File permissions and ownership questions

Hi all,
I'm a bit confused by the file permissions in Snow Leopard. In particular, whenever I create a folder, there is always a group permission assigned to "staff".
1) how is "staff" different from "everyone"?
2) how come if I remove the group permission for "staff", I can't add it back? It doesn't seem like the "staff" group actually exists (it doesn't show up in the user/group dialog)
And finally, does anyone know why ownership is so weird on removable drives? It seems like the "owner" of a folder created an a removable drive is just whoever is logged in at the time. So, if I log in as UserA and do an ls, I see the owner as UserA. If I log in as UserB, I see the owner as UserB.

bmm727 wrote:
Hi all,
I'm a bit confused by the file permissions in Snow Leopard. In particular, whenever I create a folder, there is always a group permission assigned to "staff".
1) how is "staff" different from "everyone"?
staff is the default group that includes all users with accounts on your computer. everyone means everyone including remote users connecting as guests if you have file sharing on who don't have user accounts on your computer.
2) how come if I remove the group permission for "staff", I can't add it back?
in short, because GUI for changing permissions is really messed up in snow leopard.
It doesn't seem like the "staff" group actually exists (it doesn't show up in the user/group dialog)
it does exist, it's just not offered as an option in that dialog. see my comment above about GUI being messed up.
Furthermore, please never delete staff from permissions this way. on top of being messed up GUI for changing permissions is buggy in snow leopard and when you remove staff from permissions that way the group on the item in question changes from staff to wheel (which is why you have to unlock the lock with your admin password in order to do this). this is wrong in most instances as only root belongs to the group wheel.
And finally, does anyone know why ownership is so weird on removable drives? It seems like the "owner" of a folder created an a removable drive is just whoever is logged in at the time. So, if I log in as UserA and do an ls, I see the owner as UserA. If I log in as UserB, I see the owner as UserB.
it's not true for all removable drives. it's only true if a drive has ownership disabled (can be done in the get info popup) or if it's formatted FAT. all thumb drives are formatted FAT by default. FAT is an old windows file system which does not understand POSIX permissions and treats everything as read+write by everybody.

Similar Messages

File permissions and ownership in the /Applications directory

Hello,
I've noticed that the application files in /Applications have a mix of the following ownerships:
root:admin
myusername:admin
501:admin
I understand that 501 refers to the first user created, however the current username that I use is not the first one that was created.
I find that often when I am deleting an app, I am prompted for a password.
I also just tried to edit a text file in an application subdir and could not save the changes due to lack of permission. The owner was 501 and I had to use sudo to chown it.
What is the ownership supposed to be on all of these files?
-Travis

Travis B wrote:
So the real oddity is that there are thing in there that are owned by 501 and tbarth? They should all be root?
No. Only those applications that were installed by a correctly designed installer should be owned by root. That is a fairly small subset of all current applications. Most applications will be owned by whomever dragged the application into the Applications folder.
Should I chown them all to root:admin? Or root:root? Or just leave it all as is...
I think you should leave them. Regardless of who owns them, you don't need to be creating any text files in there.
Please be clear on this fact: if you do any sort of chown or chmod on anything in /Applications you are running a distinct risk of rendering your system inoperative.

File permission and ownership problem

I am trying to resolve some file permission and ownership problems that are left over from using Migration Assistant to set up my iMac from an older iMac. In a terminal session when I use the ls -l command I'm getting a file/directory owner of 504. Sometimes the group is admin and sometimes the group is also 504. I think this is because the owner of the file on the old computer is not present in the new one but I want to be sure before I just change the owner and group.

