root / pykota / trunk / docs / installation.sgml @ 1471

<!-- $Id$ -->

<chapter>
  <title id="installation">Installation</title>
  
  <para>Last modified on $Date$</para>
  
  <para>
    Before being able to use <application>PyKota</application>, you have of course to
    install it first. But before installing, you must carefully plan your installation.
  </para>
  
  <para>
    First you have to determine which machine will be the <application>PyKota</application>
    <firstterm>Storage Server</firstterm>. The Storage Server is the host responsible
    for keeping a centralized database of print usage for all your printers, users and groups.
  </para>
  
  <para>
    Then you have to list all the <firstterm>Print Servers</firstterm> for which
    you plan to use <firstterm>print quota</firstterm> facilities.
  </para>
  
  <para>
    Finally you have to download <application>PyKota</application>'s latest version
    or buy an official package, from 
    <ulink url="http://www.librelogiciel.com/software/">http://www.librelogiciel.com/software/</ulink>.
    If you've just bought an official package, then as soon as you've receive it you
    have to decompress and visit its archive, to do so just type the following commands :
    <screen>
jerome@nordine:~$ tar -zxf pykota-1.18_official.tar.gz    
jerome@nordine:~$ cd pykota-1.18_official
jerome@nordine:~/pykota-1.18_official$
    </screen>
  </para>
  
  <para>
    You can see many files in this directory, the first ones to read are <filename>README</filename>,
    then <filename>COPYING</filename> and <filename>LICENSE</filename>. They will give you
    basic installation instructions and explain the licensing terms under which 
    <application>PyKota</application> is distributed. Of course they are also mostly
    boring to read ! Detailed installation and operating instructions are defined
    in the <filename>./docs</filename> directory, in the form of <acronym>SGML</acronym>
    documentation in the <ulink url="http://www.docbook.org">DocBook</ulink> format.
    You have to compile these files into readable documentation like the <acronym>HTML</acronym>
    or <acronym>PDF</acronym> formats, or buy an official <application>PyKota</application> package
    which already contains these compiled forms of the documentation. Of course you already
    know this because that's what you are currently reading !
  </para>
  
  <para>
    Now we will see what has to be done on each of the servers we are planning to use.
    <note>
      <title>Note</title>
      <para>
        Of course, depending on the size of your network, you may very well
        use the same machine as both a Print Server and a Storage Server.
        This is especially the case if you've got only one server.
      </para>
    </note>  
  </para>
  
  <sect1>
    <title>Storage Server Installation</title>
    
    <para>
      Depending on <application>PyKota</application>'s version number, different
      types of storage backends may be supported, so we will see for each one of
      them how to configure it.
    </para>
    
    <sect2>
      <title>PostgreSQL</title>
      
      <para>
        <application>PostgreSQL</application> is an <firstterm>Object Relationnal DataBase
        Management System</firstterm> distributed under a <firstterm>Free Software</firstterm>
        license from the 
        <ulink url="http://www.postgresql.org">http://www.postgresql.org</ulink>
        web site. It certainely is the free <acronym>RDBMS</acronym> which has the most advanced
        features, and is widely used all over the world.
      </para>
      
      <para>
        To configure your Storage Server, you must have PostgreSQL already working.
        The complete installation of <application>PostgreSQL</application> is not covered by
        the present manual, please refer to your system's documentation or to 
        <ulink url="http://www.postgresql.org">http://www.postgresql.org</ulink> for
        details.
      </para>
      
      <para>
        One thing you have to check, though, is that every Print Server on which you
        want to install the print quota mechanism, must be able to connect to the
        <application>PostgreSQL</application> server. In the default installation of
        <application>PostgreSQL</application> this may not be the case for security reasons, except if both
        servers are in fact the same machine. In any case, it is recommended that you
        check the <filename>/etc/postgresql/pg_hba.conf</filename> file and modify it if
        needed. This file is self documented and its modification is straightforward.
        You also have to make sure that <application>PostgreSQL</application> accepts <acronym>TCP/IP</acronym> connections.
        To do so you either have to launch it with the <option>-i</option> option or
        modify the <filename>/etc/postgresql/postgresql.conf</filename> file, which is
        self documented and easy to modify too. Allowing <acronym>TCP/IP</acronym> connections
        is not necessary though if your Quota Storage Server and your Print Server are
        the very same host.
        <tip>
          <title>Tip</title>
          <para>
            Don't forget to restart <application>PostgreSQL</application> if you modify
            any of its configuration files, in order for the changes to take effect.
          </para>
        </tip>  
      </para>
      
