chmod (short for change mode) is a Linux / Unix command used to change permissions of files and directories.

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Accidentally removed read permissions from folder. How do I get back in?

I wished to have a given folder and file and all descendants, write permissions. I wished that ALL files and folders could be recursively granted he following permissions: 777 So I tried: chmod -r ...
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CHMOD Folder and Files recursively but with different values

Is there a way to recursively change the access rights of a specific folder to 755 and files to 644 Without using the find function and having sub-directories in that folder (don't want to change ...
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How do I find and modify permissions on one filetype in an Ubuntu terminal? [duplicate]

Possible Duplicate: How to chmod 755 all directories but no file (recursively) ? I've just upgraded from Ubuntu 8.04 to 9.04, added an extra hdd for /home and used an iPod (FAT32, sadly) to ...
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chmod without modding other user perms

I want to chmod a file but I want to do it so it doesn't effect the other "user"/"groups" e.g. giving the root 0 before 741 chmod 0** [filename] after 041 or give the group a 7 before 741 chmod ...
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sudo chmod o+x but still can't run as regular user

I thought that doing sudo chmod a+x /root/file.to.execute or even sudo chmod 777 /root/file.to.execute should allow me—as a user—to run the program in question. But after doing this I still can’t run ...
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list out owned file/directories and change its permissions

Can anyone please tell how can I change files/directories owned by me only. below is the command that list out files/directories owned by me find . -user <username>
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Restrict user access to only read from /proc

As a method for setting up some bare-bones systems monitoring, I have a script set up to SSH in, and run some basic shell commands, reading some files in /proc. I would like to create a specific user ...
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folder permissions on FreeBSD

I have a drive on my FreeNas (8.2) box which transmission copies files automatically when it is finished downloading them. It works fine as long as the download is a single file, if it's folder with ...
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Serving NTFS partition on linux through ftp

I'm using the default configuration for proftpd on Linux Mint with only the following directive changed: # Use this to jail all users in their homes DefaultRoot ~ I created a user userftp ...
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chmod 777 on local server not working

i have a ubuntu 10.10 box on my local network and sshing with my mac what i did is chmod 777 the www directory recursively so that i can use my fav ide to develop on it. i did this sudo chmod 777 ...
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Making files created by a cronjob readable by apache

A software package I installed on my Fedora box has an associated cronjob. This cronjob creates html files that need to be readable by apache. At the moment, the files are not readable because they ...
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chmod doesn't seem to work on Cygwin as expected

I tried creating a file myFile and then typing chmod 000 myFile just to see if I got access denied trying to cat it or open it with vi, but no, I could still do whatever I wanted with it. So what is ...
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Can't change permission for bash.bashrc file in Ubuntu

I'm trying to change the permission for my .bashrc file in Ubuntu but don't seem to have permission. I've tried following the example here: Open up publicity.html for reading and writing by anyone. ...
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chown all files of removed user (symlinks)

I migrated my OSX System from one machine to another. Everything works fine, but when I check the files under /usr/local, they now belong to a user 502, not my newly created user (which has the ...
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Can't change folder permissions on FAT32 partition-Mac OSX

In have an external hard drive which has two partitions: Mac OSX Extended Journaled MS-DOS FAT Basically if I select get info for any file/folder on the FAT partition, there is no option to change ...
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chmod symbolic notation: unexpected “=” operation behavior

I am reading The Linux Command Line by William Shotts and I read somewhere in the book a part regarding permissions which says The operation may be a “+” indicating that a permission is to be added, a ...
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Recursive write permissions on files and folders: Prestashop installation

I am trying to install Prestashop in my Linux machine. But it says Recursive write permissions on files and folders: ~/config/ ~/cache/ ~/log/ ~/img/ ~/mails/ ~/modules/ ~/themes/default/lang/ ...
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how to join paths to {} inside an -exec option of a find command?

//// SOLVED //// I'm trying to copy several files scattered in a directory structure to another one where such files already exist but without write permission allowed. So I used a find command with ...
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Debian: Removing read permissions to a single user

i'm trying to set permissions with chmod in Debian Squeeze. Its there any way to remove read permission to a single specified user? chmod u-r file That seems to deny permissions from the user ...
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Copy permissions from owner

How can I copy the all file permissions of a folder from owner to users? Imagine that I have: -rw-r----- 1 124982 5000 201 2012-06-24 06:45 documentation.html I want to change to: -rw-r--r-- ...
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How to give user read/write access to folders?

I'm running a certain script that is using a non-root user to do the following... mkdir: cannot create directory `/srv/www/example.com/releases' *** [err :: 12.23.45.789] : Permission denied How ...
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Why doesn't chmod work in this case?

I'm trying to set a small webserver for personal use. I have a fodler /srv/http/cgi-bin/ which I want to edit as user and not superuser. I tried to chmod it as mentioned here. Here is the result: ...
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Why am I unable to change read permissions with chmod?

