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  • About the new Microsoft Innovation Center (MIC) in Miami

    - by Herve Roggero
    Originally posted on: http://geekswithblogs.net/hroggero/archive/2014/08/21/about-the-new-microsoft-innovation-center-mic-in-miami.aspxLast night I attended a meeting at the new MIC in Miami, run by Blain Barton (@blainbar), Sr IT Pro Evangelist at Microsoft. The meeting was well attended and is meant to be run as a user group format in a casual setting. Many of the local Microsoft MVPs and group leaders were in attendance as well, which allows technical folks to connect with community leaders in the area. If you live in South Florida, I highly recommend to look out for future meetings at the MIC; most meetings will be about the Microsoft Azure platform, either IT Pro or Dev topics. For more information on the MIC, check out this announcement:  http://www.microsoft.com/en-us/news/press/2014/may14/05-02miamiinnovationpr.aspx. About Herve Roggero Herve Roggero, Microsoft Azure MVP, @hroggero, is the founder of Blue Syntax Consulting (http://www.bluesyntaxconsulting.com). Herve's experience includes software development, architecture, database administration and senior management with both global corporations and startup companies. Herve holds multiple certifications, including an MCDBA, MCSE, MCSD. He also holds a Master's degree in Business Administration from Indiana University. Herve is the co-author of "PRO SQL Azure" and “PRO SQL Server 2012 Practices” from Apress, a PluralSight author, and runs the Azure Florida Association.

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  • LiveCD/USB boot issues with Ubuntu 12.04 on blank drive

    - by Richek
    Not sure how common this issue is, or even how badly I may be missing something simple, but I am a first time usuer having some serious problems. Some background: old HDD running Windows 7 developed too many bad sectors and is bricked. I'm attempting to install Ubuntu 12.04 on a fresh 1TB drive by booting from a liveCD USB flash drive. I've not been able to get past the initial menu screen, however, as the process stalls out shortly after selecting an option (both boot from drive and install to drive). I've tried multiple USB drives as well as CDs, modified the boot order, flashed BIOS, and even tried booting with only the flash drive and the keyboard connected with the same results.Typically what I observe is that the OS begins what I think is compliling, listing drivers and components before freezing on one. When the keyboard is plugged in, its the keyboard driver, before I flashed BIOS, it was a BIOS related item, now its an unknown entry. The computer seems to be reading the drive (idicated by USB light flashing or CD drive reving) for roughly 10 minutes with no progress, followed by the drives going quiet. Some spec info: Motherboard: ASUS P5Q Pro, BIOS version 2102 (latest version), Intel chipset CPU: Intel Core 2 Duo E8400 Wolfdale 3.0GHz help would be appriciated!

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  • Using a random string to authenticate HMAC?

    - by mrwooster
    I am designing a simple webservice and want to use HMAC for authentication to the service. For the purpose of this question we have: a web service at example.com a secret key shared between a user and the server [K] a consumer ID which is known to the user and the server (but is not necessarily secret) [D] a message which we wish to send to the server [M] The standard HMAC implementation would involve using the secret key [K] and the message [M] to create the hash [H], but I am running into issues with this. The message [M] can be quite long and tends to be read from a file. I have found its very difficult to produce a correct hash consistently across multiple operating systems and programming languages because of hidden characters which make it into various file formats. This is of course bad implementation on the client side (100%), but I would like this webservice to be easily accessible and not have trouble with different file formats. I was thinking of an alternative, which would allow the use a short (5-10 char) random string [R] rather than the message for autentication, e.g. H = HMAC(K,R) The user then passes the random string to the server and the server checks the HMAC server side (using random string + shared secret). As far as I can see, this produces the following issues: There is no message integrity - this is ok message integrity is not important for this service A user could re-use the hash with a different message - I can see 2 ways around this Combine the random string with a timestamp so the hash is only valid for a set period of time Only allow each random string to be used once Since the client is in control of the random string, it is easier to look for collisions I should point out that the principle reason for authentication is to implement rate limiting on the API service. There is zero need for message integrity, and its not a big deal if someone can forge a single request (but it is if they can forge a very large number very quickly). I know that the correct answer is to make sure the message [M] is the same on all platforms/languages before hashing it. But, taking that out of the equation, is the above proposal an acceptable 2nd best?

