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• Can I recover data from external HDD or do I format and lose it all?

  - by Col

  I have a Maxtor external HDD 500GB but haven't used it for a year or so. I have plugged it into a new laptop as the one I used it with before is busted. I know that there is a ton of data on the HDD that I would love to have the use of - mostly family and friends photos to be honest. But when I click on the HDD in Windows Explorer the only option I am given is to reformat the drive and lose the data. I'd be grateful if anyone could tell me if there is a way to get the data off the external drive before formatting it and losing it all.

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• Computer temporarily freezes and then resumes

  - by trizicus

  This happens on ALL operating systems (7, Ubuntu, etc.). What happens is everything for 1-3 seconds becomes unresponsive, I then hear what sounds like my other internal hard drive 'spinning up', and then viola everything is responsive again. Note: Already ran SMART tests, no issues at all. I think issue is that the HDD spins down and when need it gets 'turned-on' (OS settings turn off HDD's after 20 mins of inactivity) and because my pagefile is on the other HDD it causes OS to temporarily freeze. Need more tips, and insight. Thanks More info: Running Quad CPU, 4GB RAM, Intel SSD, GT 240.

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• Trying to reinstalling .net framework 4 on windows server 2003 SP2

  - by LBR

  I had a problem with an application that was using .net framework 4. So I tried to fix the installation but it didn't solved. So I proceed to uninstall the framework and install it again. But then the problems started... the setup just wouldn't finish to download the framework. So i tried the full installer, and then it got stuck (freezes) at "installing client profile"... The server works well but the installation progress bar just stays at the same place (but the "wheel" keeps turning, like it was doing something, but stays like this for hours...) I tried the .net clean unistall software but the problem remains. I'm all out of ideas... I've searched the web but couldn't solve the problem with any solution I found... Any ideas on how to force the installation?

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• "Unmet Dependencies" problem when trying apt-get install

  - by GChorn

  Anytime I try to install python packages using the command: sudo apt-get install python-package I get the following output: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: linux-headers-generic : Depends: linux-headers-3.2.0-36-generic but it is not going to be installed linux-headers-generic-pae : Depends: linux-headers-3.2.0-36-generic-pae but it is not going to be installed linux-image-generic : Depends: linux-image-3.2.0-36-generic but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). This seems to have started when these same three packages showed up in Ubuntu's Update Manager and kicked an error when I tried to install them there. Based on the suggestion in the output above, I tried running: sudo apt-get -f install But this only gave me several instances of the following error: dpkg: error processing /var/cache/apt/archives/linux-image-3.2.0-36-generic_3.2.0-36.57_i386.deb (--unpack): unable to create `/lib/modules/3.2.0-36-generic/kernel/drivers/net/wireless/ath/carl9170/carl9170.ko.dpkg-new' (while processing `./lib/modules/3.2.0-36-generic/kernel/drivers/net/wireless/ath/carl9170/carl9170.ko'): No space left on device Now maybe I'm way off-base here, but I'm wondering if the error could be coming from the "No space left on device" part? The thing is, I'm running Ubuntu as a VirtualBox VM but I've got it set to dynamically increase its virtual hard drive space as needed, so why am I still getting this error? Here's my output when I use dh -f: Filesystem Size Used Avail Use% Mounted on /dev/sda1 6.9G 5.7G 869M 88% / udev 494M 4.0K 494M 1% /dev tmpfs 201M 784K 200M 1% /run none 5.0M 0 5.0M 0% /run/lock none 501M 76K 501M 1% /run/shm VB_Shared_Folder 466G 271G 195G 59% /media/sf_VB_Shared_Folder When I perform sudo apt-get -f install and the system says, After this operation, 192 MB of additional disk space will be used. Does that mean 192 MB of my virtual machine's current memory, or 192 MB on top of the rest of my free space? As I said, my machine normally dynamically allocates additional memory from the host machine, so I don't see why there would be memory restrictions at all...

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• bad switchs duplicate my ip

  - by tacoen

  I had a large area LAN. There were many switch and AP on it, then somehow I couldn't ping my servers, and it's said that the IP was duplicated. I use arpwatch and found out that one of the switch flip-flop-ing the IP. I isolated that troublesome switch using his mac-address. But, since this a large area LAN... I doubt this will be the last cases. If there any software or hardware that I can use to prevent this kind of error? Sorry for my bad English.

