A file system structure in which to store computer files.

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2
votes
1answer
17 views

Directory traversal cache eviction despite having plenty of memory?

I have a huge Mercurial repository (take a guess how many directories it has -- it's gonna be more than you guessed). The time taken to do basic repository operations is heavily dependent on whether ...
2
votes
1answer
256 views

How to do ls with a wildcard and see the directory name

I have a directory called selenium_IDE if I do ls sel* I get to see directories that are in it, e.g. $ ls sel* HAPPY HAPPY_PLUS_OPTIONS SAD SAD_PLUS_OPTIONS but ...
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 ...
2
votes
3answers
74 views

Bulk remove a large directory on a ZFS without traversing it recursively

I want to remove a directory that has large amounts of data on it. This is my backup array, which is a ZFS filesystem, linear span, single pool. The data is in this pool called san, mounted on /san ...
45
votes
6answers
12k views

The result of ls * , ls ** and ls ***

I know using the command ls will list all the directories. But what does the ls * command do ? I used it and it just lists the directories. Is the star in front of ls means how deep it can list the ...
10
votes
4answers
3k views

How to run a command when a directory's contents are updated?

There is a directory A whose contents are changed frequently by other people. I have made a personal directory B where I keep all the files that have ever been in A. Currently I just occasionally ...
0
votes
0answers
12 views

What permissions apply if specific user's permission on file or directory differ from user's group to which this user belong to in Linux? [duplicate]

Case 1: User has "rwx" permissions to certain file or directory. But has no permissions "---" in group it belongs to. Question: who wins - Does user have "rwx" or "---", effectively (not what's ...
0
votes
5answers
88 views

List only the count of all files/directories for the directory tree of present directory

I want to list the number of directories under each subdirectory tree of the present directory. As there are too many directories, I can't go into individual directory and check. Something like the ...
1
vote
2answers
26 views

Find and move directory to a new directory based on name [duplicate]

I would like to move all the folders contained in the folder "/example" named e.g. "*_jony" to a new directory call "/jony". I have try several way without success! It would be great to have some ...
2
votes
1answer
37 views

Output file generated by tar

tar can be used to gather a whole directory into a single file. I tried with the sample directory sampledir containing just some text files, with no subdirectories. Originally the directory occupies ...
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 ...
39
votes
10answers
63k views

How do I loop through only directories in bash?

I have a folder with some directories and some files (some are hidden, beginning with dot). for d in *; do echo $d done will loop through all files, but I want to loop only through directories. ...
1
vote
1answer
19 views

What happens to my files if I scp-ed to non existing directory

Here's what I did: copied some files from server to my local computer scp root@remotemachine:/var/log/nginx/* /home/me/logs deleted the files on the server The next moment I realized, that I ...
0
votes
1answer
44 views

usr/bin appears empty

I'm trying to make a program (Thunderbird) run at startup, but when I go to usr/bin it seems empty. However, if I run $ which Thunderbird in terminal, it tells me /usr/bin/thunderbird. The usr/bin ...
4
votes
2answers
45 views

Can I store and work with a directory in compressed form?

I have to work with many large sized directories which are shipped around in the form of tarballs. However, in order to really do any operations these tarballs have to be untarred into directories and ...
32
votes
8answers
10k views

How to delete this undeletable directory?

I untarred a corrupt tar file, and managed to end up with some directory that I can not delete, If I try to delete it, it seems like it can not be found, but ls shows it's present, both with bash and ...
1
vote
1answer
22 views

How to change default directory programs get installed

I have Debian wheezy chrooted in my Android. However all its directory is in my internal memory. So, if I apt-get install something it gets installed in /data/data/.../debian/usr/local/bin directory. ...
1
vote
3answers
51 views

script for copying directories with particular increment

I have directories which are named as 0.1, 0.15,0.2, 0.25, 0.3,0.35 and so on. Now I want to copy directories at particular increments say of 0.1 together to a separate directory. Say directories ...
16
votes
3answers
958 views