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  • How do I rewrite *.example.com to www.example.com?

    - by Lekensteyn
    In my network, I've some Ubuntu machines which need to download files from nl.archive.ubuntu.com. Since it's quite a waste of time to download everything multiple times, I've setup a squid proxy for caching the data. Another use for this proxy was rewriting requests for archive.ubuntu.com or *.archive.ubuntu.com to nl.archive.ubuntu.com because this mirror is faster than the US mirrors. This has worked quite well, but after a recent install of my caching machine, the configuration was lost. I remember having a separate perl program for handling this rewrite. How do I setup such a squid proxy which rewrites the host *.example.com to www.example.com and cache the result of the latter?

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  • Suggestions for a Self-serv advertising service

    - by Mystere Man
    I am seeking a self-serv advertising service for my websites, but I have a few restrictions that seem to make what i'm looking for hard to find. Specifically, I want to place "advertise here" links on my pages and allow end-users to purchase advertising on that site, page, and location. These ads will not be part of a national network. Supports multi-tenancy - That is, I have a number of domains using the same "web application" but with customized content per domain. When a customer wants to advertise on a given domain, then the ads will only appear on that domain and on that page of the domain (even though the page name may be the same across multiple domains). Supports fixed ad prices, not just CPC. I need monthly and quarterly pricing regardless of performance. Integrates with OpenX and other ad networks, so that if there is no self-serv on a given zone, it will use national advertising or direct advertising. Shiny Ads has much of this, but i'm looking for alternatives, as their prices are a bit crazy (20%) and can only do PayPal.

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  • Would NetBSD be a good choice for a web server?

    - by Alexander
    I've the choice of crafting a NetBSD image for a Xen VPS host, and was just wanting to play around as I like BSD and wished to use it for my general web hosting. I will be hosting a low-mid traffic website and maybe a few other simple services. Do you think NetBSD would be a sufficient choice, in terms of general performance of multiple system users and fair amount of traffic to Apache compared to what Linux could normally handle? I am concerned if I do start to really like it and keep it, I may be limiting myself if I am to move further with my web host and get more traffic (and maybe a lot of FTP access and user shell accounts) Ken

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  • How far do I take Composition?

    - by whiterook6
    (Although I'm sure this is a common problem I really don't know what to search for. Composition is the only thing I could come up with.) I've read over and over that multiple inheritance and subclassing is really, really bad, especially for game entities. If I have three types of motions, five types of guns, and three types of armoring, I don't want to have to make 45 different classes to get all the possible combinations; I'm going to add a motion behavior, gun behavior, and armor behavior to a single generic object. That makes sense. But how far do I take this? I can have as many different types of behaviors as I can imagine: DamageBehavior, MotionBehavior, TargetableBehavior, etc. If I add a new class of behaviors then I need to update all the other classes that use them. But what happens when I have functionality that doesn't really fit into one class of behaviors? For example, my armor needs to be damageable but also updateable. And should I be able to have use more than one type of behavior on an entity at a time, such as two motion behaviors? Can anyone offer any wisdom or point me in the direction of some useful articles? Thanks!

