A file system structure in which to store computer files.

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0
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2answers
26 views

Is it possible to create a virtual directory in Linux?

Like this way in Windows mklink /D Virtual_Folder_Here Real_Folder_Here. I was unable make work alias in Apache virtual sites in Windows so I made a virtual directory. Is this possible in Linux too?
0
votes
1answer
10k views

enable apache mod rewrites to load clean-urls

In CentOS, a2enmod rewrite results in “command not found” but httpd -M lists rewrite module as listed and shared. I'm trying to enable it so can then have these rewrite rule apply so I can switch back ...
22
votes
2answers
3k views

Where do the files go if you mount a drive to a folder that already contains files?

I just accidentally mounted a new drive to a folder that already contained files. I don't care about them and have them somewhere else, but that folder appears empty now. I'm curious what happened ...
46
votes
4answers
39k views

How can I calculate the size of a directory?

How to know the size of a directory? Including subdirectories and files.
1
vote
2answers
33 views

How to remove data in / directory [duplicate]

I would like to know what is contained in the "/" directory and is it capable of utilizing 50GB. My system all the 50GB allocated to "/" had been utilized. I want to know what to delete if want to ...
0
votes
1answer
25 views

Find directory names with N occurences of a set of characters

Sorry in advance, I know there are hundreds of posts about find, but I genuinely don't understand what's happening here and haven't been able to find a definitive answer to this question: how to match ...
1
vote
1answer
33 views

Bash script to detect a file modified yesterday and check if its size is above a certain threshold

I'm writing a script to stat all files in a directory, and then find specific files that were created yesterday and tell me if they are larger than a certain size or not. So basically I need this to ...
4
votes
1answer
31 views

Why can't another user access my file when it's a full path?

I have a program that runs a command that is something like this: /home/myuser/bin>> /usr/bin/sudo -u otheruser script.py /home/otheruser/file.txt This works, but now I need this to work when ...
1
vote
1answer
34 views

Creation of symlinks

I am following the tutorial http://www.olindata.com/blog/2013/12/building-ha-cluster-openvz-drbd-heartbeat-and-pacemaker. I got up to here: symlink folders in /var/lib/vz to /etc/vz The /etc/vz has ...
3
votes
4answers
134 views

Touching issue: Creating a filename from 2 variables

I am trying to create a filename from 2 variables. This is the error msg: touch: cannot touch `/root/tinstalls/2--06/06/15': No such file or directory 2--06/06/15 19:54 This is the code: ...
0
votes
1answer
24 views

Copying files containing specific text preserving directory structure

Using the code in this answer, I can easily copy a file containing specific text from one folder to another. With the -r option I can also search inside directories recursively. The result is that ...
1
vote
1answer
31 views

AUFS only changes permissions of the topmost directory

I have two writeable directories branch1 and branch2 tied together with AUFS on Debian 8 to the mount point union. Mount options: br=branch1=rw:branch2=rw branch1 and branch2 each contain a ...
0
votes
3answers
33 views

Merge (combine) directories using rsync

I need to create deploy script to combine directories ├── LIB_COMMON │ ├── file1.php │ ├── file2.php │ ├── file3.php │ └── file4.php ├── LIB_CZ │ ├── file2.php │ ├── file3.php │ ├── ...
6
votes
2answers
175 views

Filtering redundant paths from a list of paths

I have a list of relative paths such as this: dir1 dir2 dir2/dir3 dir2/file1 dir3/file2 dir3/dir4 dir3/dir4/file3 In the example above, the specifier dir2/file1 (for example) is redundant, because ...
5
votes
7answers
298 views

Is there an equivalent way to remember directories on mounted volumes like DOS

A while ago, I moved from a purely Windows environment to using Windows and a Mac. Whilst I am slowly getting used to my Mac and loving it, there are a few things that frustrate me. One of them is ...
6
votes
3answers
1k views

How to go back n levels of directories from the command line?

