For questions regarding disk storage devices such as hard disk drives, floppy disk drives, and optical disk drives.

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18
votes
7answers
18k views

How to determine where biggest files/directories on my system are stored?

I was wondering how do you know where the largest files in my system are stored. For example--- Disk Space Used: 1GB Java: 500MB Java Percentage: 50% maybe represented in a pie chart. Maybe? I know ...
0
votes
0answers
18 views

how can I limit disk IO per application?

I am in trouble with io bottleneck in my Ubuntu distro. Sometimes some greedy applications freeze my comp because of high io requests, I have to make hard reboot. For example, when I open multiple ...
0
votes
1answer
13 views

How to change zram size?

I installed zram with sudo apt-get install zram-config. After that it started automatically and when I verified with cat /proc/swaps it's running properly But when I used sudo echo 128M > ...
0
votes
1answer
20 views

SMART Pre-fail (Temperature 70)

Could someone please interpret the SMART Data and Self-tests using Disks in Ubuntu 14.04 LTS: The other day all of a sudden I started receiving errors upon every command entered into the terminal, I ...
0
votes
0answers
31 views

Boot Ubuntu from VHD with Windows 10 [on hold]

Is it possible to native boot Ubuntu from a VHD file using Windows 10? If so, how?
0
votes
1answer
26 views

How to copy a diskette to another disketter

I have not worked with Linux (Ubuntu) that much... just installing it on some computers and know a little bits about getting around. With that said... if someone can point me in the right direction ...
6
votes
4answers
20k views

How to open wubi's .disk files under windows?

Wubi has created one big file with whole ubuntu installation root.disk - there are some files I have left on my linux partition that I would like to access from windows partition, Is there any way to ...
1
vote
1answer
4k views

Can't remove GPT data from MBR

I am having difficulty getting the Ubuntu installer (and gparted) to recognize the partitions on my MBR type disk. Other operating systems and disk tools read the disk structure and the files on it ...
1
vote
0answers
27 views

No disk, no partition

Okay guys, I had a bit of a problem with my PC earlier. Not sure what happened, it just crashed in the middle of me playing a game and when I restarted it's now telling me I have no operating system ...
1
vote
1answer
82 views

How to disable “Remember forever” option in mounting encrypted disks

Whenever you mount an LUKS encrypted disk, Ubuntu gives you 3 options: Forget immediately Remember for this session Remember forever I wanted to know how to reset this choice after choosing the ...
-1
votes
2answers
56 views

I was partitioning my hard disk but there is something wrong?

I was partitioning my hard disk based on what I understood from this question. This is the final result: But I faced some problems here, I don't know which partitions should be primary and which ...
1
vote
1answer
51 views

Desparate: how can I clone my Ubuntu USB harddisk so that I really can boot from the new clone

I'm quite new to this, but in the past few weeks I've been able to install Ubuntu 14.04.1 LTS on a Ventura USB hard disk (240 Gb), and after a lot of issues (getting Citrix Receiver, Adobe flash, etc. ...
2
votes
3answers
156 views

How to List Unmounted partition of a harddisk and Mount them?

How to list the disk partition when they are unmounted? And how to mount them through terminal?
-1
votes
4answers
67 views

I want to make disk Partition for my hard disk

I want to install Ubuntu on my laptop as a main or primary operating system without Windows or anything else. My hard disk size is 300 G.B, I have two questions : first : What is the best or ideal ...
0
votes
0answers
17 views

Ubuntu Mate on Raspberry Pi B Disk shrinking disk space

Running Ubuntu Mate on RP 2 after several reboots disk space gets progressively smaller. Has happened repeatedly on different SD micro chips. Eventually remaining disk space is too small and system ...
0
votes
1answer
20 views

Enlarge disk partition after cloning [duplicate]

I have SSD disk 30GB with Ubuntu installation. It is too small, because I have there some servers and projects. Currently, there is about 800MB free space. I already bought new SSD disk with 120GB. I ...
0
votes
1answer
30 views

Unstable system when low disk space

When I tried to fill system disk to full (100Mb and less space remaining), I noticed that Ubunstu is quite unstable, for example when i open System Monitor, it doesnt open, only blink.. or when i ...
3
votes
2answers
5k views

Why does my root filesystem keep becoming read-only?