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  • How to elegantly selectively exclude FreeBSD network traffic from OpenVPN interface by port

    - by Polygonica
    inexperienced sysadmin here. I'm planning on running a net daemon inside a FreeBSD jail through OpenVPN, but want to be able to SSH directly into the jail and use the daemon's web interface daemon without going through the VPN. As I understand it, an OpenVPN tunnel is normally set up as a default virtual internet interface, and so incoming traffic will go out on the OpenVPN interface by default (which is problematic, as this incurs latency). I thought "well, obviously, since all of this traffic is leaving on a handful of ports, I'll just redirect those to the non-VPN gateway." I've tried to look for solutions, but almost all of them involve iptables instead of ipfw (which is default for FreeBSD) and solve slightly different problems. And alternate solutions like using multiple default routes to ensure that incoming traffic on any interface is always sent out on the same interface seem far-reaching and require deep knowledge of all tools involved. Is there an elegant way of ensuring that traffic leaving on specific ports exits on a specified non-default interface using ipfw?

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  • For a large website developed in PHP, is it necessary to have a framework?

    - by Martin
    I am wondering if it is necessary to have a framework or if it is a must-have if I plan to make a large website. Large website could mean a lot of things: in other words, multiple dynamic web pages (40-50 dynamic pages, mysql content) and a lot of visitors (+- a million hits per month). The site will be hosted in a dedicated server environment. I know that it could simplify coding for a developer team, that it includes libraries and a lot of advantages. But I just feel that I don't need that. I think that learning how it works, managing it and installing it would take more time and I could use that time to code. I write PHP the simplest way I could (with performance in mind) and I try to reuse my code/functions/classes most of the time and I make sure that if another developer joins the team, that he won't be lost in the code. I am also planning to use MemCached or another Cache for PHP. As I said, the site will be hosted in a dedicated server environment but will be entirely managed by the hosting company. I am pretty sure the control panel for me to control the basic stuff will be Cpanel. For a developer like me that only knows PHP, Javascript, HTML, CSS, MYSQL and really basic server management, I feel that it seems to complicated to have a framework. Am I wrong? Is it worth the time to learn all about it? Thank you for your opinions and suggestions.

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  • Program to dump ID3 tag structure

    - by grawity
    Is there a program that would dump the complete structure of ID3v2 tags? Not just the frame names and values, but full information such as frame order, text encoding, description encoding (for TXXX frames), presence of unsynchronization, presence of multiple tags... Background: I'm rather curious why some files are incompatible with some programs. For example, some ID3v2.4 tags written by foobar2000 are not read by Winamp; editing with Mutagen fixes them but editing with foobar2000 breaks again. It's not the version or data encoding – most other v2.4 UTF-16 tags work fine... However, if I use foobar2000 to convert the tags to v2.3, then back to v2.4, they start working fine in Winamp – this last bit just does not make any sense. Edit: Linux or/and Windows.

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  • cluster of services and restarting on package upgrade

    - by Marcin Cylke
    I'm using puppet to manage a bunch of servers. Those servers run a simple service - exposed to the world via load balancer. That service's instances are independent in that they can run on their own, are are deployed on multiple servers to increase responsiveness. Now, when I push a new package to repo and puppet catches up with it appearing there it just updates this package on all services. This results in a short downtime of entire service. Is there a way of configuring puppet to do restart the services sequentially? Or using any other kind of strategy?

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  • How can I setup a Firewall without NAT?

    - by SRobertJames
    We have 16 IP addresses from our ISP, and are setting up a SonicWall Firewall. I'd like to have the SonicWall do NAT for the LAN, but act as a firewall only (no NAT) for the servers which are using some of the 16 addresses. How do I set this up? If I set the WAN's subnet to include the 16 IPs, the SonicWall won't route the traffic to the LAN interface. Should I set the WAN subnet to only include the ones we are dedicating for NAT, and then keep the others on the LAN? Related point: How can I set multiple IP addresses for a SonicWall LAN interface?

