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  • How to fix an SSD

    - by anonymous
    I have a Samsung 128 go SSD : MZ5PA128HMCD-01000. When I'm using it : there is always I/O errors. I tried to secure-erase it. But it is impossible to create a new NTFS (or any filesystem...) partition because I still get I/O errors. I tought maybe upgrading the firmware will solve the problem. Unfortunately, I'm not able to upgrade the firmware with Samsung SSD Magician Tool ... because Magician says there is no Samsung SSD on my computer... Is there a way to make Magician recognize this Samsung MZ5PA128HMCD-01000 SSD? Is another tool available to flash any firmware on a SSD? What should I do to fix this SSD?

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  • Evaluate dynamically constructed JSP at runtime

    - by Sandy
    I have a requirement where in the JSP page itself is created by the user and stored in the database. When viewing results we need to render this JSP to the client, evaluating all tags inside this JSP. I am aware that it is doable as OpenCMS and Blogger both implement this functionality. But, I just can't find the right way. Any pointers on how to do this? [Added] Note: I cannot write a temporary file on disk for the purpose :(

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  • sudo: must be setuid root

    - by Phuong Nguyen
    Recently, due to some messy stuff with master boot record, I have to re-install my Ubuntu. Before doing that, I back up all folder (exclude root, bin, sbin, tmp, media, mnt) to a NTFS partition. After installation of Ubuntu, I copied back all the folder using a nautilus (running by sudo nautilus). After that, I reboot my computer. And boom, now I cannot run sudo any more, my network services cannot run. When I run sudo from a terminal, I ge "must be setuid root" error. In ubuntu, root account is disabled by default, I don't know why all these files is no longer under ownership of my account. How would I recover back?

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  • Windows 7 Can't Get Past Format

    - by Soren
    Just assembled a new machine: MSI 880GM-E41 motherboard 500GB Samsung hard drive AMD Athlon II X4 640 processor 4GB RAM Windows 7 64 Bit LITE-ON Black 4X Blu-ray reader I boot up, start the install. When it gets to the screen to select what partition, the motherboard loses power. It doesnt make sense, I can leave it in the bios settings for a very long time and it doesnt lose power. When it does lose power, the monitor shuts down and the mouse loses power, but the power light stays on. I cannot tell if it is a harware or software problem.

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  • very large image manipulation and tiling

    - by Mohammad
    I need to a software , Program(Java),or a method for tiling very larg images (more than 140MB). I have used imagemagic and convert tools photoshop and corel draw and matlab (in win os) but I have problem with memory amount.and memory is not enough.imagemagic is very slow and result is not desirable. I dont know how can i only load a small part of image on hard disk to RAM .(with out load whole image from hard)

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  • HP DL380 RAID5 Mistake

    - by Eddy
    I had drives fail in both logical drives on a server. When I replaced failed 146GB drive in Raid 5 array with four (4) 146GB drives. On reboot the Smart Array controller asked if I wanted to accept data loss. Guess mistake to choose yes. Can't seem to find a way to get system to repair RAID5 but it seems to want to just create a new partition. Is there anyway I can go back and get the system to restore the data from other three drives now that I said accept data loss?

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  • External Hard-Drive Randomly Ejects; Stays On

    - by Kaleb F.
    My 250GB I/O Magic USB external hard-drive randomly disconnects / ejects from the computer after between 2-30 minutes of use. When this happens, the blinking activity light on the front of the hdd turns off; however, the disks can still be heard spinning. Unplugging & replugging in the USB does not reconnect the device and the activity light remains unlit. The only way to continue using it is to flip off then on the power switch of the hdd. The hard-drive was formatted with MBR partition table and 2 NTFS volumes. I recently tried switching to GUID with two Mac OS Extended (Journaled), but the problem remains. This error occurs with my new Macbook Pro with Snow Leopard as well as with my DELL E520 with Windows 7 Ultimate.

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  • Original Windows 7 Home Premium on Acer Aspire 5740G

    - by elr
    Is it posible to get the original Windows 7 Home Premium 64bit for the Acer Aspire 5740G? I bought this notebook and the license for this Windows is in the package. There is an partition with the data for the recovery. But than, there are a lot of senseless application which I don't want to use. I'm searchin for the complete clear Windows 7 Home Premium. I tried to download the original Windows 7 Home Premium and entered the serial key of the bottom of the laptop but I can't activate my Windows with this key. Any ideas or experiens with this?

