271 lines
7.5 KiB
Plaintext
271 lines
7.5 KiB
Plaintext
'\" t
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.\" Title: groupadd
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.\" Author: Julianne Frances Haugh
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.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
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.\" Date: 02/01/2022
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.\" Manual: Commandes de gestion du syst\(`eme
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.\" Source: shadow-utils 4.11.1
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.\" Language: French
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.\"
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.TH "GROUPADD" "8" "02/01/2022" "shadow\-utils 4\&.11\&.1" "Commandes de gestion du syst\(`em"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NOM"
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groupadd \- Cr\('eer un nouveau groupe
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.SH "SYNOPSIS"
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.HP \w'\fBgroupadd\fR\ 'u
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\fBgroupadd\fR [\fIoptions\fR] \fIgroupe\fR
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.SH "DESCRIPTION"
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.PP
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The
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\fBgroupadd\fR
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command creates a new group account using the values specified on the command line plus the default values from the system\&. The new group will be entered into the system files as needed\&.
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.SH "OPTIONS"
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.PP
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The options which apply to the
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\fBgroupadd\fR
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command are:
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.PP
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\fB\-f\fR, \fB\-\-force\fR
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.RS 4
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This option causes the command to simply exit with success status if the specified group already exists\&. When used with
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\fB\-g\fR, and the specified GID already exists, another (unique) GID is chosen (i\&.e\&.
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\fB\-g\fR
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is turned off)\&.
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.RE
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.PP
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\fB\-g\fR, \fB\-\-gid\fR\ \&\fIGID\fR
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.RS 4
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The numerical value of the group\*(Aqs ID\&. This value must be unique, unless the
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\fB\-o\fR
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option is used\&. The value must be non\-negative\&. The default is to use the smallest ID value greater than or equal to
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\fBGID_MIN\fR
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and greater than every other group\&.
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.sp
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See also the
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\fB\-r\fR
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option and the
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\fBGID_MAX\fR
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description\&.
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.RE
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.PP
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\fB\-h\fR, \fB\-\-help\fR
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.RS 4
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Afficher un message d\*(Aqaide et quitter\&.
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.RE
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.PP
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\fB\-K\fR, \fB\-\-key\fR\ \&\fIKEY\fR=\fIVALUE\fR
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.RS 4
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Overrides
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/etc/login\&.defs
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defaults (GID_MIN, GID_MAX and others)\&. Multiple
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\fB\-K\fR
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options can be specified\&.
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.sp
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Example:
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\fB\-K\fR\ \&\fIGID_MIN\fR=\fI100\fR\ \&
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\fB\-K\fR\ \&\fIGID_MAX\fR=\fI499\fR
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.sp
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Note:
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\fB\-K\fR\ \&\fIGID_MIN\fR=\fI10\fR,\fIGID_MAX\fR=\fI499\fR
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doesn\*(Aqt work yet\&.
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.RE
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.PP
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\fB\-o\fR, \fB\-\-non\-unique\fR
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.RS 4
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Cette option permet d\*(Aqajouter un groupe avec un identifiant (\(Fo\ \&GID\ \&\(Fc) d\('ej\(`a utilis\('e\&.
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.RE
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.PP
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\fB\-p\fR, \fB\-\-password\fR\ \&\fIPASSWORD\fR
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.RS 4
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The encrypted password, as returned by
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\fBcrypt\fR(3)\&. The default is to disable the password\&.
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.sp
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\fBNote:\fR
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This option is not recommended because the password (or encrypted password) will be visible by users listing the processes\&.
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.sp
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Il est n\('ecessaire de v\('erifier si le mot de passe respecte la politique de mots de passe du syst\(`eme\&.
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.RE
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.PP
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\fB\-r\fR, \fB\-\-system\fR
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.RS 4
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Cr\('eer un groupe syst\(`eme\&.
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.sp
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The numeric identifiers of new system groups are chosen in the
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\fBSYS_GID_MIN\fR\-\fBSYS_GID_MAX\fR
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range, defined in
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login\&.defs, instead of
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\fBGID_MIN\fR\-\fBGID_MAX\fR\&.
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.RE
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.PP
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\fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR
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.RS 4
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Apply changes in the
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\fICHROOT_DIR\fR
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directory and use the configuration files from the
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\fICHROOT_DIR\fR
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directory\&.
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.RE
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.PP
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\fB\-P\fR, \fB\-\-prefix\fR\ \&\fIPREFIX_DIR\fR
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.RS 4
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Apply changes in the
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\fIPREFIX_DIR\fR
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directory and use the configuration files from the
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\fIPREFIX_DIR\fR
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directory\&. This option does not chroot and is intended for preparing a cross\-compilation target\&. Some limitations: NIS and LDAP users/groups are not verified\&. PAM authentication is using the host files\&. No SELINUX support\&.
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.RE
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.PP
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\fB\-U\fR, \fB\-\-users\fR
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.RS 4
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A list of usernames to add as members of the group\&.
