HD Sharing and Permissions for User Wheel

In Macintosh HD, there was a user called "Wheel" - Read Only. Scared that my system was somehow compromised, I deleted it. Now I realize "Wheel" is some sort of system group. My questions are:
1) is this bad to have deleted it here?
2) will it reappear or if not, how can i get it back b/c i assume it serves some function
I found other posts that describe somewhat similar issues, but none talking about "wheel" being deleted off the HD. So my hope is that someone can help me answer this particular issue.
Thank you, Bill
ps The one thing i tried to do is repair disk permissions which didn't restore wheel to HD.

bc270 wrote:
hmm, i definitely didn't change any other permissions. but the i followed your last instruction, and HD is now back to admin read and write. thank you!
two questions: 1) do you think my computer could have been compromised?
most definitely not.
2) in other directories like library and system i still have wheel , is this ok?
yes. please don't change them. running repair permissions in disk utility will take care of wrong permissions on any other system folders.

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Hi, i think it depends who are you serving for, if you are just serving for a small office or home server or a big organization. The following quick thinking just came to me:
I think cups set automatically a system user of its own, and runs as it, so no trouble there. Cups also has the option to set users and it uses the system users as default, i think it depends in in how many printers/users your have in your server.Users that can manage cups are in the lp group.
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You should run the web server (owncloud ) as it own user, maybe you can manage to set something up for owncloud in the filesystem, but owncloud uses a database, and the users for owncloud are stored in there, and they are not system users.
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Last edited by hydrosIII (2014-11-06 06:26:45)

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In my library/sharing and permissions there are two users i do not recognize. One is called fetching and one is called wheel.

If I get info on my library I see under sharing and permissions a user called fetching and a user called wheel. I am not familiar with these users. Are they there for a reason?

I see this question was asked last Oct, and had gone unanswered.
I, too, have suddently noticed that all my folders on my external disk are giving permission to this "Fetching", and my system disk show permission for "Wheel".
It is gratifying to know more than one person is seeing this, but does it mean we are both being hacked by the same source, or is there some unexplained legitimate reason they are there?
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I'm using GoodSync (app) to synchonize several folders between my MacBook Pro Retina and my iMac daily, via a scheduled task. GoodSync is installed on the MBP and the folders that I'm syncing between the two are connected via network shared. (See screen shot --- this is from the MBP)
This method works, however in order to get everything to share properly, I had to set read and write permissions for all the groups (my username on the iMac, and the "everyone group") under Sharing and Permissions for every folder and it's contents. I'm concerned that "everyone" has the possbility to get into/ruin my files and folders. (see screen shot -- this is from the iMac)
Is there anyway I could assign my MBP's user account to come up under Sharing and Permissions in the Get Info window (on the iMac) for all the folders I'm syncing between the computer, that way I could give just the MBP or just the MBP's user account the permission to "Read and Write" (on the iMac)?
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You can create a sharing-only account in the users and groups system preferences, and use this as a means for establishing permissions and access to shared folders so syncing programs can access them. This account can be managed in the file sharing preferences just like any standard account, only that it does not have a local home folder and cannot be used to log into the system at the login window.

What does the term "Wheel" mean under sharing and permissions?

Hi Everyone,
When I select a folder (in Applications for example) and then click "get info", under the sharing and permissions section where accounts are listed with their respective permissions, the list usually starts with system or admin, then a term called "Wheel", then everyone. What is Wheel?
Screen shot 2009-10-09 at 3.46.58 PM
I have attempted to paste a screen shot here.
Any thoughts?
joe
Screen shot 2009-10-09 at 3.46.58 PM
Looks like I'm not having any luck pasting a screen shot...How does one do that?
Message was edited by: K9Lover

wheel is a system superuser group. By default only the root user belongs to it. Snow leopard has changed some permissions and now the preinstalled system apps in the main Applications folder have the group wheel (it was admin in Leopard). I don't know why they did it but this is now normal. where else do you see wheel?

Users and permissions for a small home server

Hello community,
I have been using Linux on the desktop for many years now, but unfortunately my knowledge about servers is very limited, almost non-existent. Therefore my question is most probably equally well fitting here and into the newbie corner.
I'm trying to set up a little home server which should be in charge of following tasks:
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- maybe a mail server in the long run (NSA, paranoia, etc. )
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Hi, i think it depends who are you serving for, if you are just serving for a small office or home server or a big organization. The following quick thinking just came to me:
I think cups set automatically a system user of its own, and runs as it, so no trouble there. Cups also has the option to set users and it uses the system users as default, i think it depends in in how many printers/users your have in your server.Users that can manage cups are in the lp group.
For nfs every user should have their home, samba is also a good option if you have windows computer in your network and it integrates better with graphical file managers like nautilus in the clients side, but it is a hassle to configure.
You should run the web server (owncloud ) as it own user, maybe you can manage to set something up for owncloud in the filesystem, but owncloud uses a database, and the users for owncloud are stored in there, and they are not system users.
You can configure ssh for local use only enabling the corresponding subnets in your /etc/sshd.conf and optionally but recommended you can set a firewall and permissions. You can use iptables but i prefer ufw for simple setup.
I think you should read the wiki:
https://wiki.archlinux.org/index.php/users_and_groups
and the other respective topics in the wiki.
Also as an advice i know that arch linux is a great distribution, but you have to do more work to mantain a stable server. I would recommend debian or another more conservative distro, but of course it is your choice.
Last edited by hydrosIII (2014-11-06 06:26:45)

What or who is "WHEEL" under Sharing and Permissions?

What or who is "WHEEL" under Sharing and Permissions?