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  • How to login without entering username and password

    - by torbengb
    I'm a newbie running Ubuntu 9.10. I have two users (wife and me), and each user's screensaver is set to lock so that on wakeup, we get to choose which user's desktop to go to. However, Ubuntu requires a password, so this is pretty tedious. I'd like to switch users without entering any password. I know about this trick that works for the boot login, but it doesn't deal with multiple users. Is it possible to set empty passwords for users in Ubuntu, or skip the password in other ways? (I'm expecting real Linux users to suggest that passwordless users must not get any rights and there be an admin user with a strong password. Yes, you're right. But that's not what this question is about. Thanks.)

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  • Serializing network messages

    - by mtsvetkov
    I am writing a network wrapper around boost::asio and was wondering what is a good and simple way to serialize my messages. I have a message factory which can take care of dispatching the data to the correct builder, but I want to know if there are any established solutions for getting the binary data on the sender side and consequently passing the data for deserialization on the receiver end. Some options I've explored are: passing a pointer to a char[] to the serialize/deserialize functions (for serialize to write to, and deserialize to read from), but it's difficult to enforce buffer size this way; building on that, I decided to have the serialize function return a boost::asio::mutable_buffer, however ownership of the memory gets blurred between multiple classes, as the network wrapper needs to clean up the memory allocated by the message builder. I have also seen solutions involving streambuf's and stringstream's, but manipulating binary data in terms of its string representation is something I want to avoid. Is there some sort of binary stream I can use instead? What I am looking for is a solution (preferrably using boost libs) that lets the message builder dictate the amount of memory allocated during serialization and what that would look like in terms of passing the data around between the wrapper and message factory/message builders. PS. Messages contain almost exclusively built-in types and PODs and form a shallow but wide hierarchy for the sake of going through a factory. Note: a link to examples of using boost::serialization for something like this would be appreciated as I'm having difficulties figuring out the relation between it and buffers.

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  • Beta Period Closed for "Java EE 6 JavaServer Faces Developer Certified Expert Exam" Certification Exam (1Z1-896)

    - by Brandye Barrington
    The beta period is closed for Java EE 6 JavaServer Faces Developer Certified Expert Exam (Exam 1Z1-896), and registration is now open for the production version of the exam. Passing this exam leads to the Oracle Certified Expert, Java EE 6 JavaServer Faces Developer certification. Earning a JavaServer Faces certification can help you deliver lower cost and faster time to market by allowing the experienced Java developer to take the web page from conception to delivery, removing the need for multiple collaboration with web designers and developers. With the range of products built on JSF, developing an expertise through certification on this technology can open the door to a variety of opportunities and give you an edge over your peers. This certification is also a valuable addition to your existing Java EE 5 and EE 6 certifications, increasing your marketable skills and solidifying your credibility. While training is not required for certification, the Java EE 6: Develop Web Applications with JSF course from Oracle University, can expedite you towards your certification. Visit pearsonvue.com/oracle and register for exam 1Z0-896. You can get all preparation details, including exam objectives, number of questions, time allotments, and pricing on the Oracle Certification website. QUICK LINKS: Certification Track: Oracle Certified Expert, Java EE 6 JavaServer Faces Developer Certification Exam: Java EE 6 JavaServer Faces Developer Certified Expert Exam (1Z1-896) Recommended Training: Java EE 6: Develop Web Applications with JSF Certification Website: About Beta Exams Register Now: Pearson VUE

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  • is there a checklist that a small website should

    - by Mecon
    I am not a web developer - this would be my first foray. I can do HTML/CSS/Javascript, but never created a website for a company. If anybody is creating a site for small company (expecting some 10-15 static pages), what kinda things would it need to have? I am thinking of the following: Make the eventual owner buy in his/her name: Domain name, Web Hosting package and Email package. Q - DO Web Developers generally ask their clients to buy this stuff and then ask them to share their passwords? OR - Do Web Developers ship the source files to clients so that they can upload it? Create Cross Browser compatible HTML+CSS+javascript pages Add SEO stuff like Meta tags and xml file for crawler Buy professional images from stock website Q - IS there is a best-practice for this step? Add Copyright stuff. Q - ANY idea about how to do this? Add Faceboook widgets, so people can 'like' my website. Register website somewhere so that its searchable from multiple search-engine/yellopages. Q - DOES such a thing exist? Please check my checklist :) and let me know what you think could be missing? Thanks!

