Allowing and restricting which users can perform what operations of particular files

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55
votes
9answers
52k views

How to use pip after the OS X El Capitan upgrade?

After the El Capitan update, I am unable to run pip install. The error I get is that the "operation is not permitted" when pip tries to create new folders while installing. creating ...
3
votes
1answer
4k views

Confounded by permissions problem on NFS share

I'm setting up an NFS server (Ubuntu) to serve files to several Macs (10.7). The way it's set up, I can log in from any Linux client and read/write over NFS exactly as expected. (I've set up ACL ...
0
votes
2answers
36 views

How to reset to default permissions

During development and debugging I have changed permissions of various files and folders using chown and chmod on my local system (I didnt maintain the list of changes). Now that I have fixed the ...
1
vote
3answers
764 views

SD flash card READ-ONLY all of a sudden

I have a MacBook Air running Yosemite. I have an external SD drive that I save files to frequently. Info on SD drive says it's READ-ONLY all of a sudden? I am the ONLY person that uses this drive ...
1
vote
1answer
2k views

How to automatically apply permissions to files added to a shared folder

I have a shared folder setup on a Mac Mini Server. It has permissions for our company group to read/write. When a mac user adds a file to the shared folder, it inherits the permissions of the folder ...
1
vote
1answer
17 views

Folder of second hdd unaccessible for other users

I have a Macbook pro with El Capitan and two HDDs. The second drive I wish to use as a sharing area with my wife who has a user on the same notebook. I created a folder and put some files there. She ...
1
vote
1answer
93 views

SSH rejecting key file with extended attributes

In my .ssh/ directory, when running $ ssh-add dev Permissions 0755 for 'dev' are too open. But looking at the dev file $ ls -lF dev -rw-------@ 1 me staff 1675 Feb 3 09:37 dev The @ at the ...
0
votes
0answers
26 views

Home sharing on iPhone: “You don't have permission to access the requested resource ”

I've configured Home sharing to work just fine on my iPad and Apple TV, however for some reason on my phone I get an error pop up saying "You don't have permission to access the requested resource" ...
3
votes
1answer
3k views

How to mount a shared folder as disk with `rwxr-xr-x` permissions?

I shared a folder from the host system (OSX) and use mount it in the guest system (OSX). But it is mounted only with rwx------ mode. I granted an rw access for the shared folder for a user in the ...
3
votes
3answers
23k views

Error: “The operation can’t be completed because one or more required items can’t be found. (Error code -43)”

I accidentally pulled an NTFS hard drive out of my Mac OSX Mavericks machine several times and realized that I accidentally created multiple entries of many different names in my /Volumes/ folder. Now ...
6
votes
1answer
453 views

Can the default permissions on /dev/disk* be changed?

Is it possibile to change default permissions /dev/disk*? In Linux this is done in the udev configuration files; which is the equivalent on OS X? I'd like to give group write permissions so members ...
3
votes
4answers
13k views

Photoshop on mac “could not save [file] because write access was not granted”

I've been seeing this error a lot lately: Could not save [file] because write access was not granted I've checked all the standard reasons why permission to save a file might be denied: The ...
0
votes
0answers
11 views

Password required to pause / resume printer

We've got several macs (macbook pros + mac minis) in our office. Most of the users are running osx 10.9 and dont have admin access. If they hit pause on the printer dialog they and then try to ...
0
votes
2answers
83 views

Can't create new directory in home folder: What are “default” permissions/ownership?

I do know how to set permissions. But what is the default OS X permission and ownership for one's home directory. I can't create a dir. How is mine different? (See snippet): jbenniMac:~ jbenni$ pwd ...
13
votes
3answers
8k views

Make files in `/usr/local` writable for homebrew

I've been trying to get homebrew working nicely, but it appears everything inside /usr/local isn't writable, and everything falls over. It keeps telling me to recursively chown /usr/local, and I ...
0
votes
1answer
2k views

File Sharing Mac-PC results in Permission Changed and Locked Files

Recently I decided to recycle one of my old Macs into a home-file-sharing-server. The Mac running Yosemite is connected to a router with Ethernet and is running PLEX server. A hard drive is also ...
0
votes
0answers
25 views

