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

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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
51 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 ...
1
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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 ...
0
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2answers
52 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 ...
0
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1answer
247 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 ...
0
votes
2answers
860 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
votes
1answer
3k 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 ...
13
votes
5answers
1k views

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
175 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
12k 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
765 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 /home/...
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1answer
1k 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 {} \; ...
0
votes
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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vote
0answers
1k views

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 ...
2
votes
1answer
612 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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votes
1answer
134 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 ...
0
votes
1answer
108 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
votes
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 ...
24
votes
2answers
62k 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 ...
0
votes
2answers
4k 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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vote
1answer
135 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 ...
3
votes
1answer
2k 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 ...
0
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1answer
69 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
398 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
567 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
921 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
6k 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
58 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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vote
1answer
108 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 ...
7
votes
3answers
56k views

Permission drwxrwxr -x [duplicate]

I need some help about permission. I had a permission drwxrwxr-x but I try to change the permission with chmod 755 /folder/ and after that I receive permission drwxr-xr-x but I would like to change it ...
1
vote
1answer
815 views

Ubuntu corrupted log files

It seems that all my log folders located in /var/log are turning into files. For example, if I try to tail /var/log/apache2.log it will say "no such file or directory" I can see it in the file ...
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3answers
170 views

Having trouble with chmod

Before I would write "sudo chmod 777" and then the name of the file or folder but now it doesn't seem to change any permissions. I looked at multiple tutorials on how to use chmod and can't figure ...
0
votes
1answer
274 views

Why Kate can't edit my tex-file

I tried to edit a file by using Kate. But it said my file is read only (R/O). How can I change that? I tried sudo chmod a+rw kirjeet.tex & kate kirjeet.tex
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4answers
2k views

Why am I not able to use chmod 000 for a folder?

I can't chmod 000 for a folder in Ubuntu 13.10
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votes
3answers
64k views

default permissions for /var/www

I was trying to open a file and write to it with PHP at /var/www folder but it wasn't working so I did sudo chmod 777 var/www now I want to set the permissions for var/www to the default. what are ...
1
vote
1answer
354 views

restore permissions of ubuntu 10.04 after running “chmod 700 -R /” as root [closed]

I have run: chmod 700 -R / with root access on ubuntu 10.04. Is there any way for recovering from this situation other than reinstall? Then I again ran: chmod 777 -R / to fix it and now I have ...
3
votes
1answer
777 views

Add Group Permission to Run chmod Command on Group Owned Files

I've been searching for about an hour now and all google ever returns are hits for how to use chmod. I want to be able to grant users that are part of a unix group permission to run chmod on files ...
0
votes
1answer
3k views

changing chmod 755 to 775 on a directory will result in permission denied when connecting with sftp

When I change chmod in my /home/frans from 755 to 775 I get the following error when connecting with ftp fatal: bad ownership or modes for chroot directory "/home/frans" I'm a linux newbie and i'm ...
0
votes
1answer
110 views

Is chmod +x ./expand_lapw correct ?

I'm new user of Ubuntu. I have used redhat, however I wrote : chmod +x ./expand_lapw But there is nothing happen. Please let me know ?
2
votes
2answers
2k views

User www-data in custom group does not give other user write access

This is somewhat confusing for me so i hope someone can quickly explain the run down once and forall. I have a User, "John", and group created named "John". I make john a "Primary group members" of ...
3
votes
1answer
2k views

What are the default permissions for /root?

Not realizing what directory I was in, I did a "chmod 777 ." in /root. Now I would like to set the permissions for /root back to the default. Can someone please tell me the correct default permissions ...
0
votes
1answer
165 views

delete the read permission from a file

So, let's say I have a file named FILE. Whenever someone wants to edit or read it (for example cat FILE in terminal), it should ask for root password. How to do this? I suppose there's a chmod ...
0
votes
1answer
184 views

Unable to change permisions on windows partition disk

I need to change permissions of files in my /media/MAVEN/Projects MAVEN is my windows disk partition. The permissions on the Projects folder are: :/media/MAVEN/Projects$ ls -la \total 340 drwxrwxrwx ...
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0answers
566 views

Changing permission for 'Public' folder always failed

I have 2 PC using ubuntu(I assume PC 1 and PC 2), and I always share a file or folder for each other. I know that I have to right click first, choose Sharing Options and check Share this folder. ...
0
votes
2answers
237 views

Problem oracle installing from windows directory in ubuntu 13.04

I have two OS windows 7 and ubuntu. Oracle installer for linux stored in /media/sonnet/Main/oracle/disk1/ and /media/sonnet/Main/oracle/disk2/ here "Main" is an windows(ntfs) drive. when ...
0
votes
1answer
715 views

Cannot undo sudo chmod 655 /

I've accidentally run 'sudo chmod 655 /', and now I cannot undo this operation again because I cannot access sudo anymore. I'd actually wanted the permission to be set to 755. Is there any way I can ...
3
votes
2answers
5k views

How to make all new files in a directory executable [duplicate]

I want a way by which whenever I create a new file in a particular directory, I want it to be executable by default. Is this even possible, if so how?
0
votes
2answers
3k views

How to give a program access to make file in root directory

i am running a program which uses log4j.The log4j uses rolling file appender.However its not able to create the file. I guess its because the creation of file need root access. The program is ...