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• repair/recovery tool for Western Digital Elements (1TB)

  - by Pennf0lio

  My Hard Disk Drive just got corrupted due to electricity fluctuation. When I plug my Western Digital Elements, It ask me if I want to format it or not... I can't see my files or even the capacity of my disk from it's properties. Is there any solution you would suggest? looking for a software that can give me access to my files. I just need to copy it then I can retire my Drive and will buy a new one... Thanks!

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• JavaOne Gangnam Style

  - by Tori Wieldt

  Yes, JavaOne is *the* place for excellent content, including technical information, opportunities to learn best practices from your peers, and access to industry experts. You can find lots of information about content in Java Evangelist Arun Gupta's 25 Reasons to attend JavaOne 2012. But you also have to let your Gangnam Style loose. Here are the Top Ten Fun Reasons to attend JavaOne 2012: 10. Connect with developers from more than 80 countries 9. Kick off the week at GlassFish and Friends Party Sunday night 8. Meet the community of Java Rock Stars 7. Enjoy all San Francisco has to offer 6. Meet your next best friend playing pinball in the Game Zone 5. Have your picture taken with Duke 4. Java in the morning and brews in the afternoon at the Taylor Street Cafe 3. Ride across the Golden Gate Bridge at the Community Geek Bike Ride 2. Rock out at the first-ever Oracle OpenWorld Music Festival and #1... 1. It beats being at work!  If you haven't registered, there's still time. Join us!

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• Conventions for search result scoring

  - by DeaconDesperado

  I assume this type of question is more on-topic here than on regular SO. I have been working on a search feature for my team's web application and have had a lot of success building a multithreaded, "divide and conquer" processing system to work through a large amount of fulltext. Our problem domain is pretty specific. Users of the app generate posts, and as a general rule, posts that are more recent are considered to be of greater relevance. Some of the data we are trying to extract from search is very specific (user's feelings about specific items or things) and we are using python nltk to do named-entity extraction to find interesting likely query terms. Essentially we look for descriptive adjective-noun pairs and generate a general picture of a user's expressed sentiment as a list of tokens. This search is intended as an internal tool for our team to draw out a local picture of sentiments like "soggy pizza." There's some machine learning in there too to do entity resolution on terms like "soggy" to all manner of adjectives expressing nastiness. My problem is I am at a loss for how to go about scoring these results. The text being searched is split up into tokens in a list, so my initial approach would be to normalize a float score between 0.0-1.0 generated off of how far into the list the terms appear and how often they are repeated (a later mention of the term being worth less, earlier more, greater frequency-greater score, etc.) A certain amount of weight could be given to the timestamp as well, though I am not certain how to calculate this. I am curious if anyone has had to solve a similar problem in a search relevance grading between appreciable metrics (frequency, term location/colocation, recency) and if there are and guidelines for how to weight each. I should mention as well that the final fallback procedure in the search is to pipe the query to Sphinx, which has its own scoring practices. Sphinx operates as the last resort in case our application specific processing can't find any eligible candidates.

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• Browser Item Caching and URLs

  - by Damon

  Ultimately you want the browser to cache things like Flash components, Silverlight XAP files, and images to avoid users having to download them each time they hit a page.  But during development it's very useful to NOT have things cached so you are always looking at the most up-to-date file.  You can always turn off caching on your browser, but if you use your browser for daily browsing then its not the greatest option.  To avoid caching we would always just slap a randomly generated GUID to the back of the URL of any items we didn't want to cache (e.g. http://someserver.com/images/image.png?15f073f5-45fc-47b2-993b-fbaa781b926d).  It worked well, but you had to remember to remove the random GUID when it went to production. However, on a GimmalSoft project we recently implemented someone showed me a better way that didn't need to be removed from production code - just slap the last modified date of the file on the end of the URL (or something generated from the modification date).  This was kind of genius approach because it gives you the best of both world.  If you modify the file, the browser goes out and gets the newest version.  If you don't modify the file, it has the cached copy.  Very helpful!  The only down side is that you do have to read the modification date from the file, which does technically take some time.