The following should give you an indication->
id -un 504
or you could try->
dscl . list /Users UniqueID | grep 504 && echo "User exists" || echo "User does not exist"

File permissions and Adobe Software

We have a problem with file permissions and adobe software. In Illustrator and Photoshop I can open files from the 10.4.7-server that are opened by another user at the same time and in Indesign, in the contrary, I cannot open any file on the server. Always error "no rights" or "is opened by another user", also if logged in as admin.
In MS Word for Mac we have no problem, if a file is open (Word) and I try to open the same file on another workstation, error "is open" is showed correctly. We have 3 10.4.7-Workstations and a 10.4.7-server on a G4/800. Can anyone help?

Assuming you're connecting via AFP, this may help:
1. Start with current updates: Update your client and server software to version 10.4.8. Update Photoshop CS2 to 9.0.2, Illustrator CS2 to 12.0.1, and InDesign CS2 to 4.0.4.
2. In Illustrator and Photoshop I can open files from the 10.4.7-server that are opened by another user at the same time.
This is actually not normal. Instruct your users to avoid opening files simultaneously, as this will result in lost data.
If you have SMB/CIFS access to the same share point, disable oplocks; allow only strict file locks.
If you've disabled the lock manager for AFP, re-enable it. It's enabled by default in /Library/Preferences/com.apple.AppleFileServer.plist.
3. For InDesign documents that won't open, delete their corresponding lock files. Whenever InDesign CS or CS2 opens an .indd or .inx file, it creates a corresponding .idlk file that simply serves to flag the .indd/.inx file as open. If File.indd won't open, locate and delete File.idlk and try again. The lock file will be stored in the same folder as the document.
4. Double-check your file permissions. Start by verifying the filesystems (Disk Utility/First Aid tab/Repair Volume button) of the server volume that houses the affected share point(s). You'll have to disable sharing to do so.
Ensure that your permissions are correct, and adjust them as necessary. Consider using an ACL to apply read/write access for users or groups, because ACLs offer the superior inheritance model. See my ACL Tips post (http://discussions.apple.com/click.jspa?searchID=-1&messageID=1732788) if you haven't already.
You may also find my posting regarding permission assignments and changes for newly-created items, copied items, or moved items: http://discussions.apple.com/thread.jspa?threadID=654236&tstart=30
--Gerrit

Can't boot into OS X.6 after changing permissions and ownership

Hi,
I'm in the process of migrating to OS X.7 - booted into Lion I changed permissions and ownership on the other disk that I use to startup into OS X.6. I set it to "ignore ownership on this disk" and granted read and write access to "everybody". Restarting my Mac into OS X.6 now doesn't work anymore - the grey spinning circle spins forever.
Does anybody know how to fix this so that I can boot back into OS X.6? I'd be real thankful...
Best
Jurgen

Thank you for your reply. I was able to repair permissions on the failing disk using the OS X.7 Lion recovery volume - quite amazing that one can do that.
However the internal disk of the iMac that has OS X.6 on it still fails to boot.
Any other suggestions? I'm a bit desperate to use OS X.6 because a few apps that are vital to me do not run under OS X.7 (they need Rosetta).

Problems with file permissions and authorization/authentication and hostname (using ddns)

hey guys!
decided to rewrite this entire question...it was too hard to understand what i want.
I have a student version of server 2012 r2. I installed like 50 roles, and then deleted 90% of them. i have....a bunch of webserver roles, almost all of them i bet, and misc others. no AD or dns roles..i deleted those i thought they might have been the problem.
I connected this to a dynamic dns courtesy of No-ip.com. example.ddns.net
when installing a blog or cms, and I am asked for the server name (for database) do i use localhost, 192.168.1.###, my router ip, computer name, example.ddns.net, or something else?
Same question above for iis bindings! What do i put for the host?
secondly, what file permissions do i set up? I can't seem to access umbraco, for example, from outside the network unless i use windows admin credentials in the physical path credentials via IIS advanced options.

