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• HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows?

  - by Chris Hoffman

  If you’ve ever purchased a computer with a hard disk capacity of 500 GB and opened Windows Explorer only to find that its capacity looked more like 440 GB, you may be wondering where all those gigabytes went. There are several reasons Windows could display the wrong amount of available space, from invisible shadow files, formatting overhead, and hidden recovery partitions to misleading (though technically accurate) storage capacities advertised by hard drive manufacturers. Image Credit: Norlando Pobre HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How What Are the Windows A: and B: Drives Used For?

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• Recover files from NTFS drive with bad sectors

  - by Martin

  A few nights ago I have created a backup of my data on an external 500 GB NTFS USB hard drive. I have then formatted my computer, reinstalled Ubuntu and started transferring back the data from the external HDD. Unfortunately some files have became corrupted and Ubuntu is unable to copy them over. The same issue happens if I login using Windows 7. Disk Utility detects with SMART that there are "a few bad sectors". Some of files are perfectly intact, but other files cannot be accessed (nor read, copied...) although they are displayed within nautilus and show the correct file size. Is there anything I can do to recover this data? I have thought of using TestDisk but this utility seems more useful for repairing lost partitions or deleted files. I have also thought of using ddrescue so I could at least have a low level copy of the disk but I am not sure what use to make of it in order to recover the data!!!

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• Ubuntu on a virtual machine

  - by Barry Miller

  I've installed Virtual Box and am trying to install Ubuntu 12.04 from a downloaded ISO. Everything is going fine but I come to a choice that says no operating system is dectected on this machine, what would you like to do? 1)Erase disk and install Ubuntu (this will erase any files on the disk) or 2) Something else (choose partition size, multiple partitions, etc). Does the first option mean erase all files on the VIRTUAL DISK--NOT THE COMPUTER? Is it just talking about the virtual machine or if I select this option will it erase my Windows operating system and other files on my hard drive?

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• How to repair GRUB from backup?

  - by titusjaka

  I have Windows 8 and Ubuntu 13.04 in dualboot. But the problem was that Windows didn't boot when GRUB is set as primary bootloader in BIOS. When the Windows EFI partition was checked as primary, Windows booted well. Then I decided to fix it and installed Boot-Repair. First of all, I made the backup. Then updated the GRUB. The update was successful. But then Windows and Ubuntu didn't boot at all. I've repaired GRUB using live-USB. Now I can boot Ubuntu, but Windows doesn't boot. How can I restore boot partitions from Boot-Repair backup (.zip file)?

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• "merging" multiple hardrives for Ubuntu 14.04 install

  - by Thijser

  I have 3 hardrives inside my laptop 2 of which currently house other opperating systems but have a empty partitions of 8 and 9 gigabye and the third is just 12 gB (currently not partitioned at all). Now each of these 3 is to small to be useful to me, however combined they are 29gigs which can easily hold a ubuntu installation, and associated programs. Is there a way set up my installation in such a way that it threads these 3 disks as one? Or is there a way by which I can make it default storage of many things into one drive (downloads and sudo apt-get install for example) to one drive while keeping ubuntu onto another?

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• Ubuntu 10.10 freezes

  - by albert green

  Hi, I have the following configuration: CPU: amd athlon 64bit Motherboard: Phoenix with awardBIOS v6.0 APIC mode = disabled Video card: GeForce 5500 Sound card: soundblaster live 24bit RAM: 1.5GB Partitions: ext3 32GB where I installed Ubuntu. Swap 500MB. 180GB Fat32 unmounted. contains data only. I installed Ubuntu 10.10 and used the "Additional driver" program to get the nVidia proprietary drivers. The system works for sometime and randomly freezes. The mouse and keyboard are not responding and I am not able to do a SSH. The only solution is pressing the power button. I tried Kubuntu 10.10 and 32/64-bits versions as well. There is nothing in the logs to suggest what the reason might be. Any help will be appreciated. Thanks in advance.

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• How to recover data from a drive that was erased during the Ubuntu installation?

  - by user110353

  Yesterday I had two NTFS partitions on my drive. One on which Windows 7 was installed (C Drive) and the other contained my data (D Drive). During Ubuntu installation I choose to install Ubuntu and erase my existing OS. When Ubuntu installed, I was shocked to see no partition. All my data was gone. I must have done something wrong in selecting my option during installation. Is there any way I can recover my D Drive? Thanks in advance.

