171 lines
5.3 KiB
Groff
171 lines
5.3 KiB
Groff
.\" Copyright (c) 1983, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" Robert Elz at The University of Melbourne.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)edquota.8 8.1 (Berkeley) 6/6/93
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.\"
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.Dd June 6, 1993
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.Dt EDQUOTA 8
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.Os
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.Sh NAME
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.Nm edquota
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.Nd edit user quotas
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.Sh SYNOPSIS
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.Nm edquota
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.Op Fl u
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.Op Fl p Ar proto-username
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.Ar username ...
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.Nm edquota
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.Fl g
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.Op Fl p Ar proto-groupname
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.Ar groupname ...
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.Nm edquota
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.Fl t
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.Op Fl u
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.Nm edquota
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.Fl t
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.Fl g
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.br
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.Sh DESCRIPTION
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.Nm Edquota
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is a quota editor.
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By default, or if the
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.Fl u
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flag is specified,
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one or more users may be specified on the command line.
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For each user a temporary file is created
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with an ASCII representation of the current
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disk quotas for that user.
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The list of filesystems with user quotas is determined from
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.Pa /etc/fstab .
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An editor is invoked on the ASCII file.
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The editor invoked is
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.Xr vi 1
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unless the environment variable
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.Ev EDITOR
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specifies otherwise.
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.Pp
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The quotas may then be modified, new quotas added, etc.
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Setting a quota to zero indicates that no quota should be imposed.
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Setting a hard limit to one indicates that no allocations should
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be permitted.
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Setting a soft limit to one with a hard limit of zero
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indicates that allocations should be permitted only on
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a temporary basis (see
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.Fl t
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below).
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The current usage information in the file is for informational purposes;
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only the hard and soft limits can be changed.
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.Pp
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On leaving the editor,
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.Nm
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reads the temporary file and modifies the binary
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quota files to reflect the changes made.
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.Pp
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If the
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.Fl p
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option is specified,
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.Nm
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will duplicate the quotas of the prototypical user
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specified for each user specified.
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This is the normal mechanism used to
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initialize quotas for groups of users.
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If the user given to assign quotas to is a numerical uid
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range (e.g. 1000-2000), then
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.Nm
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will duplicate the quotas of the prototypical user
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for each uid in the range specified. This allows
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for easy setup of default quotas for a group of users.
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The uids in question do not have to be currently assigned in
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.Pa /etc/passwd
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.Pp
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If the
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.Fl g
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flag is specified,
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.Nm
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is invoked to edit the quotas of
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one or more groups specified on the command line.
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The
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.Fl p
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flag can be specified in conjunction with
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the
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.Fl g
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flag to specify a prototypical group
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to be duplicated among the listed set of groups.
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.Pp
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Users are permitted to exceed their soft limits
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for a grace period that may be specified per filesystem.
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Once the grace period has expired,
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the soft limit is enforced as a hard limit.
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The default grace period for a filesystem is specified in
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.Pa /usr/include/ufs/ufs/quota.h .
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The
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.Fl t
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flag can be used to change the grace period.
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By default, or when invoked with the
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.Fl u
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flag,
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the grace period is set for all the filesystems with user
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quotas specified in
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.Pa /etc/fstab .
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When invoked with the
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.Fl g
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flag the grace period is
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set for all the filesystems with group quotas specified in
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.Pa /etc/fstab .
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The grace period may be specified in days, hours, minutes, or seconds.
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Setting a grace period to zero indicates that the default
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grace period should be imposed.
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Setting a grace period to one second indicates that no
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grace period should be granted.
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.Pp
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Only the super-user may edit quotas.
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.Sh FILES
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.Bl -tag -width quota.group -compact
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.It Pa quota.user
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at the filesystem root with user quotas
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.It Pa quota.group
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at the filesystem root with group quotas
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.It Pa /etc/fstab
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to find filesystem names and locations
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.El
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.Sh SEE ALSO
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.Xr quota 1 ,
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.Xr fstab 2 ,
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.Xr quotactl 2 ,
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.Xr quotacheck 8 ,
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.Xr quotaon 8 ,
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.Xr repquota 8
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.Sh DIAGNOSTICS
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Various messages about inaccessible files; self-explanatory.
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