      <para>
        Be careful, you may be unable to connect from a Print Server to the <application>PostgreSQL</application>
        server even if the configuration is correct. Sometimes your connections may be blocked by
        one or more network firewalls along the route from one machine to the other. If this
        is the case, then the best thing you can do is to ask your <firstterm>Network Administrator</firstterm>
        to not filter the IP port used by <application>PostgreSQL</application>, which is
        usually port <literal>5432/tcp</literal>.
        <note>
          <title>Note</title>
          <para>
            The TCP/IP network port used by PostgreSQL may be different. When in doubt, ask your 
            <firstterm>System Administrator</firstterm> for the correct value. 
          </para>
        </note>  
      </para>
      
      <para>
        Now that your <application>PostgreSQL</application> server is up and running, and
        is waiting for your connections, you have to create the Quota Storage DataBase.
        To do so, you'll have to feed <application>PostgreSQL</application> with the
        <filename>pykota-x.xx/initscripts/postgresql/pykota-postgresql.sql</filename> file.
        This file will create a Quota DataBase administrator in the <application>PostgreSQL</application> system, then create an empty
        Quota DataBase and set some permissions on it. The Quota DataBase administrator
        is the <application>PostgreSQL</application>'s user used to manage the Quota database.
        The Quota DataBase Administrator is not present in the Quota Database
        itself, he is only defined in <application>PostgreSQL</application> and don't
        have to exist on any system, nor in the Quota DataBase. His default name
        is <literal>pykotaadmin</literal>. 
        A Quota Storage read-only user is also created under the name of <literal>pykotauser</literal>.
        This read-only user is used by <application>PyKota</application> to connect to the 
        Quota Storage when a non-root user launches a pykota command. This prevents normal
        users from being able to modify their own, or other users', quota information.
        The database which will be created will be named <literal>pykota</literal> by default.
        <note>
          <title>Note</title>
          <para>
            You can choose other names if you want, just modify the 
            <filename>initscripts/postgresql/pykota-postgresql.sql</filename> file
            accordingly, and report your changes into <application>PyKota</application>'s
            configuration file.
          </para>
        </note>  
      </para>
      
      <para>
        To run this script, you can use the <application>psql</application> frontend to
        <application>PostgreSQL</application>, but your priviledges must be sufficient
        to be allowed to create users and databases. You can launch <application>psql</application>
        as the <literal>postgres</literal> user which is <application>PostgreSQL</application>'s
        default administrator, and connect to the default database named <literal>template1</literal>.
        From a command line interpreter (i.e. shell), type the following commands :
        <screen>
jerome@nordine:~$ cd pykota-1.18_official/initscripts/postgresql
jerome@nordine:~/pykota-1.18_official/initscripts$ psql -h localhost -U postgres template1
Welcome to psql, the PostgreSQL interactive terminal.

Type:  \copyright for distribution terms
       \h for help with SQL commands
       \? for help on internal slash commands
       \g or terminate with semicolon to execute query
       \q to quit

template1=# \i pykota-postgresql.sql 
            ... a lot of output lines
pykota=#       
        </screen>
      </para>
      
      <para>
        For security reasons, you may want to set passwords in 
        <application>PostgreSQL</application> for the 
        <literal>pykotaadmin</literal> and <literal>pykotauser</literal> users.
        Otherwise any user able to connect to 
        <application>PostgreSQL</application> on your Quota Storage Server 
        could connect to the quota database, and either see it, or even modify it without problem. 
      </para>
      
      <para>
        To do so, just type the following lines while still being at the <application>psql</application>
        prompt (replace the password values by your own, and do the same for the <literal>pykotauser</literal> user) :
        <screen>
pykota=# ALTER USER pykotaadmin PASSWORD 'somepassword';
ALTER USER
pykota=# \q
jerome@nordine:~/pykota-1.18_official/initscripts/postgresql$
        </screen>
      </para>
      
      <para>
        The <literal>\q</literal> command above will quit the <application>psql</application>
        program and return you to the shell's command line prompt.
      </para>
      
