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

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0
votes
2answers
3k views

System Extensions Cannot Be Used Error

When installing certain software, usually anything printer related, I receive this error System extension cannot be used The system extension "/System/Library/Extensions/Belcarra. ...
1
vote
3answers
5k views

Why can't I send my files to the Trash?

When I try to delete some items, whether from the keyboard (Command+Delete) or by dragging to the Trash on the dock, I get a message informing me that I can only permanently delete the item. Why is ...
5
votes
1answer
510 views

How to allow a group to access a folder?

I want to allow the _www group to write to a folder. I clicked on the folder to go to the "Get Info". At the bottom there is a "Sharing & Permissions" section with a "+" to add users. However it ...
0
votes
3answers
479 views

Is “ignore volume ownership” the default for non-system partitions?

I realise it is the default for external drives but not sure about other partitions on a users system drive. I don't have separate partitions on my machine so I can't look for myself ;-)
39
votes
9answers
80k views

How can I copy files from my Mac to PC via Microsoft Remote Desktop?

I installed Microsoft's Remote Desktop and connected to a PC. How can I share files between my Mac and PC? When I use RDP on Windows, I can simply add a file to the clipboard and paste it inside the ...
2
votes
2answers
302 views

Deleted hash files; can't login anymore!

I've deleted the two hash files in the folder /private/var/db/shadow/hash/, corresponding to my login account. Now, I cannot login, and don't have any other account on my Mac with sudo permissions. ...
2
votes
2answers
791 views

How to fix a file that's read-only despite showing correct permissions

A file copied from a NTFS share has become read-only, other files in the same folder are OK. Finder's Info says in the Sharing & Permissions: You can only read Name Privilege myname ...
3
votes
2answers
5k views

How to make iPhoto library back into bundle

I recently recovered from a disk failure and while most of my files are ok, I'm having trouble with my iPhoto library. While it appears that the data fro the iPhoto library is intact in the recovered ...
1
vote
4answers
2k views

repaired disk/permissions, now imac won't boot into login

My iMac has been running horrendously slow the past couple days, so I booted into the Snow Leopard CD and ran a disk repair and a permissions repair. Now I can't get past the spinner. It's been ...
18
votes
2answers
19k views

Permissions for new files in shared directory

We just got a new iMac are using the /Users/Shared directory to store media assets (pictures, audio, video) that we want accessible to all users on the machine. After copying over all the files ...
3
votes
2answers
242 views

How to make new certificate recognised?

We have a large number of Mac Minis that are running a piece of software that we have developed and have been distributed to various clients. We recently updated our code signing certificate as the ...
2
votes
3answers
185 views

Seeing current permissions for a file?

How can I see the permissions for a file (e.g. if I want to recreate those permissions for another file using chmod)? For example after I run chmod 644 on foo.txt, what command, if any, can I run on ...
48
votes
5answers
43k views

Why am I getting a “dubious ownership of file” error when Launch Agent runs my .plist file?

I have a Launch Agent configured to run a .plist file for example: /Library/LaunchAgent/foo.plist. Inside this .plist, it is set to run during LoginWindow and Aqua. When I attempt to launch my ...
3
votes
2answers
980 views

Installing mc (midnight commander) without root access?

How do I do that? The normal installers (with .pkg files) ask for a root password. It is possible to run normal mac software without root access, but how do I run and install this shell software?
62
votes
5answers
63k views

Are my permissions for /usr/local/ correct?

I’m using HomeBrew for my port needs (seems a bit “cleaner” than MacPorts). I can install without sudoing (which is great), but the man linking step seems to require it (/usr/local/share/man/man3 ...
3
votes
4answers
643 views

Why Has the “Downloads” folder become Read-Only?

Recently my Downloads folder has become read-only. This prevents Safari form saving any file amongst other annoyances. As you can see from the below image the folder is read-only but I have plenty of ...