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  • mac: How to mount ejected external hdd again

    - by Maurice Kroon
    I've used my WD My Book 1TB for quite some time now. I always simply unplug it without officially 'ejecting' it. However, yesterday I did eject it (the partitions) before unplugging it. However, now, when i reconnect the hdd, it does not show the drives. It only shows the WD SmartWare partition (which is empty btw). The rest doesn't start. Does anyone know how to mount an unmounted disk? thx in advance!

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  • Linux Mint 13 64bit Cinnamon and Oracle Virtualbox: 3d acceleration crash

    - by Stephen Swensen
    I've recently got an interest in Linux. After some research, it looks like Linux Mint 13 cinnamon is hot and I thought I'd try it out... I'm running Windows 7 64bit and have experience with Oracle Virtual Box. So I thought it would be a good idea to try out Linux Mint inside Virtual Box. I download Linux Mint 13 64bit Cinnamon and set it up in my VM player... Nothing special about my settings. Except Linux Mint 13 Cinnamon requires 3d acceleration, and when I enable that, it crashes whenever I open the Menu in the bottom left corner of the guest OS (and some other times too)... I've seen other mentions of this problem on the web, but no solutions. Is there a solution? If not, any suggestions short of installing the OS on a partition for trying out this OS (I'm not interested in the LIve mode either - I'd really like to get the full feel for it)?

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  • Read Linux-formatted (ext3) EBS volume mounted on Windows Server 2008 instance

    - by Greg Owen
    I've got a Windows Server 2008 R2 instance set up in Amazon EC2. I've also got some Ubuntu instances on the same EC2 account. I'd like to be able to mount the EBS volume from one of the Ubuntu instances onto the Windows instance as an external drive and then access that drive from the Windows instance. I've looked at tools like ext2fsd and ext2 IFS, but these haven't worked (I couldn't get the former to work, and the latter says that it supports Windows 2008 but gives an error when I try to install it, saying that it only supports up to Windows 2003). I know that there are all kinds of tools to view Linux partitions and that there are filesystems that are compatible with both Linux and Windows, but neither of those options works here (I want to be able to attach and detach the Ubuntu volumes on command, rather than have a permanent partition, and Ubuntu EBS volumes are ext3 by default). Anybody know a good tool I should use?

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  • Dedicated server configuration - some tips -Xenserver/Debian

    - by Sanjay S
    I am migrating from a vps based hosting to a dedicated hosting (8GB RAM/1TB HD). I need to run multiple Drupal and Ruby based applications? what would be the recommended configuration. I was thinking of two options. 1) Install multiple Debian os on top of Xen (like VPS). Each may be 2GB Memory and run Drupal and Ruby and MYSQL on separate partitions . 2) Install one instance of Debian. and Install Drupal (Apache, php) Ruby (lighttpd, ruby) ,MySQL all in the same partition I was little worried that option 2 could lead to some performance issues later..

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  • I started getting a weird message "Encrypting file system - Back up your file encryption key"

    - by user22559
    Hello I started getting a strange message when I start my computer. An icon appears in the system tray, and a popup tells me "Encrypting file system - Back up your file encryption key". I know what EFS is, but I don't use it. To my knowledge, I don't have any encrypted files on my partition. I have searched using Total Commander on all the partitions for files that have the "encrypted" attribute, but I found nothing. So I don't have any encrypted files. Does anyone know what I did to get this message?

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  • F# Add Constructor to a Record?

