Use this tag for questions about file management and operations on files.

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4
votes
0answers
118 views

Unexplained files found in home folder

For background information, I'm running openSUSE 13.2 and KDE 5. Today I found a number of unexplained files and folders in my home folder which state they've been edited 3 days ago. I do not ...
3
votes
0answers
10 views

Get consistent encoding for all files in directory

I have a directory containing lots of csv files from various vendors with two different encodings: ASCII Text / UTF-8 UCS2 / UTF-16 little endian I'd like to use grep, awk, sed and other utilities ...
3
votes
0answers
12 views

Is posix_fadvice / POSIX_FADV_DONTNEED functional in Linux?

If I am doing once only scanning across big files then do I need to worry about impact on the page cache or does the OS take care to avoid my scan causing pointless churn in the page cache. I want to ...
3
votes
0answers
129 views

How does fsnotify setting affect system performance?

Occasionally a software package I install complains that the default fsnotify setting is far too low for decent performance. Intellij IDEA or crashplan are two examples. They suggest using fsnotify ...
3
votes
0answers
88 views

How do I recursively set the date created attribute to the date modified attribute on NTFS-3G?

In my first question, I asked how to get the "Date created" field in NTFS-3G. Now, that I know I can get the "Date created", I have started adding files onto my NTFS-3G partition and would like to set ...
2
votes
0answers
18 views

Specify the format of application temp/backup files in kde

Many text editors will create temporary or backup files with the format ~<filename>. Because of this, folders appear very cluttered with tons of files duplicated in this way ( <original> ...
2
votes
0answers
53 views

Higher-level wrapper for entr or inotifywait

I'm looking for a way to rerun a specific command as soon as any of the files in a subdirectory (perhaps minus selected excludes) changes. Use case I'm working on a project that is self-contained in ...
2
votes
0answers
117 views

Random file showing up in various directories. How to trace its creator?

I am finding a 0 byte file named ^- (that is a caret and a dash) in various directories on my file system. I use zsh with oh-my-zsh and I am pretty sure something in there is creating it but I really ...
2
votes
0answers
72 views

Prevent scp from overwriting existing files?

Have been googling this for a while, and the problem is not so much of one where I trust my users to "do the right thing" and have them use rsync with various options to avoid overwriting files. I ...
2
votes
0answers
80 views

Can Linux be configured to wait for USB storage to be reattached instead of returning I/O error

If a usb_storage device is physically detached from an Ubuntu machine while it is still mounted, any attempt to access the file system will produce an I/O error. Is there some way to configure Linux ...
2
votes
0answers
108 views

Removing duplicate files but ignoring certain lines (e.g. embedded timestamp)

I have a bunch of gzipped text files. I am trying to remove duplicate files (using fdupes) but the problem is these files contain a line that has their timestamp in them, and the files are identical ...
2
votes
0answers
703 views

`crontab -e` sometimes fails with “Creation of temporary crontab file failed”

From time to time crontab -e fails on me on a Ubuntu box. It is the same for all users including the root and crontab -eu <user> under the root. Goes like this on a regular basis, a success here ...
2
votes
0answers
145 views

ls does not show a hidden file (OS X)

I am using lsof to view the list of open files. One such file that it displays open is : Google 3864 malaykeshav 46u REG 1,1 470455334 32578671 ...
2
votes
0answers
52 views

Image set compression

Is there a good open source (not exclusive to Linux) for compression of a set of similar images? I have thousands of documents scanned but I do not access them often. The documents are forms, with ...
2
votes
0answers
134 views

How do I make get-iplayer produce watchable quality without huge filesize?

Summary findings: I'm using get-iplayer v2.82. The files I produce on hard drive are all mp4. I've discovered the following (downloading same TV program in both cases): Using --modes=flashstd and ...
2
votes
0answers
31 views

File viewer (not manager) with dual pane

I have multiple papers, in multiple directories. let us call the papers A, B, C, D... and I have to write reports often, where I have to answer questions like Q1, Q2, Q3, Q4... Now, what often ...
2
votes
0answers
2k views

NFSv4 which “domain” to put in idmapd.conf?