Hi,
The issue is related to IIS, I suggest you ask for help from IIS forum for better and accurate answer to the question.
http://forums.iis.net
Best Regards,
Mandy
We
are trying to better understand customer views on social support experience, so your participation in this
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Serious trouble with permissions and ownership

My archive/install/Migration Assistant upgrade to Leopard has turned into a nightmare concerning 'ownership' of my files and hard drives.
To make a long story short, after many many problems wherein files and drives were 'owned' by me but unaccessible to me (often with two ownership qualities attributed to me- one "Read & Write" and the other "Custom", a situation I could not edit or change) I restarted with the installer disc and repaired permissions on my Leopard startup partition. It took several hours and went through thousands of files identifying "ACL" problems.
Now all my drive icons except for my startup disc have locks on them and I can't write to them even though I supposedly have permission. Carbon Copy Cloner fails to copy to the locked drives*.
This situation now obtains EVEN WHEN I BOOT IN TIGER: my drives have little lock icons on them. I thought I could revert to Tiger to fix this, but apparently I'm stuck. I need to know how to "unlock" my drives (and eventually return to Tiger).
Information on a drive with the lock icon, from Disk Utility (10.4.10):
Name : Files
Type : Volume
Disk Identifier : disk0s3
Mount Point : /Volumes/Files
File System : Mac OS Extended (Journaled)
Connection Bus : Serial ATA 2
Partition Type : Apple_HFS
Device Tree : /PCI0/SATA@1F,2/PRT0@0/PMP@0/@0:3
Writable : Yes
Universal Unique Identifier : 7975DD60-83DD-39BC-99BC-7C5DF1072F8B
Capacity : 122.1 GB (131,088,871,424 Bytes)
Free Space : 48.0 GB (51,527,860,224 Bytes)
Used : 74.1 GB (79,561,011,200 Bytes)
Number of Files : 70,994
Number of Folders : 5,440
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : No
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
* Typical CCC log entry after failing to copy:
03:53:58 The target volume has ownership enabled.
03:53:58 Enabling Access Control Lists on the target volume...
03:53:58 The target volume has Access Control Lists enabled.
03:53:58 Authenticating...
03:53:58 Initiating synchronization engine...
03:53:58 Preparing to copy, total items to consider: 8
03:53:58 Build time: 0.013
03:53:58 Copying files...
03:53:58 rsync: recv_generator: mkdir "/Volumes/Files/Users" failed: Operation not permitted (1) (51)
03:53:58 rsync: Some errors were encountered during the backup., Error code: 51