    - by akaphenom
    Basically I want to have a single construct to deal with serializing to both JSON and formatted xml. Records workd nicley for serializing to/from json. However XmlSerializer requires a parameterless construtor. I don't really want to have to go through the exercise of building class objects for these constructs (principal only). I was hoping there could be some shortcut for getting a parameterless constructor onto a record (perhaps with a wioth statement or something). I can't get it to behave - has anybody in the community had any luck? module JSONExample open System open System.IO open System.Net open System.Text open System.Web open System.Xml open System.Security.Authentication open System.Runtime.Serialization //add assemnbly reference System.Runtime.Serialization System.Xml open System.Xml.Serialization open System.Collections.Generic [<DataContract>] type ChemicalElementRecord = { [<XmlAttribute("name")>] [<field: DataMember(Name="name") >] Name:string [<XmlAttribute("name")>] [<field: DataMember(Name="boiling_point") >] BoilingPoint:string [<XmlAttribute("atomic-mass")>] [<field: DataMember(Name="atomic_mass") >] AtomicMass:string } [<XmlRoot("freebase")>] [<DataContract>] type FreebaseResultRecord = { [<XmlAttribute("code")>] [<field: DataMember(Name="code") >] Code:string [<XmlArrayAttribute("results")>] [<XmlArrayItem(typeof<ChemicalElementRecord>, ElementName = "chemical-element")>] [<field: DataMember(Name="result") >] Result: ChemicalElementRecord array [<XmlElement("message")>] [<field: DataMember(Name="message") >] Message:string } let getJsonFromWeb() = let query = "[{'type':'/chemistry/chemical_element','name':null,'boiling_point':null,'atomic_mass':null}]" let query = query.Replace("'","\"") let queryUrl = sprintf "http://api.freebase.com/api/service/mqlread?query=%s" "{\"query\":"+query+"}" let request : HttpWebRequest = downcast WebRequest.Create(queryUrl) request.Method <- "GET" request.ContentType <- "application/x-www-form-urlencoded" let response = request.GetResponse() let result = try use reader = new StreamReader(response.GetResponseStream()) reader.ReadToEnd(); finally response.Close() let data = Encoding.Unicode.GetBytes(result); let stream = new MemoryStream() stream.Write(data, 0, data.Length); stream.Position <- 0L stream let test = // get some JSON from the web let stream = getJsonFromWeb() // convert the stream of JSON into an F# Record let JsonSerializer = Json.DataContractJsonSerializer(typeof<FreebaseResultRecord>) let result: FreebaseResultRecord = downcast JsonSerializer.ReadObject(stream) // save the Records to disk as JSON use fs = new FileStream(@"C:\temp\freebase.json", FileMode.Create) JsonSerializer.WriteObject(fs,result) fs.Close() // save the Records to disk as System Controlled XML let xmlSerializer = DataContractSerializer(typeof<FreebaseResultRecord>); use fs = new FileStream(@"C:\temp\freebase.xml", FileMode.Create) xmlSerializer.WriteObject(fs,result) fs.Close() use fs = new FileStream(@"C:\temp\freebase-pretty.xml", FileMode.Create) let xmlSerializer = XmlSerializer(typeof<FreebaseResultRecord>) xmlSerializer.Serialize(fs,result) fs.Close() ignore(test)

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  • Ubuntu 9.10 desktop installation via USB (boot)

    - by user277980
    I have made a live boot USB using the UnetBootIn tool for Ubuntu 9.10. I have Windows XP SP2 installed as the primary OS, and I want to make a partition for Ubuntu. But when I try to boot it via USB, it just goes to boot menu of Ubuntu, then I enter the default type for installation. After that nothing happens, just the Ubuntu logo shows up and just that nothing happens after that. I can try the simpler task also i.e. install via CD but I want to know what's not working with this USB boot method. Thanks in advance.

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  • TrueCrypt: Open volume without mounting

    - by Totomobile
    I have a corrupt TrueCrypt volume. When I try to mount it, the password is fine but I get an error: hdiutil attach failed no mountable file systems I read a post that says you can try to recover the volume, but I have to open it first to try to recover it. I just need to open it without TrueCrypt trying to mount it too, so I can use that partition in a data recovery program. Also it's just an image file volume. I am using the Mac version, and I have setup an alias for the truecrypt shell command, but I'm not sure how to enter the syntax! Please help. thank you! T

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  • TrueCrypt: Open volume without mounting

    - by Totomobile
    I have a corrupt TrueCrypt volume. When I try to mount it, the password is fine but I get an error: hdiutil attach failed no mountable file systems. I just need to open it without TrueCrypt trying to mount it too, so I can use that partition in a data recovery program. Also it's just an image file volume. I have read the documentation here: http://www.truecrypt.org/docs/?s=command-line-usage But I can't figure out which switch I need to use to only open an image and not mount it. I am using the Mac version, and I have set up an alias for the TrueCrypt shell command, so I can just type: truecrypt -t -v - ?? [][]..

