Short for "file system permissions" - access control based on user, group, or global access.

learn more… | top users | synonyms (2)

6
votes
2answers
44k views

I Can't access the root folder

I do not have access to my root folder: Ubuntu says I do not have the necessary permissions to access it. I also cannot access lost + found, which gives me the same error message Is there anyone here ...
1
vote
0answers
925 views

How can I get samba users from the same group to edit each others files?

I'm setting up my first linux fileserver for Windows clients and am having some problems properly setting up the shares. I have a shared folder via Samba where multiple users (who are organized by ...
3
votes
1answer
331 views

files disappeared after using chmod

I set my /var/www/wordpress folder to 744 permissions and all of the files within disappeared. If I right click the /wordpress folder and click properties, it says there are 0 bytes in the folder but ...
2
votes
0answers
499 views

How to Lock Unlock Pen Drive in ubuntu 12.04?

My Name is Prakash. We face below problem in ubuntu. Kindly help us to solve it. How to Lock Unlock Pen Drive in ubuntu 12.04 ? How to give right to users ?
3
votes
1answer
2k views

How to access mounted file systems as a guest user?

In Ubuntu 11.04 I could mount a file system in /media/foo and run chown guest:guest /media/foo/bar -R and have full access in the guest account. After the upgrade to 12.04 I changed my routine to ...
0
votes
1answer
2k views

Folder permissions keep changing from www-data to root

A folder under the directory /var/www/xml keeps changing permission from www-data to root meaning that no php file is able to write into the folder. This seems to happen when I restart the server. ...
0
votes
1answer
967 views

Default home directory permission allow read? [duplicate]

Possible Duplicate: Why can other users see the files in my home folder? I need help with some basic permissions logic. I noticed that default permissions for a home folder are drwxr-xr-x. ...
1
vote
1answer
271 views

Installing Server Packages (how to edit protected files)

I'm a new convert to Linux and am building a new server using Ubuntu 12.04 (home network, server will be file storage and will run PHP/MySQL for my web development projects). I am really struggling. ...
1
vote
1answer
303 views

directory permissions adding user in a group

I added a user using useradd useradd -g upperdevs myuser But when I do an id check I didn't see the upperdevs group. id myuser #uid=1000(myuser) gid=1000(myuser) groups=1000(myuser),27(sudo) ...
3
votes
2answers
13k views

permission denied: /etc/apt/sources.list

I'm trying to install java jre, i usually do it like this sudo echo 'deb http://www.duinsoft.nl/pkg debs all' >> /etc/apt/sources.list sudo apt-key adv --keyserver keys.gnupg.net --recv-keys ...
0
votes
1answer
514 views

How to correctly set permisions for all subfolders and files

I am following the guide to install TinyOS on Ubuntu 12.04 I have done up to step 3, But I am not sure if I have done the step 3 correctly. Because by doing the step 4 I get the permission error : ...
3
votes
7answers
16k views

Matlab install - Java permission denied

Matlab version 2012. I know there are many threads about this, suggesting to chmod +x the following files (if you are in installation directory): sys/java/jre/glnx86/jre/bin/java ...
1
vote
1answer
5k views

Change permission from -rwxrwxr-x to drwxrwxr-x

I have a php file which is trying to read and write xml files on my Ubuntu server, however the problem is that it does not have permission to do this (permission denied error). I have tried the ...
3
votes
1answer
539 views

polkit: disable all users except those in group wheel?

Is it possible to do the following using 1 polkit .pkla file? Disable all users except those in the wheel group from using polkit. The users in the wheel group will need to provide the root password ...
2
votes
1answer
2k views

link windows xampp htdocs dir with linux www dir

I'm migrating from Windows to Ubuntu. I've installed Apache on Ubuntu. It keeps files in /var/www/ folder. When I was on Windows, I've had used XAMPP, which keeps files in /xampp/htdocs/. So I don't ...
2
votes
0answers
314 views

Why don't I have permission to read files on the CD I bought?