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  • How to make ip Address static (eth0)

    - by Jordan Angelucci
    I'm having a really hard time configuring ubuntu 13.04 to have a static ip address. I have tried multiple solutions but everytime I reboot (can't do the network reset command because ubuntu freezes) I end up with no connection. Here is what I get when i type ifconfig into the terminal: eth0 Link encap:Ethernet HWaddr 10:bf:48:bc:07:cb inet addr:192.168.0.8 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::12bf:48ff:febc:7cb/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1763067 errors:0 dropped:0 overruns:0 frame:0 TX packets:1024326 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2284491220 (2.2 GB) TX bytes:136809317 (136.8 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:1840 errors:0 dropped:0 overruns:0 frame:0 TX packets:1840 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:185688 (185.6 KB) TX bytes:185688 (185.6 KB) I have also tried this: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.160 netmask 255.255.255.0 broadcast 192.168.0.255 gateway 192.168.0.1 dns-nameservers 24.222.0.94 dns-nameservers 24.222.0.95 If anyone could help me it would be very much appreciated.

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  • Vim: What do these short names / verbs like <leader>, <C-r> mean?

    - by Ambidex
    I'm using Vim for a while now, starting to like it more and more. But when searching for some new features that Vim has in it's goodie bag, I'm often slapped in the face with things like <Leader> <C-r>, etc... I'm feeling really stupid for not being able to relate these to keys, commands, or what soever they should mean. I've also been searching multiple times for the use of these verbs, but I think I'm not using the correct search queries to get to the right explanation pages. Could someone give me a push in the right direction or maybe summarize the meaning / workings of these verbs? I thank you in advance!

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  • Multithreaded Windows FOR batch command

    - by Axarydax
    Hi, do you know if there is a simple way to run FOR command in batch file on multiple threads? What's the point of having 4 cores if I can't run my tasks in 4 parallel threads? For example, if I am optimizing PNGs with PNGOUT, the command I would use is for %i in (*.png) do pngout "%i" But this is highly paralellizable task in which the sub-tasks do not depend on each other at all. To run this in 4 'queues' I'd write something like for -thread 4 %i in (*.png) do pngout "%i" Do I need to write my own for-like app that would be able to do this or is there available free solution?

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  • if exist !SOMEPATH! not working in batch file

    - by akash
    I have a batch script in which i am using multiple if exist statement, the problem is all statements are working except one . Following variables are set SETLOCAL ENABLEDELAYEDEXPANSION SET basedrive=E: SET tfworkspace=!basedrive!\TFS SET envdefault=%1 SET projenv=!envdefault! echo subapp=!subapp! subappservice=!subappservice! SET tfworkspacepath=!tfworkspace!\!releasebranch!\!app!\!subapp! SET tfworkspacepathservice=!tfworkspace!\!releasebranch!\!app!\!subapp!\sourcecode\build\!projenv! This statement works, if exist "!tfworkspacepath!" (robocopy "!tfworkspacepath!"\sourcecode\messagebroker\ /E /NFL /NJS /NDL /ETA "!basedir!\!messagebroker!" ) else SET /a foldererror=1 This statement doesn't work, by does not work i mean even thou the path does not exist it it still tries to robocopy. if exist !tfworkspacepathservice! ( robocopy !tfworkspacepathservice! /E /NFL /NJS /NDL /ETA "!basedir!\!scripts!") else SET /a foldererror =!foldererror!+1 I am new to batch writing, please guide me

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  • Modular building technique with angles? (A roof)

