The ACL is a security and access component of Operating Systems. It contains a set of entries that determine who and what has access to a specified physical or logical system object.

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Windows with Full Control to Everyone for Everything

Similar to sudo chmod -R 777 /, but for Windows 7. A customer decided he hated the prompts for administrators to continue, so he gave himself Full Control for the Everyone group on Windows 7. Now, ...
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How can I list permissions of every component in a file path?

Sometimes it is necessary to determine on which directory in a path access rights are limited. Here is an example: $ ls /sys/kernel/debug/usb/devices ls: cannot access /sys/kernel/debug/usb/devices: ...
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Give write permissions to multiple users on a folder in Ubuntu

There is a folder that is owned by user tomcat6: drwxr-xr-x 2 tomcat6 tomcat6 69632 2011-05-06 03:43 document I want to allow another user (ruser) write permissions on document folder. The two ...
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Copy security permissions of one file to another

I would like to replicate the permissions of a file to another. I do not want to copy the data, only the permissions. For example, I created a new file and want it to have the same permissions as ...
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2answers
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Files on SMB-Share are locked and some apps can't touch them

Why do all files from a SMB share mounted on OSX are locked, generating Opearation not permiteted on some commands? I have a Windows 7 x64 machine is providing a share. The OS X 10.6 machine has ...
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1answer
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Windows: How do I remove a file's ACL, and just let it inherit the ACL on the containing directory?

Scenario: I unpack a file into a temp directory. Then I movve the file into a different directory. I want the file ACL to only include the perms stipulated in the new containing directory. How ...
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Linux File Permissions & Access Control Query

Let's say I am user bob in group users. There's this file: -rw----r-- 1 root users 4 May 8 22:34 testfile First question: Why can't bob read the file as it's readable by others? Is it simply ...
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Why are file permissions retained when moving files within the same volume?

Ocassionally, we have the problem that a file has permissions different from the folder where it's in. Now I found out that there's a KB article explaining the reason behind this: By default, an ...
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What does the + mean in the output of “ls -l”?

ls -l -rwxr-xr-x 1 root root 885 2010-07-08 13:55 /etc/backup-number-of-files* -rwxrwxr-x+ 1 levchuk Users 1067 2010-08-30 14:37 /etc/backup-running-time* Please notice the + on the 2nd ...
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ACL vs standard file permissions - which are used when accessing file?

ACLs and standard file permissions seem to be synchronized: $ getfacl test.cpp # file: test.cpp # owner: scdmb # group: scdmb user::rw- group::rw- other::r-- $ ls -l test.cpp -rw-rw-r-- 2 scdmb ...
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1answer
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Leave ACL handling to Windows with Cygwin rsync

I'm running an rsync command, copying my files from a server to my Windows machine like: rsync -rt --partial-dir=".rsync" --del rsync://server/a/ a/ Whenever this command creates a directory, it ...
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1answer
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Dump/show ACL in GNU screen

I'm trying to make an interface to make it easier to set ACL in screen. Setting ACL is quite easy, however, I can't find a way to show or dump the existing ACL. A look in the archives of this list ...
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1answer
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Hard drive access denied from Windows Explorer (but works from command prompt as Admin)

When I try to access a hard drive from Windows Explorer (in Windows 7), I keep getting this error: E:\ is not accessible. Access is denied. I am logged in under an admin account. Oddly, when I ...
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2answers
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Unexpected Access Denied error while accessing EFS encrypted file

I am getting Access Denied error when I try to access some files. ACL is OK, all ACE's all intherited, I have full access to these files and I am the owner of these files. ACE's are exactly same as ...
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1answer
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How to setup nfs share for users with write permissions

We used ubuntu linux on desktops with ldap authentication. Both on server and clients we have identical users and groups. I've setup nfs server with public share, which should be available for all ...
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1answer
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Is it possible to set ACLs on a sysfs mount point?

I'd like to add the write access on /sys/power/state to my UID via ACLs, this way I'd don't need to use sudo or any setuid program to make my workstation go on sleepmode, is that possible ? I tried, ...
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0answers
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Prevent copying from specific network locations [duplicate]

A tad unusual question! I need to prevent users from copying (via Ctrl+C / Ctrl+V, Drag+Drop, Edit>Copy / Edit>Paste) from a folder on the local machine. I won't go into details of why, as it's ...
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1answer
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Can't delete folder as admin, asks for Admin User that doesn't exist - “You'll need to provide administrator permission to delete this folder”

I am having a similar issue to the user who posted here. Basically, a folder in my Downloads (which shouldn't have any special permissions) won't allow me to delete it. When I try, I get a message ...