I recently bought this book, which came with an accompanying CD. When I try to view the contents of the CD in Ubuntu, I don't have read permission for any of the files. ls -al in the root of the CD ...
3
votes
1answer
178 views

Is file permission secured when it transferred from Ubuntu to Windows?

I am having 9GB text file which is encrypted . This file contains some confidential data . Which is on my system(Ubuntu) and my external HDD (ntfs) . This file get daily updated and then encrypted . ...
4
votes
2answers
2k views

All files on automounted NTFS partition are marked as executable

I have set up an NTFS partition to automount via fstab: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with ...
2
votes
1answer
845 views

Run a (single) program as root

I have been given a tool that uses a closed source library to operate the hardware watchdog timer on my "PC". The library insists on being run as root. I have tried modifying the sudoers file to ...
0
votes
1answer
694 views

Running command from TeamCity fails, but running it in the terminal it succeeds

I am attempting to build an ASP.NET MVC 4 project. From the terminal it succeeds. I am logged in as my admin account. Teamcity was installed with its' default settings. From the command prompt: ...
1
vote
0answers
19 views

Windows Workgroup issue [duplicate]

Possible Duplicate: Share Ext4 Partition Over Network How to configure my Ubuntu Workstation to be a member of Windows 7 Workgroup ? and How to manage permissions for windows users ...
2
votes
2answers
89 views

How do I give a user access to a folder of mine?

So far I've set up an ssh server and added a user account using the GNOME "add user" dialog. Now login and sftp work, but I'd like to give this user read-only access to one of the folders in my /home ...
0
votes
1answer
570 views

How can I disable access to the File system for a specific user or group?

It is very important for what I am doing now.
2
votes
0answers
27 views

How do I limit users in a certain group to using a few specific applications? [duplicate]

Possible Duplicate: How can I restrict program access to other users? I want to let users in a particular group use Firefox, Remmina Remote Desktop and Printers, but no other applications ...
0
votes
4answers
10k views

Permissions issue when trying to save file to /var/www [duplicate]

Possible Duplicate: How to avoid using sudo when working in /var/www? I have install PHP from this article on my ubuntu computer ...
3
votes
0answers
452 views

How do I share USB VFAT Drive with other users?

I want to share pictures between my wife and me, on an external USB drive. The OS is ubuntu 12.04. The drive is a Western Digital 500 GB and sudo blkid /dev/sdc1 return LABEL="My Book" ...
7
votes
3answers
2k views

Cant connect to wireless network automatically even though the box is checked!

My mum, who lives 400 miles away, has a problem with her wireless network with Ubuntu 12.04, upgraded from 11.04 on her Acer Netbook. The problem is that when she boots up her netbook she has to ...
1
vote
1answer
679 views

What are proper permissions for localhost php files? Getting 403 error

This is driving me crazy. Really crazy. Quick story. I've created a symlink: sudo ln -s /home/richardmandx/Dropbox/www /var/ When i go to localhost (installed via sudo task-sel lamp-server) You ...
1
vote
2answers
2k views

Changing permissions on a drive owned by root

Just installed 12.04, then formatted an external 2 Tb drive for use. My next step would usually been to have logged in as root, changed the permissions to my admin user, then logged back out. . . but ...
3
votes
1answer
399 views

Permission to referance file in git changed on push

I have currently set up an ubuntu-server with gitolite and it works like a charm for the most parts. The only issue was when I downloaded and setup a web-gui (gitlist), to share my repositories. Im ...
1
vote
1answer
231 views

Why few commands (eg: fdisk -l) do not inform user “you do not have privilege”?

Few commands that need to do sudo remind you that "You do not have the privilege" or "Are you root?" etc. while a few commands do not give such message. For example, if you do fdisk -l instead of ...
1
vote
2answers
2k views

udev not updating usb permissions and group

I am using ubuntu 10.04 LTS - Locid Lynx. I have a requirement to set specific group and permissions for any usb stick file/directories on mount. I have tried overwriting the udev rules. Here is what ...
1
vote
1answer
1k views

How to provide user permission to read, write on `/dev/sdax`? What is the syntax?

