Questions dealing with Ubuntu's layout of files, permissions, and files that reside in special locations on disk.

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2
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1answer
59 views

To transfer the present ubuntu image to other system

I want my Ubuntu with all installed applications and local files to be transferred to other system, which I ll be dual booting. My present system is also dual booted. I wanted to know if that ...
2
votes
1answer
36 views

I rm -rf'd /var/!

I recently rm -rf'd all of /var/ on my box and I've made a VM with the same OS/bit, I plan to upload all of the contents from the fresh VM and replace my messed up /var/ on my box with it. What's a ...
2
votes
1answer
141 views

Accidentally partitioned media drive as ext3 during install (was ext4), how can I recover?

I recently did a fresh install of ubuntu on a system with an old ubuntu install. I have a separate hard-drive which used to have a single ext4 partition, but during the install I accidentally selected ...
2
votes
1answer
91 views

Large discrepancy between df and du

My / partition which holds everything (including /home), was suddenly using 100% of disk space. I removed a few files and now df shows $ df -h /dev/sda1 Filesystem Size Used Avail Use% Mounted ...
2
votes
1answer
859 views

Double click not working as expected in file manager

I have Ubuntu 14.04 installed on my laptop. I have a Dell XPS l502x which works very good. I just noticed this (possible bug?) with Ubuntu 14.04 while in the file manager in the home folder. When I ...
2
votes
1answer
347 views

Files saved with Ubuntu is not visible in Windows 8

I have dual booted my laptop with ubuntu 12.10 and windows 8. When I download some file via ubuntu (e.g a pdf) and save it on a windows partition(NTFS), I do not see it through windows 8. Even when I ...
2
votes
1answer
369 views

Grub corrupted and etc directory missing

I have a dual installation with Ubuntu 10.04 and Windows 7. I was in windows, I had to restart my machine and my grub was not loading. I used boot-repair to load my grub. However, my linux ...
2
votes
1answer
445 views

Moving Kubuntu from hdd to ssd

I bought a new SSD to install it in my HTPC. Before, I had an HDD with Kubuntu. I would need to copy the files from the / partition from HDD to SSD. To do this, I booted from the Kubuntu livecd, ...
2
votes
1answer
746 views

How do I interpret the output of the filefrag command?

I have a dump file in my system that has confidential data in it. I tried using the filefrag command to open it. The output is: root@sateesh935-SVE15115ENB:/home/sateesh935/Desktop/g3# filefrag -v ...
2
votes
1answer
624 views

Ubuntu Server 12.04 start fails after update

I did an system update on Ubuntu Server 12.04, which requested a reboot. Since that, the system never reaches the login. It hangs on: mount: mounting /dev on /root/dev failed: No such file or ...
1
vote
1answer
43 views

Disk allocation

I installed ubuntu 15.04 and used entire space(640 GiB) for ext4 partition but now it is showing that used space = 30.91 GiB, free space = 24.96 GiB and 536.40 GiB unallocated space. I tried to extend ...
1
vote
1answer
51 views

Re-install and keep home partition with btrfs - lost files

So, I was running Arch Linux with separate / and /home. Both were btrfs partitions, but the whole drive was not managed by btrfs. I decide to install Ubuntu 14.04. I carefully select to format / and ...
1
vote
1answer
46 views

ntfs-3g Failed to decompress file

For years the logs of my Ubuntu systems sharing drives with a Windows installation have been routinely flooding logs with: Mar 17 11:00:50 kemosabi ntfs-3g[483]: ntfs_attr_pread error reading ...
1
vote
1answer
799 views

Sanddisk drive write protected

My sanddisk usb write protected i tried ashokkrishna@ashokkrishna-Lenovo-B560:~$ sudo mount -o rw /dev/sdc1 /mnt mount: block device /dev/sdc1 is write-protected, mounting read-only # sudo mkfs -t ...
1
vote
1answer
23 views

Minimizing effects of large number of files

I need to manage a filesystem with a large number of files (hundreds of thousands). This filesystem is rsynced periodically. The vast majority of files don't change often, but since there's so many, ...
1
vote
1answer
1k views

mtp usage: how to mount and transfer files to and from a Samsung: Galaxy model Android phone

how do I use mtpfs to read/write to a USB connected Android phone, connected as a mass storage device: thufir@dur:~$ thufir@dur:~$ mkdir phone thufir@dur:~$ thufir@dur:~$ sudo mtpfs -o allow_other ...
1
vote
1answer
54 views

How can I get rid of /etc/../run?