I've lately been having an issue with my root filesystem becoming readonly. It happens some amount of time after boot. I don't know exactly when it happens, as I don't usually notice it until ...
1
vote
0answers
12 views

Can't log in after partition recovery

I installed Ubuntu 14.04 and accidentally deleted all partitions. I then used testdisk to retrieve one of the partitions, and after it finished it needed a reboot. I rebooted and now I can't unlock ...
0
votes
1answer
21 views

The volume “boot” has only 2.8 mb disk space remaining [duplicate]

I keep getting the following message and am new to Ubuntu. Not sure how to increase the space in boot volume from other partition. The volume "boot" has only 2.8 mb disk space remaining it also ...
0
votes
3answers
4k views

Could not unmount /dev/sda1 with root filesystem

Could not unmount /dev/sda1 with root filesystem. When I try to resize it by unmounting but the following error message pops up: The partition could not be unmounted from the following mount ...
1
vote
0answers
15 views

Extend Ubuntu Partition to a Windows Drive [duplicate]

I'm running out of space on my root(/sda10). I want to merge the drive Ubuntu(/sda8 - 10 GiB) in my root(/sda10). I don't have any unallocated space so. Should I format the Ubuntu(/sd8) in ext4 ...
3
votes
5answers
11k views

How to create bootable USB without administrator rights?

I would like to use the work computer to create the bootable USB I need bootable USB disk for my home computer. I'm not administrator on the work computer, so I can't execute the installer. Is ...
0
votes
1answer
39 views

error message not enough disk space

I have a older macbook, which is a 13 inch laptop. I was running OS X Lion and decided to erase my hard drive and start over with Ubuntu. Now when I try to download Ubuntu or other software, I get an ...
7
votes
4answers
3k views

Thunderbird 16.0.1 filling disk space

I'm on Ubuntu 12.04 with Thunderbird 16.0.1 and Kernel 3.6.0-030600rc4-generic. I used Thunderbird for quite a while and never had any problems with it. But now it seems to fill up my disk space very ...
0
votes
1answer
28 views

Help needed. Tips for organizing disk space for Win10 and Ubuntu 14.04

To begin with, I have no practical experience with Ubuntu or similar systems so please forgive me if I ask the obvious questions. I am intending to buy a new laptop (no OS preinstalled) and set up a ...
0
votes
2answers
50 views

Operation on one disk overloads other disks

I'm using Ubuntu 15.04 with MD RAID1, LVM and LXC on top of them as a webserver. I have normal load average about 1-2, and all is working well until I perfrom any massive IO operation. The strange ...
0
votes
1answer
38 views

Driver problem with Ubuntu?

I have a password set at boot up and I get this error after I enter my password: /dev/mapper/ubuntu--vg-swap_1 is not ready What caused this and how do I fix it?
0
votes
0answers
21 views

Drive not ready or present during startup

While instaling Ubuntu 14.04 LTS i created 5 partitions with mount point as / (Ex /Disk1,/Disk2...).After that i deleted all of them using terminal with command sudo rmdir Disk1, now while start up it ...
0
votes
1answer
21 views

Problem with mounting storage devices

I'm using Ubuntu Server 14.04 and have several external storage arrays (nothing special a 5 disk RAID10 box, they appear to the OS as a single disk) I use the UUID to mount them with /etc/fstab ...
3
votes
0answers
25 views

Changing munin hdd plugin used UUID

I've backed up my ubuntu server, and changed the HDD. Now I need to know where is the old UUID saved on the system? It seems that munin will no longer work with the HDD plugins, I guess it's looking ...
0
votes
0answers
54 views

Ubuntu 14.04 freezes after booting from SSD

I recently installed a Crucial 500GB SSD, to replace the ageing HDD in my laptop, and improve performance (a Dell Vostro, about 5 years old). After cloning the existing drive using ddrescue, I ...
0
votes
1answer
14 views

Move partition from ssd disk to pendrive

I have a 128 GB SSD. There is one partition: sda1 - 12 GB. I tried to move this partition to a USB pendrive. The pendrive is 16 GB in size. I booted from a live medium and ran: dd if=/dev/sda1 ...
4
votes
4answers
387 views

What is “mount” [duplicate]

what is "mount"? I have a gut feeling it means "make data storage accessible", but what does it really mean? Please specify the cases when "disk is accessible" and "disk is mounted" are different".
1
vote
3answers
47 views

How can I print the breakdown of disk usage by directory?

