Tagged Questions

A file system structure in which to store computer files.

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9
votes
2answers
363 views

How to spoof/mock a directory used by a binary application as another directory?

Suppose there's a binary application that always writes its data to /tmp. How could I spoof/mock /tmp for the sake of this binary as some other directory (e.g. home/tmp)? Let's assume I have no ...
3
votes
3answers
209 views

Return to directory location prior to cd-ing to home directory

As is well known, cd without an argument changes one's current directory to their home directory. I am wondering if there is any way, after using the cd command like this, to return to the directory ...
2
votes
2answers
288 views

inotifywait different action on file or dir

I'm trying to make a inotifywait script take different actions for files vs folders if it sees a close_write flag being raised in the watched directory, but cannot seem to get the checks working. In ...
4
votes
4answers
2k views

Can the /home folder in Linux contain anything else but user folders?

Can the /home folder contain anything else but user folders? I have a folder I want to share between Windows and Arch - can it go in the home folder under a name not belonging to any existing user? ...
2
votes
3answers
390 views

What is the difference between path and directory?

I don't understand the difference between path and directory. Could someone explain to me with examples?
2
votes
0answers
65 views

One way diff between 2 directories

I am looking to perform a diff between 2 directories, both of which contain may files and subdirectories. I am hoping to perform a one-way diff between a source and target directory that will return ...
1
vote
1answer
81 views

lost directory cannot find it with testdisk

I was moving a directory on my parents computer using a teamviewer session. The session responds slow and somehow, when I was moving the directory (location: /sdb/synchronisatie/nel/) something went ...
2
votes
2answers
109 views

setting default permissions with setfacl

I am trying to set default permissions on my directory structure using acl. I would like to have following default permissions for directories and for files respectively: drwx--x--- -rw-r----- but ...
1
vote
1answer
444 views

untar specific directory

tar tvf filename.tar gives me: -rwxrwxrwx 0/0 544795 2010-03-15 12:49 35 WOO WORDPRESS THEMES/bloggingstream.zip -rwxrwxrwx 0/0 1659095 2010-03-15 12:51 35 WOO WORDPRESS ...
4
votes
2answers
430 views

Determine what device a directory is located on

If I do # cd / # ln -s /home test # cd test # mount --bind $PWD /mnt the entry in /proc/mounts is /dev/sda2 /mnt ext4 rw,noatime,data=ordered 0 0 which is the device that is mounted to /home and ...
1
vote
1answer
99 views

On why touch, mv, etc., won't create subdirectories “as needed”

There are many Unix commands that will fail unless some subdirectory already exists, even though it would be a trivial matter for such commands to go ahead and create the missing subdirectory before ...
3
votes
2answers
185 views

Command for creating a directory and navigating into it directly? [duplicate]

Quite often I need to perform this two commands: mkdir abc cd abc I am curious whether there is a simple command (or an alias that I can create and use) to do it in one go, like user@GROUP:~$ mdcd ...
1
vote
2answers
49 views

`ls` fails for directory copied from Win and OSX [closed]

I'm not able to ls on a folder that I have just transferred from win7 to OSX via a FAT32 drive. I don't know how to search for an answer for this issue. I've attempted the following: sudo chmod ...
9
votes
5answers
4k views

Merging folders with mv?

If I move a folder with mv called "folder" to a directory that already contains "folder" will they merge or will it be replaced?
2
votes
1answer
2k views

Delete files/ folders with .nfs files

A lot of time when I delete a folder, it says cannot be deleted because of .nfs files Error - Device or resource busy How can I delete a folder ignoring these errors ( is there any flag in rm ...
0
votes
1answer
119 views

Dropbox on both Windows and Ubuntu 12.04.3 LTS

I have Dropbox installed on both Windows 7 and Ubuntu 12.04.3 LTS and there are two separate folders that are being synchronized so there is some waste of disk space. I would like to have only one ...
1
vote
1answer
465 views

cd to a name-unknown directory in a known path

I am trying to automate the deployment of a webapp under development that is frequently updated. The webapp comes in the form of a zip file with unknown name, and this directory structure: ...
40
votes
7answers
3k views

cd .. on root folder

Why cd .., typed at root folder, does not warn or fails with an error? I would expect: /$ cd .. -bash: cd: ..: No such file or directory Instead, I'm left at /. Of course, this is since .. does ...
-1
votes
2answers
376 views

