I created a group using groupadd, then used gpasswd to add a group
administrator and two other group members. However, I could not use
gpasswd to remove the group administrator from the group because the
administrator was not added as a group member. Is this a bug or a
feature?
To recreate on RH 7.2 beta, a/k/a Roswell 2 (YMMV on other distros):
# groupadd admins
# gpasswd -A marysue -M joebob,bubba admins
# grep admins /etc/group /etc/gshadow
/etc/group:admins:x:505:joebob,bubba
/etc/gshadow:admins:!:marysue:joebob,bubba
Note that marysue is not shown as a group member in /etc/group or in
/etc/gshadow.
# gpasswd -d marysue
Removing user marysue from group admins
gpasswd: unknown member marysue
So, is a group administrator *not* also by definition a group member?
It appears not, to wit:
# gpasswd -M marysue
# grep admins /etc/group /etc/gshadow
/etc/group:admins:x:505:joebob,bubba,marysue
/etc/gshadow:admins:!:marysue:joebob,bubba,marysue
# gpasswd -d marysue
Removing user marysue from group admins
# grep admins /etc/group /etc/gshadow
/etc/group:admins:x:505:joebob,bubba
/etc/gshadow:admins:!:marysue:joebob,bubba
Strange. Or, at least, unexpected. I would have supposed that a group
administrator would also be a group member. Anyone?
Kurt
--
Virtue would go far if vanity did not keep it company.
-- La Rochefoucauld
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