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• Backup Windows files using Ubuntu - Unable to find Win partition

  - by Siva

  I am using a Dell laptop with Windows 7, all of a sudden the HDD is not recognized by Win7. I wanted to backup the data in Win, so I made a Ubuntu 12.04.1 Live CD, and booted from it. I am using Ubuntu without installing it in my laptop. My problem is that I don’t see the Windows partitions in Ubuntu 12.04.1, b’cos of which I am unable to backup the data. Any suggestion in this regard would be very helpful.. PS: I checked the SMART status of the HDD it says 2 Bad sectors, when I attempted an extended Self-Test, I get a Read Failed message, though the Short test goes through fine. Thank You, Siva

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• adding swap volume

  - by Gaurav

  I have recently installed ubuntu 12.04 alongside my windows 7. But i did not created swap volume for ubuntu. There are already 4 partitions on my hard drive ( one windows 7 , one system tools ( windows 7), one for ubuntu and one for common media storage(ntfs)). Therefore Gparted didn't allow me to create any further partition for swap volume.All it said to create an extended partition, but i do not know to do this. I want to create a swap volume out of common media storage. How can i accomplish this? And I'm completely new at Ubuntu , so can you suggest some good getting started tutorial for it?

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• Ubuntu cannot boot

  - by Ibrahim Hammad

  I've Ubuntu 12.04 installed along with windows 7. After trying to update the Geforce driver on Ubuntu (already updated on windows), Ubuntu fails to boot. It will only give me a black screen and ask for log in user name and password and stays on the black screen. I've tried to fix it from a boot repair disk, which had generated a long report and then told me that Wubi.exe is not found. How can I retrieve my [revious installation, or fix it please? If not possible what is the best procedure to re install Ubuntu without affecting the partitions please. Regards,

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• Grub Won't Boot WIndows 7

  - by STavros P.

  I have a problem with Grub 2. when i hit the Windows 7 (loader) option on the Grub boot screen Windows won't boot. i get a black screen with a white cursor blinking... Here is a log of my Boot options. I just want to delete all the other partitions which i don't know how they 've been made and stay just with the Ubuntu ext4 partition, the swap partition and the WIndows 7 partition. Can someoune help me with my problem? Here is the log: http://paste.ubuntu.com/1014619/ ps: I can only boot Windows with Hiren's Boot CD with the first option, Boot form first hard drive (win7, xp, vista).

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• Can't Select Continue to install ubuntu alongside them

  - by msknapp

  I'm trying to install ubuntu 14.04 alongside Window 7 on my PC. I got to the installation type page and it detected my windows 7, then asked me what I would like to do. I selected the option to install ubuntu alongside them; however, the continue button was then grayed out. If instead I chose the option to do something else, the continue button was still grayed out. I was given absolutely no explanation for why it was grayed out. The only option that would let me continue was to erase the disk, which I do not want to do. I have two hard disks, and one of them has two partitions on it. The second partition is completely unused, and has a terabyte of space. That's where I wanted to install it. Can somebody please tell me why I can't install ubuntu alongside Windows 7 here?

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• mounting external hard drive EXT4: "the unlocked device does not have a reckognizable filesystem on it"?

  - by user824924

  I'm having problems mounting ext4 partitions(inside a LUKS partition) in external drives. The drives are fine, there is no problem whatsoever with the drives and no filesystem corruption. This happened since a recent automatic system upgrade, and a manual upgrade to kernel 3.12.0. It goes like this: I plug in the external drive Passphrase is asked for luks device luks partition correctly unlocked/opened Instead of proceding with mounting the now exposed ext4 partition there's a pop-up saying: "the unlocked device does not have a recognizable filesystem on it". Same happens in this case: $ gvfs-mount -d /dev/sdc2 Enter a passphrase to unlock the volume The passphrase is needed to access encrypted data on WDC WD250... (250 GB Hard Disk). Password: Error mounting /dev/sdc2: The unlocked device does not have a recognizable file system on it Doing a manual sudo mount /dev/dm-1 /mnt/testfolder works with no errors and there is no problem with the filesystem (fscked). Also there doesn’t seem to be anything useful written to dmesg when this happens. What gives?