For some reason (most probably happened during an upgrade more than one year ago), my system has a directory called /etc/../run (strange, right?). It is empty but I cannot remove it: $ ls ...
1
vote
1answer
16 views

file missing, help with recovery

I have Ubuntu 12.04 LTS with Windows 7 as dual boot. While on Ubuntu, I was using files and folders from the windows partition. I made a folder in the windows partiton, copied in it a ".docx" document ...
1
vote
1answer
47 views

Where can I find a unified explanation of lower-level filesystem structure in Ubuntu?

This is not a duplicate question about file-system hierarchy that can be answered by pointing me toward man hier, ubuntu-policy, or something. I've looked at those questions. My problem is that I ...
1
vote
1answer
44 views

Does encrypting home folder during the installation also encrypt other user's home folder after the fact?

If I were to select the option to encrypt my home folder when installing Ubuntu, then does Ubuntu automatically encrypt other user's home folder that I create after I installed Ubuntu?
1
vote
1answer
477 views

Deduplication using SDFS file system

I am trying deduplication with sdfs.(ubuntu 13.10 on Vm). (http://opendedup.org/quickstart) followed the same steps as this mounted the file system on /media/pool0/ When copied a directory ...
1
vote
1answer
118 views

Why some web pages/files saved to NTFS can be accessed in Ubuntu but not in Windows OS ?

I'm having problem opening files which I saved in Ubuntu with Firefox web browsers "Save Page As" in a NTFS partition. The files can be viewed/accessed (using web browsers or text editors or word ...
1
vote
1answer
569 views

GParted bricked my USB Drive

I tried to use GParted to rename my USB Drive. Everything appeared to run smoothly, but when I removed the drive and reinserted it, it wouldn't mount. I can see the USB initialisation in dmesg, and ...
1
vote
1answer
825 views

lvreduce too much. Can I recover this?

I was trying to take a hard drive out of a large LVM group consisting of 5 drives. It had a 5.5TB filesystem (ext4). The LV was 7.5TB. I wanted to reduce the LV by 1.82TiB so that I then could shrink ...
1
vote
1answer
49 views

Can't see system drive Sda1

I can't see my "C" drive any more (excuse the DOS notation) It doesn't show up in my home folder.The drive is partitioned into a 30GB Root and the rest reserved for data None of it shows up in my home ...
1
vote
1answer
33 views

saving screenshots from before OS is installed

I'm doing an assignment which requires me to take screenshots of everything I do, including taking screenshots of using using the partition manager in the "test" version of Ubuntu 12.10. How can I ...
1
vote
1answer
220 views

/sys/bus/usb/drivers/r8712u/new_id is unchangable

I got my newly purchased wireless stick to work, but I had to change the /sys/bus/usb/drivers/r8712u/new_id file during the process. I somehow managed to add the string "050d 11f1" to it, but it seems ...
1
vote
1answer
1k views

Question about Ubuntu 12.10 extracting a .tgz file in the wrong directory

I installed the Ubuntu 12.04 then I reinstalled Ubuntu 12.10 (the version along with Window 7) When I was using Ubuntu 12.04, I typed ls to show what file are listed in directory(included ...
1
vote
1answer
87 views

How can I change the standard files in nautilus?

I don't like the standard files in Nautilus (the ordering by data types - Images, Music, Videos, Documents etc.), how can I change this or can I change this ordering without getting problems with ...
1
vote
1answer
799 views

Live-Ubuntu 12.04 ran fine, now stopped booting!

I've seen similar problems to this several times in the forum, but mine is a bit different, so the other posts I saw were no help to me. When I boot Ubuntu 12.04 64-bit from live-SD-card (3GB ...
1
vote
1answer
576 views

Problem accessing second hard disk with Squeezebox server

I have recently re-purposed my old desktop PC as a 'server' running Ubuntu LTS 12.04. I want to use the machine as my primary squeezebox server in place of my HTPC MacMini (to reduce the strain on the ...
1
vote
1answer
576 views

Clean mounting HFS+ partition after power failure

I have a rather large external harddrive formatted in Apple's HFS+ format, and reformatting it is not an option for me. Now that I have a linux server at home, I have turned journalling off on the ...
1
vote
1answer
798 views

How do I Access Files from one Ubuntu Partition on Another

A terminal error occured on my computer and I found myself unable to log in to Ubuntu. To remedy this, I decided to simply install it again on a partition and then access my saved files on the old ...
1
vote
1answer
45 views

What files get edited when the system time changes?

