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

learn more… | top users | synonyms (2)

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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 ...
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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
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1answer
227 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
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4answers
51k views

How to find owner and group of a directory?

How can I find out owner and group of a directory in Ubuntu?
3
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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 ...
5
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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 ...
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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. ...
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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, ...
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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 ...
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1answer
45k 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
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3answers
13k 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
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1answer
6k 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 ...
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1answer
182 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
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1answer
268 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 ...
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0answers
338 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
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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 ...
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3answers
327 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 ...
5
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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
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1answer
458 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 ...
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2answers
594 views

Why can root still edit files with a permission of 0?

I just wanted to delete most files from an external HD except some certain ones. So I chmod these ones to 0 and did a sudo rm -r ./*. Painfully, the result was that everything got deleted. Why is ...
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1answer
574 views

How can I add file create read write and delete for a specific user?

Question: I need to give file create, read, write and delete access to /var/log for user bind only. How can I do that, short of allowing read and write and delete access for everybody ?
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1answer
379 views

How do i restrict user to make changes to NTFS partition ? (in easy steps)? [duplicate]

Possible Duplicate: How to restrict access to a NTFS partition to a standard (non-admin) user? I have 5 NTFS partition on single hard disk where ubuntu is also installed. I want to restrict ...
0
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2answers
223 views

usergroup permission issues

I tried deleting files on my dekstop (highlight files, press delete) in /usr/share/nginx/www but I'm getting permission denied issues. What I did was, add www-data and barsoom(current user) to a ...
2
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3answers
5k views

Directory Permission Change Not Working

I'm sure I'm missing something quite basic here, but I'm running Ubuntu through Virtual Box on my Mac, and so I need to give my Ubuntu user read/write access to the folder shared by the host and guest ...
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1answer
459 views

How do I update a third party app that does not have root permission

I installed IntelliJ Idea using Ubuntu Software Centre, but now Idea's build-in update manager notifies me that there is an update available, but the app does not have the permission to update it. If ...
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0answers
28 views

File Permissions on Mounted Device Won't Change [duplicate]

Possible Duplicate: How to 'chmod' on an NTFS ( or FAT32 ) partition? I have a external hard drive, and I can't change the permissions of one of my folders on it. If I try to ...
2
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1answer
200 views

How can I make my system usable after modifying /usr/share/icons's permissions?

I'm running a duel boot/partition machine with Ubuntu 12.04 and Windows 7. On Ubuntu OS, I wanted to change the permissions in one of my directories so could extract files into that directory. In the ...
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1answer
966 views

Ubuntu Partition Permissions

I have just one partition with all my data on it. I want to change it's permission to allow any user to change, create and delete files and to be able to do that through LiveCD. Also even after ...
4
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1answer
9k views

Default permissions for /opt directory?

During the copying of certain program folders to my /opt directory I mistakenly changed the permissions of the /opt directory. At the moment I (current user) can simply write/copy files to the /opt ...
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3answers
5k views

External hard drive not allowing permission

My older mac recently kicked the bucket, and I decided to switch to linux on a newer laptop, My hard drive was fine, and I now use it as an external hard drive. The one problem though, is that I ...
3
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2answers
722 views

Update Manager is not appearing in main dash.

I am currently a user of Ubuntu 11.10 on a Dell N4030, however my update manager is not appearing in dash home. I would like to update it to 12.04, but whenever I am trying with other alternate ...
1
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1answer
4k views

What permission do I need to add a printer

I try to install my printer using the following command: hp-setup 10.2.1.99 As you might expect my printer has the IP 10.2.1.99. It is a HP Color LaserJet 2700n. Everything works well until the ...
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3answers
2k views

How to transfer file permissions from one folder to another?

