A filesystem is a way to organize and store computer files with their data.

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Is there a way to access Google Drive spreadsheet?

I'm using Linux Mint 16 Cinnamon. I tried google-drive-ocamlfuse and grive, but both of them can't access spreadsheet. google-drive-ocamlfuse shows this error: Device or resource busy W hen it ...
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49 views

How is default readahead value determined

I have two different devices running XFS and the default readahead value set differs between the two disks. Why is that ? How is the default size computed ? Is it device dependent ? I might also add ...
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332 views

Replacing default initramfs with my own

I followed this article to develop my own sample intramfs.cpio Now I have to put this in my kernel and compile. The procedure that I follw for petlinux is that I first run petalinux-config (and ...
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203 views

Citrix XenServer, all packages appear to be 32bit

I'm hoping to use Citrix XenServer for a group of 4/5 machines. One of these machines has 18TB of storage (after RAID5 is taken into account). I've installed XenServer and mkfs.ext3 is the only ...
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331 views

How to use fslint (in particular findnl) on the command line to actually mimic the behavior of the fslint-gui?

So I am trying the fslint tools. However, the help included in those tools as well as the man page don't indicate that the cleanup actions offered by the fslint-gui are also available through fslint ...
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22 views

What forms of discretionary access control are there?

I know it's kind of an unguided question, but just so I have a broader sense of how things are I was interested in getting a reasonably complete list of discretionary access controls available on Unix ...
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140 views

Optimization for an SSD?

I am running Fedora 20 on a Laptop ( Lenovo Ideapad Yoga 2 Pro ) with an SSD. My filesystem is LVM with ext4 as the format option. I am now running Fedora as the only OS on the system with Legacy BIOS ...
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2k views

kernel: “echo 0 > /proc/sys/kernel/hung_task_timeout_secs”

I got this errors in syslog. Any idea what does it mean? The system is running on Ubuntu 12.04, kernel: 3.8.0-35-generic #52~precise1 It looks to me like failure when trying to write to disk... ...
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183 views

How to blacklist bad blocks from a MD-raid + dm-crypt + ext4?

I have a ext4 partition, on top of a dm-crypt, on top of a MD-RAID 10. One partition (/dev/sdc1) dropped out of the array with a ton of read errors. I ran the manufacturer provided diagnostic tool ...
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989 views

Problem with openSUSE 12.3 dual-boot installation (with Windows 7)

I have a current Windows 7 64 bit installation that I'm using and I wish to create an openSUSE 12.3 partition on my HDD (not my SSD Windows drive). I used the Windows Disk Management tool to shrink my ...
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229 views

unionfs filesystem

I recently learned about unionfs and aufs and would like to put it to some real use. The scenario I have in mind is the following. Boot a machine with ubuntu on it which will serve as our base. Make ...
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160 views

How can I delete data from in a hexdump file from one offset to another?

I've created a disk image which was zeroed, formatted to ext4 file system, and then had several various files copied to it. I'm trying to extract these files using a combination of xxd and dd, but ...
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1k views

How to set up ZFS with ZIL and L2ARC SSD?

I have been considering bcache and flashcache. However my friend suggested me something called ZFS. In fact it says that formating disk with ZFS can actually do the exact same thing without kernel ...
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165 views

Directly convert Archbang live on a USB drive to one such with persistent file-system

I have installed Archbang 2012.12.03 from ISO image on my USB drive, now I have a USB drive with a live Linux installed on it but at end of every session and rebooting system I faced with a fresh ...
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135 views

Creating a Virtual filesystem to boot linux

I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
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408 views

Negative hdd usage. Available is larger than fullsize

Having issues with space accounting of lvm volume. 23G is available. But the full size of the partition is 20G. (So, it shows "-4.1G used" 0_O) > df -h Filesystem Size Used Avail Use% ...
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283 views

Unable to access Linux share from a Windows machine with NT_STATUS_BAD_NETWORK_NAME error

On the Linux machine I changed the smb.conf like this: [john] path = /root/john/downloads available = yes valid users = john read only = no browsable = yes public = yes writable = yes The path ...
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198 views

memtester runs faster after couple of runs

I am using this test tool : http://pyropus.ca/software/memtester/ And I noticed that first 3 iterations take 4 hours but 30 iterations take only 12 hours. I was hoping that 30 iterations will take 40 ...
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630 views

How can I determine how directories/filesystems have been mounted?