Email sent. Many thanks.
The Terminal output:
Last login: Thu Nov 1 11:27:35 on console
Macintosh:~ etnier$ cd /
Macintosh:/ etnier$ ls -le
total 40997
drwxrwxr-x+ 121 root admin 4114 Oct 31 09:04 Applications
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
-rwxrwxrwx@ 1 root admin 10240 Oct 31 13:24 Desktop DB
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
-rwxrwxrwx@ 1 root admin 10850 Oct 30 05:28 Desktop DF
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxr-t+ 58 root admin 1972 Oct 29 18:30 Library
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x@ 2 root wheel 68 Oct 29 11:34 Network
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx+ 4 root admin 136 Oct 29 11:03 System
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
lrwxrwxrwx+ 1 root admin 60 Oct 29 10:18 User Guides And Information -> /Library/Documentation/User Guides and Information.localized
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x+ 6 root admin 204 Oct 29 15:44 Users
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwt@ 12 root admin 408 Nov 1 11:27 Volumes
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 4 root admin 136 Oct 29 10:17 automount
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x@ 40 root wheel 1360 Oct 29 10:59 bin
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxr-t@ 2 root admin 68 Dec 7 2006 cores
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
dr-xr-xr-x 2 root wheel 512 Nov 1 08:49 dev
lrwxr-xr-x@ 1 root admin 11 Oct 29 10:59 etc -> private/etc
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
dr-xr-xr-x 2 root wheel 1 Nov 1 08:50 home
lrwxrwxrwx@ 1 root admin 9 Oct 29 10:14 mach -> /mach.sym
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
-rw-r--r--@ 1 root wheel 10243756 Oct 10 00:38 mach_kernel
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
-rw-r--r--@ 1 root wheel 10696809 Oct 10 00:38 mach_kernel.ctfsys
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
dr-xr-xr-x 2 root wheel 1 Nov 1 08:50 net
drwxr-xr-x@ 6 root wheel 204 Oct 29 11:05 private
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x@ 66 root wheel 2244 Oct 29 11:02 sbin
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
lrwxr-xr-x@ 1 root admin 11 Oct 29 10:59 tmp -> private/tmp
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x@ 11 root wheel 374 Oct 29 12:23 usr
0: user:etnier allow list,addfile,search,add_subdirectory,deletechild,readattr,writeattr,readextattr,writeextattr,readsecurity
lrwxr-xr-x@ 1 root admin 11 Oct 29 10:59 var -> private/var
0: user:etnier allow read,write,append,readattr,writeattr,readextattr,writeextattr,readsecurity
Macintosh:/ etnier$
Macintosh:/ etnier$ cd /Volumes
Macintosh:Volumes etnier$ ls -le
total 8
drwxrwxrwx+ 14 root admin 544 Oct 31 08:45 BAKS
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxr-xr-x@ 38 etnier etnier 1360 Nov 1 03:39 Files
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 58 etnier etnier 2040 Oct 29 18:30 Junk 1
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 52 etnier etnier 1836 Oct 30 09:02 Junk 2
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 31 etnier etnier 1122 Oct 31 09:31 Junk 3
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 93 etnier etnier 3230 Oct 31 09:03 Junk 4
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 20 etnier etnier 748 Oct 31 09:03 Junk 5
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 83 etnier etnier 2890 Oct 31 09:03 Junk 6
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
drwxrwxrwx@ 35 etnier etnier 1258 Oct 29 14:43 Junk 7
0: user:etnier allow list,addfile,addsubdirectory,readattr,writeattr,readextattr,writeextattr,readsecurity
lrwxr-xr-x 1 root admin 1 Nov 1 08:50 Macintosh HD -> /
Macintosh:Volumes etnier$

Aperture Exporting JPEG's from RAW: file size and quality questions?

Hey Everyone,
So, I'm using Aperture 2 and I've got some questions about exporting from RAW to JPEG. I shoot with a Nikon D70 so original RAW files are 5-6mb in size. After doing some basic post processing when I export the pics at "full size" with picture quality of 11 out of 12 then the resulting JPEG is about half the file size of the original RAW file. For example a 5.6mb RAW becomes a 2.6mb JPEG. The resolution in pixels per inch and and the overall image size remain unchanged. Have I lost picture quality due to the exporting JPEG being smaller in file size?
My friend who works with me prefers to edit in Photoshop and when he follows the same workflow his saved JPEG from the identical RAW file in Photoshop is minimally smaller in file size, say 5.6mb to 5.3mb. He's telling me that my Aperture edited photos are losing quality and resolution.
Is he right, are my pics of lesser quality due to being a smaller file size? I've always been told that the quality of a picture is not in the mbs, but the pixel density.
I've bee told that Aperture has a better compression engine and that the resulting files are of the exact same quality because the PPI and image size are the same. Is that what explains the much smaller file sizes in Aperture?
I tried changing the picture quality in the export menu to 12 out of 12, but the resulting JPEG then becomes larger than the original RAW at over 7mbs.
Can someone please help me understand this better? I don't want to lose picture quality if that is indeed what is happening.
Thanks in advance for your help.

