Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as partitions, to treat one physical disk drive as if it were multiple disks.

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change boot order

I have 2 partitions sda1 XP and sda2 CENTOS. I have reinstalled grub on /dev/sda but on rebooting, I experienced: error : 22 no such parition for Centos; while Windows boots charmingly on the other. ...
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Prevent linux from auto scan and mapping partitions on some disk [on hold]

TL;DR Linux scan disk (for example /dev/sdc) and add files to address partitions on that disk (for example /dev/sdc1) - how can I tell Linux to not do that for some disk? Long story: I used VM ...
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Select drive partition table in preseed file automated Debian install

I am using a preseed file for my Debian installs. I am using 1TB drives, and I would like to use MS-DOS partition tables. It is defaulting to GPT. Is there a way to choose which type of table to ...
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Dual boot Linux partition scheme with encryption

I am trying to figure out how I should encrypt my machine. I am reorganizing and will have two 500GB drives. I am setting up a dual boot system (both linux). My prospective partition scheme: sda: ...
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Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
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Know which partitions are primary and which logical

I have Windows and Ubuntu installed on the same laptop. How can I know which partitions are logical or primary using the command line?
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25 views

Install Ubuntu partitions

I am a completely newbie. I want to install Ubuntu 14.04 in my laptop on which windows 8.1 is installed. I have read in some sites that I have to use Gparted or similar tools, but there are also sites ...
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37 views

Is there any danger in changing the labels of my hard drives?

I've have both Ubuntu and Arch installed on my computer, and want to change the labels of the / and /home partitions (four in total), to make it clear which is which. Can this potentially break ...
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How to repair lost gpt partition table?

I have a 3TB Seagate. The disk was from an raid system and had 1 partition sdb1 with 3TB and ext4 filesystem. As i wanted to prepair a new disk for a raid, i exchanged in sgdisk sdb1 with an raid disk ...
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42 views

Swap partition in LVM?

I was wondering if putting the swap partition into a logical volume group has any drawbacks (e.g. performance), or would it be "just the same" as having it as a separate primary/logical partition? I ...
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dd to clone to smaller sdcard

One of my Raspberry Pi's is using a 4GB SDcard for the root/boot filesystem. As seen when mounted on another system: Disk /dev/sdc: 3904 MB, 3904897024 bytes 121 heads, 62 sectors/track, 1016 ...
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38 views

Extend partition size without unmounting it

I would like to create an image of a Linux Mint disc. Then I'd like to copy it to a bigger disc and extend its partition to the full size of the disc. I have already copied the disc using WinImage ...
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Forced reread of partition table: difference between BLKRRPART and BLKPG ioctl? (Linux)

When I want Linux to consider newly created partitions without rebooting, I have several tools available to force a refresh of the kernel "partition cache": partx -va /dev/sdX kpartx -va /dev/sdX ...
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67 views

Windows 7 not working correctly after partition resize

I resized the Windows partition from Linux in order to be able to install Elementary OS. After resizing I tried booting to Windows, however it asks to boot normally or in recovery mode. When I select ...
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On Arch Linux Partitioning [closed]

I've been going through the Arch Linux beginner's guide and I'm a bit confused on partitioning the OS. It says I can either have just a root partition or a root and /home partition. What are the ...
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How to destroy existing disk partitions

I added some disks to my system, which were in use before. I tried to create them: $ gpart create -s GPT ada0 gpart: geom 'ada0': Operation not permitted $ gpart show ada0 gpart: No such geom: ada0. ...
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61 views

Recommended partition size of SD card for Ubuntu for BeagleBone black [closed]

I am using 16GB SD card for building Ubuntu from scratch for BeagleBone Black. So, I have to make two partition of my SD card, one for Rootfs and second one for Zimage and other stuff. Initially I ...
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60 views

How to find hidden partition of a USB in linux

I have a USB, which has a protected partition. I think this USB has hidden partitions, which I can't see them. $ fdisk -l /dev/sdb: You must set cylinders. You can do this from the extra functions ...
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46 views

Why is my hard drive out of space if gparted says I have 500+GB

I recently installed Debian on my machine and made separate / and /home partitions. Yet my disk usage analyzer shows that my /home is inside /. But gparted shows that /home is indeed in it's own ...
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127 views

Why does “df -h” show out of sync space used? [duplicate]

I have tried different commands to see sizes of partitions and space used/left and it seems that they always differ in their results. Here is my space used/left with from the command df -h: Size ...
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27 views

mixed raid types

I am about to reinitialise my (SW) raid array. Previously the array was raid5 with 4 disks. I've removed one disk in order to install a new additional (larger) drive. What I'd ideally like to do is ...
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1answer
14 views

Backup and restore only some partitions

I have a system which runs an arcade machine. It has the regular swap and root partitions, but then I have an extra partition which I call data. Data holds many gigabytes of game content. The idea is ...
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Recover from Grub error

I use windows as well as Linux in one laptop. I don't know what I deleted in the partition settings. Suddenly when I restarted my laptop, it showed me the below error message. GRUB loading. Welcome ...
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47 views

Archlinux, move files to a different partition

During the installation I thought I had generated the correct fstab, but now, after cp complains that the filesystem is full, I discover that fstab is empty. I have this configuration: # lsblk NAME ...
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191 views

Filesystems and Partitions

I have been reading up more on UNIX and have brushed up on different filesystems and partitioning HDs. In the book it mentioned that filesystems are very much different than partitions and one ...
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28 views

Locating the /dev entry to make partitions on an SD card

I am trying to create partition of SD card, for this I am following this tutorial. When I type the command ll /dev/mmcblk* I got this ls: cannot access /dev/mmcblk*: No such file or directory ...
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Backup LUKS (cryptsetup Command) partition or volume

Can you create a file container/volume in LUKS in the same way that you could do with Truecrypt? Otherwise, how can you backup a LUKS partition? Do you have to clone it, for example with dd? or backup ...
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Mount a seriously damaged NTFS partition on an HDD with a lot of bad sectors?