I have access to a VM which on a different network at work using NIS. (Debian by the way) This VM has about 10 extra /directories in / when I log in. They do not exist on that VM alone, they are ...
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84 views

How to access storage device related events with Zeitgeist?

I am trying to get my mind around Zeitgeist, using the Python DBus API. To get the latest accessed files and application is not so hard, here is what I do: #! /usr/bin/env python from ...
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15 views

How does rootfs.ext3 image file work?

I have a FriendlyARM mini6410 device and I have just hardly make it boot from sdcard. Now my sdcard uses "u-boot for mini" (u-boot.bin), "linux2.6.38 kernel" (zImage) and "rootfs qtopia fs" ...
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18 views

filesystem not detected while booting after regular updating

I am using RHEL7. After a latest regular update, my computer not booting. I noticed that, during updating, the kernel also got updated. All my attempt with previous kernel version,which is listed in ...
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64 views

Completely hidden directory on ACFS imported via NFS

how is this possible: [root@oda001-d0 .ACFS]# pwd /OVS/Repositories/repo1/.ACFS [root@oda001-d0 .ACFS]# ls -la .. total 148 drwxr-xr-x 8 root root 4096 Jun 23 11:45 . drwxr-xr-x 5 root root 4096 ...
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Ext3 Journaling Question on inode and disk layout

I was going through Journaling and JBD and wanted to ask you a very basic question for which I was not getting an answer: 1.Why Journal Inode number comes as 8 when we do ./dumpe2fs? 2.So far my ...
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9 views

Load root partition on embedded linux system

I'm using a zynq-7000 SoC, running a custom petalinux build, which is on an SD card. The boot partition contains a boot.bin (the bootloaders etc) and an image (containing the kernel). The root ...
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22 views

Misc file corruption freebsd 10 and dns zone file

The computer is a VPS from Vultr. They tell me that "since it is loaded into RAM and not really a drive, nothing on the host would be causing this." One particular file, my zone file, will come up ...
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37 views

Filesystem check or mount failed on elementaryOS Freya

I had to move to a temporary workspace for a short time which runs on very bad hardwares, so I bought an SSD trying to speed it up. Now, I have installed elementaryOS Freya and my development ...
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41 views

Where am I supposed to put PyCharm files?

I've just downloaded PyCharm (pro) for Linux (I'm running Ubuntu). It's basically a zipped directory containing everything it needs to run (tree below), including an entry point (bin/pycharm.sh). ...
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61 views

Repeated Ext4-fs error with comm psad: invalid block. Does it mean the SSD is dying?

Configuration : Debian Jessie with SSD. /dev/sda1 is root filesystem, /dev/sda6 is home filesystem. Errors occurs only on /dev/sda1. For the third time, I've got software errors because the root ...
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16 views

Filesytem errors during boot

I am using OMAPL138 and kernel version 2.6.37 and I would like to improve the boot time of my system. I made some progress on this, but I still have some errors which may be causing delay in the boot ...
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11 views

Not detecting hfs+ partition on second drive

I'm having a problem, I want to backup some files to my second drive before reinstalling, but I can't mount it. The filesystem is contained in /dev/sdb10, according to GParted, but that doesn't exist ...
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34 views

Can we delete or reduce allocated space to mounted filesystem?

Can we delete or reduce allocated space on an already mounted filesystem? I have already mounted or allocated 4 Gb space for a particular filesystem, but I need to reduce the allocated space to 1 GB. ...
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48 views

Trying to setup a 2 way file sync in Linux

I am trying to setup a 2 way file sync in linux of reasonably small data-set. I would like to replicate data over WAN so distributed filesystems like gluster are not in point of my interest - they are ...
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40 views

Kernel problem after editing filesystem.squashfs

I use Kali Live linux (which is based on Debian), today I tried to edit filesystem.squashfs file which is located at /live/filesystem.squashfs using squashfs-tools. First I extracted this file using ...
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30 views

Difference between fsarchiver and dump

What is the difference between dump and fsarchiver? Are there features in dump which are not covered by fsarchiver? Can both backup to tape storage for example?
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39 views

What could be the output of command `lsblk -f -r | grep ' /' | grep -v ' /boot'` on encrypted drives?

