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2
LDP/howto/docbook/HOWTO-INDEX/adminSect.sgml
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@ -266,7 +266,7 @@ Quota</ULink>, <CiteTitle>
Quota mini-HOWTO</CiteTitle>
</Para><Para>
<CiteTitle>
Updated: April 2002</CiteTitle>.
Updated: August 2003</CiteTitle>.
How to enable file system quota on a Linux host, assigning
quota for users and groups, as well as the usage of miscellaneous
quota commands. </Para>

2
LDP/howto/docbook/HOWTO-INDEX/howtoChap.sgml
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@ -3699,7 +3699,7 @@ on an Intel Linux system. </Para>
Quota</ULink>,
<CiteTitle>Quota mini-HOWTO</CiteTitle>
</Para><Para>
<CiteTitle>Updated: April 2002</CiteTitle>.
<CiteTitle>Updated: August 2003</CiteTitle>.
How to enable file system quota on a Linux host, assigning
quota for users and groups, as well as the usage of miscellaneous
quota commands. </Para>

97
LDP/howto/linuxdoc/Quota.sgml
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@ -3,15 +3,17 @@
<article>
<title>Quota mini-HOWTO
<author>Ralf van Dooren <tt/r.vdooren@snow.nl/
<date>v0.3, April 2002
<abstract>Preamble: This document is written by Ralf van Dooren (r.vdooren@snow.nl).
<date>v0.5, 2003-08-09
<abstract>
Preamble: This document is written by Ralf van Dooren (r.vdooren@snow.nl).
Original text and setup of this document is copyleft-ed by Albert M.C. Tam, many thanks to him
for this initial mini-HOWTO.
This document is licensed under the GNU Free Documentation License.
<p>
Permission to use, copy, distribute this document for non-commercial purposes
Permission to use, copy, distribute this document for non-commercial purposes
is hereby granted, provided that the author's / editor's name and this notice
appear in all copies and/or supporting documents; that this document is not
modified. This document is distributed in hope that it will be useful, but
@ -23,12 +25,16 @@
This document describes how to enable file system quota on a Linux host,
assigning quota for users and groups, as well as the usage of miscellaneous
quota commands. It is intended for users running kernel 2.x (recently tested
on kernel 2.4.17).
on kernel 2.4.21).
<p>
Feel free to send feedbacks or comments to r.vdooren@snow.nl if you find an
error, or if any information is missing. I appreciate it.
</abstract>
<sect>What is Quota?
<sect>What is quota?
<sect1>What is quota for?
<p>
Quota allows you to specify limits on two aspects of disk storage: the
number of inodes a user or a group of users may possess; and the number of
@ -38,8 +44,11 @@ Quota allows you to specify limits on two aspects of disk storage: the
consumption limit, taking away their ability to consume unlimited disk space
on a system. Quota is handled on a per user, per file system basis. If there
is more than one file system which a user is expected to create files, then
quota must be set for each file system separately.
<sect>Current Status of Quota on Linux
quota must be set for each file system separately. Various tools are
available for you to administer and automate quota policies on your
system.
<sect1>Current Status of Quota on Linux
<p>
Currently, there are some major changes in the way quota works. There are two
@ -51,55 +60,73 @@ on your system, you may or may not have to install this patch and package. You c
you have any questions about this. I'll try to include a overview of Linux distro's and it's implications
in a later version of this document.
<sect>Requirements for Using Quota on Linux
<sect>Requirements for quota
<p>
<sect1>Kernel
<p>
The 2.x kernel source is available from
<code>http://www.kernel.org
</code>. Please use an available mirror close to your location to save bandwidth.
The 2.x kernel source is available from <url
url="http://www.kernel.org/" name="http://www.kernel.org">
Please use an available mirror close to your location to save bandwidth. If
you have a recent version of tar, you can download the .bz2 compressed file.
Untar the kernel:
<code>
cd /usr/src
tar jxvf /path/to/linux-2.4.21-tar.bz2 - for bzip2 kernel -
tar zxvf /path/to/linux-2.4.21-tar.gz - for gzip kernel -
ln -s /usr/src/linux-2.4.21 /usr/src/linux
</code>
<sect1>Quota software
<p>
Depending on the Linux distribution you have, you may, or may not have
the quota softwares installed on your system. The most recent version of quota
is available through SourceForge and is in active development. You can reach the
homepage of the quota-development at
homepage of the quota-development at <url
url="http://www.sourceforge.net/project/linuxquota"
name="http://www.sourceforge.net/projects/linuxquota" >.
<sect>Quota setup: installation and configuration
<code>http://www.sourceforge.net/projects/linuxquota
</code>
<p>
<sect>Quota Setup on Linux - Part I: The Configuration
<p>
<sect1>Patch the kernel
<p>Download the patch for your kernel at:
<code>
ftp://atrey.karlin.mff.cuni.cz/pub/local/jack/quota/
</code>
<url url="ftp://atrey.karlin.mff.cuni.cz/pub/local/jack/quota/"
name="ftp::/atrey.karlin.mff.cuni.cz/pub/local/jack/quota/" >.
<p>
Choose your kernel version and download the patch. Patch your kernel with the 'patch' command.
Choose your kernel version and download the patch(es). Patch your kernel with the 'patch' command. If there is more than 1 patch for your kernel version, be sure to apply the patches in the correct order.
You can use this script ( I assume the downloaded patches are in /tmp/quota/ and the kernel has been untarred to /usr/src/linux) :
<code>
#!/bin/sh
gunzip /tmp/quota/*.gz
cd /usr/src/linux
COUNT=`ls -1 /tmp/quota/*.diff | wc -l`
for I in `seq 1 $COUNT`
do
patch -p1 < /tmp/quota/quota-2.4.21-$I-*.diff
done
</code>
<sect1>Reconfigure your kernel
<p>
Reconfigure your kernel and add quota support by typing y to:
<code>Quota support (CONFIG_QUOTA) [n] y
</code>
Reconfigure your kernel and add quota support.
<p>Via `make menuconfig` of `make xconfig` you can find the option to support quota
under the Filesystems-menu.
<p>Via `make menuconfig` or `make xconfig` you can find the option to support quota under the Filesystems-menu. You can specify extra options if you need them, like 32-bit UID support.
Make sure the new kernel will be used when rebooting the system.
<p>Save the configuration and compile the kernel. Make sure the new kernel will be used when rebooting the system.
<sect1>Compile and install the quota softwares
<p>
If the quota package is already in your Linux distribution, you don't have to install the quota
software. If the quota package is not available in your Linux distribution, or if you wan't to
install the most recent version, you can download the latest version of the quota software source from
the location mentioned above.
To be able to use all the features of the new quota system, you'll probably need to download the new quota-package. Download the new quota software via the URL
provided above.
<p>
When downloaded do:
<code>$ gzip -dc <downloaded file> | tar xvf
@ -167,14 +194,14 @@ to take effect. The new kernel with quota support will be loaded and the startup
just created will be executed. At first run, quotacheck will generate the appropiate files to maintain
the quota databases.
<sec1>Add quotacheck to crontab
<sect1>Add quotacheck to crontab
<p>
Although quota should work with periodical checks, it sometimes helps to run quotacheck periodically, e.g. weekly. Add the following line to your root's crontab:
<code>0 3 * * 0 /sbin/quotacheck -avug
</code>
<sect>Quota Setup on Linux - Part II: Assigning Quota for Users and Groups
<sect>Quota setup: tools
<p>
This operation is performed with the edquota command (`man edquota` for details).