      <para>
        To improve security further, you could encrypt your database connections, or
        take any other step as needed. Please refer to <application>PostgreSQL</application>'s
        documentation for details. Also if <application>PyKota</application>'s configuration
        file <filename>/etc/pykota/pykotadmin.conf</filename> is readable by anyone with access on your file system, a local user could 
        create some script to modify his own print quota.
        <warning>
          <title>Warning</title>
          <para>
            Defining passwords may not be sufficient if your database access rule is
            set to <literal>trust</literal> in the <filename>/etc/postgresql/pg_hba.conf</filename>.
            Again, please refer to <application>PostgreSQL</application>'s documentation
            for details. Also, passwords will fly unencrypted over the network by default,
            so be sure to take any necessary step to secure your database server from
            unauthorized use. This has nothing to do with <application>PyKota</application>
            though, it is just a general rule to keep in mind.
          </para>
        </warning>  
      </para>
      
      <para>
        If no error occured, then your Quota DataBase is ready to be used.
        Now you can let the Quota Storage Server alone, the remaining work
        will have to be done on each one of the print servers which will
        use this particular Quota Storage Server.
        <tip>
          <title>Tip</title>
          <para>
            If an error occured, maybe your PostgreSQL version is too old, or
            an unexpected problem (like a bug) happened. Please contact us via email so that we
            can try to solve the problem. Thanks in advance.
          </para>
        </tip>  
      </para>
      
    </sect2>  
    
    <sect2>
      <title>OpenLDAP</title>
      
      <para>
        From version 1.09 on, <application>OpenLDAP</application> can be used as a Quota Storage Backend.
        It is possible that other LDAP servers can be used, but this is currently untested.
      </para>
      
      <para>
        <application>OpenLDAP</application> is a Lightweight Directory Access Protocol server
        implementation published as Free Software.
        You can download it from <ulink url="http://www.openldap.org">http://www.openldap.org</ulink>.
      </para>
      
      <para>
        To use <application>OpenLDAP</application> as your Quota Storage Backend, you have to copy the
        <filename>pykota/initscripts/ldap/pykota.schema</filename> in <application>OpenLDAP</application>'s 
        schemas directory.
        Under Debian GNU/Linux, this is something like :
        <screen>        
$ cp pykota.schema /etc/ldap/schema
        </screen>
     </para>
     <para>   
       Then edit <filename>/etc/ldap/slapd.conf</filename> and add a line to    
       include the PyKota schema. You should have something
       like :
       <screen>    
# Schema and objectClass definitions
include         /etc/ldap/schema/core.schema
include         /etc/ldap/schema/cosine.schema
include         /etc/ldap/schema/nis.schema
include         /etc/ldap/schema/inetorgperson.schema
include         /etc/ldap/schema/pykota.schema
        </screen>        
      </para>
      
      <para>
        While this is not mandatory, it is recommended that you setup
        some indexes for some often accessed PyKota attributes.
        Actually, the <acronym>LDAP</acronym> schema included with
        PyKota doesn't allow indexes of another type than <literal>eq</literal>,
        but this will change in a next release. Here are the minimal indexes
        lines you may want to put in <filename>slapd.conf</filename> :
        <screen>
# Indexes for PyKota
index pykotaUserName eq
index pykotaGroupName eq
index pykotaPrinterName eq
index pykotaLastJobIdent eq
        </screen>
      </para>
      
      <para>
        Finally, restart the <application>OpenLDAP</application> server :    
        <screen>    
$ /etc/init.d/slapd restart
        </screen>
      </para>
      
      <para>
        With an <acronym>LDAP</acronym> backend, PyKota will need some branches
        in your <acronym>LDAP</acronym> directory to put its own datas.
        You can configure PyKota to either attach its datas to your existing
        users and groups, or to put them in their own <literal>ou</literal>.
        But some <literal>ou</literal>s dedicated to PyKota are needed in any case,
        so the best bet may be to put all PyKota's datas below an <literal>ou=PyKota</literal>
        branch. While this will separate these datas from your existing users and groups
        entries, this may ease the maintainance.
      </para>
      
      <para>
        PyKota needs at least an <literal>ou</literal> for printers, for users quotas, for
        groups quotas, for print jobs, and for pointers to the last job of each printer.
        In the future, this last <literal>ou</literal> may disappear as its content
        will probably be attached to each printer.
      </para>
      