mscriv wrote:
So, I'm using Aperture 2 and I've got some questions about exporting from RAW to JPEG. I shoot with a Nikon D70 so original RAW files are 5-6mb in size. After doing some basic post processing when I export the pics at "full size" with picture quality of 11 out of 12 then the resulting JPEG is about half the file size of the original RAW file. For example a 5.6mb RAW becomes a 2.6mb JPEG. The resolution in pixels per inch and and the overall image size remain unchanged. Have I lost picture quality due to the exporting JPEG being smaller in file size?
JPEG is a "lossy" file compression algorithm. Whether Aperture or PS, *every time a JPEG is saved some loss occurs*, albeit minimal at the 11 or 12 level of save, huge losses at low save levels. Some images (sky, straight diagonal lines, etc.) are more vulnerable to showing visible jpeg artifacts.
My friend who works with me prefers to edit in Photoshop and when he follows the same workflow his saved JPEG from the identical RAW file in Photoshop is minimally smaller in file size, say 5.6mb to 5.3mb. He's telling me that my Aperture edited photos are losing quality and resolution.
*Both of you are losing image data when you save to jpeg.* IMO the differences between the apps is probably just how the apps work rather than actually losing significantly more data. The real image data loss is in using JPEG at all!
Is he right, are my pics of lesser quality due to being a smaller file size?
I doubt it.
I've always been told that the quality of a picture is not in the mbs, but the pixel density.
The issue here is not how many pixels (because you are not varying that) but how much data each pixel contains. In this case once you avoid lossy JPEG the quality mostly has to do with different RAW conversion algorithms. Apple and Adobe both guess what Nikon is up to with the proprietary RAW NEF files and the results are different from ACR to Apple to Nikon. For my D2x pix I like Nikon's conversions the best (but Nikon software is hard to use), Aperture second and Adobe ACR (what Photoshop/Bridge uses) third. I 98% use Aperture.
I tried changing the picture quality in the export menu to 12 out of 12, but the resulting JPEG then becomes larger than the original RAW at over 7mbs. Can someone please help me understand this better? I don't want to lose picture quality if that is indeed what is happening.
JPEG is a useful format but lossy. Only use it as a _last step_ when you must save files size for some reason and are willing to accept the by-definition loss of image data to obtain smaller files (such as for web work or other on-screen viewing). Otherwise (especially for printing) save as TIFF or PSD which are non-lossy file types, but larger.
As to the Aperture vs. ACR argument, RAW-convert the same original both ways, save as TIFF and see if your eyes/brain significantly prefer one over the other. Nikon, Canon etc. keep proprietary original image capture data algorithms secret and each individual camera's RAW conversion is different.
HTH
-Allen

SVN Source - File permissons and format issues

Hi,
I checked out source from svn repository and tried to build, permissions on files are wrong, is it SVN doing or repository have files with that permission?
I also noticed, tomcat sh files have again wrong permission (no execute or read) and also in dos file-format, which means it would throw ": bad interpreter: No such file or directory" error, if executed on *nix boxes. I have to convert those using dos2unix..
BTW! things failed even when I was trying using sudo...

On Thursday 28 Feb 2008, Abdul Qabiz wrote:
> Hi,
I checked out source from svn repository and tried to build,
> permissions on files are wrong, is it SVN doing or repository have files
> with that permission?
Wrong in what way ? On which files ? On what O/S ? What SVN revision ?
> means it would throw ": bad interpreter: No such file or directory" error,
> if executed on *nix boxes. I have to convert those using dos2unix..
I had no such problems in my SuSE or Unbuntu Linux boxes.
Tom Chiverton, stupid web forum
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Library Share Permissions and Ohter Questions

I am setting up Library Server and want to know little bit about it:
1. What are the permissions required on the share of library server? which service accounts, computer accounts or cluster objects to add? and what permissions?
2. Is there any limitation with respect to name of the share that it should not have any spaces in the name?
3. Is there any limitation as how many folders inside a folder would be listed in the console? I have around four folders inside the main shared folder and only two are showing in the console. Can it only contain packages or single file
and not extracted ISO images? The folders inside the main shared folder that is showing only shows bit of the actual content of the folder.
Thanks in advance.