For example, I do the following cds in succession- cd /tmp cd /home/admin cd /root/ cd /some_other/directory Now I am in /some_other/directory. Now, is there anyway to go back to /tmp, the ...
4
votes
3answers
79 views

Find largest files from each date in a directory

I have a directory similar to the following: -rw-r--r-- 1 root root 223K Apr 28 14:25 2015.04.28_14.25 -rw-r--r-- 1 root root 253K Apr 28 14:55 2015.04.28_14.55 -rw-r--r-- 1 root root 276K Apr 28 ...
1
vote
2answers
102 views

How to see if the directory exists?

How can I check if /bin/x86_64/bin/ls is a directory in a bash shell script Here is what I tried: #!/bin/bash if [ $# -eq 2 ]; then if [[ "$1" = /* ]] then cd ./bin/x86_64/bin/ls ...
5
votes
6answers
108 views

How to find out whether two directories point to the same location

Do the following paths point to the same disk location? /home/username /app/home/username
2
votes
2answers
39 views

Copy certain files from specified subdirectories into a separate subdirectory

I want to copy all .fastq files from every subdirectory that ends in '_CSF' into another already created subdirectory, dir1_CSF. I understand how to copy certain files but not from certain ...
2
votes
0answers
293 views

xdg user dirs: not relocating although set?

I relocated my home directories using XDG user dirs as mentioned here: how to make gnome use my home folder as Desktop folder? However, this does not work for me so far. I have set the Downloads ...
1
vote
2answers
38 views

User cannot see directory permissions

I'm working in Ubuntu 3.13. The permissions on a drive are such that the owner can see directories and files with these permissions: drwxrwxr-x 2 michael atlas 4096 Feb 15 12:34 temp2 ...
4
votes
3answers
9k views

using root to mkdir in another users home directory

having a bit of a difficult time trying to create a folder under another user's /home/devuser1/pubic_html folder. I'm trying to avoid using sudo and looking for an alternative. The permissions on the ...
2
votes
2answers
42 views

Selecting a random sample from a directory tree

I've got a directory that contains directories that contain directories that contain files. I'd like to select two files at random from each leaf directory. I found this question about selecting ...
1
vote
1answer
1k views

Trouble installing lxml with custom install location for libxml2/libxslt

I am attempting to install a python module called lxml to my account on a supercomputer running RHEL. I do NOT have root access or super user status. lxml requires the dev/devel versions of libxml2 ...
41
votes
6answers
28k views

How to XZ a directory with TAR using maximum compression?

So I need to compress a directory with max compression. How can I do it with xz? I mean I will need tar too because I can't compress a directory with only xz. Is there a oneliner to produce e.g. ...
150
votes
3answers
62k views

How do directory permissions in Linux work?

In my CMS, I noticed that directories need the executable bit (+x) set for the user to open them. Why is the execute permission required to read a directory, and how do directory permissions in Linux ...
0
votes
1answer
42 views

Hyphen/Dash “-” Symbol's use in Linux bash /dir + GRUB booting for newbs

I am attempting to complete this GitHub tutorial on creating a custom GRUB loader for a stubborn Asus Win8.1 laptop on which I am hoping to install Ubuntu: ...
-2
votes
1answer
43 views

Move folder from root of Hard Disk to Current Directory [closed]

I'm trying to figure out how to move a folder that sits in the root of my disk (what do you call that, home?) to a subdirectory. I am not cd'd to the root (again not sure of the terminology). When I ...
17
votes
9answers
80k views

How to remove all the files in a directory?

I am trying to remove all files and subdirectories in a directory. I used rm -r to remove all files, but I want to remove all files and subdirectories, excluding the top directory itself. For ...
4
votes
3answers
120 views

What is the difference between home$ and ~$?