Simple way to see the content of directories in Linux/UNIX file systems

In the past, I learned that in Linux/UNIX file systems, directories are just files, which contain the filenames and inode numbers of the files inside the directory. Is there a simple way to see the ...
0
votes
2answers
27 views

update-alternatives returns error about Java directory not available

I've been trying this tutorial: How To Manually Install Oracle Java on a Debian to install Java on Debian 8, but I'm getting the following error : update-alternatives: error: alternative path ...
0
votes
4answers
59 views

Copying Only Directories With Files

I am trying to copy files and the directory it is in to another location. I can find the path like this: find ~/dim_import/* -type f ! -name xdir | cut -d '/' -f 5-10 which outputs ...
1
vote
1answer
60 views

Listing directories and understanding ls

On ls man page, I saw this -d, --directory list directory entries instead of contents, and do not dereference symbolic links on my current folder: drwxr-xr-x 2 oracle oinstall 4.0K Jul ...
0
votes
4answers
82 views

given a file, find where within a subdirectory it was copied to

Given a file that I know has been copied into a given directory, I want to find the exact path where the file copy now resides. It is guaranteed the file has not been edited and will look exactly like ...
2
votes
1answer
39 views

What is a non-contiguous directory?

When I run fsck, I can see the following line: 182 non-contiguous directories (0.1%) What kind of directories are the non-contiguous ones? Is there a way to make them to be contiguous somehow. How ...
2
votes
0answers
21 views

How do I vmtouch a directory (not the files it contains)?

The vmtouch(8) tool allows locking a file or files in memory. It has recursive mode, but the directories are used just for discovering files and are not locked themselves. How do I lock a directory ...
0
votes
0answers
17 views

New files in a mounted directory are being created with a different user and removing write permission for other users

I am running a python script that outputs files into a mounted directory on a different computer. The script can be run multiple times in a way that overwrites the contents of created files. However, ...
4
votes
2answers
84 views

sudo rm -rf returns “cannot remove directory” on empty directory owned by root

I have a directory on my Debian system. The directory is: root@debian:/3/20150626# stat 00 File: `00' Size: 6 Blocks: 0 IO Block: 4096 directory Device: fe00h/65024d Inode: ...
43
votes
5answers
25k views

Difference between /bin and /usr/bin

I read this up on this website and it doesn't make sense. http://rcsg-gsir.imsb-dsgi.nrc-cnrc.gc.ca/documents/basic/node32.html When UNIX was first written, /bin and /usr/bin physically resided ...
0
votes
1answer
28 views

Command to delete directories whose contents are less than a given size

I'm working in a directory ~/foo which has subdirectories ~/foo/alpha ~/foo/beta ~/foo/epsilon ~/foo/gamma I would like to issue a command that checks the total size under each "level 1" ...
4
votes
1answer
150 views

Making the current directory as if it were where an absolute path starts

I'm wondering if there is an application that makes it so that commands after it operate in an environment that treats the working directory as if it were the top-most one, and there is absolutely no ...
7
votes
3answers
9k views

How do I change folder timestamps recursively to the newest file?

I was wondering if anyone knows how to change the timestamps of folders recursively based on the latest timestamp found of the files in that folder. So for example: ...
0
votes
2answers
32 views

Why is there a minor number in /dev for directories such as pts?

This is a part of /dev in CentOS 6.6. What is the meaning of the minor number for directories like ., .. , bsg, block and ... ? drwxr-xr-x. 18 root root 3800 Jul 3 06:00 . dr-xr-xr-x. 21 ...
0
votes
1answer
32 views

Copying directories to directories with different names

How can I copy a number of directories: directory_01 directory_02 directory_03 to different directories tmp_directory_01 tmp_directory_02 tmp_directory_03 where each tmp_directory_* directory ...
8
votes
3answers
3k views

How to switch to the directory listing from file view in vim?

I have opened a dir vim some/dir. I can navigate within the tree, yet once I opened a file I wonder, how do I close the file view in order to go back to the directory listing to navigate to another ...
0
votes
2answers
42 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?
23
votes
2answers
4k 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 ...
48
votes
4answers
47k 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
36 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
30 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
48 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
32 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
141 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
42 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
38 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
42 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
177 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
320 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
93 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 ...