Thanks for the replies.
1. But, when we create a folder and share it to be seen by the VMM Console, with what permission should be shared i.e. everyone read only or vmm admin account read only, etc.
2. So, it is better to use underscores on all folders at least just to be safe. correct me if I am wrong.
3. Actually, I have made a folder of Setups which has folders like applications, operating systems and drivers, etc. folders with respective content in them. When I am adding it as library share, it shows some of
the content not all of it. Should I just add .cr to the parent Setup folder or all the folders inside it?

File Permissions and security - sharing with FW externally booted Linux

I want to be able to access my Music folder and others on my Powerbook's internal HD from my Linux OS (Kubuntu 9.04) which boots from an external Firewire drive.
It worked fine when I changed the permissions in "Others:" to "Read Only", but I am afraid that this makes me vulnerable to having files stolen so I changed it back... Am I correct in assuming this?
Is there a way that I can add Read/Write permissions to my Linux user account?
Thanks ahead of time.

I did this with NFS, but I haven't tried it from a shared harddrive.
how should I do if I want the permissions to work in both OSes?
You can change the permissions of files and directories in either OS.
I suggest that you make a complete backup of your system. You should create a second administrator account from which you use to change your original account. You should log out your original account before proceeding.
Mac OS X ... harddrive -> Applications -> Utilities -> terminal
Ubuntu ... Applications > Accessories > Terminal
Your current user is:
echo $USER
Let's assume myuser
To find out your UID and GID do:
ls -ln
ls -l
Or, you can use the id command.
id
compare the output and write down what you find.
You best use the numeric value for your userid. In this case it is 500. To list all the files owned by a userid do:
sudo find / -user 500 -exec ls {} \;
# adding a -x before the / limits the search to the current file system.
Mac OS X ... harddrive -> Applications -> Utilities -> NetInfo Manager
In the middle column is the function. Pick users then select your user. Click on the lock at the bottom of the panel. Go into the property list and change UID and GID.
In the Ubuntu terminal,
man 5 passwd
... will give you the format of the passwd file.
sudo nano /etc/passwd
... the format is user-name, password, uid, gid, ...
control-o
... to save
control-x
... to quit
The groups are defined in /etc/group
cat /etc/group
Now change the UID and GID of all files:
You best use the numeric value for your userid. In this case it is 500.
sudo find / -user 500 -exec chown 1100:211 {} \;
/* Where chown has the format of chown uid:gid file-name */
/* adding -print before -exec lists the files that will be changed. */
/* You may want to leave off :211 if your uid & gid are not paired. */
/* Notice the -exec runs another command on the found file. */
sudo find / -group 20 -exec chgrp 211 {} \;
On the Mac you get into single user mode by holding down command-s when you poweron your machine. Just in case you run into problems.
On Mac OS, there are a few files that have the old uid as part of their names. The .Trashes file will be only removal media and maybe everywhere.
/.Trashes/501
/Library/Caches/com.apple.IntlDataCache.501
/Library/Caches/com.apple.IntlDataCache.sbdl.501
/Library/Caches/com.apple.user501pictureCache.tiff
On Linux, there are a few files that have the old user name as part of their file and folder names:
Here is another explaination of the procedure. ( It misses some file because the auther checks only the most likely places.
http://lissot.net/netinfo/change_user.html
Robert

Shared file system and other questions

Hi,
 Is shared file system common for all WL in the cluster or each WL has its
 own one.
 Next questin is connected with proxy server.
 I'm not sure if there should be one proxy server for two servers working in
 one cluster or each server should has own proxy server (I mean WL proxy
 server).???
 In my opinion there should be one proxy server which redirect requests to
 server in cluster using some balancing method. But when I read documentation
 about cluster's architectures I saw the picture where each WL cluster server
 had proxy own server. I'm not sure if this picture showed only outline of
 architecture or it was real solution???
 Is it better to install another proxy server (for example Apache) than WL
 proxy server?
 In previous questions I asked if it is possible to replic static classes,
 fields etc. Prasad Peddada told that it is not replicated. But I wonder if
 there exists some method to force replicating it.? Maybe we can implement
 some method and run it?
 Thanks,
 Best regards,
 Robert