If the system time is changed on Linux, what files get edited? I know the timezone is kept in etc/timezone but is there anything if the timezone is not changed, but the time is?
0
votes
1answer
35 views

File system root low disk space

I installed Ubuntu Gnome 14.04 a month back. It all worked perfect but after two days I repeatedly got the notification - File system root low disk space 0 MB left. I had installed everything ...
0
votes
1answer
51 views

Problem reading exFAT XQD card Ubuntu 12.04

I am having a problem reading files from an exFAT formatted XQD card. The card was formatted by a Sony fs7 camera and contains 4k video files shot using the fs7. The card is a lexar 64gb and the card ...
0
votes
1answer
46 views

Problem accessing old data on btrfs /home in ubuntu 14.04

I recently did a fresh installation of ubuntu 14.04 64 bit on my pc. Previously I was dual booting ubuntu 14.04 with windows(both 32 bit). My hdd is 500 GB. The previous structure of the hard disk was ...
0
votes
1answer
47 views

GRUB Rescue - Cannot use insmod, msdos3 does not appear and bootable CD is not working. Please help

First, I must confess that I know almost nothing about Ubuntu, GRUB, GNOME, or anything else to do with Linux. I've been using Windows for as long as I can remember, so my experience with Ubuntu spans ...
0
votes
1answer
18 views

Is O_NOATIME safe to ignore?

I am designing a filesystem to be implemented in FUSE. I have a question regarding what is allowed and best practice. There are 2 scenarios: User process calls open(..., O_NOATIME). Filesystem ...
0
votes
1answer
58 views

How to get rid of more than one million ghostfiles?

I periodically run Bleachbit 1.0 on my Lubuntu machine (kernel 3.13.0-35-generic). Last time, I checked the option to wipe free disk space, mainly to try it. The program got stuck on a message saying ...
0
votes
1answer
58 views

how to automount sda2 partition

How do I mount sda2 from sda1? thufir@doge:~$ thufir@doge:~$ sudo parted -l Model: ATA ST500DM002-1BD14 (scsi) Disk /dev/sda: 500GB Sector size (logical/physical): 512B/4096B Partition Table: msdos ...
0
votes
1answer
26 views

Lost a desktop folder

I am pretty new to Linux and was trying to change the name of a desktop folder from Documents to Media when I got an error message about the pathway. I restarted the computer and lost the folder. I ...
0
votes
1answer
32 views

How to migrate to a newer hard disk?

I am using Ubuntu 14.04 LTS and as I am very new to Linux I don't know how to copy my entire setup to a new disk. I have prepared a 500gb Hard disk drive with 5 partitions. I'd like to move my ...
0
votes
1answer
17 views

Saved document doesn't inform user about no-saving the information

I supported a person who received a .doc in Thunderbird as an email attachment, opened it, filled in a form and saved it. But the user couldn't find it anywhere. Thing is that is was saved in /tmp . ...
0
votes
1answer
15 views

What could possibly be changing the access time of old backedup files?

I am using ubuntu 14 LTS 64 bit. I keep backup of my source files in /var/src-backup/. I was examining the access date of all those files and it appears as though the files have been accessed at ...
0
votes
1answer
49 views

Ubuntu Server Var directory deleted

How can solve the problem of accidentally deleted var directory of Ubuntu amazon aws server.My website down right now.Support from amazon is paid service I am new to Ubuntu Hosting and unable to pay ...
0
votes
1answer
91 views

How to change the permissions of the sound devices so only audio users can read and write

Summary: I want to know how to change the permissions of my sound devices so that only my user can read and write to them. I thought this could be accomplished by chmod 0660 /dev/dsp* but /dev/dsp* ...
0
votes
1answer
96 views

Whenever I open my home (~) folder with nautilus, there is an endless loading

Ubuntu 14.04. Kernel 3.13.1-031301-generic. If I change to another folder the endless loading (*) from hard drive stops. I don't have much in that folder. Any idea what might cause that, or how I ...
0
votes
1answer
97 views

Why are the MBR and GRUB present as files in the Linux filesystem?

A computer's master boot record consists of raw binary and does not reside on any sort of partition. Legacy GRUB and GRUB 2 are installed to the sectors inbetween the end of the MBR and the start of ...
0
votes
1answer
167 views

Cannot delete a folder

I have Segate backup + 1TB external HDD recently since 1 month i am unable to copy the files effectively sometimes the copying is 10 kb/s like that. and sometimes iam getting error like Input/output ...