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• What are the appropriate mount options for a shared NTFS partition on an SSD in a dual boot Ubuntu/Windows setup?

  - by Andreas Jonsson

  I have Ubuntu 13.10 and Windows 7 installed in dual boot on a single SSD. In addition they share an NTFS partition where I put all my data and documents. What is the optimal way to mount this NTFS partition in /etc/fstab (considering performance and minimizing wear of the SSD)? Similar questions have been asked, but I could not find answers to this particular scenario. As I understand it, the mount option 'discard' is not supported for NTFS and so should not be used (although it is recommended here). Another often quoted mount option is 'noatime'. I use it for my ext4 partitions. Does it apply to NTFS? My current /etc/fstab line is: UUID=XXXXXXXXXXXXXXXX /dos ntfs defaults,nls=utf8,uid=1000,gid=1000 0 0

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• Install Ubuntu on Laptop dual with windows 7

  - by Pieter Doubell

  I have installed Ubuntu 12.04/ 32-bit using Wubi on my laptop running dual with windows 7 desktop and it works very very well. I am now also trying to install Ubuntu on another laptop already running a linux operating system only but not successful in doing so. Would like to install Windows 7 dual with Ubuntu. At the moment it is complaining about partitions of the existing linux when trying to install Windows 7 which I suppose is fair. Please herewith assist in installing the Ubuntu and Windows 7 platforms. Very much appreciated.

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• Resizing my linux partition

  - by de1337ed

  So, I was getting rid of my openSUSE to install lubuntu. In the process, I didn't manage my hard drive partitions well enough and as a result, I lost my windows 7 partition. I got over the loss, and formatted my entire hard drive by install lubuntu over all the space. (I tried first installing windows 7, but I kept getting some weird errors during the partitioning process). I was wondering now if I could resize my lubuntu partition so I can install windows 7 again. Here is a gparted screenshot: Can anyone help me out? I have all my Linux disks and my windows disks. Thank you.

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• Problem with ubuntu 12 install as dual boot

  - by Ismail Sensei

  I went to instal ubuntu (version 12 ) in my laptop as dual boot with windows 7 the problem i've face is when i came to phase 4 that how i went to install it he tell me that i don't have any OS in my laptop !!!! + I already prepared a partition with system file EXT3 and SWAP for ubuntu. i really went to make the dual boot with windows . My laptp is 6730s compaq . Ther is 4 partitions : 1: where the OS is. NTFS 2: data file. NTFS 3: Empty 20 G space . EXT 3 4: SWAP linux.

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• How can I avoid the random restart of the xserver?

  - by Bernd

  I'm using a desktop pc with 64bit Ubuntu 12.04 (Kernel 3.2.0-24-generic). Hardware specs are - Intel Core i7 CPU 860 @ 2,80GHz x 8 - Nvidia GeForce GTS 250 - 750 GB Hard Disk ATA WDC WD7501AALS-00E3A0 (for my /home partition) - 128 GB Solid-State Disk ATA PLEXTOR PX-128M2S (for all other partitions) Since I reinstalled the PC with Ubuntu 12.04 the xserver restarts randomly. Most times when I watch a video in the browser (maybe a flash issue?) but sometimes the restart/crash appears when I'm working in an text-editor. How can I locate the problem? Which information is needed for a useful answer?

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• Best partition scheme [WIN7 | Ubuntu | Media | Home]

  - by Rockiano

  I just got a new HD (750GB of which 700GB are usable) and I want to partition it taking in consideration: Media (200GB) Home (300GB) Win7(150GB) Ubuntu(50GB) (I have 6GB of ram, would i need to consider a swap partition) The Media and Home partitions usually are left untouched, but once a month (or in some cases more) I will be formatting Win7 and/or Ubuntu, changing their sizes and even creating a third partition for a second ubuntu/win7 instance (using the 200GB originally assigned for them) What would be a good/best partition scheme to avoid problems in the Media and Home partition (And the hard-drive in general), considering they are highly unlikely to change and that also the Win7 partition is the less unlikely to be changing in relation to the ubuntu partition? I hope I'm clear enough and if any more details are missing please let me know. Thank you in advance.