      <para>
        Actually PyKota doesn't create these <literal>ou</literal>s for you, because it's
        difficult to guess what is the best configuration for you. So you have to
        create them by yourself, either directly with a text editor and the
        <application>ldapadd</application> command, or with some specialized tool
        like <application>gq</application>.
      </para>
      
      <para>
        Once you have chosen and created your directory structure, you have to modify PyKota's configuration files <filename>/etc/pykota/pykota.conf</filename>
        and <filename>/etc/pykota/pykotadmin.conf</filename>
        to set some LDAP specific options and binding <literal>dn</literal>s. The easiest is
        probably to give a look at 
        <filename>pykota/conf/pykota.conf.sample</filename> to see all the options that are
        needed. Adapt the values to your own configuration, and finally initialize your 
        Quota Storage with the help of the <application>edpykota</application> command.
      </para>
    </sect2>  
    
    <sect2>
      <title>MySQL</title>
      
      <para>
        A <application>MySQL</application> Storage Backend is planned, but it actually
        doesn't exist.
      </para>
    </sect2>  
    
    <sect2>
      <title>Berkeley DB</title>
      
      <para>
        A <application>Berkeley DB</application> Storage Backend is planned, but it actually
        doesn't exist. It seems that remote storage won't be possible with such a backend,
        so in other terms this means that you will have a different quota database on
        each print server. This may still prove to be useful for small configurations.
      </para>
    </sect2>  
  </sect1>  
  
  <sect1>
    <title>Print Server Installation</title>
    
    <para>
      For each Print Server on which you plan to implement the print quota
      mechanism, you have, of course, to have an already working printing environment. 
      Currently <application>PyKota</application> works with either 
      <ulink url="http://www.cups.org"><application>CUPS</application></ulink>
      or <ulink url="http://lprng.sourceforge.net"><application>LPRng</application></ulink>,
      but more printing systems may be added in the future.
    </para>
    
    <para>
      Here's the list of software you have to install on each Print Server, version numbers
      are given as an indication of which was successfully tested, but older versions may 
      work too.
      <itemizedlist>
        <listitem>
          <para>
            <application>CUPS</application> version 1.1 or above, or <application>LPRng</application>
            version 3.8.20 or above (it probably works with older versions but this is untested).
            You can download them from <ulink url="http://www.cups.org">http://www.cups.org</ulink>
            or <ulink url="http://lprng.sourceforge.net">http://lprng.sourceforge.net</ulink>
          </para>
        </listitem>  
        <listitem>
          <para>
            Python version 2.1 or above.
            You can download it from <ulink url="http://www.python.org">http://www.python.org</ulink>.
          </para>
        </listitem>  
        <listitem>
          <para>
            Quota Storage client libraries, depending on your Quota Storage Backend :
            <itemizedlist>
              <listitem>
                <para>
                  PostgreSQL backend :
                  <itemizedlist>
                    <listitem>
                      <para>
                        <application>PostgreSQL</application> client libraries. They must match the <application>PostgreSQL</application>
                        version used on your Quota Storage Server.
                      </para>
                    </listitem>  
                    <listitem>
                      <para>
                        The <application>PygreSQL</application> python module. 
                        It must have been compiled against the same
                        <application>PostgreSQL</application> client libraries.
                        <application>PygreSQL</application> is normally included in
                        <application>PostgreSQL</application>, but you may want to
                        download it from <ulink url="http://www.pygresql.org">http://www.pygresql.org</ulink>
                      </para>
                    </listitem>  
                  </itemizedlist>  
                </para>
              </listitem>  
              <listitem>
                <para>
                  OpenLDAP backend : 
                  <itemizedlist>
                    <listitem>
                      <para>
                        <application>OpenLDAP</application> client libraries. They must match
                        the <application>OpenLDAP</application> version used on your Quota Storage Server.
                      </para>
                    </listitem>  
                    <listitem>
                      <para>
                        The <application>Python-LDAP</application> python module.
                        It must have been compiled against the same
                        <application>OpenLDAP</application> client libraries.
                        You may download this module from <ulink url="http://python-ldap.sourceforge.net">http://python-ldap.sourceforge.net</ulink>
                      </para>
                    </listitem>  
                  </itemizedlist>
                </para>
              </listitem>
              <listitem>
                <para>
                  MySQL backend : TODO
                </para>
              </listitem>
              <listitem>
                <para>
                  Berkeley DB backend : TODO
                </para>
              </listitem>
            </itemizedlist>  
          </para>
        </listitem>  
        <listitem>
          <para>
            <application>ucd-snmp</application> or <application>net-snmp</application> tools, version 4.2.5 or above. You only need
            the <application>snmpget</application> command.
            You can download this software from <ulink url="http://www.sourceforge.net/projects/net-snmp/">http://www.sourceforge.net/projects/net-snmp/</ulink>.
            You only need this if you plan to query your printers for their internal page counter via SNMP.
          </para>
        </listitem>  
        <listitem>
          <para>
            <application>netatalk</application> version 1.6.1 or above. You only need
            the <application>pap</application> command.
            You can download this software from <ulink url="http://netatalk.sourceforge.net/">http://netatalk.sourceforge.net/</ulink>.
            You only need this if you plan to query your printers for their internal page counter via AppleTalk.
          </para>
        </listitem>  
        <listitem>
          <para>
            eGenix' mxDateTime Python module version 2.0.3 or above. It must match your default Python version.
            You can download it from <ulink url="http://www.egenix.com">http://www.egenix.com</ulink>.
          </para>
        </listitem>  
      </itemizedlist>  
    </para>
    