This is a *NIX thing, by the way.
When I started fooling around with Linux back in the late 1990s as a hobbyist, I took my old i486 box and put Red Hat 7 on it. I've always spent a lot of time in the command line when using Linux (it's BASH, just like OS X) and that's one of the first things I remember thinking: "*** is WHEEL???"
Luckily there was this Internet thing. I asked, they answered.
*NIX-nerds are notoriously ironic - my favorite example is the "recursive naming" tradition like GNU ("GNU's Not Unix") - and you find little acerbic witticisms all through their userspace.
WHEEL is a group that provides higher admin privileges on the *NIX system.
There is this sacrilegious attitude toward EVER logging on directly as ROOT, and so they invent all sorts of sub-superuser privileged classes like that.
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Strange Sharing and Permissions and Admin Users question.

I am having problems printing and need to change the permissions and ownership on a library file
My directions were to:
[ The fiery cups filter needs ownership changed from admin to system (root) ]
My secondary question is I am making the assumption that when someone refers to my "system (root)" that this is the same as "my name (me)" Yes?
But my primary mystery question is
As I went to change the permissions on the above top topic I noticed I had four choices.
I am the only single user of this computer. My permissions are set to Administrator status.
I apparently had a guest account enabled but I don't remember turning this on.
On the get info window, at the bottom, under sharing and permissions, NAME and PRIVILEGE when I add - select a new user or group, I have:
My account "my name (me)"
"administrators"
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"everyone" is already there as a standard default.
*I don't know what the **** "firebird database" is. It shows as a single user account.* My guest settings were enabled to connect to my shared folders, which I have turned off. Is this "firebird" part of Apple code or has something been compromised without me knowing?
Anyone know? Thanks in advance.

Root or System ownership is not the same as you. You are a restricted user. Root is an unrestricted user.
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Firebird is a third-party database program that you must have installed. Obviously there is a problem with it. Either uninstall it or contact the developer for assistance.

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Hello everyone, i have a Netgear Stora NAS on my MAC, its located in the finder under shared, when i click on it i sign in with my user account and it gives me my folders to my stora, on one of my folder (Movies), i clicked get info and under sharing and permissions it told me i had custom access, i changed the privelages of the name,"Everyone" from no access, to read and write, when i did this, the name on tope of this (the main username) vanished. so ive been searhing on how to get my privelages back, i went to + and added new GROUP "admins" and it gave me my main username back but now with read only acess, when i try to change it to read and write it dissapears, PLEASE HELPPPPP, thank you!!!!
<Edited by Host>

I am not sure why you get that error. One thing you can do is a SMC reset then try to format it again. However that being said I'm not fan of WD external HD's primarily because we see a lot of troubles with them on Macs. Their internal HD's are fine so that narrows it down to their enclosures. If the problem persists I'd return the drive and buy one of the following:
OWC (www.macsales.com) Mercury Elite Pro series
Lacie Quadra d2 series
G-Tech G series
SMC RESET
• Shut down the computer.
• Unplug the computer's power cord and all peripherals.
• Press and hold the power button for 5 seconds.
• Release the power button.
• Attach the computers power cable.
• Press the power button to turn on the computer.
PRAM RESET
• Shut down the computer.
• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

Accidentally removed from,sharing and permissions the admin user,and now i do not when i find the home icon at my computer i do not have permmission,and the mac does not works properly,lots of question mark at the dock ,please help

accidentally removed from,sharing and permissions the admin user,and now i do not when i find the home icon at my computer i do not have permmission,and the mac does not works properly,lots of question mark at the dock ,please help

I'm going to assume that since you deleted your hard drive and all its files, you had a backup, yes? If the backup has an OS (bootable clone), then you can boot into it by holding down the option key when you start up you iMac and choose the backup drive. Then use Carbon Copy Cloner or Super Duper to copy the files back to your iMac.

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Hi，
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The first listed 'everyone' has custom access instead of read and write access.
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I'm not sure where to submit this, or if the Apple support community cares, but I swear there's an answer to this. I am on a Macbook Air using Lion 10.7.2
When I download the "NP_2020Player_IKEA.plugin" downloadable from this website http://kitchenplanner.ikea.com/AU/UI/Pages/VPUI.htm and try to mount the plug-in I get these errors...
1. letting me know that the Ikea plug-in can't be moved because internet plug-ins can't be modified. So I click "Authenticate".
2. Then I "Replace" and after this selection it's asks for the Administrator's password, and I give it.
3. I follow the directions of this prompt, but am unable to change all of the permissions to "Read and Write"..
4.Here is a screenshot of the "Get Info" window for the plug-in.
I am unable to change "staff" and "everyone" to "Read & Write".
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< Edited by Host >

HERE SHOULD BE YOUR SOLUTION:
Command+Space to bring up universal search, type in "Internet plug-ins"...
You may get multiple choices, one referencing OS-X Lion, perhaps one ref-ing your personal login...Choose one (I started with the main - OS X Lion - one)...it will open on your desktop...If you're like me (or like the Droitetgouche), you've already tried to install it, and it gave you all that crap about "can't be modified"...etc...So delete any of those plug-ins (there may be a few, depending how many installs you've tried), then right-click the "Internet Plug-ins" folder and choose "get info"...I'm not sure why "D...che" (spelling ease) couldn't change permissions...maybe wasn't logged in as the admin?...but click the "lock" symbol in the bottom right corner, unlock it, change ALL permissions to Read & Write, then relock it. Then open the IKEA dmg again and drag the item into the folder and it should work no problem.
Then quit Safari, restart, and it should let you work.
IF it doesn't, try going back to your universal search and choosing a different "Internet Plug-ins" folder...(Also, if you've tried the install, and you don't find any IKEA dmg's in the "Internet Plug-Ins" folder, you're likely in the wrong folder).
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It worked for me, let me know if it works for you.

HD Sharing and Permissions for User Wheel

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