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

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1answer
263 views

Weird chmod parameter - “!$”

I found on an article a line that was saying: Now execute -> sudo chmod 700 !$ What does !$ in that case?
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1answer
1k views

allowing others access to specified subdirectories only

I have some folders with pictures and videos that I would like my other family members be able to view. I have added these folders to the family group, like this: chgrp -R family shared_pictures/ ...
0
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1answer
938 views

No permission for ls drwx--x--x

Is there any way to see a tree of directories with a chmod of drwx--x--x ? I know I can manually check by bash script with if [ -d dirname ]. However it is not the solution I am looking for. Cheers!
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7answers
27k views

Using Cygwin in Windows 8, chmod 600 does not work as expected?

I'm trying to change the the permissions to my key file key.pem in Cygwin 1.7.11. It has the permissions flags: -rw-rw---- chmod -c 600 key.pem Reports: mode of 'key.pem' changed from 0660 ...
0
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1answer
175 views

linux chmod causing crash

I needed to give write permission to file representing GPIO pins,out of curiosity i taught changing permissions of all files/folders,by mistake instead of doing chmod 755 * in the root I did chmod ...
0
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1answer
944 views

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 ...
6
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3answers
14k views

Creating files and directories with a certain owner (user/group) while sudoing

I need to wget something (results in a compressed file in cwd), then I have to extract it, then do some copy/move/modification stuff and perhaps finally execute an script (from the downloaded ...
0
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1answer
734 views

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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vote
1answer
516 views

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 ...
0
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2answers
4k views

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 ...
0
votes
1answer
3k views

Group permissions for apache

I've run into a problem with Joomla. . . it cant create new folders through the Admin UI. It's a standard permissions error. I've been told to chmod all of the folders in the site to 777. Is ...
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1answer
73 views

Are rights 7110 equivalent to --S--S--s?

Are rights 7110 equivalent to --S--S--s? I mean the rights for Unix' chmod command.
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5answers
7k views

Fixing/Correcting OS X home folder file permissions

Long story short, I managed to muck up the file permissions within my home directory in OS X (Lion). While I'm familiar enough with linux file permissions and more than comfortable changing them, I ...
3
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2answers
685 views

I accidentally chmodded the file system root - how can I revert this?

I am using Ubuntu 11.04. I mistyped and wrote sudo chmod 444 / instead of writing /home. Everything went blank and icons started disappearing, and now when I try to run Ubuntu, it hangs on the ...
0
votes
1answer
595 views

Server error 500 due to file permission

I just installed apache/php5 on ubuntu.When trying to access folders in localhost (via the browser) i got a permission denied page.I tryed to chmod for the files to 755 -R and now i got a 500 ...
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4answers
23k views

How to chmod and chown hidden files in Linux?

How do I recursively execute chmod or chown for hidden files? sudo chmod -R 775 * does not work on hidden files. The same thing goes for sudo chown -R user:group.
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1answer
204 views

How do I give an admin user full rights to all home folders?

What is a good permission scheme for this scenario? user administrator (from administrator group) has full access (read/write/execute) to /home folder any other user (from users group, example: ...
3
votes
3answers
8k views

Git pulling without root access

On a Ubuntu Server 10.10 box, I seem to require root access to use git pull (in my /var/www directory). error: cannot open .git/FETCH_HEAD: Permission denied. I have tried chmodding 0777 /var/www and ...
2
votes
1answer
481 views

How can I mirror a Linux directory and back up all metadata?

I need to backup my home folder (and a few other folders) on an organizational Linux NFS system where my account will be expiring soon, onto a personal hard drive (which is not using a Linux ...
2
votes
1answer
201 views

Always create files/folders but only write to those the user owns

I need 2 Linux users to share a folder. Within this folder, users should always be able to create files and sub-folders and write into any sub-folder (whether they own it or not). However, they should ...
2
votes
1answer
817 views

What is the equivalent of umask in Finder?

It is not entirely a problem with Finder. It happens system-wise. Whenever I create a file in osx, the permission is always set to owner read/write and the rest read only -rw-r--r-- 1 me mygroup ...
2
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0answers
146 views

Windows equivalent of the Linux command “chmod”? [duplicate]

Possible Duplicate: Program to change file permissions in windows What can I use to set/change permissions on a Windows folder than not the Windows-based solution? There is an equivalent ...
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2answers
1k views

chmod on /System/Library/ in Mac Snow Leopard - Now Cannot Open Terminal

I was trying to run a command to fix a different issue, but when I cut and pasted the string there was a space in it and this is what was run: sudo chmod 000 /System/Library/ Now when I try to open ...
2
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3answers
658 views

In GNU/Linux, how to restrict deletion of files and directories owned by a user to a super user only?

