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

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9 views

CPU usage for User tasks consuming up to 80%; 0% Idle. What does it mean?

I have noticed that my CPU usage is always near 100%. 0% of it is for Idle. About 20% average is for System tasks. The rest is going to User tasks (80%). But if I look at individual tasks don't see ...
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23 views

Application permissions for Standard user

I use my Mac as a Standard user. When I first set it up, all applications were downloaded/installed using the Admin user. Running latest OSX 10.10.3 When using my Mac as the Standard user, every time ...
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0answers
17 views

User Data on SDXC?

I am assisting a user who has reach full disk capacity (120GB). The disk cannot be replaced by one with higher capacity (not without replacing the whole logicboard) and as a the laptop is designed ...
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2answers
21 views

Homebrew mutt(1) file permission weirdness

I just installed mutt ('brew install mutt') running as myself (uid=501(john)), no sudo. It seems to have worked, but now I've got a couple of weird permission problems. When I run mutt, email ...
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1answer
16 views

10.9 server keeps losing correct permissions on /private/tmp

about 2-3 a week our 10.9 server machine starts filling logs with 'unable to write to /private/tmp/..." errors. many per second. the permissions to go 755 apparently. it's easily fixed with a ...
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0answers
11 views

Check access to share BEFORE mounting

Quesiton: Can I check access to a share before I mount it? I'm using various bash scripts on Mavericks 10.9.5. One script mounts shares, based on group membership. Due to the nature of the script, ...
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1answer
82 views

Upgraded from Mavericks 10.9.5 to Yosemite 10.10.3. Permissions are all messed up

If I try to move things to external hard drives I am asked for my admin password. If I try to move things in or out of the Applications folder I am asked for my password. I am asked for my password ...
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14 views

Making a Damaged USB Writable for Drive Genius?

Apologies for being (sort of) a repost from Unable to be Repaired & Further Problems but I had some further questions and I was worried they wouldn't be answered. I followed Froggard's advice and ...
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2answers
83 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
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1answer
42 views

Software Update Permissions error

This is a really weird one. Anytime I try to update any OSX items via System Update I get a bizarre permissions error. The screenshots tell the story... Here is my attempt to run the update: Here ...
0
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1answer
27 views

What would cause normal files to be hidden from the Finder but not the terminal?

I exported a set of photos from my wife's computer to mine over a WiFi share. I opened the directory in Finder and it said that there were 0 files. I know I've seen the Finder lag before on ...
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3answers
51 views

Upgraded to Yosemite, mkdir now says “permission denied”

I upgraded from OS 10.7.3 to 10.10.3. Now I get "permission denied" when I run mkdir on folders that I own and have full permission. For example : I own a folder called ...
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1answer
11 views

Changing ownership of .cpan

I'm getting back into Perl; several months ago I had to have a new hard drive installed and so had to start over again. When I try to update CPAN, I get this message: Your configuration suggests that ...
1
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1answer
54 views

Cannot create home folders on the server for network accounts

I have a problem with creating home folders on the server for network accounts. The goal is to share the same files on multiple devices. A quick overview of what I do: I go to the Server.app. I ...
1
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0answers
12 views

How do I share with different permissions from local host?

I want to create a user tvuser that has read access to a volume on my mac (Mountain Lion.) NO one else has network read access. At this point when I click sharing, enable AFP, Everyone, and Staff ...
0
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1answer
15 views

Mac OSX installer is disabled or not accessable

I have a persistent problem where my installer is not associated with pkg files. My installer is showing that is not available (See screenshots) In the past I have had to re-associate my pkg files ...
0
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0answers
26 views

jailbreaked /var/mobile/Media/DCIM/.MSIC/Incoming permission

i have changed the permission on /var/mobile/Media/DCIM/.MSIC/Incoming . now my camera cannot take picture. maybe picture is taken but can not write. i want to fix the permission issue. so somebody ...
1
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1answer
29 views

Access back-up of Pictures folder on network drive

I backed up the contents of an old Macbook which was probably running 10.5.8 by copying ~/Pictures and ~/Documents to a network drive, right before the laptop died with the click-of-death, which ...
0
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1answer
48 views

Why can a user on OS X open some directories of other users?

I run OS X Yosemite (10.10.3). From the sysadmin account, I created a standard account. This account can't open standard directories like Documents or Pictures in the admin’s user folder. It can ...
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0answers
108 views

Curiously removed permissions

I have a severe permissions' issue. I hope there are some really clever people out there, who might know how to solve this using the Terminal, expert-level hacking or in some really simple way so I at ...
1
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1answer
56 views

OSX default file permissions when copying/saving files

Every time I save a file from a web browser or copy files from our local server to my machine, the default permission "for everyone" is set to none. I'm a web developer. Files that are non-readable ...
0
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1answer
18 views

Modifing a preference via applescript changes file group

I recently request help about modifying firewall settings via command-line (see my previous question). Everything is working, but I have noticed that whenever I use this command in an applescript, the ...
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0answers
67 views

Cannot open jpegs in preview since upgrading to OS X 10.9.5

When I try to open JPEG in Preview since upgrading to OS X 10.9.5, I get the message: "The file couldn't be opened because you do not have permission to view it. To view or change permissions, select ...
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0answers
110 views

Mac as a kiosk: How to effectively whitelist apps with Parental Controls?

I have various Mac Minis that I use as kiosks. I set them up to have an admin account and a user account managed with Parental Controls, which the machine auto-logs into and runs my native app full ...
0
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0answers
104 views

Why can I open an app from Contents/MacOS/app but not by clicking the icon?

