A filesystem is a way to organize and store computer files with their data.
0
votes
1answer
16 views
Continue monitor web server and download newly added files
What are the best way to continuously monitor a web server (HTTP) and download newly added file with min. delay (ideally < 1min. delay)?
0
votes
1answer
60 views
How to Solve this Read-only file system error?
I do
find /media/masi/FAT32/ -type f -name '._*' -delete
but I get
find: cannot delete '/media/masi/FAT32/._booklet.pdf': Read-only file system
I do not know how to work with such situations ...
0
votes
1answer
14 views
Installing large package throwing “no space” error
Im trying to install unity3D on my persitsent Ubuntu linuy, the stick is 10+ gb and the persistent part about 4GB.
But whenever i run dpkg -i unity-editor-5.3.5f1+20160525_amd64.deb it takes a while ...
1
vote
0answers
18 views
Does copying files to live usb damage the installation?
I've made myself a live Ubuntu stick (with persistence if that matters) but I can't boot into it from the PC I'm currently using (boot menu is restricted)
Can I save files onto the USB without ...
2
votes
1answer
23 views
Identifiy file system for the device /dev/sdc1
I started an old Virtual Machine in the UAT environment.
The output for uname -a is :
Linux pawana 2.6.32-431.el6.x86_64 #1 SMP Sun Nov 10 22:19:54 EST 2013 x86_64 x86_64 x86_64 GNU/Linux
There 3 ...
1
vote
3answers
59 views
How to delete unknown file that doesn't have proper permissions
My co-worker sent me a theme in a tar.gz file and I tried unzipping it using the archive manager GUI as I usually do for any kind of zipped file. However, it produced a corrupt file/directory that I ...
2
votes
0answers
26 views
Are directory paths stored in UNIX filesystem? [duplicate]
How is the path of a directory retrieved in UNIX filesystems? Since directories are pointing to subdirectories it seems like the path need to be set together from the parent and parent parents etc.
...
3
votes
5answers
466 views
/dev holds all partitions, so what holds /dev?
I'm a little confused (even after reading this) post, about how *nix partitions work.
From my understanding, sda usually refers to the disk and sda1, sda2, etc, refer to the first, second, and so ...
1
vote
2answers
30 views
What is filesystem.squashfs and why does it take so long to load on to bootable media?
When I use Unetbootin to put a Linux ISO on a USB drive, it proceeds quite quickly until it gets to filesystem.squashfs, which takes longer to process than absolutely everything else combined.
Is ...
0
votes
0answers
48 views
Does `find` return directories that are not on the file system?
I'm trying to identify where the python site-package matplotlib is installed on my computer. I ran find ./ -name matplotlib at the top most directory (called the root, no?) and was returned the ...
4
votes
1answer
44 views
Why is fragmentation level so huge in files that contain other filesystems?
I've just found out what sparse files are and wanted to conduct some experiments on them. On wiki you can read that the files can get fragmented easily. I wanted to check how bad that is. I created a ...
1
vote
1answer
40 views
Root cannot remove file on ext4
I have on ext4 disc the following file:
-r--r--r-- 1 root root 61440 20. pro 15.30 ldlinux.sys
But rm, chmod and mv says permission denied even for root. Any ideas what could be the problem?
FYI, ...
0
votes
1answer
24 views
To rsync -rtvuc in Two Filesystems?
I am newbie with rsync. Systems
OS_X_Extended/Source/
FAT32/Destination/
I want to rsync everything from OSX extended to Fat32 directory and delete those files/directories which I deleted from ...
0
votes
1answer
20 views
Different filesizes on different computers [duplicate]
I have a file and I want to know its size. On computer 1, I get:
$ ls -lh file
> -rw-r--r--. 1 user group 441 May 30 15:41 file
On computer 2, I get
$ ls -lh file
> -rw-r--r--. 1 user group ...
2
votes
2answers
44 views
Incorrect permissions on special files
I've noticed a lot of special files on Linux have what appears to be incorrect permissions:
E.g.:
$ ls -l /dev/fuse
crw-rw-rw- 1 root root 10, 229 May 29 09:59 /dev/fuse
appears writable but in ...
0
votes
1answer
20 views
Creating F2FS volume with specified size on Android
My smartphone is booted to the TWRP recovery and I'm running the ADB Shell as root on Windows.
I have fully unmounted /data with the following command:
umount /dev/block/mmcblk0p36
Then checked ...