If I type this in the terminal chmod -R g+r "/media/truecrypt1/My folder/"* and then check the result wiht ls -l I still get -rwx------ 1 user user 127860 2012-03-16 15:45 sample.pdf What's ...
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vsftpd chmod upload permissions

I have vsftpd 2.3.2-3. After user uploaded a file it has -rw-------(0600) permissions. Of course user can change permissions manually to anything he likes. But how to set for example 0700 by ...
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how to mount as read-write filesystem and not read-only

So, I'm trying to install gentoo in a virtual machine. I ran into this problem and began researching what the answer might be. The file system is read only. I can't mount it as read-write. I'd rather ...
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Automatically chmod a+r on files copied into my (OSX FUSE / sshfs mounted) VFS

I have a virtual Linux machine running LAMP. On my MacBook I've mapped ~/remoteFS to this machine's ~/ using OSX FUSE & sshfs. i.e. First I install OSX FUSE. then I do: sshfs ...
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Making file's mode 000 on cygwin - does not work

Seems cygwin is unable to cancel a file readability mode, viz.: $ echo "123" > ttt $ cat ttt 123 $ ls -ls ttt 1 -rw-r--r-- 1 Administrator None 4 Mar 22 10:19 ttt $ chmod 000 ttt $ ls -ls ttt ...
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chmod throws missing operand on 764, OK on 664

Having set everything in my project to 777 (rwxrwxrwx) for debugging purposes, I wanted to dial down the openness and set the directories (not the files) in the root folder to 664 (rw-rw-r--). To do ...
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Chmod doesn't work for all files

I'm trying to chmod my /var/www folder in Ubuntu, with the command: chmod -R 775 /var/www, and it works for the existing files. However, every time I add a new file, I have to run the command again, ...
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Is there anyway you can restrict users from executing a command with another name?

I'm not asking an obvious question here. I would like to elucidate with an example. A user 'bob' is always executing 'chmod 777 /home/bob/impfiles' so that user 'alice' could make changes to the ...
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Linux permissions, mv is denied

I have the following structure (property is in the form user:group, user A belongs to both groups A and B, user B is just in the B group) : + dir1 rwxrwxr-x A:A + dir2 ...
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Permission denied altough chmod 777

I am running following commands: $ ls total 12K drwxrwxrwx 3 szr szr 2.0K Nov 14 12:08 . drwxrwxrwx 12 szr szr 2.0K Nov 14 11:23 .. -rwxrwxrwx 1 szr szr 1.6K Nov 14 12:08 config.xml -rwxrwxrwx 1 ...
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Unable to change access permissions on external ntfs Harddrive

I am fairly new with Linux when it comes to mounting hard drives, so hopefully this is a simple question. I recently purchased a 3TB hard drive that would have read/write access with both Mac and ...
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Why in Midnight Commander the chmod has 5 digits and what for?

In the file menu if I go to chmod, it returnes the chmod value for the folder / file. I understand the last 3 digits, the second is setuid/setgid/sticky bit (have read the docs on it but its use is ...
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Changing access rights of the specific folder for specifeid user

what is the exact analog of the following two commands in linux # chmod -R +a "www-data allow read,delete,write,append,file_inherit,directory_inherit" /path/to/moodledata $ sudo chmod -R ...
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Previous version of CGAL with Macports: “Error: Unable to execute port: Could not open file”

I'm trying to install a previous port of cgal with macports. I'm following this How-to: http://trac.macports.org/wiki/howto/InstallingOlderPort I already read this answer but it didn't solve for me. ...
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On Linux allow a file to be read/write but not deleted

Is there a way in Linux on a ext4 file system that I can make a file readable and writeable but not deletable? The directory that the file resides in still needs to be writeable by the owner of the ...
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Permanently changing permission of device

My question is related to a Saving permission changes for device question except it is for Ubuntu 10.10: Maverick. I just setup a FireWire audio interface. Everything works fine, except for I need ...
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chmod: removing “x” permission recursively totally borks the permissions

I have a folder with some contents (three files and a folder) that look like this: -rwxr-xr-x 1 max max 14504 2011-05-31 16:55 main.css -rwxr-xr-x 1 max max 2504 2011-05-31 16:55 reset.css ...
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Making a directory on unix readable,writeable,executable by me and no one else?

What is the proper way to make a directory that I created and all of its contents readable/writeable/executable only by me, and no one else? Is this sufficient: chmod g-rx mydir/ this should make ...
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chmod problem in ubuntu

I want to change user permissions of lots of files but I can not! I use this code: administrator@unknown:~$ sudo chmod 700 * -R or administrator@unknown:~$ sudo chmod 700 myfile -R I want to ...
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How to read ls -l permissions

I've been trying to understand Linux permissions. I know that I could download one file via CyberDuck from a remote Linux machine and the other one I was not able to. Here is the output of ls -l: ...
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How to make a local user be able to edit files created by _www user and group on OS X?

I'm using OS X Snow Leopard. I have a web application hosted locally in the web server folder with _www user and _www group. I'm unable to edit those files with my local user, who is part of the ...
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Make my custom program root

I have a custom program in C, that iterates trough a directory and writes a log file with the contents in my home. However, it cannot acces /var/log/ /etc/ and other root folders. How to change that? ...
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Change default permissions for new files and folders

Every time I create a new file or folder in Linux, it is accessible for r/w by myself, not the group. I want to change my system setting such that every new file or folder will be automatically ...
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Add read permissions to all the directories of a path

I want to add (not modify other file permissions) for all the directories in the path written bellow. Something like chmod -R xx4 /home/mDB/admin/KNUCKLES/dbs/ The path /home/mDB/admin/KNUCKLES/dbs/ ...
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What will * in bash do?

My question is quite simple, if I am to enter these two line in OS X Terminal, what should happen? xupengjunde-iMac:Shane Shane$ cd /Volumes/External xupengjunde-iMac:External Shane$ sudo chmod -RN * ...
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Unable to edit files in _www group on OS X

I am using my MacBook as a local dev environment. In order to make the files publishable I had to give my web folder user and group of _www:_www using chown. I'm using another account to log into my ...
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after trying to modify permissions I can no longer access localhost

I was getting sick of having to sudo every command in my web development folder (/var/www) so I tried to change the permissions to 777. The function seemingly worked (that is, gave no error), although ...
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Shell Command that Combines chmod and chgrp

Is there a combined variant for chmod and chgrp that sets both user and groups permissions in one single system call for each file? This is useful for increasing performance on slow data layers such ...