My cloud instance (running a web app) disk usage went up inexplicably, I suspect there is something like a storage leak there. Is there any way to the breakdown of disk usage by directory, in order ...
2
votes
1answer
64 views

What is the bottleneck in system performance?

System Configuration: Dell Inspiron N5010 - Intel Core i3 380M 2.53 GHz, 4 GB DDR3 RAM, 1 GB AMD RADEON Graphics, 500 GB SATA 5400rpm HDD, Ubuntu MATE 15.10 (this is supposedly lighter than the Ubuntu ...
0
votes
0answers
16 views

How to erase my DVD with cdrecord? [duplicate]

milenko@milenko-X58-USB3:~$ wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg1' rwrw-- : ...
3
votes
3answers
12k views

Using the Disk Utility application as SUDO user in Unity or on CLI

How do I start the "Disk Utility" program as sudo user, in the Unity gui? If I want to start the application from a CLI, what is the application name? (There is no reference to the actual program ...
0
votes
0answers
9 views

hard disk accesing denied saying boot error

[enter image description here][1] [1]: http://i.stack.imgur.com/QctKz.png this is the error im getting.
4
votes
0answers
127 views

External disk mount again after safe removal

I have an external ntfs disk. When I try to safe remove it, after few seconds it is mounted again without doing nothing... This happens every time and with every remove method I tried: clicking on ...
0
votes
1answer
19 views

I cant download on other locations outside root!

I have Ubuntu 15.10 running at the moment. I am trying to download a file on my 120GB external drive, but it wont let me. I have no space left on Ubuntu, so I can't download it there.I am using ...
6
votes
2answers
857 views

Full disk encryption - separate home partition

How to create separate /home partition when using full disk encryption feature in the Ubuntu 12.10 installer?
0
votes
1answer
21 views

How to edit a mounted HDD [duplicate]

I want to know why my HDD main partition (the biggest part of the disk) appears as it was a double partition: Can I change it? How? Also, LibreOffice 5 doesn't recognize that partition. It only ...
0
votes
0answers
18 views

I cannot install software [duplicate]

I am getting "installation failed" all new installs. It says "low disk space on boot file". I cannot move the boot file, nor can I install new software elsewhere. i have over 450gb of free disk ...
0
votes
2answers
104 views

No more space on disk [duplicate]

I'm using Ubuntu 14.04. For some time I haven't been able to run more programs simultaneously. This is what df -h gives: Filesystem Size Used Avail Use% Mounted on /dev/sda1 29G 25G ...
1
vote
1answer
126 views

External harddisk detected but not mounting

I have a WD MyPassport that is NTFS formatted with only 1 partition, and works perfectly fine on Windows. It was working well with Ubuntu until a few days ago (points 3 and 4 explains what changes I ...
0
votes
0answers
59 views

Unable to write on disk. Lot of space and inode are available. Permission set properly

I've a vps with ubuntu server 14.04.2 LTS with a lot of websites running on it. From some hours I randomly get error related to insufficient space on disk. Here is the result of df -h: Filesystem ...
2
votes
2answers
2k views

Ubuntu installer can't find any disk on Dell XPS 13 9350

I am trying to install Ubuntu 14.04 / 15.10 on my Dell XPS 13 9350 (November 2015). I created a bootable USB disk which boots fine but the installer and the file manager do not detect any hard drive ...
55
votes
6answers
52k views

Mount single partition from image of entire disk (device)

I made an image of my entire disk with dd if=/dev/sda of=/media/external_media/sda.img Now the problem is I'd like to mount an ext4 filesystem that was on that disk but mount -t ext4 -o loop ...
2
votes
3answers
7k views

vmware-vdiskmanager is not present in my system

I'm using Ubuntu 12.04 and trying to expand size allocated to Linux virtual machine, but I'm not able to find vmware-vdiskmanager or any package that installs vmware-vdiskmanager. Can anyone please ...