AlkantarClanX12
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===========================
==== quotatool ====
===========================
Quick Start
===========
./configure
make
sudo make install
Usage
=====
quotatool { -u uid | -g gid } [ options ... ] filesystem
quotatool { -u uid | -g gid } -t time { -i | -b } filesystem
quotatool { -u uid | -g gid } -r filesystem
quotatool { -u uid | -g gid } -d filesystem
The actual arguments accepted depends on your system. Solaris,
for example, doesn't support group quotas, so the -g option is
useless. If your getopt() doesn't support optional arguments,
then you always need to pass an argument to -u and -g.
Arguments and Options
=====================
-u uid username or uid.
-g gid groupname or gid.
See examples below how to handle non-existent uid/gid
-b set block limits
-i set inode limits
-q n set soft limit to n blocks/inodes
-l n set hard limit to n blocks/inodes
quotatool accepts the units Kb, Mb, Gb, Tb, bytes and blocks
to modify limit arguments.
Use +/- to raise/lower quota by the specified amount.
See examples below.
-R Raise only - makes sure you don't accidentally lower quotas for a user/group
-t time set global grace period to time.
The time parameter consists of an optional
'+' or '-' modifier, a number, and one of:
'sec', 'min', 'hour', 'day', 'week', and
'month'. If a +/- modifier is present, the
current quota will be increased/reduced by
the amount specified
-r restart grace period for uid or gid
-h print a usage message
-v verbose mode -- print status messages during execution
use this twice for even more information
-n do everything except set the quota. useful with -v
to see what is supposed to happen
-V show version
filesystem is either device name (eg /dev/sda1) or mountpoint (eg /home)
Examples
========
Set soft block limit to 800Mb, hard block limit to 1Gb for user mpg4 on /home:
quotatool -u mpg4 -b -q 500M -l 1G /home
Raise soft block limit by 100M for non-existent gid 12345 on /dev/loop3:
quotatool -g :12345 -b -q +100M /dev/loop3
Set hard inode limit to 2000 for user johan on /var:
quotatool -u johan -i -l 2000 /var
Set the global block grace period to one week on /home:
quotatool -u -b -t "1 week" /home
Restart inode grace period for user johan on root filesystem:
quotatool -u johan -i -r /
Notes
=====
* Grace periods are set on a "global per quotatype and filesystem" basis only.
Each quotatype (usrquota / grpquota) on each filesystem has two grace periods
- one for block limits and one for inode limits.
It is not possible to set different grace periods for users on the same filesystem.
* Using non-existent uids/gids like ":12345" can be useful when configuring quotas on
a mounted filesystem which is a separate system in it self, like when preparing an
install image or repairing a filesystem from another installation.
* Limit arguments can be specified in several ways, these are all equivalent:
1M
1m
1Mb
1 "Mb"
* Use +/- to raise/lower quotas relative to current limits
* Use -v (or -v -v) to see verbose/debug info when running commands
Platforms and Filesystems
=========================
quotatool currently builds and works well on:
-- Linux --
Both old and new quota formats.
ext2, ext3, ext4, ReiserFS and XFS supported
-- Solaris --
-- AIX --
Missing your favorite *nix OS? Check the ChangeLog for the latest
additions, or port it yourself and send us a patch!