Mike.
 In WLS51 cluster, it is better to specify different workingDir for each
 server. You can create a weblogic.properties in your per-server directory
 and add jspc properties in that file.
 Cheers - Wei
 "Mike Reiche" <[email protected]> wrote in message
 news:[email protected]...
 >
 > If you share directories between instances -
 > what happens when two WL instances decide to compile
 > the same JSP at the same time?
 >
 > Mike
 >
 >
 > Viresh Garg <[email protected]> wrote:
 > >
 > >
 > >
 > >
 > >"Robert Zaczyñski" wrote:
 > >
 > >> Hi,
 > >> Is shared file system common for all WL in
 > >the cluster or each WL has its
 > >> own one.
 > >
 > >I am not sure I understand your question. We
 > >recommend using shared file system
 > >for ease of maintanence and to get rid of pain
 > >for versioning problems for
 > >application code. It is not a requirement of
 > >WLS cluster. I really don't
 > >understand what you mean by
 > >"Is shared file system common for all WL in
 > >the cluster or each WL has its
 > >own one
 > >"
 > >
 > >>
 > >>
 > >> Next questin is connected with proxy server.
 > >> I'm not sure if there should be one proxy
 > >server for two servers working in
 > >> one cluster or each server should has own
 > >proxy server (I mean WL proxy
 > >> server).???
 > >> In my opinion there should be one proxy server
 > >which redirect requests to
 > >> server in cluster using some balancing method.
 > >But when I read documentation
 > >> about cluster's architectures I saw the picture
 > >where each WL cluster server
 > >> had proxy own server. I'm not sure if this
 > >picture showed only outline of
 > >> architecture or it was real solution???
 > >
 > >One or more proxy servers can be used. One is
 > >just fine, however you **might**
 > >want to use multiple proxies for heavily loaded
 > >application to avoid contention.
 > >All proxy servers will load balance between
 > >all servers in clsuter. a proxy
 > >servers is not attached or bound to an instance
 > >in cluster.
 > >
 > >>
 > >>
 > >> Is it better to install another proxy server
 > >(for example Apache) than WL
 > >> proxy server?
 > >>
 > >> In previous questions I asked if it is possible
 > >to replic static classes,
 > >> fields etc. Prasad Peddada told that it is
 > >not replicated. But I wonder if
 > >> there exists some method to force replicating
 > >it.? Maybe we can implement
 > >> some method and run it?
 > >
 > >I would recommend that for static classes, you
 > >use context parameters of web
 > >application or something similar, why do you
 > >need to replicate them. WHy not
 > >each cluster instance have a local copy and
 > >use their own copy for such
 > >classes/fields?
 > >
 > >>
 > >>
 > >> Thanks,
 > >> Best regards,
 > >> Robert
 > >
 > >Viresh Garg
 > >Principal Developer Relations Engineer
 > >BEA Systems
 > >
 > >
 > >
 > ><!doctype html public "-//w3c//dtd html 4.0
 > >transitional//en">
 > ><html>
 > >
 > >"Robert Zaczyñski" wrote:
 > ><blockquote TYPE=CITE>Hi,
 > > Is shared file system common for all WL
 > >in the cluster or each WL has
 > >its
 > > own one.</blockquote>
 > >
 > > I am not sure I understand your question.
 > >We recommend using shared
 > >file system for ease of maintanence and to get
 > >rid of pain for versioning
 > >problems for application code. It is not a requirement
 > >of WLS cluster.
 > >I really don't understand what you mean by
 > > "Is shared file system common for all
 > >WL in the cluster or each
 > >WL has its
 > > own one
 > > "
 > ><blockquote TYPE=CITE>
 > >Next questin is connected with proxy server.
 > > I'm not sure if there should be one proxy
 > >server for two servers working
 > >in
 > > one cluster or each server should has own
 > >proxy server (I mean WL proxy
 > > server).???
 > > In my opinion there should be one proxy
 > >server which redirect requests
 > >to
 > > server in cluster using some balancing method.
 > >But when I read documentation
 > > about cluster's architectures I saw the
 > >picture where each WL cluster
 > >server
 > > had proxy own server. I'm not sure if this
 > >picture showed only outline
 > >of
 > > architecture or it was real solution???</blockquote>
 > >
 > > One or more proxy servers can be used.
 > >One is just fine, however
 > >you **might** want to use multiple proxies for
 > >heavily loaded application
 > >to avoid contention. All proxy servers will
 > >load balance between all servers
 > >in clsuter. a proxy servers is not attached
 > >or bound to an instance in
 > >cluster.
 > ><blockquote TYPE=CITE>
 > >Is it better to install another proxy server
 > >(for example Apache) than
 > >WL
 > > proxy server?
 > >In previous questions I asked if it is possible
 > >to replic static classes,
 > > fields etc. Prasad Peddada told that it
 > >is not replicated. But I wonder
 > >if
 > > there exists some method to force replicating
 > >it.? Maybe we can implement
 > > some method and run it?</blockquote>
 > >
 > > I would recommend that for static classes,
 > >you use context parameters
 > >of web application or something similar, why
 > >do you need to replicate them.
 > >WHy not each cluster instance have a local copy
 > >and use their own copy
 > >for such classes/fields?
 > ><blockquote TYPE=CITE>
 > >Thanks,
 > > Best regards,
 > > Robert</blockquote>
 > >
 > >Viresh Garg
 > > Principal Developer Relations Engineer
 > > BEA Systems
 > > </html>
 > >
 > >
 >