I'm using NFSv4 but suddenly when the NFS Server got rebooted, all the files on the Clients are having nobody ownerships after the Server is booted and started its whatever services again. Then I ...
2
votes
0answers
94 views

How can I make Krusader show real size of symlinked files?

In the "size" column in Krusader, there is a link's size noted, instead of the size of the actual file. This is the same as what ls -l shows (the full address of the target file, e.g. 64 B instead of ...
2
votes
0answers
194 views

Disk filename corruption

Using QNX unix filesystem. The files once written with good file names in a good directory and partition get corrupted in their filenames. Some of the files remain in good shape in the same ...
1
vote
0answers
24 views

How should I distribute files/packages/software across multiple drives?

I am primarily a Windows user, but I am starting to use Linux more as I realize all the features it has. In Windows, I install my software that I use regularly on my 120GB SSD, along with the OS, ...
1
vote
0answers
28 views

Process exceeding max open files limit

I am counting current open files by a process pid by :- cmd1:- ls /proc/$pid/fd/* | wc -l and then I am calculating percentage by fetching Max open Files limits. cmd2:- $ cat /proc/$pid/limits ...
1
vote
0answers
16 views

Allow move but not put in internal-sftp

is it possible with the internal-sftp to allow mv command from dir A to B but not allow put to A?
1
vote
0answers
27 views

Is there any considerations I should take when running untrusted apps as non-root user?

I have to use an application I don't trust (unstable) and I will run it as a non-privileged user so if something bad happens the damage would be limited to the home folder of that user. I removed ...
1
vote
0answers
34 views

FS on NFS share responding slow

We have two server ex name app1 and app2.Both server have a nfs mount from same server as below:- nfsserver:/prlocal 249G 190G 46G 81% /prlocal Now the problem is when we try to access the FS ...
1
vote
0answers
92 views

fopen problem when mounting ecryptfs filesystem

After an unrecoverable fsck problem the mount of my encrypted /home/me filesystem isn't possible any more. The visible effects are: a) logging in though most of the selectable GUI window managers ...
1
vote
0answers
690 views

File limits getrlimit(RLIMIT_NOFILE) failed

(32-bit system) Posted a Q/A earlier regarding Chrome crashing because of exhausted limit in open files. Chrome has since run more smooth, (after increasing limit), but still crashes from time to ...
1
vote
0answers
36 views

How can I set a group policy to all access on all folders except one?

I am currently making a test environment where users will be going through a network administration course with different levels they must complete. Due to the nature of the course, we want to give ...
1
vote
0answers
76 views

trash and restore script - issue restoring

#!/bin/bash echo "Are you sure you want to move this file to the Recycle Bin?" "(Yes/No)" read ans case "$ans" in Yes) echo "$(readlink -f $1)" >> "$HOME/TrashLog" && mv "$1" ...
1
vote
0answers
71 views

Command that can find files that are not referenced by other files and then delete them

I was wondering if anyone knew how I could go about writing a grep command that recursively finds files that are not being referenced/used in a specific file and/or a directory of files, and then ...
1
vote
0answers
23 views

Configuring group access across a LAN

I have created a group called engineers on two VMs on the same 192.168.56.0/24 LAN. Is there any way the members from VM1 in engineers can view files created by engineers from VM2? I was thinking of ...
1
vote
0answers
119 views

File path in audit log instead of inode number

When I do: echo "#TEST" >> /etc/passwd I get the following in audit logging: node=kayak.office.local type=SYSCALL msg=audit(1412687666.054:62033): arch=c000003e syscall=2 success=yes ...
1
vote
0answers
84 views

Files associated with Thunderbird - Security mechanism for local storage

I am trying to know how Thunderbird stores the mails, associated files in the local machine. I use Ubuntu 13.10 and Thunderbird 24.6.0. When I see in the local profile folder in the location in ...
1
vote
0answers
52 views

Copying files to a directory shared via ACL doesn't get default mask

I'm trying to setup a simple shared directory on an ext4 filesystem for a group of users to work on. Let's say i just need to give all permissions to all users belonging to the group "workgroup" to ...
1
vote
0answers
57 views

How can I unveal files on my external hard drive?