    <para>
      Instead of downloading all these programs' sources and compiling them, which really
      is a boring task considering that many software are needed, you may prefer to look
      into the packages included with your GNU/Linux distribution of choice (if you use
      this operating system of course). Most, if not all, GNU/Linux distributions include
      all the software mentionned above, in the form of packages which are easier to
      install than sources tarballs. This is probably the same for the many *BSD
      distributions.
    </para>
    
    <para>
      Once all these software are installed, installing PyKota itself is a breeze.
      PyKota being written entirely in the Python language, which is interpreted, 
      there's no need to compile anything. You just have to execute the installation
      script :
      <screen>      
$ python setup.py install      
      </screen>
    </para>
    
    <para>
      The installation script will try to do a safe upgrade if needed. 
      Also it will check if some needed software is missing or unavailable 
      and will tell you so. This may be the case for example if you 
      installed several versions of the Python language, and some Python 
      modules are only available for one of them which is not the one you 
      are actually running. 
    </para>
    
    <para>
      On your first installation, the setup script will automatically create
      the <filename>/etc/pykota</filename> directory and put the sample 
      configuration files <filename>conf/pykota.conf.sample</filename> and
      <filename>conf/pykotadmin.conf.sample</filename> there, after having
      renamed them respectively <filename>pykota.conf</filename> and 
      <filename>pykotadmin.conf</filename>. Once copied there, you just
      have to modify these files to adapt them to your own setup.
      These files are heavily commented, so you should have no problem.
      Also their format is quite common, because it's the one used by
      <application>Samba</application> for example, or by <literal>.ini</literal>
      files under <application>MS-Windows</application>, so you may already
      be familiar with this syntax.
      In a future release, this documentation will include the complete
      reference for all configuration fields available. Keep in mind that
      PyKota can be really heavily customized, and can delegate some work
      to any external command of your choice.
    </para>
    
    <para>
      On later installations, the setup script won't modify any of your
      configuration files. However it will try to explain what have changed
      and encourages you to manually do the modifications which are needed.
      Please create a backup of the <filename>/etc/pykota</filename>
      directory before modifying anything.
      Under some circumstances, the setup PyKota may refuse to install PyKota
      until you have modified your configuration. Just do it and restart
      the installation script as described above.
    </para>
    
    <para>
      PyKota features some interesting possibilities which allow you to
      define options either globally so that they apply to all printers,
      or on a per printer basis. Please see the sample configuration files
      to see what I mean. In the simplest form, only a global section is
      needed. In more complex configurations, you will have to create 
      one section per printer. Each section in the configuration files
      begins with a name between square brackets <literal>[]</literal>.
      The name to use to define a particular printer section is the name
      of the print queue on which you want to set quotas.
    </para>
    
