[Brains-users] 10_ACPC directory & permission error

[Eugene Zeien]

Hopefully, someday, the standard workup group will be pulled out into
the brains2 configuration files  /opt/brains2/bin/brains2rc, ~/.brains2rc
Until then, if the complaint is really annoying, you can hack some code ;-)

> Dated:  March 7, 2006
> I was unable to find an occurrence of 'chown' in the current brains2 source code.
> Unfortunately, there are still a couple of 'chgrp' commands that are dependent
> upon the existence of group 'stdwkup' and the user's inclusion in that group.
> 
> Rather than use 'sudo' to run brains2, you can safely ignore the complaint.
> Alternatively, you can edit scripts and change 'stdwkup' to 'office-users'.
> Here's a one-liner that will change the default group for the fitting script.
> 
> sed -i".bak" 's/stdwkup/office-users/g' `find /opt/brains2 -name brains2_fit.csh`
> 
> [root at opteron ipl_config]# fgrep chgrp /opt/brains2/bin/brains2_fit.csh
>            chgrp stdwkup $ACPCdir/$tracer/fit_$airMode.log
>            chgrp stdwkup $airFile
>            chgrp stdwkup $ACPCdir/$tracer/check_fit.brains2
> 
> Since you are likely using an older version of brains2 than the source I'm searching,
> 
> find /opt/brains2 -type f -exec fgrep -l stdwkup '{}' \;
> 
> Will give you a list of the files which may contain references to this group.
> I know there is one .tcl script that uses 'stdwkup' as a function-name, and you
> probably don't want to edit the binaries.
> 
> Hope this helps,
> gene


Ronald Pierson wrote:
> Seems we covered this once before on this list, but I don't remember the
> suggested solution.
> 
> This problem is due to how we use groups here at Iowa.  There is a stdwkup
> group, and brains2 tries to chgrp the standard directory to that group.
> This is to make sure that only the RAs that process the images have
> permissions to modify some key files.  Since you don't have that group on
> your system, it gives the error.  Beyond the error message, I don't remember
> that it gives any real problems.  Does anyone else know for sure?
> 
> Ronald Pierson
> 
> 
> -----Original Message-----
> From: brains-users-bounces at psychiatry.uiowa.edu
> [mailto:brains-users-bounces at psychiatry.uiowa.edu] On Behalf Of Lee, Buyean
> Sent: Thursday, March 16, 2006 12:01 PM
> To: 'brains-users at www.psychiatry.uiowa.edu'
> Subject: [Brains-users] 10_ACPC directory & permission error
> 
> Dear Brains Users,
> 
> I am using Brains2 installed in a RedHat Linux desktop.
> 
> When I tried to create standard directory (using Create Standard
> Directory... menu), there is the following error.
> 
> "Failed to change group on /soma/Fallypride/Analyses/10_ACPC/standard.
> Check your permissions."
> 
> Do I need to contact IT department?
> 
> Buyean Lee
> 
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