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• partitioning in ubuntu with gparted cant resize

  - by user288830

  I opened gparted and as i can see i have 3 partitions(or i think so) first one sda1 (236 mb) its ext2 type file and its booting point, second one is sda2(rest of the hdd 1.36 tb) extended ntfs type file and i have third one that is within the sda2 called sda5 it takes the same space as sda 2 and its file type is crypt luks, so when i try to resize the sda2 i cant resize it not for even 1 mb, i dont know if that crypt luks file is causing the problem, so i dont know what to do, by the way i can format the crypt luks(sda5) file that in inside sda 2 but i dont know if i should.Can anyone help me please? here are the pictures when i open gparted when i try to resize sda 2 i think i did use encryption i mean while it is booting i type password and its says sda5/scrypt set up succefully or something like that and then it goes to my login screen where i type username and pass that is it

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• Tri-Boot Win 7 64+Ubuntu 12.04+BackTrack 5

  - by Volchonoc

  I'd like to know what is the best procedure for doing a Tri-boot? I don't want to re-size windows partition I want to re-install it from scratch. I heard that it's better to install windows first, but will windows allow me to create the right partition structure? And what i the best structure? should I create a primary for windows and extended for everything else? If so what should my logicals be: 1)Ubuntu+2)SWAP(shared)+3)BackTrack root+4)BackTrack home, or should I just make 4 primary 1)win+2)Ubuntu+3)BackTrack+4)SWAP. And what are the formats I should choose for Linux partitions? I would appreciate any info on this topic Thank You

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• Cant mount cryptswap1 ?

  - by Jordan March

  From the reading I've done, it seems it's having issues mounting the encrypted files. The guys here: could not mount /dev/mapper/cryptswap1 Seem to be suggesting how to fix it, but I am new to Linux and have NO idea how to do any of that. Can anyone walk me through how to edit that file? Or should I just reinstal? Is there a way to reinstall and keep my programs? I do have separate partitions for boot root home and swap Running Acer Aspire 5750 Intel Core i3 4gb ram Ubuntu 12.10 64bit

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• What is Logical Volume Management and How Do You Enable It in Ubuntu?

  - by Justin Garrison

  Logical Volume Management (LVM) is a disk management option that every major Linux distribution includes. Whether you need to set up storage pools or just need to dynamically create partitions, LVM is probably what you are looking for. Latest Features How-To Geek ETC How to Upgrade Windows 7 Easily (And Understand Whether You Should) The How-To Geek Guide to Audio Editing: Basic Noise Removal Install a Wii Game Loader for Easy Backups and Fast Load Times The Best of CES (Consumer Electronics Show) in 2011 The Worst of CES (Consumer Electronics Show) in 2011 HTG Projects: How to Create Your Own Custom Papercraft Toy Outlook2Evernote Imports Notes from Outlook to Evernote Firefox 4.0 Beta 9 Available for Download – Get Your Copy Now The Frustrations of a Computer Literate Watching a Newbie Use a Computer [Humorous Video] Season0nPass Jailbreaks Current Gen Apple TVs IBM’s Jeopardy Playing Computer Watson Shows The Pros How It’s Done [Video] Tranquil Juice Drop Abstract Wallpaper

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• Unable to mount 1TB USB external HDD - Error

  - by superbDeveloper

  Hi, I'm getting an error when I plug in my 1TB USB external HDD, the wierd thing about this is that it was working fine before and I've been using it for about a couple of months now. yesterday I compressed one of the folders which had about 120GB of data but the compression failed after an hour and I decided to unmount the drive and shut everything down. Today when I tried to plug in the drive I got the following error: Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sdc, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so output of cat /proc/partitions below muzikayise@muzikayise-supercom:~$ sudo fdisk -l /dev/sdc Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x39dcba64 Device Boot Start End Blocks Id System please will someone kindly assist with this? thanks in advance,

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• Version hash to solve Event Sourcing problems

  - by SystematicFrank

  The basic examples I have seen about Event Sourcing do not deal with out of order events, clock offsets in different systems and late events from system partitions. I am wondering if more polished Event Sourcing implementations rely on a version stamp of modified objects? For example, assuming that the system is rendering the entity Client with version id ABCD1234. If the user modifies the entity, the system will create an event with the modified fields AND the version id reference to which version it applies. Later the event responder would detect out of order events and merge them.

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