'\" t .\" Title: groupadd .\" Author: Julianne Frances Haugh .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: 27-07-2018 .\" Manual: Systemhanteringskommandon .\" Source: shadow-utils 4.5 .\" Language: Swedish .\" .TH "GROUPADD" "8" "27-07-2018" "shadow\-utils 4\&.5" "Systemhanteringskommandon" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAMN" groupadd \- skapa en ny grupp .SH "SYNOPSIS" .HP \w'\fBgroupadd\fR\ 'u \fBgroupadd\fR [\fIflaggor\fR] \fIgrupp\fR .SH "BESKRIVNING" .PP The \fBgroupadd\fR 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\&. .SH "FLAGGOR" .PP Flaggorna som g\(:aller f\(:or kommandot \fBgroupadd\fR \(:ar: .PP \fB\-f\fR, \fB\-\-force\fR .RS 4 This option causes the command to simply exit with success status if the specified group already exists\&. When used with \fB\-g\fR, and the specified GID already exists, another (unique) GID is chosen (i\&.e\&. \fB\-g\fR is turned off)\&. .RE .PP \fB\-g\fR, \fB\-\-gid\fR\ \&\fIGID\fR .RS 4 The numerical value of the group\*(Aqs ID\&. This value must be unique, unless the \fB\-o\fR option is used\&. The value must be non\-negative\&. The default is to use the smallest ID value greater than or equal to \fBGID_MIN\fR and greater than every other group\&. .sp See also the \fB\-r\fR option and the \fBGID_MAX\fR description\&. .RE .PP \fB\-h\fR, \fB\-\-help\fR .RS 4 Visa hj\(:alpmeddelande och avsluta\&. .RE .PP \fB\-K\fR, \fB\-\-key\fR\ \&\fINYCKEL\fR=\fIV\(:ARDE\fR .RS 4 \(oAsidos\(:atter standardv\(:arden i /etc/login\&.defs (GID_MIN, GID_MAX och andra)\&. Flera flaggor av \fB\-K\fR kan anges\&. .sp Example: \fB\-K\fR\ \&\fIGID_MIN\fR=\fI100\fR\ \& \fB\-K\fR\ \&\fIGID_MAX\fR=\fI499\fR .sp Notera: \fB\-K\fR\ \&\fIGID_MIN\fR=\fI10\fR,\fIGID_MAX\fR=\fI499\fR fungerar \(:annu inte\&. .RE .PP \fB\-o\fR, \fB\-\-non\-unique\fR .RS 4 This option permits to add a group with a non\-unique GID\&. .RE .PP \fB\-p\fR, \fB\-\-password\fR\ \&\fIL\(:OSENORD\fR .RS 4 The encrypted password, as returned by \fBcrypt\fR(3)\&. The default is to disable the password\&. .sp \fBNote:\fR This option is not recommended because the password (or encrypted password) will be visible by users listing the processes\&. .sp You should make sure the password respects the system\*(Aqs password policy\&. .RE .PP \fB\-r\fR, \fB\-\-system\fR .RS 4 Create a system group\&. .sp The numeric identifiers of new system groups are chosen in the \fBSYS_GID_MIN\fR\-\fBSYS_GID_MAX\fR range, defined in login\&.defs, instead of \fBGID_MIN\fR\-\fBGID_MAX\fR\&. .RE .PP \fB\-R\fR, \fB\-\-root\fR\ \&\fICHROOT_DIR\fR .RS 4 Apply changes in the \fICHROOT_DIR\fR directory and use the configuration files from the \fICHROOT_DIR\fR directory\&. .RE .SH "CONFIGURATION" .PP The following configuration variables in /etc/login\&.defs change the behavior of this tool: .PP \fBGID_MAX\fR (number), \fBGID_MIN\fR (number) .RS 4 Range of group IDs used for the creation of regular groups by \fBuseradd\fR, \fBgroupadd\fR, or \fBnewusers\fR\&. .sp The default value for \fBGID_MIN\fR (resp\&. \fBGID_MAX\fR) is 1000 (resp\&. 60000)\&. .RE .PP \fBMAX_MEMBERS_PER_GROUP\fR (number) .RS 4 Maximum members per group entry\&. When the maximum is reached, a new group entry (line) is started in /etc/group (with the same name, same password, and same GID)\&. .sp The default value is 0, meaning that there are no limits in the number of members in a group\&. .sp This feature (split group) permits to limit the length of lines in the group file\&. This is useful to make sure that lines for NIS groups are not larger than 1024 characters\&. .sp If you need to enforce such limit, you can use 25\&. .sp Note: split groups may not be supported by all tools (even in the Shadow toolsuite)\&. You should not use this variable unless you really need it\&. .RE .PP \fBSYS_GID_MAX\fR (number), \fBSYS_GID_MIN\fR (number) .RS 4 Range of group IDs used for the creation of system groups by \fBuseradd\fR, \fBgroupadd\fR, or \fBnewusers\fR\&. .sp The default value for \fBSYS_GID_MIN\fR (resp\&. \fBSYS_GID_MAX\fR) is 101 (resp\&. \fBGID_MIN\fR\-1)\&. .RE .SH "FILER" .PP /etc/group .RS 4 Gruppkontoinformation\&. .RE .PP /etc/gshadow .RS 4 S\(:aker gruppkontoinformation\&. .RE .PP /etc/login\&.defs .RS 4 Shadow password suite configuration\&. .RE .SH "T\(:ANK P\(oA" .PP It is usually recommended to only use groupnames that begin with a lower case letter or an underscore, followed by lower case letters, digits, underscores, or dashes\&. They can end with a dollar sign\&. In regular expression terms: [a\-z_][a\-z0\-9_\-]*[$]? .PP On Debian, the only constraints are that groupnames must neither start with a dash (\*(Aq\-\*(Aq) nor plus (\*(Aq+\*(Aq) nor tilde (\*(Aq~\*(Aq) nor contain a colon (\*(Aq:\*(Aq), a comma (\*(Aq,\*(Aq), or a whitespace (space:\*(Aq \*(Aq, end of line: \*(Aq\en\*(Aq, tabulation: \*(Aq\et\*(Aq, etc\&.)\&. .PP Groupnames may only be up to 32 characters long\&. .PP You may not add a NIS or LDAP group\&. This must be performed on the corresponding server\&. .PP If the groupname already exists in an external group database such as NIS or LDAP, \fBgroupadd\fR will deny the group creation request\&. .SH "AVSLUTNINGSV\(:ARDEN" .PP Kommandot \fBgroupadd\fR avslutas med f\(:oljande v\(:arden: .PP \fI0\fR .RS 4 lyckad .RE .PP \fI2\fR .RS 4 ogiltig kommandosyntax .RE .PP \fI3\fR .RS 4 ogiltigt argument till flagga .RE .PP \fI4\fR .RS 4 GID inte unikt (n\(:ar \fB\-o\fR inte anv\(:ands) .RE .PP \fI9\fR .RS 4 gruppnamn inte unikt .RE .PP \fI10\fR .RS 4 kan inte uppdatera gruppfilen .RE .SH "SE OCKS\(oA" .PP \fBchfn\fR(1), \fBchsh\fR(1), \fBpasswd\fR(1), \fBgpasswd\fR(8), \fBgroupdel\fR(8), \fBgroupmod\fR(8), \fBlogin.defs\fR(5), \fBuseradd\fR(8), \fBuserdel\fR(8), \fBusermod\fR(8)\&.