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Full Discussion: Solaris 10 groups
Operating Systems Solaris Solaris 10 groups Post 302976497 by jim mcnamara on Wednesday 29th of June 2016 10:42:31 PM
Old 06-29-2016
I would consider a minimalist approach. It looks like the old system was using standalone authentication, then LDAP was added. Poorly. If LDAP has foo with group number 111 and /etc/group has foo with 122 it can affect what you see -- tools that show file ownership and permissions or /etc/passwd when changing or adding groups to an account. Like ls, passwd, chown, chgrp, id

Applications generally use the group number NOT the name to resolve file access.
BEFORE you change anything, check to see what a group (using the group number)
is assigned to: file ownership is the important one. If you have sudo also verify that name and its use in /etc/sudoers.

If you want to change anything consider only using groupmod to change the name e.g., from foo to foo1
Do not change the group numbers as a first fix. And consider LDAP as the 'truth' in the choice of names.

Also check all of the applications scripts for hardcoded group names. You will have to rectify those entries when you change the spelling of the group name.
 

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chown(1B)					     SunOS/BSD Compatibility Package Commands						 chown(1B)

NAME
chown - change owner SYNOPSIS
/usr/ucb/chown [-fR] owner[.group] filename... DESCRIPTION
chown changes the owner of the filenames to owner. The owner can be either a decimal user ID (UID) or a login name found in the password file. An optional group can also be specified. The group can be either a decimal group ID (GID) or a group name found in the GID file. In the default case, only the super-user of the machine where the file is physically located can change the owner. The system configura- tion option {_POSIX_CHOWN_RESTRICTED} and the privileges PRIV_FILE_CHOWN and PRIV_FILE_CHOWN_SELF also affect who can change the ownership of a file. See chown(2) and privileges(5). OPTIONS
The following options are supported: -f Do not report errors. -R Recursively descend into directories setting the ownership of all files in each directory encountered. When symbolic links are encountered, their ownership is changed, but they are not traversed. USAGE
See largefile(5) for the description of the behavior of chown when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). FILES
/etc/passwd Password file ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
chgrp(1), chown(2), group(4), passwd(4), attributes(5), largefile(5), privileges(5) SunOS 5.10 21 Jun 2004 chown(1B)
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