I'm learning Linux, and I'm a little confused right now. In the below screenshot, I was not able to understand the third shortcut of Table 2-1. It says that cd ~user_name will change the working ...
24
votes
5answers
16k views

Converting relative path to absolute path

Is there a *nix command to get absolute(and canonicalized) path from relative path(with current path) or symbolic link?
24
votes
3answers
89k views

“Input/output error” when accessing a directory

I want to list and remove the content of a directory on a removable hard drive. But I have experienced "Input/output error": $ rm pic -R rm: cannot remove `pic/60.jpg': Input/output error rm: cannot ...
-1
votes
3answers
51 views

How to access dot directory [closed]

I’ve been googling on how to access dot directory in unix like system, but everybody is just talking about dot directories for this and that reason. I haven’t found anything on how to get to directory ...
2
votes
3answers
38 views

tar compresses folder, but creates nested structure

I have the following folders on a linux machine ./myFolder ./tmp ./packages ./zips compress.sh I run tar -czf ./zips/someFile.tar.gz ./tmp/someFolder from compress.sh. The folder is ...
7
votes
2answers
132 views

Keeping history per working directory (cf. per shell session)

Is there a way to make a modern shell's history feature be scoped to a path? My working contexts are split up as paths on the file system, and the pattern of shell activity, such as repeatedly issued ...
1
vote
4answers
193 views

Is it possible to execute a binary without specifying the full path or the preceding './'?

Outside of a shell, such as running some other process, what does the term current directory mean, and is it possible to execute a binary without specifying the full path or the preceding './', ...
1
vote
2answers
3k views

How to find certain files and move them to a new directory in the same command?

So I was looking around and all I have found is how to do this only if the directory is already made, which is this: find source -name '*.z' -exec cp {} destination \; But how can I make a new ...
1
vote
1answer
22 views

Strangeness with Symlinks and Relative Paths

Could someone please explain this to me? I'm having trouble understanding how this is set up and why it behaves the way it does. I wanted to see where zsh is actually installed on a machine that I ...
1
vote
1answer
88 views

Server Authorization directory incorrect ownership during linux mint installation

When installing linux mint 17.1 from a bootable usb onto a hard drive I get the following message: 'Server Authorization directory (daemon/servAuthDir) is set to /var/lib/mdm but is not owned by ...
16
votes
5answers
18k views

How to recursively find the amount stored in directory?

I know you are able to see the byte size of a file when you do a long listing with ll or ls -l. But I want to know how much storage is in a directory including the files within that directory and the ...
6
votes
5answers
268 views

How to execute a bash command in all possible subdirectories?

Let's say my main directory is /home/test Under it i have lots of subdirectories and under subdirectories still a lots of them and so on. Example: /home/test /home/test/subdir1 ...
2
votes
4answers
1k views

Find directories that do not contain subdirectories

I'm writing script is ksh. Need to find all directory names directly under the current directory which contain only files, not subdirectories. I know that I could use ls -alR and recursively parse ...
9
votes
3answers
2k views

find with -execdir

I run a find with -execdir both I don't get the results I was expecting. SSCCE below: mkdir -p a/b/c find . -type d -execdir touch foo \; $ tree a a ├── b │   ├── c │   └── foo └── foo Directory c ...
2
votes
4answers
100 views

Why . /home/Desktop is incorrect and ./Desktop is correct?

I'm learning about Linux, started yesterday. I have a question which I couldn't answer from my book or Google. What is the difference between ./ and / in the shell? I'm asking this because when I ...
4
votes
5answers
106 views

command which works like ~ (tilde) symbol to represent some directory

cd ~/scripts. This will go into scripts directory in my home. Similar to this, I want some "alias" kind of setting, which will allow me to enter some other directory so that, cd xxx/mywork -> will ...
4
votes
2answers
96 views

Why does '/' have the inode 2?

On many *nix systems like OS X and Ubuntu, We can see the inode of root directory is 2. Then what is the inode 1 used for?
1
vote
1answer
80 views

How to list all leaf files under a directory in reverse time order?

Given a directory, how can we list all its leaf files in time reverse order? ls -Rltr ist the content of a subdirectory in time reverse order, but groups files by subdirectory, which break the ...
3
votes
2answers
85 views

Unzip into directory, independent if directory is contained in ZIP

Let's assume I've a ZIP file whichs content may look like # file: with_out_dir.zip file1.txt file2.cpp file3.js some_sub_dir/ - file_in_subdir.txt file4.xml but it may also look like this # file: ...
7
votes
7answers
9k views

What's the best way to count the number of files in a directory?

If parsing the output of ls is dangerous because it can break on some funky characters (spaces, \n, ... ), what's the best way to know the number of files in a directory? I usualy rely on find to ...