Suppose we have drives which are encrypted, what could be the output of following command in Debian based (specially Ubuntu OS)? lsblk -f -r | grep ' /' | grep -v ' /boot'
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144 views

usbfs: process 25093 (pool) did not claim interface 0 before use

I recently got a new phone, a Moto G 2nd Gen. I am running Debian Jessie on kernel 3.16.0-4-amd64 libmtp 1.1.8-1 libusb-1.0-0 2:0.1.12-1 gvfs 1.22.2-1 When I plug it in, it appears to be fine. ...
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53 views

find the cause of file corruption when copying files to a network share on an Ubuntu machine

I am copying files from my SD card to my Ubuntu server via Windows 7 using a network drive. The problem is that sometimes, 2 files out of 150, are corrupted during transfer. See here 2 example files ...
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49 views

Possible to detect and alert when SMB writes cryptolocker to a share?

I need to make an alert,task, or action when cryptolocker uploads a specific app into the OS How can I hook into the filesystem in such a way so that I can detect this? For reference, I'm using ...
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30 views

Detecting filesystem changes without direct fs-support

How do I detect changes (additions, deletions, modifications) to a directory tree without filesystem support (like btrfs snapshots)? I want to list all changes to a specific directory tree on an ext2 ...
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51 views

How can I recovery data? Or how can I fix file system without deleting of data?

I have done fsck.ext4 -f /dev/sda5 but questions were too much and I close one several times. After that I used several times e2fsck. But it was very slowly and I stopped one several times too. ...
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92 views

Live shrinking of root partition has failed on Linux Mint

Steps taken: *Used fdisk to delete the existing root partition and created a new root partition (PV) starting on the same block *Added the 'a' flag using fdisk to make it bootable as /boot is under ...
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19 views

How to pass local directory as drive in Windows+VirtualBox

Setup: Linux host + VirtualBox + Windows 7 guest. Currectly I use shared folders feature but it is too fragile, I see all phantom effects and on the other hand Windows have change file notification ...
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690 views

Device already mounted on resource is busy

Issue ::: I install Redhat 5.10 x64 on server which had faulty hdd . I removed the old faulty hdd and installed new one with 500GB capacity and after installation i need to copy some data from old ...
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17 views

Which tuning I should do to install an Ubuntu into a flash drive?

My goal is to have a portable Linux, preferably kubuntu, installed in a flash drive so I can have all the software I need to university always with me. Must have: Debian KDE Updatable in a usual ...
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44 views

Indestructibles files on NTFS - cannot delete, not even by inode

I have a couple files on NTFS partition that seem to be indestructible - I tried all I know, and nothing: .../test/db $ ls -la total 37K drwx------ 1 ondra ondra 32K Nov 30 23:54 . drwx------ 1 ...
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41 views

Stale NFS file on Postgresql directory

I have a Debian Wheezy computer running a Postgresql Server and NO NFS filesystems. After rebooting the computer, the following error has appeared: ls: cannot access 0000: Stale NFS file handle ...
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26 views

Files and Directories Dissappearing from Software Raid on Power Failure

I have a home samba file "server" (a raspberry pi) with two hard drives in a software raid 1, which have proven less reliable than any of my non-raid disks. I know there is a chance for data ...
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129 views

Cannot label F2FS (SELinux)

I'm running Arch Linux [testing] x86_64 For some reasons, I can't relabel my root file system (F2FS) with SELinux (custom kernel compiled, using refpolicy) Kernel ver $ uname -a ...
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274 views

Cannot mount fresh partition twice

I try to partition a harddrive with a script, where I have some trouble remounting the partition. This happens both this btrfs as well as with ext4. So I assume the problem is the partition table, and ...