I have a situation where I haven't deleted anything, even the partition table looks fine, the real problem, apparently, is the partition itself, upon further investigation I have verified that this ...
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What's the easiest way to resize an ext4 partition from the command line?

What's the easiest way to resize an ext4 partition (or any type partition depending on the method) from the command line (potentially with the fewest commands, but also the easiest to understand)? ...
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37 views

Sharing partitions in qemu

Apart from networking and partition sharing I've made qemu work pretty much like I want it to. I've got a bit of a special setup, I need to pass through /dev/sda, /dev/sda1 and /dev/sda2. (Is it ...
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54 views

Linux shows one partition but windows shows 4

I have installed Windows 8 on my laptop and now I want to install Linux Mint 14. I want to use both of them. My disk management in Windows shows as follows:    . mint4win in ...
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42 views

Filesystem types for encrypted partitions

I wish to encrypt two external hard drives using dm-crypt/LUKS for whole-disk encryption. I want one hard drive to have an ext4 filesystem for Linux use only, and the other to have an NTFS filesystem, ...
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How to know if /dev/hda2 is Primary partition or Extended partition

If all four primary partitions exist on an IDE drive, they are numbered as follows: /dev/hda1 /dev/hda2 /dev/hda3 /dev/hda4 We have also the partitions on a disk with one primary partition and ...
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`dd` to specific location [closed]

dd is a great tool for copying and conversion. Is there any way by dd (or by any other way), to dump the first few bytes from a file to an unmounted partition? Something like this: dd if=hda2.pbr ...
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why 2TB external HDD is recognized as 800 GB only in Ubuntu 8.10

I had a 2 TB external HDD which I formatted as below. fdisk /dev/sdb After issuing the above command, I did the following steps. Then selected option p. (To print the partition table). Then ...
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Does Linux unmount the root partition when the partition is about 80% full? [closed]

Summary Linux seems to be unmounting the root partition, /dev/sda6. I noticed that sda6 is about 80% full. Does Linux unmount this root partition when it gets 80% full, to stop you adding more files? ...
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How to increase size of /dev/sda2 in suse running on vmware

how to increase the partition /dev/sda2 partition. df -h : Filesystem Size Used Avail Use% Mounted on /dev/sda2 7.0G 3.7G 3.0G 56% / devtmpfs 432M 172K 432M 1% /dev tmpfs ...
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CentOS - Creating a partition for OpenVZ

I've recently installed a fresh copy of CentOS 6.4 and I was going to install OpenVZ on it however on the install instructions it said that it is advised to make a separate EXT4 partition for the VMs. ...
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59 views

How to merge partition with gparted?

How I can merge all of my three unallocated spaces? And i want the bigger one to be under /dev/sda5. Gparted screenshot:
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416 views

Zorin/Windows 7 Dual Boot on New Hard Drive, no GRUB!

So my computer had Windows 8 originally, and my hard drive died. I was able to get a dying hard drive from work to use temporarily, and decided to go with Windows 7 this time, as HP had drivers for ...
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63 views

Rebuild mount points after destroying partitions

When I installed Ubuntu, I had a partitions with the windows OS installed, but now I've made some changes, I've erased Windows, created two new partitions in the storage ocuppied by windows before, ...
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1answer
85 views

How can I resize my encrypted root and home partitions, to give root more space?

I need to enlarge my / (root) partition, I have a lot of space on my /home partition so how can I do this? The drive is encrypted with LUKS. My system is Fedora 20. I have another thread here which ...
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71 views

Disk full on a server with a large /home partition

I've just got this CentOS Server but I think I've set it up wrong as I can only upload a few GB then I start getting errors, It should have ~1TB. this is the results of lsblk [root@ns4005990 ~]# ...
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44 views

Partition is out of space

When I was trying to resolve the issue as seen in this question, I figured out that a specific partition is out of space. I have a specified folder which I allow all ftp uploading of multimedia files ...
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1answer
44 views

Could not allocate requested partitions while instaling Scientific Linux

I am installing Scientific Linux, and I must choose a drive to install it. I have a deleted partition with the size of 150 GB. When I select the deleted partition and try to create a partition ...
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Boot-Repair ineffective

I was attempting to install a linux partition(Kali to be specific) alongside Windows8(Not 8.1) and I seem to have run into some trouble. My system information is located at : paste.ubuntu.com/7512281 ...
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182 views

How to mount the `D:\` disk of Windows in linux mint? [closed]

I am unable to mount the D:\ disk of windows in linux mint. What to do?
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44 views

Encrypt my disk but allowing to enter the password with SSH

Can you help me with this problem please? I need encrypt whole disk on Debian 7.5, (it will be work as server) but I need enter encryption password via SSH. So I need encrypt whole disk except primary ...
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Moving /var, /home to seperate partition

I am in attempts to move some folders such as /var, /home to a separate partition after reading the guide 3.2.1 Choose an intelligent partition scheme I was able to move one folder successfully ...
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1answer
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How can I partition and format my disk to an accuracy of “LBA” by commands?

How can I partition /dev/sdb into /dev/sdb1 and /dev/sdb2, and then format /dev/sdb1 to exFAT ( or FAT32 ) from LBA=1 to 2097152 by commands? ( LBA=0 is reserved for MBR )