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.sp
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The default behavior (if the
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\fB\-g\fR,
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\fB\-N\fR, and
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\fB\-U\fR
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options are not specified) is defined by the
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\fBUSERGROUPS_ENAB\fR
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variable in
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/etc/login\&.defs\&.
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.RE
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.SH "CONFIGURATION"
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.PP
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The following configuration variables in
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/etc/login\&.defs
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change the behavior of this tool:
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.PP
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\fBGID_MAX\fR (number), \fBGID_MIN\fR (number)
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.RS 4
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Range of group IDs used for the creation of regular groups by
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\fBuseradd\fR,
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\fBgroupadd\fR, or
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\fBnewusers\fR\&.
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.sp
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The default value for
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\fBGID_MIN\fR
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(resp\&.
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\fBGID_MAX\fR) is 1000 (resp\&. 60000)\&.
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.RE
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.PP
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\fBMAX_MEMBERS_PER_GROUP\fR (number)
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.RS 4
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Maximum members per group entry\&. When the maximum is reached, a new group entry (line) is started in
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/etc/group
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(with the same name, same password, and same GID)\&.
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.sp
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La valeur par d\('efaut est 0, ce qui signifie qu\*(Aqil n\*(Aqy a pas de limites pour le nombre de membres dans un groupe\&.
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.sp
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Cette fonctionnalit\('e (groupe d\('ecoup\('e) permet de limiter la longueur des lignes dans le fichier de groupes\&. Ceci est utile pour s\*(Aqassurer que les lignes pour les groupes NIS ne sont pas plus grandes que 1024 caract\(`eres\&.
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.sp
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Si vous avez besoin de configurer cette limite, vous pouvez utiliser 25\&.
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.sp
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Remarque\ \&: les groupes d\('ecoup\('es ne sont peut\-\(^etre pas pris en charge par tous les outils (m\(^eme dans la suite d\*(Aqoutils Shadow)\&. Vous ne devriez pas utiliser cette variable, sauf si vous en avez vraiment besoin\&.
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.RE
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.PP
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\fBSYS_GID_MAX\fR (number), \fBSYS_GID_MIN\fR (number)
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.RS 4
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Range of group IDs used for the creation of system groups by
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\fBuseradd\fR,
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\fBgroupadd\fR, or
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\fBnewusers\fR\&.
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.sp
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The default value for
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\fBSYS_GID_MIN\fR
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(resp\&.
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\fBSYS_GID_MAX\fR) is 101 (resp\&.
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\fBGID_MIN\fR\-1)\&.
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.RE
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.SH "FICHIERS"
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.PP
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/etc/group
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.RS 4
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Informations sur les groupes\&.
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.RE
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.PP
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/etc/gshadow
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.RS 4
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Informations s\('ecuris\('ees sur les groupes\&.
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.RE
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.PP
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/etc/login\&.defs
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.RS 4
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Configuration de la suite des mots de passe cach\('es \(Fo\ \&shadow password\ \&\(Fc\&.
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.RE
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.SH "AVERTISSEMENTS"
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.PP
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Les noms de groupe doivent commencer par une lettre minuscule ou un tiret bas (\(Fo\ \&underscore\ \&\(Fc), et seuls des lettres minuscules, des chiffres, des \(Fo\ \&underscore\ \&\(Fc, ou des tirets peuvent suivre\&. Ils peuvent se terminer par un signe dollar\&. Soit, sous la forme d\*(Aqune expression rationnelle\ \&: [a\-z_][a\-z0\-9_\-]*[$]?
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.PP
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Groupnames may only be up to 16 characters long\&.
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.PP
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Vous ne pouvez pas ajouter d\*(Aqutilisateur \(`a un groupe NIS ou LDAP\&. Cela doit \(^etre effectu\('e sur le serveur correspondant\&.
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.PP
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If the groupname already exists in an external group database such as NIS or LDAP,
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\fBgroupadd\fR
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will deny the group creation request\&.
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.SH "VALEURS DE RETOUR"
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.PP
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The
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\fBgroupadd\fR
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command exits with the following values:
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.PP
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\fI0\fR
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.RS 4
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success
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.RE
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.PP
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\fI2\fR
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.RS 4
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invalid command syntax
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.RE
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.PP
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\fI3\fR
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.RS 4
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invalid argument to option
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.RE
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.PP
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\fI4\fR
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.RS 4
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GID is already used (when called without
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\fB\-o\fR)
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.RE
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.PP
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\fI9\fR
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.RS 4
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group name is already used
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.RE
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.PP
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\fI10\fR
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.RS 4
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can\*(Aqt update group file
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.RE
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.SH "VOIR AUSSI"
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.PP
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\fBchfn\fR(1),
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\fBchsh\fR(1),
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\fBpasswd\fR(1),
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\fBgpasswd\fR(8),
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\fBgroupdel\fR(8),
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\fBgroupmod\fR(8),
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\fBlogin.defs\fR(5),
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\fBuseradd\fR(8),
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\fBuserdel\fR(8),
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\fBusermod\fR(8)\&.
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