Permissions on previous backup stopping me from restoring

I have acquired a new Macbook Pro, running El Capitan (10.11.4), I have a USB drive containing the TM backups of my previous Mac (running Yosemite 10.10.5). I have been reading about how to restore ...
0
votes
1answer
19 views

problem with installing Network Storage drivers

i have a problem with accessing to my iomega-ix2 network storage. when i read the manual, i found that i have to download and install certain files (download link is in the bottom) so when i download ...
2
votes
2answers
8k views

Permission Problems for copied files from NAS

I access my Synology NAS via AFP and can open/edit all of my files directly on it. But when I copy a file to my desktop I can't open it. Finder tells me I don't have appropriate permissions. When I ...
0
votes
1answer
2k views

Sharing common folder in OS Mavericks and on Windows 8?

I have many PC with Windows 8.1 and a Mac with Mavericks. I have a folder on the Mac that is shared with the PC. "Share" folder which is shared over network . I want help regarding this : 1) I want ...
4
votes
2answers
2k views

Mysterious “Staff” account on my school laptop

There's a account named staff, which I discovered had read permission on my home folder, when I did Get Info on it for an unrelated purpose. So, naturally, I went into System Preferences, and looked ...
0
votes
1answer
1k views

What is daemon user on mac?

I installed XAMPP on mac and it uses the user daemon. I have trouble accessing an external site that I have setup for which I am getting "Access Denied" error. This is likely because daemon user does ...
7
votes
2answers
15k views

How to move the Downloads folder (in Mountain Lion) to another disc

I want the "Downloads" folder not on the system drive but on my second internal drive. In Lion I just deleted the "Downloads" folder and replace it with an alias with the same name (pointing to the ...
8
votes
2answers
163 views

Do iPhone apps have permission to make calls without user interaction?

I was reading about a missed call scam just now where the user gets charged even if they don't call the number back. It occurred to me that a malicious iPhone app could make calls to premium numbers ...
4
votes
2answers
95 views

permission denied mkdir /Volumes

I'm getting a permission denied when attempting to create or mount at /Volumes on my mac. I'm an admin and I can do both of those things with sudo, but I don't understand why I have to use sudo on ...
0
votes
0answers
7 views

Wrong file group for various files and folders after restoring from Time Machine

After I change to an SSD and restored my computer form a Time Machine backup, all the files and folders in my users home folder have a wrong file group. They all have the file group set to 503, which ...
5
votes
3answers
587 views

Is there a command like namei for OS X?

I'm sifting through some incorrect permission issues and discovered the namei command for Linux. Homebrew doesn't currently have a Mac port. namei - follow a pathname until a terminal point is ...
0
votes
0answers
138 views

Terminal Error: pointer being freed was not allocated *** set a breakpoint in malloc_error_break to debug - Unable to Repair Permissions

I'm getting an error when I open Terminal saying: login(495,0x7fff77186000) malloc: *** error for object 0x7f8cdad0b780: pointer being freed was not allocated *** set a breakpoint in ...
0
votes
1answer
35 views

Sharing & Permissions has 2 “everyone” entries, OS X 10.10.5

I was doing some stuff with the system administrator to my computer and we are not sure what we did to have this happen but we now have 2 everyone permissions in nearly every file on my compute. The ...
1
vote
3answers
25 views

Access to MacBook Air backup files

I am trying to access some lost photos from a MacBook Air backup (I no longer have the computer). I am denied acess to pictures folder because I don't have permissions. How can I log in with password ...
3
votes
2answers
9k views

How do I edit an Info.plist file?

I want to edit three lines of file Whenever I try to edit it this comes up I already gave myself permission to Read & Write (I'm 21muffinp) The same thing still comes up, saying I do not ...
0
votes
1answer
91 views

I broke sudo - how do I fix it?

Apparently I can't sudo on my Mac any more. Piers-MacBook-Air:~ piersb$ sudo ls Password: Sorry, user piersb is not allowed to execute '/bin/ls' as root on Piers-MacBook-Air.local. ...
0
votes
0answers
32 views

File permissions and saving to `smb` server

Suddenly I have the problem that I cannot save files with Xcode on a server mounted via cifs:// or smb://. [Xcode 6.1; Mac OS X 10.9]. I get the following uninformative error: I also checked the ...
0
votes
2answers
42 views

What happens if you used “rm -rf *” in /Users or /Users/someUser?

