chmod changes the permissions of each given file according to mode, where mode describes the permissions to modify.

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Setting correct permissions

First of all let me say that i am almost new to Linux so please be patient :) I have an Ubuntu 14.0.4 running on my Systems. What i am trying to do is: On my system there are sabnzbd and plex ...
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1answer
272 views

Make all new .sh file executable

One of my script is making new .sh files in /tmp/ folder how can I setup that all new files in /tmp/ folder will get chmod -x automaticaly because my script is failing when trying to run scripts in ...
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5answers
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How do I make an entire directory executable?

I have an entire folder dedicated to python scripts. I'm tired of doing chmod on every new python script that I write. Is there a way to make every file inside my folder executable if it is a python ...
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2answers
1k views

Root directory '/' locked after using chmod

I accidentally used sudo chmod 3 / which gives a execute and write permission to the root directory, while deleting the read permission. How can I recover from this, I cannot even use sudo now.
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0answers
35 views

Revert system fie premissions

I have mistakely changed the permission of the entire etc directory to 777. Now I'm getting frequent errors like ... is world writable! Is there a way to revert back to the default permission? ...
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1answer
45 views

Undo wordpress chmod?

firstly im new to ubuntu and I did something im not sure of. I was trying to chmod wordpress folder because it was having problem not having permission to do anything. (Already installed xampp) ...
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2answers
229 views

Hi i am unable to change the permission of a file using chmod , plz advice

chmod -x filename doesn't work. when I execute command like chmod -r filename chmod -w filename chmod -x filename they run without any error. But the permission of the files doesn't get affected. ...
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2answers
2k views

Linux dropfolder where users can't delete files

I am working on a file server project for school and I am using samba to share the folders. I have been playing around with the folder permissions but I can't seem to figure out how to make a drop ...
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1answer
400 views

Change the permissions of files and directories excluding one directory

I'm trying to change the permissions of files and directories, excluding one directory though. What I've got is: find ! -name test -exec chmod -R 700 {} \; test being the directory that I need ...
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1answer
65 views

unable to change permissions

Using Ubuntu 14.04 LTS, I want a text file not to be executed when opened in nautilus or dash. ls-l shows this line for the regarding file -rwxrwxrwx 1 root root 1310149 Sep 20 10:28 then i run ...
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1answer
179 views

What is the exact syntax for chmod?

I want to give the file OpenRocket-13.11.1.jar executable permission by using chmod. So what has gone wrong with this command: /HomeFolder/Downloads chmod +x OpenRocket-13.11.1.jar It says no ...
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1answer
314 views

sudo chmod 755 /dev/sda7 -R simply returns a new command prompt line?

I am logged into my computer through the guest account, because i am unable to login through the master/admin. account via user interface. (Simply a blank, blue screen appears upon login.) So i'm ...
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2answers
84 views

What happen if the executable permission of chmod is revoked

What to do if I change the executable permission of /bin/chmod? How to recover from that scenario?
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1answer
875 views

Understanding chmod Symbolic Notation and use of Octal

Many new users make mistakes (or have misunderstanding) while applying chmod on files or directories, because of a lack of informative knowledge of: Symbolic notation for ugo and rwx Use of octal ...
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1answer
100 views

Cannot Write to www and update wordpress at same time

I have LAMP installed on my Ubuntu 14.04 server and am using apache as a web server. I am going to be using the web server for Wordpress primarily. The problem I am running into is that I cannot ...
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0answers
940 views

Cannot chown or chmod using sudo anymore

I was trying to make an adjustment to the /etc/sudoers file, and I accidentally corrupted it. I restored it via the grub and using the Ubuntu 14.04 default. But now it seems I can change ownership ...
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2answers
458 views

Can I write a file with only read permission?

I just set a read only permission to a file using chmod 400 filename.txt after that I open the file via vi editor and edit and try to save using :w then is says E45: 'readonly' option is set (add ! to ...
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2answers
2k views

chmod is not working

I am unable to change the privileges of the directory or file which is not in desktop using chmod. while it is working properly for the directory and folders of desktop. am using the command chmod ...
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1answer
2k views

Set permissions for future folders and files

I have some trouble managing permits in a folder and relative sub folders. I am working on ubuntu 14.04. I have a software which periodically creates new folders and files inside of a main folder. ...
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2answers
1k views

How to prevent directory from being deleted by user?

Suppose a directory dir1 is created by sudo on Desktop. sudo mkdir dir1 Then I applied chown and chmod as following: sudo chown root:root dir1 sudo chmod go-rwx dir1 Now dir1 is only accessible ...
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1answer
45 views

Script for changing access rights of multiple files and directories?

I want to create a script that changes the access rights for all files and folders in a specific directory tree. All users should have read and write access for all files and directories. Does anyone ...
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1answer
27 views

Access to different directories

I have recently moved to Ubuntu 12.04 and noticed that in some directories I can't even create a directory or file (e.g:/var/lib). I know about the command chmod, but is it appropriate to use it in ...
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2answers
44 views

How to make a script that will make another script in the same folder executable?