0
votes
1answer
26 views
How To Copy Lossless from OSX ext to FAT32 without Ownership/Permissions? [closed]
I sudo-copied documents from OSX extended filesystem to FAT32. Now, I see that two trees are different by size and by Stephen's command here
vimdiff <(find /Volumes/fat32/ -printf "%P %u:%g %m\n" ...
-3
votes
0answers
20 views
FS Usage errors [closed]
I am getting this notification from a health monitoring script that runs on the server. It's regarding the FS Usage.
/ 19G 17G 2.8G 86 /
/dev 19G ...
1
vote
1answer
18 views
Error when attempting to mount NFSv4 file system
I am having a problem mounting an NFS v4 share on a RHEL6 system, when attempting to mount the file system with the command "mount -t nfs4 nfsserver:/home /media/home" I receive the following error ...
1
vote
2answers
33 views
Copying Files before They're Finished Transferring [closed]
Using Ubuntu 16.04 ext4, especially for chrome downloads.
Can you copy files while they are not finished transferring?
0
votes
0answers
12 views
What are btrfs generation_errs?
I have a btrfs file system that I've scrubbed a few times and found some errors. If I check the device status I see that I have generation_errs:
$ sudo btrfs device stats /dev/nvme0n1p5
...
0
votes
1answer
36 views
taking snapshots of a BTRFS volume mounted with nodatacow?
I plan to create two subvolumes on a BTRFS-formatted spinning disk. I plan to mount one of those subvolumes with nodatacow so that I can efficiently store virtual machine images and database files ...
2
votes
1answer
36 views
Understanding sparse files, dd, seek, inode block structure
At work we use sparse files as part of out Oracle VM environment for the guest disk images. After some questions from a colleague (which have since been answered) I am left with more questions about ...
0
votes
0answers
14 views
Pacman -Syu fails because /usr/bin/easy_install exists in filesystem
Pacman -Syu fails because /usr/bin/easy_install exists in filesystem
Now I read on google plus that if you move easy_install out of the bin, it will work, I don't want to do that, why doing that? ...
0
votes
0answers
22 views
Recover content of a directory when the block where directory file is located is corrupted?
A user has a Personal folder in it's /home/user folder.
Bad sectors appeared on the hard drive. If I vi the Personal folder file it's empty and if I go into it and I do an ls, the system gets stuck ...
1
vote
1answer
24 views
How can I tell when my file system was last fsck-ed at all?
I know of various ways in which to check when the last fsck occurred on a file system. e.g.
$ sudo dumpe2fs -h /dev/sda1 | grep 'Mount count' -A3
dumpe2fs 1.42.12 (29-Aug-2014)
Mount count: ...
1
vote
2answers
50 views
How to determine which files are necessary in /bin, /lib, /var, etc.?
I'm currently trying to get an image working for a network boot using somebody else's file contents. The previous images I made keeping all original files present were way too big, so I need to shrink ...
0
votes
1answer
25 views
How to use puppet to format a partition with a file system
With a filesystem such as ext4 or xfs.
But how can we make sure it doesn't do it again and again on each run. I want it to do just on the First Run
1
vote
1answer
45 views
Filesystem: How to find block of file represented by inode? [closed]
I am writing a file system for my operating system and am doing research on existing file systems before I start designing my own. I came across some slides about the System Five File System and am ...
1
vote
1answer
13 views
Using chroot to restore Kubuntu 14.04
I have accidentaly purged some system files and now Kubuntu 14.04 won't boot past the start up logo.
I read online that I can perform changes on my system through my LiveUSB and the BASH chroot ...
1
vote
0answers
24 views
what's the best filesystem for small files on mdadm RAID10? [closed]
I need to setup a RAID on my Linux server and I am looking for advise about which filesystem I shall use.
These are the type of files I am going to be writing/storing into my system.
File size ...
4
votes
4answers
57 views
Most efficient way to thin out a backup which uses hardlinks
I have a backup disk which contains hundreds of backups of the same machine from different dates. The backup was made with rsync and hardlinks, i.e. if a file doesn't change the backup script just ...
-1
votes
1answer
26 views
RHEL 6 filesystem
I'm reading about RHEL 6 and getting confused about a knowledge check.
It tells me that not to use a computer to give an answer for this but the question is on a RHEL 6 system,
mount /dev/sda12 ...