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• Browser Item Caching and URLs

  - by Damon Armstrong

  Ultimately you want the browser to cache things like Flash components, Silverlight XAP files, and images to avoid users having to download them each time they hit a page.  But during development it’s very useful to NOT have things cached so you are always looking at the most up-to-date file.  You can always turn off caching on your browser, but if you use your browser for daily browsing then its not the greatest option.  To avoid caching we would always just slap a randomly generated GUID to the back of the URL of any items we didn’t want to cache (e.g. http://someserver.com/images/image.png?15f073f5-45fc-47b2-993b-fbaa781b926d).  It worked well, but you had to remember to remove the random GUID when it went to production. However, on a GimmalSoft project we recently implemented someone showed me a better way that didn’t need to be removed from production code – just slap the last modified date of the file on the end of the URL (or something generated from the modification date).  This was kind of genius approach because it gives you the best of both world.  If you modify the file, the browser goes out and gets the newest version.  If you don’t modify the file, it has the cached copy.  Very helpful!  The only down side is that you do have to read the modification date from the file, which does technically take some time.

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• Access to local network machine

  - by Jirka Kopriva

  I have granted new setting from my domain provider. Domain with specific port is pointing on computer in local network (fixed ip) like: mydomain.com:87 -> 192.168.1.1 Local machine is running on win server 2008. Everything works fine on local network. But mydomain.com:87 is not working. Are there extra settings for win server to allow connection from outside? (Firewall is turned off while searching for working result.)

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• IIRF - Redirecting all traffic to the http equivalent

  - by GordonB

  I'm using IIRF and having some trouble getting it to redirect all traffic to the secure version of my sites. So... I have a website with about 20 apps in virtual directories in IIS6. The website takes 80 and 443 traffic. I want to use IIRF to redirect all port 80 traffic EG; http://myserver/app1/page1/param1 http://myserver/app2/ http://myserver To the secure equivalent (https). Here's my config so far; # Iirf.ini # # ini file for IIRF # RewriteLogLevel 1 RewriteLog D:\Websites\Apptemetry\IirfLogs RewriteEngine ON StatusInquiry ON IterationLimit 5 RewriteLogLevel 3 RewriteCond %{HTTPS} off RewriteCond %{SERVER_PORT} ^80$ RedirectRule ^http(.*)$ https$1 Can anyone advise the correct configuration to use, to redirect all traffic?

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• Powershell access a single value in a table

  - by falkaholic

  this should be a really easy one but i can't seem to find an easy way. For example, in powershell and am using a CSV file, which is then used to look up some configuration data based on an ID. Here is what I have now, it works, but there has got to be a better way. $configList = import-csv "C:\myconfig.csv" $id = "5001" $configList | where-object {$_.id -eq $id} | foreach-object{ $configData = $_.configData} If use format-table etc, I always get the column header, which I would then have to cut off. Again, this has got to be really easy and this isn't a show stopper. But there has to be a better way to get just the data out of a table without the column header.

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• Is there a way to share a scanner with an Airport Extreme?

  - by Electrons_Ahoy

  I've got an Airport Extreme as my home network's router. (Sidebar: I love it.) The printer sharing is pretty phenomenal - I've got my printer hooked up to the base station and all the machines in the house can print to it just fine. However, I have one of those combined scanner/printers, and nothing on the lan seems to be able to see the scanner. Is there a way to get the Airport Extreme / Bonjour to also share the scanner half of the device? For the record, this is an all Windows LAN, so I'm using Bonjour for Windows to get the print sharing to work. Also, I'm hoping to not add a whole stack of extra software to the ecosystem - only one machine in the house needs the scanner, so I can just plug the printer back into that machine and share the printer that way. Still, the Airport and Bonjour seem fancy enough that this seems like it should be doable.

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• New whitepaper: Evolution from the Traditional Data Center to Exalogic: An Operational Perspective

  - by Javier Puerta

  IT organizations are struggling with the need to balance the day-to-day concerns of data center management against the business level requirements to deliver long-term value. This balancing act has proven difficult and inefficient: systems and application management tools are resource intensive and traditional infrastructure management architectures have developed over time on a project by project basis. These traditional management systems consist of multiple tools that require administrators to waste time performing too many steps to handle routine administrative tasks. Operational efficiency and agility in your enterprise are directly linked to the capabilities provided by the management layer across the entire stack, from the application, middleware, operating system, compute, network and storage. Only when this end to end capability is provided will we experience the full benefit of a scalable, efficient, responsive and secure datacenter. Managing Exalogic is substantially less complex and error prone than managing traditional systems built from individually sourced, multi-vendor components because Exalogic is designed to be administered and maintained as a single, integrated system (Figure 1). It is at the forefront of the industry-wide shift away from costly and inferior one-off platforms toward private clouds and Engineered Systems. Read the full whitepaper "Evolution from the Traditional Data Center to Exalogic: An Operational Perspective". Full document is available for download at the Exadata Partner Community Collaborative Workspace (for community members only - if you get an error message, please register for the Community first).