In GNU/Linux, how can directories be set such that the owner can only add/read files/directories to/from them but only a super user can do any deletion in that structure? Consider this scenario: You ...
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4answers
16k views

Ubuntu: default access mode (permissions) for users home dir (/home/user)

What is a default access mode (e.g. 0755) for users home dirs in Ubuntu (e.g. what is output of ls -ld /home/*)? In other major linux distribs (Debian, RedHat, Gentoo, Arch)? How can I change this ...
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1answer
181 views

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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5answers
18k views

sudo chmod -R 777 /

sudo chmod -R 777 / I did this. It was a mistake. Is there any way to undo it? Basically it's messed up more things than I can list. I don't have time-machine enabled on my mac.
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4answers
4k views

File still unwriteable in /var/www/html after the chmod command

I've got some trouble while trying to install some applications on my linux system. It is said that the files in my /var/www/html/xxx directory, where I put them, is not writeable. The command chmod ...
0
votes
1answer
549 views

CentOS chmod overiding set-group-ID?

I'm used to setting up SGID on a directory chmod -R g+s example and then chmdo -R 750 example And have the directory and all sub-directories preserve the set-group-ID. On CentOS SGID gets ...
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5answers
55k views

What is the meaning of “chmod 666”?

I am using Linux. What is the meaning of chmod 666?
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2answers
5k views

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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2answers
80 views

How to do an ls as if you were in the group 'other'?

In a linux system, I've done a chmod o+r -R mydir/ and I want to check that users in the 'o' group are able to read the contents of mydir. How can I do an 'ls mydir' as if I were a user in the other ...
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0answers
437 views

chmod / chown hfs+ Volume

I have just saved some data from a crashed PC to my external HD, which is a HFS+ Volume using Ubuntu live (regular copy no dd). Now I am lost: I don't have any privileges in the Folder i copied on my ...
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1answer
38k views

Setting chmod 777 on folder using Mac Terminal

I am trying to set the upload permissions on a local folder in my test website. I'm using Terminal on a Mac and the following command: chmod 777 thumbs but I get the following error chmod: thumbs: ...
0
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2answers
1k views

Allowing multiple users to create directories over SFTP so the new directories keep the same permissions

I want to make a webserver with multiple users allowed to login through SFTP to a specific folder, www. Multiple users are added, lets say user1 and user2, and all of them belonging to the www-data ...
0
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2answers
1k views

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 ...
2
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1answer
112 views

UNIX: Just been hacked.. any steps to securing files and directories?

I used command to delete all files modified within last day. But is there a command that can go through all PHP files and all directories and modify them back to standard permissions that's safe for ...
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0answers
346 views

cancel last chmod?

Today is a great day for me - anyone can suggest other restore method than from tape with regard to my last glorious command sudo chmod -R o=rw / Btw I am on HFS+
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1answer
517 views

a graphic utility in windows to change folder/file permissions like chmod in linux

i want to make a folder available for upload to users. i have to make this folder as 777 file permissions Is there any graphic based software to accomplish this task ?
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1answer
4k views

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 ...
2
votes
1answer
1k views

chmod does not change file permissions

I am trying to create an executable "Hello World" ruby file and I copied an existing, working executable "Hello World" ruby file and renamed it, but the new file does not have any executable ...
0
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2answers
647 views

OS X smbfs Mount Shows Incorrect Permission, Won't Take chmod

I'm doing development on OS X while my actual code lives on a remote CentOS box that I have mounted as a local share (smbfs). Some of my files are not marked as writable and need to be toggled when I ...
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vote
1answer
4k views

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 ...
0
votes
1answer
27 views

Homedir inside homedir restricted access

On my VPS i've installed debian, apache+php. I have 2 users: foo and bar. Apache is configured to execute php files from /home/foo/htdocs. I created dir: /home/foo/htdocs/bar/ and made it home ...
0
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2answers
267 views

Chmod, Groups, and Users

So I've tried looking this up but I've not found similar examples (please feel free to refer to them if your Google skills are better than mine). What I'm trying to do is as follows: I am hosting a ...
4
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1answer
453 views

Can I, as a user, change the default chmod settings for my account?

I work in a shared computing environment and the default setting is r-x for group and others; it's upto the users to change this. I can chmod and change the permissions for all the files. However any ...
3
votes
1answer
11k views

Chmod 755 and 751

Doing chomod 755 on a directory gives me drwxr-xr-x. Should it not give me drwxr-xr-xr since 5 is read,execute? And Doing chmod 751 on a directory give me drwxr-x--x. Should that not give me ...
7
votes
3answers
9k views

How to set default permissions for files moved or copied to a directory?

My question is similar to How to set the default file permissions on ALL newly created files in linux - but differs in important ways: I want all files created in (or copied to or moved to) a certain ...
3
votes
1answer
2k views

Permanently changing permission of FireWire device

I just setup a FireWire audio interface. Everything works fine, except for I need rw-rw-rw- permissions on /dev/fw0. I can always sudo chmod 666 /dev/fw0 just before setting the thing up, but then it ...
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0answers
1k views

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 ...