How to make a script that will make another script in the same folder executable? I don't want to worry about path since it will be in the same directory. So it should be something like(i'm trying to ...
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1answer
223 views

Problem with access to mounted drive

I can not make my newly mounted hdd work properly. First and foremost, I can not access it to read and write any file or folder even after changing the privileges to +775 and even +777 (though I can ...
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2answers
633 views

Directory with readable and unreadable files

I am root. I want to make a directory, SuperSensitiveDirectory, private so that only root can even read the files inside it and its sub-directories. There are passwords in these files, and they should ...
2
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1answer
2k views

Give permission to a specific group without owning it

I have created a group named newgroup. But I didn't add my user to this group. Now I want give the write permission to this group for a specific file named sample.txt. I can use chmod if I am the ...
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5answers
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Difference between +x and ./<script> and sh ./<script>

Are there any actual differences between running a script with [sudo] sh ./<script>.run instead of [sudo] chmod +x ./<script>.run [sudo] ./<script>.run
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2answers
142 views

Chmod ubuntu desktop fail

I accidentally did chmod 667 on /home/user/Desktop/ and now it is behaving strangely. How can I reverse the damage I have done?
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1answer
9k views

sudo: unable to stat /etc/sudoers.d/README: No such file or directory

Whenever i use sudo command i get this message: sudo: unable to stat /etc/sudoers.d/README: No such file or directory i ran into this trouble when i was strugling with chmod using which i changed ...
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2answers
610 views

“cannot open file userpref.blend@ for writing: Permission denied” in blender

I'm using blender 2.69, installed via software centre, and when I save my user preference through File -> User Preferences and click on "Save User Settings" there is a message "cannot open file ...
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1answer
951 views

Joomla Files/Folders Permissions in Ubuntu

The recommended way of setting files and folders permissions in the joomla root directory is the following (from the help.ubuntu website) cd /var/www/joomla/ sudo find . -type f -exec chmod 644 {} \; ...
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1answer
3k views

Unable to change permissions for apache file 000-default.conf

I am trying to change the permissions for the apache file /etc/apache2/sites-enabled/000-default.conf when I input the command sudo chmod 755 000-default.conf the file still stays to ...
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2answers
4k views

automatically set sudo chmod 777

is there a way to automatially set sudo chmod 777 for all the files, folder and subfolders in a directory. The sudo chmod 777 should automatically be set when a folder or a file is created in the ...
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0answers
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User has no permissions in sftp

I installed LAMP in my Digital Ocean droplet. I have successfully logged in to SFTP. However, when I try to do anything in my /var/www/html/ folder it says permission denied. It may be worth ...
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1answer
423 views

How can I set different permissions for files and folders separately?

I want to apply 644 permissions only for all files in current directory, and 755 permissions only for subdirectories in current directory with chmod
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1answer
111 views

Repair filesystem permission

I accidentally executed sudo chmod -R 777 / I was actually trying to change a specific folder permission recursively, btw i did stop the command before it changed everything. But now, i can't ...
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1answer
99 views

Write permissions not allowed on my USB key

I can read/write my USB key normally on Windows XP. On Ubuntu 12.04 I can only read it. I tried sudo to chmod with 777 my USB key but Ubuntu does not allow me that. Why this problem happens ? How ...
2
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1answer
2k views

Can't access home folder

While installing Matlab, I mistakenly typed sudo chmod +x ./java in the home folder. And I got i/o error that you are not allowed to access the home folder. Suddenly everything in my home folder ...
23
votes
2answers
48k views

Why don't I have a password for “su”? Problems with “sudo”

I have installed Ubuntu using the GUI, giving myself a password and everything. I do not intricately remember the process. However, what worries me is that I don't know the following password: $ su ...
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2answers
3k views

chmod directories and files in one command?

I have a directory "project" that contains a set of subdirectories and files. I want to give 777 permission to the directories and files from my 666 in the same directory with chmod command in my ...
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1answer
111 views

How to submit a feature request for chmod linux command

Note: I believe this question doesn't fit the SO guidelines for question types, but if you can, please move it to appropriate section of the SE network or please tell me where it would be appropriate ...
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1answer
1k views

Default group permissions for /var folder

I accidentally ran sudo chmod -R g+rw /var instead of sudo chmod -R g+rw /var/www. This means that for every file, the group owner now has explicit read-write access. I have already seen an example ...
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1answer
64 views

Chmod crash version 13.10

I was watching a command line reference tutorial and testing out two commands, CHMOD and CHOWN. I ended up changing my root folder's permissions. What should I do? Version 13.10.
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1answer
369 views

How to let a user execute a script owned by root? Setuid doesn't seem to work anymore

I have some bash scripts that I use with the user 'root' to manage iptable rules. The problem is that I want these things at the same time: The script must be owned by root Permissions must be 700 ...
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2answers
1k views

Can't change permissions on extracted files Ubuntu 13.10

I'm trying to install a program from the *.x86_64 file but it seems I don't have the right permissions to do it. Even if I right-click and go in the "Permission" tab, when I try to change anything ...
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3answers
455 views

How do I unprotect a file which is owned by root?

12.04 LTS and I mistakenly protected a file named set using: chmod 700 /home/jatin/Desktop/set How do I unprotect it?
0
votes
1answer
717 views

Hard drive (hfsplus) will not allow me to chown or chmod

I tried chmod and chown, neither worked and I got a message like this, repeated for every file in the drive. chmod: changing permissions of ‘folder/filename.id’: Read-only file system failed to ...
0
votes
2answers
4k views

How do I set permissions on a network-shared folder?

I used system-config-samba to expose a folder on the network with no user authentication. But I got permission failures, so I used chmod 666 shared_folder. When I go to \\computername from a ...
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1answer
55 views

Getting issue with file permissions in Ubuntu 10.04

I've a development desktop having Ubuntu 10.04, Apache2 & PHP 5.3.2 installed. I've given 0777 permissions to my web application root folder and Apache2 is also running under current username. But ...
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1answer
104 views

In ubuntu matlab execution file cannot be run

I have stored my matlab installation in one of the partitions.But ubuntu doesn't recognize the matlab file as an executable file even after executing chmod +x command. Kindly help me to resolve the ...