FTP clients only showing 9998 folders in a directory with many more

How can I increase the limit of files or folder in linux? Right now when I use any ftp software it shows that there are only 9998 folder in that directory. But I ran a simple php script that would ...
3
votes
2answers
422 views

Path syntax rules

I'm writing a library for manipulation Unix path strings. That being the case, I need to understand a few obscure corners of the syntax that most people wouldn't worry about. For example, as best as ...
6
votes
2answers
235 views

How does one create a directory that can't be seen and can only be accessed via its absolute path name?

I'm working on an assignment on adding time support to a standard UNIX system. Part of it, however, involves securing the location of backup files (which we've set to be at the system root by default) ...
3
votes
1answer
77 views

Where does ext4 store directory sizes?

Where does ext4 store directory sizes? Are they stored in the directory inode? For example, when I run du -h, it returns directories' size instantly, so I don't believe it calculates it at that time. ...
7
votes
6answers
1k views

Is it possible to remove folder prefix from a `ls` command

I am in a bash script and I want to get the list of all files (let say all jar files). I execute the command ls -1 lib/*.jar and I get the output: lib/mylib_1.jar lib/mylib_2.jar ... Is there any ...
16
votes
6answers
2k views

Why do I have to cd out of a deleted directory?

On my server I have a directory structure looking something like this: /myproject/code I normally have an ssh connection to the server and 'stand' in that directory: root@machine:/myproject/code# ...
1
vote
2answers
192 views

Create a user that can only connect to a specific directory

I've created a SSH folder for some friends. I've created the users to log in via SSH, but they connect to ~ how can I set to which folder they can connect? I have a directory called /usbdrv/ which ...
2
votes
1answer
256 views

inotifywait not working when folder is deleted and re-created

I am trying to use inotifywait to monitor a folder: inotifywait -m -r /home/oshiro/Desktop/work_folder The command works and if I create files in that folder, all seems to work correctly. While ...
1
vote
1answer
118 views

List files, directories and executables in current directory

I have php shell and I have function that do just that (but it give me error when I call scandir($path) function because of restriction in php), so I need to use my bash shell to do the same. It can ...
0
votes
1answer
116 views

Mount a dropbox directory without installing the dropbox application

This is most likely to be a duplicate question, but I could not find a simple answer for my problem. My situation is as follows: I have multiple accounts on different computing clusters. I want to ...
2
votes
1answer
378 views

Open multiple directories in different tabs in the same window in CentOS

How can I set my CentOS to be able to open multiple directories in different tabs in the same window? I have already enabled the feature to open the folders in the same window, but this is different: ...
1
vote
2answers
102 views

What is ~/default used for? [closed]

When I connect to my server using a the shell provided by Capistrano it executes ~/default before every command. I can't find out if this is Capistrano related or if this file has some generic use ...
3
votes
2answers
494 views

Symlink all subdirectories in a directory to another directory

I'm trying to symlink every directory in a folder to another folder. For example, in the structure below, I need the subfolders symlinked to folder2. - /home/chris/folder1 -- subfolder1 -- subfolder2 ...
1
vote
2answers
141 views

moving files of certain formats from subdirectoris to directories with same folder names

I’ve got a weird situation. I have 100s of folders with flac and mp3 copies of the same tracks. I need to separate the mp3s from the flacs and put them into similarly named directories. for example: ...
5
votes
3answers
252 views

extracting to a directory other than the current directory with pax archiver

I have a strange behaviour with the pax archiver here, had too much troubles with tar and it's absolute path, that's why I gave pax a shot. The below oneliner is used under FreeBSD 9.2 to extract ...
6
votes
1answer
126 views

Expected behavior of `find -depth` if execute permission denied for subdirectory?