I did cp -r on a folder (copy), then removed the original. I have a backup with most of the files. How do I restore the permissions of the files & folders on the copy using the backup? It ...
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2answers
617 views

If I create or modify any file or directory with sudo then I can only manipulate it with sudo

The general issue is that if I create or modify any file or directory with sudo then it seems that I'm unable to create and modify this file or directory further as any other user than sudo. The rest ...
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4answers
9k views

Why can't I access super-user mode with su? [duplicate]

I just have managed to install Lubuntu 12.04. Now I want to do some things in the terminal like installing and configuring the Apache and a Lamp-system among other things. I come from Open SUSE world ...
1
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1answer
231 views

Why can I only run Hamster Time Tracker as root?

I've installed Project Hamster from source with: git clone git://git.gnome.org/hamster-applet cd hamster-applet ./waf configure build --prefix=/usr sudo ./waf install Attempting to run it as myself ...
0
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1answer
153 views

Using GUI without root privelege

Total noob here, just loaded Ubuntu 12.04 for the first time yesterday. Loaded Cinnamon desktop also, to try out both it and Unity. I downloaded an application SMathStudio.exe into my Home/Downloads ...
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2answers
3k views

Inheriting parent folder's permissions

Okay. I've installed Ubuntu on an old laptop, which I plan to stick in a drawer and never open again, for use as a file and media server, and all is going well except that I'm having some problems ...
0
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2answers
4k views

How to copy file from downloads to filesystem/bin?

I am pretty new to Ubuntu 12.04. I have a problem using my datacard on it, so I got a program called Sakis 3G. This program is a file after downloading; it opens in gedit. I need to copy this file to ...
12
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2answers
3k views

How can I rename items in places I don't own, like / , and why shouldn't I?

I get a Permission denied message when trying to rename files and folders in places like /, /usr, and other people's home directories. I'm an administrator. How can I do this? Also, I've heard that ...
1
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2answers
249 views

Why the need for sudo when I have only one account on machine? [duplicate]

Possible Duplicate: Why is it bad to run as root? I am bit confused about the need for sudo when I have a single user account set up on my machine. At install time I tried to call the name ...
4
votes
4answers
444 views

How can I prevent a standard account to mount a specific partition?

I have a root account from which I do all of my tasks. I set up my partitions to mount at startup. I have also created an account for my younger brother. I do not want him to access specific ...
1
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1answer
2k views

Do I need user 1000, and can I replace it?

On my computer running Mythbuntu, I'm having a problem where some important processes are being run by a user called 1000. $ ps -aux | grep myth Warning: bad ps syntax, perhaps a bogus '-'? See ...
3
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0answers
86 views

How can I setup a shared directory so that files moved/copied into the directory inherit the directory's permissions? [duplicate]

Possible Duplicate: Shared folders for all users There have been several questions regarding the creation of a shared directory accessible to all users of a group (notably this one); ...
0
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1answer
7k views

Permission denied moving files

Extreme noob here so please point me in the direction for beginners! I have managed to mount my Box.net account following these instructions. However when I copy files and paste them into a file ...
5
votes
6answers
6k views

Added new partition to system, “permission denied” when running programs [duplicate]

Possible Duplicate: Ubuntu took away permissions from my Data partition I reformatted a NTFS partition on my system with ext4 because I want to use it on my current Ubuntu installation, not ...
1
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1answer
2k views

Why does everything keep changing back to root ownership (NTFS)?

I've tried EVERYTHING to get my files back into my name, but all I seem to do is add MORE files to Root ownership every time I try to fix things. It starts with getting my 2 ntfs partitions to ...
0
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1answer
4k views

How to mount external HDD with fat32 owner rights

When my external HDD mounts, it get mounted with root as owner. So I can only look read files. How do I get this to mount as me as owner? It's frustrating. Why is it really necessary to have root as ...
2
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1answer
799 views

How do I change the default permissions of home directories created with adduser?

How can I change the default chmod of new home directories (created with adduser)?
3
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2answers
622 views

What happens if a file/folder owner gets deleted?

What happens when I delete a group wich is owner of certain folders and files? Who become the owner then?