I have two my hard disk divided into two partition (apart from swap). First one is /dev/sda3 on which I have my ubuntu installation. Second one is /dev/sda1. Now, when I try to copy a file to ...
1
vote
1answer
225 views

I can't write in Windows partition, but I've done it before

Before, I could save images downloaded from the web in the Windows partition. Even I could transfer files and all that. But today, I can't do it anymore. Some days ago, I was trying to resize Ubuntu ...
15
votes
4answers
43k views

How to find owner and group of a directory?

How can I find out owner and group of a directory in Ubuntu?
3
votes
1answer
2k views

Wireshark - allow non-root user to sniff USB traffic

I'm trying to capture data transferred across a USB connection to reverse-engineer the protocol used. I'm using wireshark to do this, which explicitly warns against running as root. So far, I've ...
4
votes
1answer
2k views

What purpose does the Public folder serve

In default Home directory, there is a folder called Public. What purpose does that serve? Are documents in that folder accessible to all users on the same computer? What are the default permissions ...
0
votes
1answer
1k views

Can I restrict file access to other users? [duplicate]

Possible Duplicate: How do I restrict users? I'm sharing my computer with my roommate, and she needs access to my libre office, but I don't want her to see my financial/tax information. ...
1
vote
1answer
1k views

I can't copy to external drive, read only error; can't change permissions even from sudo nautilus [closed]

My drive was just fine an hour ago. I copied a couple of movies to it, and the cord accidentally came out, and now it keeps loading as "read only" every time. I tried rebooting, logging in and out, ...
3
votes
4answers
7k views

Permissions for apache webroot folder on dev server?

I am a web developer and have Apache setup on my local system for testing. I keep running into issues with the permissions e.g. unless I chmod any new directories to 777 my IDE cannot write to the ...
0
votes
1answer
42k views

500 OOPS: cannot change directory: /home/user/public_html, VSFTPD error

I setup VSFTPD on my Ubuntu server 12.04, it worked very good. Until I tried to change the permissions of the user so the user couldn't go in the / directory and only in the directories inside ...
4
votes
3answers
11k views

Why am I getting a “failed to create pid file…Permission Denied” error?

If a program requires write permission how should I set it with chown? Specifically, what would program foo's permissions be to solve this error? failed to create pid file '/var/run/bar.pid': ...
3
votes
1answer
5k views

Can't Change Permissions of Files in Home Folder without Sudo

For some reason, I can't chmod +x files that are right in my home folder without prepending sudo to the command. One recent example: I have a file named monitor-off.sh in ~/Documents. I tried to use ...
0
votes
1answer
175 views

Enforce file permissions

I have a directory where many users have write access and often the permissions on the directory changes. Is there a tool that lets me monitor the files for changes and enforce a specific file ...
2
votes
1answer
266 views

Workflow for working on www-data owned files

What is the best workflow for working on PHP Webpages (local) in "Ubuntu Desktop". My problem is, when i logIn with my Ubuntu Account, and when i open a php file "geany" i cannot save the file any ...
1
vote
0answers
333 views

Permissions to access an encrypted external HDD

I have an external HDD which has an encrypted ext4 filesystem. When I plug it into one of my laptops and provide the encryption password, I get this popup box saying: You do not have permissions ...
3
votes
2answers
1k views

How do I wrest ownership from root or get administrator privileges?

I have been using Windows since Win 3.11 and have only been on Linux/Ubuntu for about three hours. I know things are done differently on Linux and I do not expect it to be as intuitive and ...
1
vote
3answers
306 views

Who created files in “/proc” with my username?

I just learned about file security, user & group, etc. And I appreciate a lot about the elegance of the filesystem of linux. My username is lyg, and I found there are some files with owner lyg in ...
3
votes
2answers
1k views

How to restrict an user to a specific desktop environment

I'm running a more or less standard installation of Ubuntu Precise 12.04 and I am quite satisfied with doing everydays task with Unity desktop environment. When it comes to playing, however, I feel ...
2
votes
1answer
441 views

Why doesn't “su bind” work?

When you do apt-get install bind9, there gets a user bind created. I'm having some trouble with my bind installation. See How can I add file create read write and delete for a specific ...