I'd like to know if I can rely on the behavior I am seeing when using find with -depth option and user does not have execute permission for a subdirectory. Assume the following directory structure: ...
1
vote
1answer
237 views

cp /etc/DIR_COLORS ~/.dir_colors not responding

I'm using CentOS 6.5 and Putty. My problem is that directory file names are shown in dark blue color which is hard to read. I google searched and found this link; basically it's copying the DIR_COLORS ...
2
votes
4answers
117 views

Wrapper command that runs program in temporary directory and deletes it after execution [duplicate]

I want to write a command that: takes another command as its arguments does a 'cd' to a temporary folder executes the command passed in the arguments removes the temporary folder afterwards ...
1
vote
1answer
43 views

Find which directories each group can access

I need to take the /etc/group file (RHEL) and check what high level subdirectories each group has access to. Here is a made up example: Group 100 - \xxx\xxx\xxx Group 150 - \xx\xxxxx\x Is that ...
1
vote
2answers
284 views

LINUX: How to calculate recursively the size of each sub directory up to root directory?

I have written this script Scrit in Linux. I now need to know the size for each sub directory with the condition -atime +${DAYS} searching down from directory $DIR. The result should be gathered in ...
3
votes
4answers
361 views

Transform a directory into file or a file into directory

I wanted to create a file named test. Accidentally I run mkdir test instead of touch test. Is it possible to convert test directory in a file named test? What about converting a file named test into ...
4
votes
2answers
503 views

Where is a shell script run from?

I have a shell script in /usr/bin. Let's call it hello. It contains this: echo "I am located in $PWD" echo "I am called from this directory: ???" Running hello from /home/Documents I expect the ...
-2
votes
2answers
80 views

List the file permissions of only the current directory [duplicate]

ls -la . will show this in it: insgesamt 1312 drwxrwxr-x 6 ruben rubo77 4096 Feb 23 06:20 . drwxrwxr-x 23 ruben rubo77 4096 Feb 6 21:48 .. ... But it will show the whole content of the ...
5
votes
2answers
5k views

Getting new files to inherit group permissions on Linux

I am having a problem with permissions on a Linux server. I am used to BSD. When a directory is owned by a group the user who owns it isn't in such as www-data, files created in it will be owned by ...
1
vote
3answers
694 views

What makes the files in my home directory appear, when I log in through SSH then run ecryptfs-mount-private?

I'm a bit of a newbie when it comes to using Linux. I've recently installed Ubuntu 12.04 LTS (minimal virtual machine) on a VPS host. I've encrypted the virtual disk and encrypted the home directory ...
4
votes
1answer
247 views

Tab completion of “../” in zsh

One noob question from a new zsh user: In bash, I can use tab-completion to move one directory up and descend down again another path. For example, suppose I'm in $HOME/folder1, and I want to cd to ...
2
votes
2answers
39 views

Specialized access control for directories in RedHat

I have a requirement where I want to change permissions for a directory so that the directory owner (user/group) would be able to create files inside the directory and modify them, but won't be able ...
0
votes
2answers
1k views

How can I concatenate all files in a directory together in one command line operation? [duplicate]

I have 1000 csv files in a directory. I would like to concatenate them all together in order. They are named img_size_1.csv to approx img_size_1000.csv This answer is close but assumes a list file. ...
1
vote
1answer
63 views

Using SUDO to execute a general command inside a non-accessible directory

I want to grep something inside a directory. But the user dont have permissions in the direcotry. Because of some reasons, i am not allowed to change permissions, group or owner. Just want to know i ...
2
votes
4answers
133 views

cd two levels down from root

I'm a web developer (Drupal mainly). When I develop websites I do so within a /workspace folder. So I have folders like this. /workspace/project/ /workspace/project/sites/default/files/ ...
3
votes
1answer
337 views

ls -l --group-directories-first (act on symlinks as well)

ls option --group-directories-first causes directories to be listed on the top, which makes the output of ls nice and clean: ls -l --group-directories-first However, it does not act on symlinks, ...
2
votes
2answers
120 views

set umask (permissions) similarly as setgid on a directory

I know how to use setgid on directories, to enforce that whole directory structure has uniform user:group ownership. Is there a similar way to set the umask for a directory, so that the whole ...