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+'\" t
+.\" Title: grpck
+.\" Author: Julianne Frances Haugh
+.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
+.\" Date: 09-05-2014
+.\" Manual: Systemhanteringskommandon
+.\" Source: shadow-utils 4.2
+.\" Language: Swedish
+.\"
+.TH "GRPCK" "8" "09-05-2014" "shadow\-utils 4\&.2" "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"
+grpck \- validera integriteten f\(:or gruppfiler
+.SH "SYNOPSIS"
+.HP \w'\fBgrpck\fR\ 'u
+\fBgrpck\fR [flaggor] [\fIgrupp\fR\ [\ \fIshadow\fR\ ]]
+.SH "BESKRIVNING"
+.PP
+The
+\fBgrpck\fR
+command verifies the integrity of the groups information\&. It checks that all entries in
+/etc/groupand /etc/gshadow
+have the proper format and contain valid data\&. The user is prompted to delete entries that are improperly formatted or which have other uncorrectable errors\&.
+.PP
+Kontroller g\(:ors f\(:or att validera att varje post har:
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+korrekt antal f\(:alt
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+a unique and valid group name
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+a valid group identifier
+(/etc/group only)
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+a valid list of members
+and administrators
+.RE
+.sp
+.RS 4
+.ie n \{\
+\h'-04'\(bu\h'+03'\c
+.\}
+.el \{\
+.sp -1
+.IP \(bu 2.3
+.\}
+a corresponding entry in the
+/etc/gshadow
+file (respectively
+/etc/group
+for the
+gshadow
+checks)
+.RE
+.PP
+The checks for correct number of fields and unique group name are fatal\&. If an entry has the wrong number of fields, the user will be prompted to delete the entire line\&. If the user does not answer affirmatively, all further checks are bypassed\&. An entry with a duplicated group name is prompted for deletion, but the remaining checks will still be made\&. All other errors are warnings and the user is encouraged to run the
+\fBgroupmod\fR
+command to correct the error\&.
+.PP
+The commands which operate on the
+/etc/groupand /etc/gshadow files
+are not able to alter corrupted or duplicated entries\&.
+\fBgrpck\fR
+should be used in those circumstances to remove the offending entries\&.
+.SH "FLAGGOR"
+.PP
+The
+\fB\-r\fR
+and
+\fB\-s\fR
+options cannot be combined\&.
+.PP
+The options which apply to the
+\fBgrpck\fR
+command are:
+.PP
+\fB\-h\fR, \fB\-\-help\fR
+.RS 4
+Visa hj\(:alpmeddelande och avsluta\&.
+.RE
+.PP
+\fB\-r\fR, \fB\-\-read\-only\fR
+.RS 4
+Execute the
+\fBgrpck\fR
+command in read\-only mode\&. This causes all questions regarding changes to be answered
+\fIno\fR
+without user intervention\&.
+.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
+.PP
+\fB\-s\fR, \fB\-\-sort\fR
+.RS 4
+Sort entries in
+/etc/groupand /etc/gshadow
+by GID\&.
+.RE
+.PP
+By default,
+\fBgrpck\fR
+operates on
+/etc/groupand /etc/gshadow\&. The user may select alternate files with the
+\fIgroup\fRand \fIshadow\fR parameters\&.
+.SH "CONFIGURATION"
+.PP
+The following configuration variables in
+/etc/login\&.defs
+change the behavior of this tool:
+.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
+.SH "FILER"
+.PP
+/etc/group
+.RS 4
+Gruppkontoinformation\&.
+.RE
+.PP
+/etc/gshadow
+.RS 4
+S\(:aker gruppkontoinformation\&.
+.RE
+.PP
+/etc/passwd
+.RS 4
+Anv\(:andarkontoinformation\&.
+.RE
+.SH "AVSLUTNINGSV\(:ARDEN"
+.PP
+Kommandot
+\fBgrpck\fR
+avslutas med f\(:oljande v\(:arden:
+.PP
+\fI0\fR
+.RS 4
+lyckad
+.RE
+.PP
+\fI1\fR
+.RS 4
+ogiltig kommandosyntax
+.RE
+.PP
+\fI2\fR
+.RS 4
+en eller flera felaktiga grupposter
+.RE
+.PP
+\fI3\fR
+.RS 4
+kan inte \(:oppna gruppfiler
+.RE
+.PP
+\fI4\fR
+.RS 4
+kan inte l\(oasa gruppfiler
+.RE
+.PP
+\fI5\fR
+.RS 4
+kan inte uppdatera gruppfiler
+.RE
+.SH "SE OCKS\(oA"
+.PP
+\fBgroup\fR(5),
+\fBgroupmod\fR(8),
+\fBgshadow\fR(5),\fBpasswd\fR(5),
+\fBpwck\fR(8),
+\fBshadow\fR(5)\&.