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• New Whitepaper: Evolution from the Traditional Data Center to Exalogic: An Operational Perspective

  - by Javier Puerta

  IT organizations are struggling with the need to balance the day-to-day concerns of data center management against the business level requirements to deliver long-term value. This balancing act has proven difficult and inefficient: systems and application management tools are resource intensive and traditional infrastructure management architectures have developed over time on a project by project basis. These traditional management systems consist of multiple tools that require administrators to waste time performing too many steps to handle routine administrative tasks. Operational efficiency and agility in your enterprise are directly linked to the capabilities provided by the management layer across the entire stack, from the application, middleware, operating system, compute, network and storage. Only when this end to end capability is provided will we experience the full benefit of a scalable, efficient, responsive and secure datacenter. Managing Exalogic is substantially less complex and error prone than managing traditional systems built from individually sourced, multi-vendor components because Exalogic is designed to be administered and maintained as a single, integrated system (Figure 1). It is at the forefront of the industry-wide shift away from costly and inferior one-off platforms toward private clouds and Engineered Systems. Read the full whitepaper "Evolution from the Traditional Data Center to Exalogic: An Operational Perspective". Full document is available for download at the Exadata Partner Community Collaborative Workspace (for community members only - if you get an error message, please register for the Community first).

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• How to step down voltage from 208V to 110V

  - by Eric Dennis

  I have some racks that will be fed by 208V/20A circuits. These circuits will be conditioned and battery-backed by the facility in which these racks will live. 99% of the devices in the rack will be able to support 208V input, so I plan to use these PDUs. However, there may be one or two odd devices that will need 110V input. I know that I can use a step-down transformer to provide 110V for these devices, but that seems like overkill for such a small number of devices, plus I don't want to pay extra for the UPS functionality since my power will already be battery-backed. Any suggestions for something I can use for these one-off 110V devices?

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• What would prevent a .BAT file from being run on a mapped drive?

  - by JBurace

  In WinXP SP3, I have a .BAT file on a mapped drive. When I try to run this .BAT file (or even right click-edit) it gives me: --------------------------- Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item. --------------------------- OK --------------------------- This happens with any .BAT file, no matter what is within the file. If the file is on my local computer (like C:) it will run just fine. If someone else runs it from another computer (on the same mapped drive), it runs just fine. I have full permissions on the drive; I can edit/delete/save/write/create in that folder and/or .BAT file and I've ruled out permissions being the issue. It seems like a security prevention, but I can't tell what it would be. It would have to be something on my PC, but I don't use any 3rd party software. What would cause this error?

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• What SATA drive should I install FreeBSD onto? i.e. ar0 vs da0 vs ad4/5

  - by Matt

  I'm installing FreeBSD 8.0 on a server that has hardware SATA Raid. I'm just wondering. What is the difference between these devices. i.e. ar0, da0, ad4, ad5 I take it that ad4 & 5 are my two disks. Somehow the OS can see them individually even though it's one logical mirrored drive. Should I be installing it onto ar0 or one of the adX disks. What is da0? it's smaller than the others. ar0 is not some kind of software raid device is it? Just want to make sure I don't mess this up right from the get go.