2
votes
1answer
23 views
Windows safe characters from Linux
I've been copying large amounts of files from a Linux backup to a NTFS partition.
The purpose is to have all files accessible from Windows.
From this experience I've learned the following.
NTFS ...
1
vote
2answers
61 views
How to move from one filesystem to another without changing directory structure?
/dev/xvda1 is full so I want to move its contents onto my 30GB udev filesystem.
Filesystem Size Used Avail Use% Mounted on
udev 30G 4.0K 30G 1% /dev
tmpfs 5.9G 768K ...
1
vote
2answers
25 views
Mount(8) with mount(2)
I have a software that will unmount a partition programatically (if it's not busy) and mount it again after all of the work is done.
If I run this in the terminal:
sudo mount /dev/sdb1 /mnt/fat32 -o ...
0
votes
0answers
13 views
Some doubts about disk inconsistency
I have a system with 3 elements:
An embedded system with this FAT lib that makes several operations in the FAT filesystem (e.g. add/remove file/dir, append to file). The sector read/write functions ...
1
vote
0answers
34 views
after running chown -R on home system is in read-only-mode [closed]
Unfortunately I run the following command:
sudo chown -R m:m /home/m
whereas m is my username.
The intention was to fix some right issues for another problem, however it caused the whole system ...
1
vote
0answers
49 views
FUSE Overlay filesystem for “too long filenames”
Is there FUSE overlay filesystem, that:
* resolve on it's own "too long filenames" for underlying filesystem
* otherwise (for filenames fitting into limits of underlying filesystem) just proxy 1:1
?
...
1
vote
0answers
51 views
What is a “file header” in Linux file systems?
The following sentence appears in an article in the web:
All cryptographic metadata is stored in the headers of files, so encrypted data can be easily moved, stored for backup and recovered.
...
1
vote
0answers
17 views
How do I open access (+x) to a directory behind symlinks in one move?
For example, to open access to /sys/bus/usb/devices/1-1/, the following need to be done:
chmod a+x /sys/bus/
chmod a+x /sys/bus/usb/
chmod a+x /sys/bus/usb/devices/
# files in "devices" are ...
3
votes
1answer
31 views
mount: Unrecognised segment type thin
So my Fedora Linux machine crashed during an update, and now refuses to start properly. I'm using SystemRescueCD to try to recover the contents of the hard drive.
Following the steps in this post, I ...
2
votes
2answers
31 views
Embedded device, log partition, what file system is more resilient and uses less reads/writes?
I have an embedded Linux device with a read-only file system. I have another partition that is used to store an archive of logs.
This partition will be written to a lot. What linux partition should I ...
1
vote
0answers
27 views
Union mount on Linux
A union mount presents a combined view of multiple directories (branches) in a single hierarchy. Ok, but how do I use one in practice, and which one?
Many union mount technologies are available on a ...
0
votes
2answers
29 views
Man directory layout — why the subdirectories?
Man expects the man directories listed in $MANPATH or $(manpath) to be split by section into directories named "man$section". This duplicates the section information that is already available in the ...
6
votes
1answer
60 views
Is there filesystem that allows me to insert some block in the middle of file in O(1)?
Assuming
we have huge file F.
we like to put "around" seek s a new empty (filled with zeros) block in O(1) time (i.e. without rewriting all remining part)
"around" means we can round s to nearest ...
0
votes
2answers
24 views
How does ext4 decide number of blocks of a file?
I'm playing with stat command which basically shows the inode information. Though I'm showing the information of a small file (146 characters), it shows 8 blocks. I was wondering why is that? Since ...
1
vote
1answer
27 views
Is it reasonable to use a journaling FS on a filesystem image that is stored on a filsystem that already provides journaling?
I need a filesystem image to put 150k files there, so they should be easily relocatable, i.e. mounted as a folder, when in use, unmounted and copied somewhere when needed. Due to the large number of ...
0
votes
2answers
20 views
Transmission keeps seeding after downloaded file has been deleted
I'm using Transmission 2.82 on Xubuntu 14.04, and I noticed that after I deleted the downloaded file permanently from files manager, the job in Transmission was still active and kept seeding, and ...
0
votes
0answers
18 views
Resize system partition
I would like to re-size xvda1 to 300G. I am using aws ec2 with Ubuntu 14.04.
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda 202:0 0 300G 0 disk
`-xvda1 202:1 0 8G 0 part /
xvdb ...