I copied a big folder (around 110 GB) from my (Mac 10.7.5) computer onto a hard drive (exFAT). It took quite some time and afterwards I even checked that the files were actually there. After more ...
1
vote
0answers
95 views

Changing file time using touch

Im trying to change the file time of a m#merge the files to a temporary file. mergecap -w "${dir_dcn}"/merge_dcn.pcap "${FILES_dcn[@]}" touch -r "${FILES_dcn[14]}" dcn_file ls -l dcn_file ...
1
vote
0answers
92 views

Create a fake read only device like file with incrond

I need to generate UUID with uuidgen (not through any function call, but external command, because processes which will read the file cannot call any APIs or external commands directly). My idea is ...
1
vote
0answers
126 views

Map invalid file paths to valid file paths

I am running a program on linux which access an invalid location, say: /home/area/file. I know the valid location is /home/area/something_else/file. The problem is the input file for this program is ...
1
vote
0answers
103 views

Which Unixes support cross-device filesystem links (in particular for rename)?

Just read the following on the FreeBSD man page for the rename syscall: ... [EXDEV] The link named by to and the file named by from are on different logical devices (file systems). Note that ...
0
votes
0answers
11 views

Get mutt to open files >2G

According to the very likely sounding answer to How to access and manage a large mailbox (11 GB) I need to use mutt to open the large mailbox. However the 2G limit was supposed to have been removed ...
0
votes
0answers
53 views

extract text to csv file from output of reading multiple files into specific rows

I am trying to write a bash script to generate a csv file from text within multiple pdf documents. I have a script for converting pdf to text, but not for generating the csv file. Each text document ...
0
votes
0answers
28 views

How do I move files from a disk image using Terminal.

I downloaded an application (LaTeXiT) that installed itself as a disk image. I navigated to /Volumes and into the disk image, but when I try to move the contents to my /Applications folder, it returns ...
0
votes
0answers
30 views

Archlinux: Gnome 3.16 - ls & nautilus incorrect sorting

Recently switched from Xfce 4.12 DE to Gnome 3.16 and I have a problem with dirs & files sorting in terminal and nautilus. Test directories (how it should be): [ Pqr ] Abc Klm My current order ...
0
votes
0answers
32 views

Regex for a non-fixed pattern

I am trying to come up with the right regex (compatible with python) that would match a file that contained sample input as follows: On the third day of Christmas my true love sent to me: three ...
0
votes
0answers
47 views

Tar corrupting file attributes and skipping directories

While creating tar archives for backup purposes with 'large' numbers of files (200+), I have been repeatedly running into the following errors: tar: some/path/file.xyz: Cannot stat: Invalid argument ...
0
votes
0answers
45 views

Moving Informatica data(directories) from one unix server to another unix server

Can we migrate directories from one unix server to another unix server, without the need of installation of Informatica softwares on the new unix server? If yes, then will there be any change in the ...
0
votes
0answers
51 views

Touch a file and give it an icon image via command line

Imagine this situation: for a given task, at some point of it, I should be able to create an empty file, which I can achieve by touch file.ext on the command line. However, if I touch a .jpg file, and ...
0
votes
0answers
30 views

backup without closing programs that are opening files for editing, and detect unsaved open files?

Is it possible to do backup without closing programs that are opening files for editing? I would like to do backup without closing programs that are opening files that I am reading or writing. I ...
0
votes
0answers
24 views

Cancel removing a directory, and want to find out what have been removed

I was removing a directory by rm -r mydir and cancelled it in the middle. How can I find out what have been removed under the directory? Does remove a content of a directory change the timestamp of ...
0
votes
0answers
147 views

How can I let a application/user account only create and update a log file (no read permissions) in Linux

I'm attempting to setup a fairly restrictive Apache Tomcat installation on CentOS 6.6 and am stuck on file permissions for the log folder. The tomcat folder and all it's sub-directories are owned by ...
0
votes
0answers
110 views

Why is moving file within an ext4 partition so slow?

The short question is why is a move operation, moving within the same ext4 partition taking longer than a copy of the same files from a different drive? The longer description of the scenario: I ...