sysWOW64 folders, and even made a full search with Total Commander. I only found a sysprep folder in the system32 folder, but inside was only an en-US subfolder, which was empty. Then I thought I will give my Windows PE bootdisk a try, which I've created a while ago. No result, only the same empty en-US folder is present there as well. Please if anyone knows what's happening, point me to the right direction. I need to clone my system and I'm stuck right at the first step...

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• Syncing Large Directories/Filesystems using USB Drive

  - by Alan Lue

  Does anyone have a solution for syncing large directories/filesystems using just a USB flash drive (and specifically without using a network connection)? The objective is simply to sync a user directory between two computers. The contents of the user directory could amount to a large quantity of data—say, a quantity larger than could be stored on any single USB drive—but the aggregate size of changes that must be propagated by a single sync could easily fit on a USB drive. As an example, suppose a user directory is already synchronized between a desktop and a laptop computer. Here's a use case: Some changes are made in the user directory on the desktop. We mount a USB drive onto the desktop and copy whatever changes need to be applied to the laptop user directory in order to synchronize the desktop and laptop user directories. We now mount the USB drive onto the laptop and apply the changes. The desktop and laptop user directories are now synchronized. Any ideas? Alan

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• What is the network address (x.x.x.0) used for?

  - by Shtééf

  It appears to be common practice to not use the first address in a subnet, that is the IP 192.168.0.0/24, or a more exotic example would be 172.20.20.64/29. The ipcalc tool I frequently use follows the same practice: $ ipcalc -n -b 172.20.20.64/29 Address: 172.20.20.64 Netmask: 255.255.255.248 = 29 Wildcard: 0.0.0.7 => Network: 172.20.20.64/29 HostMin: 172.20.20.65 HostMax: 172.20.20.70 Broadcast: 172.20.20.71 Hosts/Net: 6 Class B, Private Internet But why is that HostMin is not simply 64 in this case? The 64 address is a valid address, right? And whatever the answer, does the same apply to IPv6? Perhaps slightly related: it also appears possible to use a TCP port 0 and an UDP port 0. Are these valid or used anywhere?

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• Can a Windows batch file call another program without waiting for that program to finish?

  - by iconoclast

  I'm using Windows 7, and have a simple batch file to copy portable executables off my thumb drive to %TEMP%, and then start them. The goal is to prevent Windows from holding my thumbdrive hostage until I kill all the programs I started up from it. However the control flow does not continue to the next app unless I kill the first one, which obviously doesn't work for this purpose. In a Unix shell script I'd simply add & after the executable I start up, but I can't find an equivalent for batch files. How can I do this?

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