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• 11.10 system crashes for no apparent reason [closed]

  - by varanoid

  I'm relatively new to Linux, and while I know a fair amount about computers and programming, it certainly isn't my specialty. I have a dual boot with Windows 7, and it has been working very well for me until recently. Just randomly the computer will freeze. The last time I was smart enough to keep the System Monitor open when it happened, and it looks like at the time of freezing "bash" and a bunch of other processes that I don't recognize seem to have flooded the memory. So it looks like my memory is getting overloaded and this is what is crashing the system, but I honestly have no idea what could be doing it. Generally I have a bunch of programs running, but they don't take much RAM or CPU: Transmission, Libre Office Writer, Firefox, Empathy, and Banshee. Sometimes I also have Text Editor and Terminal open, but it crashes regardless. When it crashes, it seems that all of the programs are working fine but things like windows, the taskbar, and operations like Alt+Tab just stop working properly or at all. Sometimes the mouse and keyboard freeze and I have to power off manually. Other than that I don't know what the problem is. The only irregularity I've experienced is that I can't download "Debian package management system" even though other updates download fine.

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• I have a wireless Canon P560 and my computer can't find it

  - by ed

  The printer is wireless and I haven't connected it via USB. I set the configurations for the Wi-Fi access point in the printer and it connected to my Wi-Fi. I have AT&T as the service provider and the 2Wire router. When I access the router in the browser I see that the printer is connected but when I run the software to detect the printer the computer can't find it. I have a Mac with Snow Leopard. I tried to detect the printer with another device and it can't find it. Is there a port that needs to be open for wireless printers? Because I tried putting the routers firewall settings for the device to its lowest and the computer still can't find it. Let me know. Thnx.

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• How could all of my hard drives fail at once?

  - by Taylor

  I have an Ubuntu 13.04 server. Today I found the box had crashed. I restarted it, and now every single hard drive's partition table is missing. (1 SSD for /boot, /, and 3 2TB drives for RAID). I have the SSD connected to a laptop VIA USB-SATA cable, and sure enough, the partition table is missing. This tells me that the Motherboard / SATA controller / software actually broke the drives, not that they just can't be read correctly. Something similar happened to only the SSD a few months ago, and I was forced to just re-partition it. How the heck could his have happened? Bad Motherboard or SATA controller?

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• Config Time Service on Server 2008 DC using Group Policy Only

  - by Ed Fries

  I want to configure the Time Service using only GP in a Server 2008 R2 domain. I have created a GP as follows: Computer Config, Policies, Administrative Templates, System, Windows Time Policy: =Global Configuration Settings -Enabled w/ default settings. Computer Config, Policies, Administrative Templates, System, Windows Time Policy,Time Providers: =Configure Windows NTP Client -Enabled w/ default settings. =Enable Windows NTP Client -Enabled w/ default settings. =Enable Windows NTP Server -Enabled w/ default settings. The policy is linked, enforced and applied to Domain Controllers OU. The GP modeling results shows the policy is in effect on the DC (Single DC domain) and the DC is recognized as the PDC emulator. I have run gpupdate /force and logged off/on. The issue is that the DC shows the time source as internal. I understand I can force this at the cmd line using w32tm to set the peer but I would like to understand what is missing in the GP. The default NTP Client GP setting includes time.windows.com,0x9 as the source but it does not appear to be taking effect.

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• Which universal or driverless printing solution do you use/recommend?

  - by Matt

  I'm in need of a driverless printing solution for Microsoft Terminal Services 2003/2008. This is mainly to support clients who are connected through broadband into our hosted servers. We were hoping that MSTS 2008 thinprint would be the answer but unfortunately it performs poorly in the print area. The files are too large. I found the following slightly outdated URL: http://www.msterminalservices.org/software/Printing/ This lists a number of products but I have no experience with any of them. I'd like a product that works/easy to install (as our clients are remote and not particularly tech savvy) and ideally I just pay for the server license and not every clients. What is your experience/recommendation and tips you can offer me in regards to TS printing? thanks in advance.

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• "Device Not Ready" when attempting to connecting an old (DOS) hard drive to windows 7

  - by Christopher Vigliotti

  I have an old Western Digital Caviar 2540 hard drive that I am attempting to connect to a Windows 7 machine by using a Bytecc BT-300 USB 2.0 to IDE/SATA Adapter. I'm connecting things in the right order (power, then sata, then usb) and the jumper settings on the drive are at present set to slave, but am still having an issue. I am recieving a message that the drive is not initialized. When I go into Computer Management I can see the drive (as "Disk 5, Unknown, Not Initialized"), but when I attempt to initialize it or right-click and select "Offline" It tells me that "the device is not ready". Is there something that I can to to get around this, connect the drive and copy the data that I need off of this drive? Is there a third party tool available that I can use?

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