GPASSWD(1) Dienstprogramme für Benutzer GPASSWD(1)
NAME
gpasswd - administer /etc/group and /etc/gshadow
ÜBERSICHT
gpasswd [Option] Gruppe
BESCHREIBUNG
The gpasswd command is used to administer /etc/group, and /etc/gshadow.
Every group can have administrators, members and a password.
System administrators can use the -A option to define group
administrator(s) and the -M option to define members. They have all
rights of group administrators and members.
gpasswd called by a group administrator with a group name only prompts
for the new password of the group.
If a password is set the members can still use newgrp(1) without a
password, and non-members must supply the password.
Hinweise zu Gruppenpasswörtern
Gruppenpasswörter beinhalten ein Sicherheitsrisiko, da mehrere Personen
das Passwort kennen. Dennoch können sie sinnvoll sein, um die
Zusammenarbeit zwischen Benutzern zu erleichtern.
OPTIONEN
Except for the -A and -M options, the options cannot be combined.
The options which apply to the gpasswd command are:
-a, --add user
Add the user to the named group.
-d, --delete user
Remove the user from the named group.
-h, --help
zeigt die Hilfe an und beendet das Programm
-Q, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the configuration
files from the CHROOT_DIR directory. Only absolute paths are
supported.
-r, --remove-password
Remove the password from the named group. The group password will
be empty. Only group members will be allowed to use newgrp to join
the named group.
-R, --restrict
Restrict the access to the named group. The group password is set
to "!". Only group members with a password will be allowed to use
newgrp to join the named group.
-A, --administrators user,...
Liste der Gruppenverwalter bestimmen
-M, --members user,...
Liste der Mitglieder der Gruppe bestimmen
WARNUNGEN
This tool only operates on the /etc/group and /etc/gshadow files. Thus
you cannot change any NIS or LDAP group. This must be performed on the
corresponding server.
KONFIGURATION
The following configuration variables in /etc/login.defs change the
behavior of this tool:
DATEIEN
/etc/group
Informationen zu den Gruppenkonten
/etc/gshadow
sichere Informationen zu den Gruppenkonten
SIEHE AUCH
newgrp(1), groupadd(8), groupdel(8), groupmod(8), grpck(8), group(5),
gshadow(5).
shadow-utils 4.13 23.03.2023 GPASSWD(1)
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