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  • TrueCrypt: Open volume without mounting

    - by Totomobile
    I have a corrupt TrueCrypt volume. When I try to mount it, the password is fine but I get an error: hdiutil attach failed no mountable file systems I read a post that says you can try to recover the volume, but I have to open it first to try to recover it. I just need to open it without TrueCrypt trying to mount it too, so I can use that partition in a data recovery program. Also it's just an image file volume. I am using the Mac version, and I have setup an alias for the truecrypt shell command, but I'm not sure how to enter the syntax! Please help. thank you! T

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  • SLES 11 - ocfs2 - Locking does not appear to work

    - by Autobyte
    Hi I have two SLES 11 servers that are SAN attached to a Clarion CX-340. The SAN partition has been formatted with ocfs2 and I have both machines setup in a cluster and the cluster is running (all appears to be normal). I have a small java application as a locking test and when I run the application on both machines at the same time, I should get the lock on one server and the other should refuse the lock since the first already holds a lock on that file but in this case both servers get a lock on the same file. Basically my cluster.conf looks like this: node: ip_port = 7777 ip_address = 192.168.10.121 number = 1 name = osrsles10node1 cluster = osrsles10 node: ip_port = 7777 ip_address = 192.168.10.122 number = 2 name = osrsles10node2 cluster = osrsles10 cluster: node_count = 2 name = osrsles10 Please ask for any other info - I really need these locks to be exclusive to each server. Thanks.

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  • Is redis a durable datastore?

    - by allyourcode
    By "durable" I mean, the server can crash at any time, and as long as the disk remains in tact, no data is lost (see ACID). Seems like that's what journaling mode is for, but if you enable journaling, doesn't that defeat the purpose of operating on in-memory data? Read operations might not be affected by journaling, but it seems like journaling would kill your write performance.

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  • Restore XP on Acer Aspire One netbook

    - by Imran
    I have an Acer Aspire One D250 netbook which came with Windows XP (but no CD) on which I have since installed Xubuntu 9.10. Now I am trying to sell it, but I cannot find a way to recover XP. I have read in a lot of different places that holding Alt+F10 during boot should send me to a recovery menu (which will allow me to restore XP from a "secret partition"), but I have tried many times to no avail. The best I can do is get the BIOS setup screen by holding F2, but there doesn't seem to be any recovery option there. After the initial option to go into the BIOS setup GRUB starts loading and there don't seem to be any more opportunities to enter a system setup screen. Please help!

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  • Horizontal scrolling not working in Windows 7 running on MBP using Boot Camp

    - by Rubicon
    Is there a way to enable horizontal scrolling on Windows installed on a bootcamp partition of MBP 13" Core 2 Duo, using a trackpad? I had a look into the Boot Camp Control panel settings, but could not find a setting that suggested this. I used the Boot Camp drivers that came with the MBP in the Mac OS X Install disk. The vertical scroll is working fine, and the horizontal scroll works fine in the Mac world of things, so the hardware is fine. I think maybe there might be an additional install for a driver that we may have to install? Or any update? Thanks in advance for all your help. :)

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  • Fast file search algorithm for IP addresses

    - by Dave Jarvis
    Question What is the fastest way to find if an IP address exists in a file that contains IP addresses sorted as: 219.93.88.62 219.94.181.87 219.94.193.96 220.1.72.201 220.110.162.50 220.126.52.187 220.126.52.247 Constraints No database (e.g., MySQL, PostgreSQL, Oracle, etc.). Infrequent pre-processing is allowed (see possibilities section) Would be nice not to have to load the file each query (131Kb) Uses under 5 megabytes of disk space File Details One IP address per line 9500+ lines Possible Solutions Create a directory hierarchy (radix tree?) then use is_dir() (sadly, this uses 87 megabytes)

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