I have an application that is fully functional when opened from Show Package Contents > /Contents/MacOS/app however when I click the icon in the Applications folder the icon just keeps bouncing. ...
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0answers
87 views

How do I change the ownership of files backed up with Time Machine

I have a Mac which was reinstalled from scratch, and the owner accidentally changed her username when installing it. Current user id is "Jane" but old time machine backups were made when her user name ...
0
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1answer
96 views

Copy recursively files and folders, but preserving everything while gaining ownership?

I would like to copy files and folders recursively from an external drive to my internal SSD. However, when I drag and drop, and, subsequently, when I use the copied files, I am always asked to enter ...
5
votes
1answer
491 views

atd stopped working on OS X 10.10.3

I'm using OS X Yosemite, just updated to 10.10.3 and the at command and related (atq, atrm etc) have stopped working. Has atd been disabled in the latest 10.10.3? If so how do I investigate and ...
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0answers
48 views

How can I recover write permissions on an external drive after I upgraded my OS from 10.5 to 10.6.8?

Permissions were corrupted on one of my external drives shortly after upgrading my iMac from 10.5 to 10.6.8. Disk Utility recognizes the drive but will not allow permissions repair. How can I repair ...
3
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1answer
299 views

How can I avoid permission-related failures when importing in Photos.app via AppleScript?

The new Photos.app does not come with Automator support (although there are third-party actions available). It does, however, have some basic AppleScript support, including support for importing a ...
0
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2answers
91 views

How do I unlock a .plist file in /private/var/db/receipts so that I can change it?

I want to edit some com.myApp.plist. I'm running OS 10.10.3, and I do have Xcode installed. But every time I try to edit the file, it's locked and I can't save my changes. If I try to save it with ...
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0answers
40 views

Is it possible to use `tmutil delete` or another command to prune one file from multiple backups?

I'm having problems clearing our a backup drive. I want to get rid of a couple large files so I can preserve the other incremental backups. I can't use the tmutil delete command on entire backups ...
3
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1answer
161 views

Why do I need to “repair permissions” on my Aperture library in order to migrate to Photos?

After installing Apple Photos as part of the 10.10.3 update and attempting to migrate my Aperture library I get an error message about "permissions" on my Aperture library: What does this mean and ...
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0answers
49 views

Permission denied problem on just one NTFS folder

I have an old (Maxtor One Touch) 300G drive that years ago I used for backing up files from a Windows PC. It's NTFS. On my (MacBook Pro, Retina, 15-inch, Late 2013, Yosemite 10.10.2) system I can ...
1
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1answer
97 views

AFP can't write because of locked volume

I'm trying to write contents to my shared folders on my Raspberry Pi over AFP. However I keep getting the same error/warning regarding permissions and locked volume: I'm fairly sure permissions are ...
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2answers
129 views

How do I edit a 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 have ...
2
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0answers
51 views

How to figure out what is causing the ownership of usr/local to change from my-username to root

I use homebrew as a package manager for certain web development app. To keep brew up-to-date I run "update brew" every couple of days and also run "brew doctor." Usually, this is fine and brew tells ...
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0answers
83 views

iMac OS X Yosemite parental control keeps asking for permission while I already granted permission by always allow acces

I've setup up parental controls and granted unrestricted access to Youtube for example. But for some reason it keeps asking for permission for additional Url's to function properly. Is there ...
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0answers
79 views

Unable to overwrite some file formats via Share Drive

I have some files on a SMB-mounted shared drive. Filesystem is NTFS. Case 1: PSD (Photoshop file) I edited the Photoshop file in Photoshop CS5.5 (also tried Photoshop CC), select File > Save. For ...
0
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1answer
153 views

How to get correct file permissions from Macports pip installs?

Macports sets up the ownership of its Python site-packages directory as root.wheel with world-readable permissions. Python packages instally via port install have the same # ls -l -d ...
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0answers
95 views

Can't delete files from remote Buffalo drive, “Permission Denied”

There are several files on a remote Buffalo drive that I can't delete. I'm using a Mac (OSX 10.9.5) and Finder reports the drive's filesystem as "SMB (NTFS)". I have tried from the GUI and from ...
1
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1answer
40 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 ...
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0answers
68 views

How can I fix read-only permissions on the whole file system?

I was not able to save my screen shot, since it was giving me a error that file can not be saved because i do not have permissions. Then probably I made a mistake & right clicked Macintosh HD> Get ...
1
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1answer
172 views

How do I access the Volumes directory in Macintosh HD? [closed]

I am trying to get into the Volumes directory. Hidden files are being shown. However, the Volumes folder won't let me access it, it's "greyed out". How can I bypass this?
1
vote
2answers
182 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 ...
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0answers
27 views

Is it safe to `chgrp` of home folder from 'staff'?

I want to be able to share items from my home folder with another testing user account on the same machine. By default, the group of nearly all items in ~ is staff ... of which the only member is ...
2
votes
2answers
1k 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
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0answers
63 views

ACL doesn't give write permission over AFP unless duplicated

I have a Mac Mini running OS X Mavericks 10.9.5 with Server 3.2.2. My server set up has a single share point that 5 iMacs access via AFP using a domain name and individual accounts. Each iMac is ...
0
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0answers
173 views

Why can I not create a directory on my external hard-drive?

When I try to make a new directory on my external hard-drive I get a message saying that it is a "Read-only file system" LU06296APPLE:~ fortinok$ mkdir /Volumes/Seagate\ Backup\ Plus\ ...
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1answer
73 views

About repairing permissions in the mac mini

If one uses several different programs including the mac disk utility to repair permissions on the computer maybe 3 or 4 times in one day can this 'hurt' the computer or can one use these utility ...