File name and place question.

How would you file the following. I have a series to edit, so for example you have "Show 1" and within this you have V.1, V.2 and V.3.All 3 versions share the same beginnings, but are then different from half way through. You also have 2 sources of HDV from different cameras.
Does this make sense? I have been opening a scratch folder for say "Show 1" and then within that folder opening 2 more folders named "Cam 1" and "Cam 2" and then sending the appropriate HDV footage to these folders.
Does the fact that these folders are "Scratch" folders have any technical significance over and above any other type of folder?

I would make a separate project for each show in the series. This will automatically create a separate folder inside capture scratch for each show. All the media for that show should go into that folder.
The problem occurs when you have media that's shared in multiple shows. There are different ways to do this, but it depends a great deal on the specifics of your series and how you work. There is no one way to do this.

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I know Itunes is a media player, but does it also hold the files. Mostly for grins, I tried to copy a talk in Itunes to another folder and it would not let me. Is it true it does not allow for this?
I gather that for music it is one-way synching, from (in my case) the MBP to the (in my case) Iphone. If I want to delete something from the Iphone and have to uncheck it on the computer and resynch?

"I gather that for music it is one-way synching, from (in my case) the MBP to the (in my case) Iphone."
Correct.
"If I want to delete something from the Iphone and have to uncheck it on the computer and resynch?"
Correct.
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Customize alerts on ALERT.log file? And another question

We just setup and have started to use Grid Control. So far, I have been very pleased with what I have seen.
Just some questions though.
Is there a way to customize the "Generic Alert Log Error Status"?
Can we have exclusions for that alert? We get are getting messages on alerts for a bug that exists in one of our DB's. If we can some how exclude this particular error, that would be great. That possible?
Secondly, can you schedule checks on a database to check the state of the database? This is something I would like to do if possible.
THanks.

Go to targets - databases - <database>
On this page on the left side, you'll see a heading "Diagnostic Summary"
The you'll see something like:Alert Log <date>
Click on the date, go to the bottom of the page and click on "Generic Alert Log Error Monitoring Configuration"
Here you can configure exactly what alert log messages you want.
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