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

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1answer
18 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 ...
8
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2answers
101 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
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2answers
77 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 ...
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0answers
6 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 ...
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0answers
57 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 ...
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1answer
28 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 ...
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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 ...
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1answer
83 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. ...
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26 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 ...
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0answers
17 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 ...
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0answers
14 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 ...
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0answers
25 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 ...
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2answers
45 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 ...
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1answer
48 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 ...
0
votes
2answers
36 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 ...
2
votes
1answer
25 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 ...
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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. ...
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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, ...
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2answers
396 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 ...
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1answer
28 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 ...
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1answer
114 views

OS X 10.11 Not able to change the folder permission

I have root permission but still I am not able to change the folder permission sudo chmod -R 777 /Applications/Safari.app/Contents/MacOS/ chmod: Unable to change file mode on ...
2
votes
2answers
89 views

Questions about permissions, specifically across machines

I've got a couple of external HDDs and I've noticed the permissions on them are differ, which has got me wondering how a few things work. On the hard drive that seems to be normal, it has the ...
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0answers
30 views

Is adding root to the user group staff safe?

So it seems my library folders are owned by my user, and staff is the user group. When I run commands in sudo, I get warnings from programs like pip that root doesn't own the folder/file. To avoid ...
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0answers
251 views

I get a permission denied error when trying to run pip

I am trying to run the following command: pip install -U pip setuptools However, I get this error output: Requirement already up-to-date: pip in /Library/Python/2.7/site-packages Collecting ...
0
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1answer
45 views

How to give access to my user and _www

I am new to mac and running a website through apache server. The code for my application is being accessed by the _www user, so I set the ownership to _www user but then when I try to edit a file from ...
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1answer
121 views

LSOpenURLsWithRole() failed for the application /Applications/darktable.app with error -10810

Darktable mysteriously stopped working on me yesterday. I tried restarting my iMac, deleting and re-installing darkable and finally after going through some forums I tried running through the ...
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1answer
155 views

User permissions problem after restoring from Time Machine to a new user Mac OS X El Capitan

My old MacBook Pro died so I did a restore from a Time Machine backup to an iMac. I did the restore to a new user so the info already in the iMac would not be lost. Everything went smoothly and I have ...
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1answer
56 views

How Do I Reset the Sharing & Permission Setting on a MacBook?

When you select the "Get Info" option, the mac will bring up a pop-up with the various attributes of the object selected. In the "Sharing & Permissions" section, you can set the access level. ...
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5answers
711 views

Cannot open Terminal on mac (“Not allowed to use” error message)

I cannot open Terminal at all because of this error message. (Probably the rudest error message I have ever seen on a computer.) This mac was originally a school computer and the permission to use ...
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0answers
24 views

su returns `permission denied'

When I su admin, I get shell-init: error retrieving current directory: getcwd: cannot access parent directories: Permission denied What is the correct/best way to give the user admin access to ...
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2answers
236 views

Unsuccessful attempt to repair permissions with OnyX on El Capitan

I'm trying to execute the maintenance script in OnyX and I keep on getting the same errors at each pass: Permissions in the X11 folder are constantly being repaid (i.e. OnyX is showing that it ...
2
votes
1answer
324 views

Info.plist is always readonly

I want to edit Finder Info.plist file that is located here: /System/Library/CoreServices/Finder.app/Contents/Info.plist But when I try to edit the file by vi the file is readonly. # vi ...
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1answer
139 views

How do I ignore ownership on an external hard drive without using Get Info?

I have been trying to set my external hard drive to ignore ownership in permissions, but I can't seem to do it. I am trying to enable the ignore ownership option because I am trying to run Xcode from ...
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0answers
52 views

Why is “com.apple.quarantine” extended permission being added to downloaded files?

Recently I found downloaded files were not accessible through my web browser when viewing a site running inside a VirtualBox server. I noticed downloaded files have the extended permission ...
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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 ...
1
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1answer
117 views

Installing Adobe Reader without granting full administrative privileges

I agree with the OP of the question How can I open a .pkg file manually? that it is not so nice to grant administrative privileges to software that you do not trust "completely". The following ...
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votes
1answer
28 views

Changing configurations for Jrnl

Greetings to the apple community. I'm a newbie to mac and the terminal and I have no previous exposure to Linux. I have only casually used computers. However I've been wanting to step up my game and ...
3
votes
1answer
486 views

What does sudo chmod 0755 /usr/local and sudo chgrp wheel /usr/local do?

I uninstalled Homebrew, manually removed the /usr/local contents. The following possible Homebrew files were not deleted: /usr/local/.DS_Store /usr/local/bin/ /usr/local/etc/ /usr/local/include/ ...
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0answers
16 views

bit lost wrt to permissions and users

So I am installing postgresql and it mostly works, kinda. I have a user postgres that was create by the postgres createuser commmand. I understand that the intent is a do-nothing user that can just ...
0
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1answer
71 views

Keychain: Beachball When Visualizing Password

I can use the passwords in the keychain when opening a program, but if I try to display the password in the keychain entry I get asked for the root password. When entering the root password the ...
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0answers
50 views

How can I make all files created in a shared directory inherit the permissions and ownership(If possible) of the directory it was created in?

Is there a way to set inherited permissions automatically on shared files, so everyone can work off the same shared directories? I've spent hours searching for solutions and talking with Apple support ...
3
votes
2answers
128 views

Accidentally changed owner of /var system folder recursively to myself

Long story short, accidentally I ran sudo chown -R myusername /var/ and now my mac won't boot anymore (after entering user password for hdd decryption loading bar is slowly filled and after it gets ...
1
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2answers
44 views

How do I remove multiple owners from a file/folder?

While trying to set up MAMP/PHPStorm, I CHOWNed the OWNER of my Sites folder to _www from myUser. Since this did not resolve the problem I was experiencing, I attempted to CHOWN myUser ...
0
votes
1answer
74 views

Permissions errors thrown, but permissions appear to be correct

On my HD, I have a bunch of files that I've generated via Python scripts (or otherwise). When I run "open foo.png" from terminal (or via finder), I get a popup that says The file “foo.png” ...
1
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1answer
45 views

Safe to change permissions/ACLs for `~/.ssh/known_hosts`?

My initial problem: I am using git with SSH for authentication. Each time I push/pull, I get The authenticity of the host […] can’t be established, and after confirming to trust the host, I can ...
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0answers
67 views

Strange bug with Google Drive on Mac OS X?

It seems as though for random files after what seems to be a random amount of time, the file permissions are somehow changed. I have the app set up on a PC as well (running windows 7). This is ...
0
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1answer
189 views

Grayed out folder won't open in finder

I've never see this before. Here's the facts: It appears to be grayed out in the finder I can not open it by clicking I can move the folder The permissions are set to 777 (overkill i know) I can ...
0
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1answer
52 views

/usr/bin Permission change

I am trying to set up Java on Xcode and it needs to access /usr/bin/java at some point. But I cannot get hold of this folder and I get this message: The folder “java” can’t be opened because you don’t ...
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0answers
144 views

Access denied on TimeMachine after formatting OSX

I formatted a Mac and installed the latest OSX. This Mac was using Time Machine with an external hard drive. Now, I am unable to access folders on that disc that were created before the formatting. ...
0
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1answer
290 views

Editing the /System/Library/LaunchDaemons/com.apple.pfctl.plist file

I need to vim the file found at /System/Library/LaunchDaemons/com.apple.pfctl.plist but the permissions will not allow it. Even when I run sudo vim /System/Library/LaunchDaemons/com.apple.pfctl.plist ...