    - by Mungoid
    Ive been spending a bit of time lately studying the modular buildings of many games and reading/viewing several tutorials about it as well, but almost every example I see uses a plain square building that does not have any angled roof or similar. In all my applications (CS6, Blender/Max, UDK) I adhere to the same grid spacing and I get pretty good results, but trying to make modular angled pieces is confusing me as I'm not sure the best way to approach it. Below is some shots of my template sheet and workflow I have been doing. Should I do the roof separately or is it possible for me to keep it in the same texture sheet? The main issue is below. I have made a couple modular roof pieces but when i try to use them, i end up needing to model multiple other parts to fill gaps based on what roof shape i want. I then model those 'filler' pieces and now i have that much less space left in my texture sheet and those pieces are usually not that reusable for anything else. This is where im not sure how to proceed. If anyone has any links to documents or papers talking about this or advice, I would greatly appreciate it! =-) My main roof pieces with the gaps My power of 2 texture sheet, with 16x16 grid squares. The texture sheet loaded into blender on a 16x16 plane and starting to separate and extrude.

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  • Control cell reference increment when dragging a forumula in Libre Office Calc (3.5)

    - by Chuck
    Using Libre Office Calc (3.5) and have a question. When copying a formula that references cells into multiple empty cells the default is to increment each cell reference by one column or row, depending on the direction that the formula is being drug. A formula '= 1 + A1' drug horizontally changes to '= 1 + B1' when pulled one cell to right and '=1 + A2' when pulled one cell down. Is there a way to control increase the increment of the referenced cell? Is is possible to have a formula '= 1 + A1' that effectively changes to '= 1 + A3' when drug down one cell, '= 1 + A5' when drug down two cells, etc? If it matters, I am trying to take a constantly updating master list of data that is organized by dates (Wednesdays and Saturdays) and create separate spread sheets for each day of the week that can be updated by only pulling down the formula into the next cell. My attempts at using the 'lookup' function, 'offset' function, and creating a sort column in Libre Office Calc are thwarted by my inability to figure out how to get around the single step increment when pulling a formula down into the next cell. Thanks

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  • Is (Ubuntu) Linux file copying algorithm better than Windows 7?

    - by Sarath
    Windows Copying is a real mess ever since Windows Vista. Even Microsoft claims they've improved the performance, from a user perspective, it's not quite visible. Even with single file the copying window appears too much time for 'Calculating' and then finishing the copy(Even after 100% completion some times the dialog remains active). At the same time, I was backing up some files in Ubuntu Linux. I felt it's really fast. Might be a feeling caused by faster UI updates. I read an informative post from Jeff Atwood few years back on Windows File Copying. but what my specific questions are Is (Ubuntu) Linux file performance is better than Windows-7? Are both algorithms, Windows and Linux is making use of multiple threads and pipelining mechanism to improve the speed? If yes, which one is better?

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  • How do I assign a MBP's Mission Control button (F3) for use in Windows 7?

    - by Everett
    I have a recent Mac Book Pro that I triple boot (OS X, Win7, BT5). I'd like to use the Mission Control button (F3) in Windows 7 on my MBP to call Dexpot's "Windows Catalog." Does anyone know of: 1) A setting in Windows (Registry adjustment, etc) that I could assign for this to work? 2) A setting in Dexpot that would configure this? 3) A piece of software that does this? My preference for the answer is in the order above. If I get multiple answers, the one that works, that is posted first, that does what 1) states, gets selected. If 1) won't work, I'll select from answers to 2), etc...

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  • Autoplay for USB drive keeps popping up

    - by Adam Haile
    I have a Seagate external 2TB USB drive that when I leave it plugged in, the Autoplay dialog asking what to do with the drive pops up about once every 30-60 minutes. No matter how many times I tell it to go away, it keeps coming back. I have tried multiple power supplies, USB cables, and all the USB ports on my machine...but it keeps doing the same thing. Also, this does not happen with the same drive on a different computer. Could this be some power or configuration setting that is causing this? I'm running Windows 7 x64 (the computer it works on is x86)

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