On Mon, 2004-06-14 at 18:25, Robert Locke wrote: > On Mon, 2004-06-14 at 21:15, Ow Mun Heng wrote: > > Hi, > > > > I'm confused, Created a user using > > > > useradd -c user_full_name -d /dev/null -g GroupA -s /sbin/nologin bob_t > > > > I see in the /etc/passwd file > > > > bob_t:x:100:1000:user_name:/dev/null:/sbin/nologin > > > > Where in /etc/group > > > > GroupA:x:1000 > > > > The question is, how come bob_t is not included into GroupA in the > > /etc/group file? > > > > Is the /etc/group file only for supplemental groups which the user bob_t > > is also associated with? (and GroupA is the user's primary group and > > thus no need to be included?) > > > > > > using the command line parameter usermod -g somegroup username > > -- > > > You are correct. > > In the Red Hat world and their intent of using UPG (User Private > Groups), the primary group relationship is defined in /etc/passwd, it is > apparently redundant at best to place the user's name on the group line > in /etc/group. A user's name appearing in /etc/group is intended to > reflect auxiliary groups only. > > Remember that, by default, when you create a user it would normally > create a group name with the same name as the user and assign the > primary relationship to that new "user private group", with the home > directory owned by that user and it's UPG. Collaboration is intended to > be done with auxiliary groups and SetGID on the shared directories. Now that clears things up. So shared Directories in which say.. GroupA ppl can access R & W is set to be chmod 2775 /path/to/directory And everything inside of it will be marked as writable by GroupA ppl. I think I got it. Thanks.