Note: Don't type rm or any variation of it into terminal under any circumstances if you are not experienced with the command line Does the Mac OS X block you from using rm in those directories to ...
0
votes
0answers
22 views

Share single dropbox account between two user accounts

I have two user accounts on my MacBook, one for work and other personal. I would like to share the same dropbox account between both user accounts with read & write access. Currently I have access ...
0
votes
2answers
47 views

About Mac computer's file permission

I was trying to install Joomla on my Macbook Air under XAMPP. I successfully installed it, but when I try to open the front-end, I keep getting this mkdir():permission denied error. Two questions ...
0
votes
0answers
15 views

access mount drive that was created by another user

I'm working on 10.11 instance with multiple users, and one of the standard privileged users have created mount drive. Now I'm trying to connect the same drive from terminal command line on different ...
0
votes
0answers
28 views

How to set default ownership of a shared folder?

How can I set default ownership of newly created files and directories of a shared folder to the original directory owner? The original intention is letting B read/write A's shared Google Drive ...
0
votes
1answer
54 views

Editing com.apple.atrun.plist on El Capitan

I am running El Capitan on several computers and would like to be able to use at to run scheduled jobs in the background. Enabling at requires editing ...
2
votes
1answer
28 views

give read&write permission to only 1 file in folder

I am trying to manually modify preferences file located at /Library/Preferences/SystemConfiguration/preferences.plist To modify it, I need to give it read&write permission. I did that. The ...
14
votes
3answers
2k views

In OS X, is it better to put apps in /Applications or in ~/Applications?

I've noticed that pkg installers and obviously apps installed from the App Store) put apps in the /Applications file, yet Steam usually puts them in ~/Applications. Both work, and both are writable by ...
21
votes
4answers
24k views

File can't be moved by root on OS X

I tried to move a few files to a subfolder on OS X. One refused to move. It said Operation not permitted. I tried again as root: $ sudo mv file subfolder/ mv: rename file to subfolder/file: Operation ...
0
votes
0answers
18 views

Can't Open or Edit Microsoft Documents in Shared Folder

I recently bought a Macbook Pro - It's my first Apple purchase. My partner and I both have an Administrator login. We have put a number of documents (both Apple and Microsoft) into the shared folder. ...
0
votes
0answers
24 views

Accidentally granted myself all directories on my mac

so I was working late last week and accidentally granted my user the ownership of all the files on my mac, with this command I think: sudo chown -R / I have been fixing it to make apache, sudoers, ...
3
votes
2answers
444 views

Hardening Time Machine Security

In face of the news that there is now a ransomware for mac in the wild I thought about the security of my time-machine backups. Permissions First, I had a look at the permissions of the files that ...
0
votes
0answers
30 views

User with read-only permission can still write

I have a share that has the permissions: User "K" -> read/write Group "Home" -> read only. However, when a user other than K, member of group Home connects to this share she can still create files ...
24
votes
3answers
14k views

What does “@” signify in unix file permissions?

I have a file with the following permissions on my MacBook Pro: -rwxr-xr-x@ 1 root wheel 101K Feb 29 17:09 apachectl What does the @ stand for? I can't execute the file and this is the only ...
0
votes
3answers
5k views

SMB share can't rename files/folders

On occasion cannot rename or delete files & folders on a Windows Server 2012 R2 SMB share from a Macbook. Mac OS X 10.10 build 14A389a The SMB share has granted "Everyone" with Full Control ...
2
votes
2answers
3k views

Preview refuses to open pdf file, incorrectly claiming a permission issue

I had to force quite Preview (it became unresponsive after trying to open a 200Mb animated gif), but after re-starting it some files there were open before no longer open. Instead an error box pops up ...
1
vote
1answer
30 views

Change encrypted internal HD permissions to prevent password prompts

I have an iMac (running OS X 10.11.3) with a dual disk setup. A ssd for the OS (with Filevault turned on) and a HDD for storage that is formatted OS X Extended and Encrypted. The intention is to ...