    <para>
      After you have modified PyKota's configuration files, you have to
      double check their permissions, otherwise your installation may be
      insecure or may not work at all.
      The main configuration file <filename>/etc/pykota/pykota.conf</filename>
      doesn't contain much sensitive information, so it can be made
      readable by anyone. If normal users read this file, at best they
      will learn the username and optional password of the read-only
      database user, so they won't be allowed to do any harm.
      On the other hand, the <filename>/etc/pykota/pykotadmin.conf</filename>
      file contains the read-write user's identity and password. You must then
      ensure that no normal user can read this file. It should only be readable
      by the <literal>root</literal> user, which is always the case, by
      the user your printing system is running as, and optionally by the print administrators,
      who are usually members of the <literal>lpadmin</literal> group. Under my Debian GNU/Linux system,
      with CUPS, here's how to do to give the correct permissions :
      <screen>
$ chown root.root /etc/pykota/pykota.conf      
$ chmod 644 /etc/pykota/pykota.conf      
$ chown lp.lpadmin /etc/pykota/pykotadmin.conf      
$ chmod 640 /etc/pykota/pykotadmin.conf      
      </screen>
    </para>
    
    <para>
      Now depending on your printing system, the configuration to do is particular.
      We will now see how to plug PyKota into your printing system.
    </para>
    
    <sect2>
      <title>With CUPS</title>
      
      <para>
        From version 1.16alpha7 on, configuring PyKota to integrate
        within CUPS is more than easy.
      </para>
      
      <para>
        You just have to create a symbolic link to the <filename>cupspykota</filename>
        command in CUPS' backend directory :
        <screen>        
$ cd /usr/lib/cups/backend        
$ ln -s /usr/share/pykota/cupspykota cupspykota
        </screen>
      </para>
      
      <para>
        You have to restart <application>CUPS</application> for this modification to
        take effect : 
        <screen>
$ /etc/init.d/cupsys restart        
        </screen>
      </para>
      
      <para>
        Now point your web browser to CUPS configuration page, usually at 
        <ulink url="http://localhost:631">http://localhost:631</ulink> on
        your print server.
      </para>
      
      <para>
        Then when creating new printers or reconfiguring existing ones, just
        choose devices which are <literal>PyKota managed</literal> instead of
        normal devices. You've got one <literal>PyKota managed</literal> device
        for each regular device available from CUPS, so just choose the appropriate
        one.
      </para>
      
      <para>
        Repeat the above procedure for each print queue on which you want to use
        PyKota. That's all !
      </para>
      
      <sect3>
        <title>Troubleshooting</title>
        <para>
          In case of problem, the simplest way to solve it is currently
          to ask on PyKota's mailing list, describing the symptoms, as
          well as the hardware and software you use.
          In a future release of this document, a section dedicated to 
          Frequently Asked Questions will be included.
        </para>
        
        <para>
          You can now also ask us questions on IRC :
          <screen>
/server irc.freenode.net          
/join #pykota
          </screen>
        </para>  
      </sect3>  
      
    </sect2>
    
    <sect2>
      <title>With LPRng</title>
      <para>
        To plug PyKota into your <application>LPRng</application> setup, 
        you have to modify the <filename>/etc/printcap</filename>.
        You just have to add the following lines to each queue on 
        which you want to use PyKota :
        <screen>
  :achk=true
  :as=|/usr/share/pykota/pykota
        </screen>
      </para>
      
      <para>
        You have to restart <application>LPRng</application> for this modification to
        take effect : 
        <screen>
$ /etc/init.d/lprng restart        
        </screen>
      </para>
      
      <para>
        Repeat the above procedure for each print queue on which you want to use
        PyKota. That's all !
      </para>
      
      <sect3>
        <title>Troubleshooting</title>
        <para>
          In case of problem, the simplest way to solve it is currently
          to ask on PyKota's mailing list, describing the symptoms, as
          well as the hardware and software you use.
          In a future release of this document, a section dedicated to 
          Frequently Asked Questions will be included.
        </para>
        
        <para>
          You can now also ask us questions on IRC :
          <screen>
/server irc.freenode.net          
/join #pykota
          </screen>
        </para>
      </sect3>  
      
    </sect2>
    
  </sect1>  
</chapter>

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$Log$
Revision 1.24  2004/02/13 08:46:32  jalet
Fixed documentation wrt installation paths changed

Revision 1.23  2004/01/30 17:13:56  jalet
1.17

Revision 1.22  2003/11/15 14:59:53  jalet
Documentation wrt the new CUPS backend.

Revision 1.21  2003/10/14 20:26:53  jalet
Better documentation.
1.15 is out !

Revision 1.20  2003/07/25 13:20:32  jalet
Typo which wasn't

Revision 1.19  2003/07/25 13:18:44  jalet
Typos

Revision 1.18  2003/07/25 10:41:29  jalet
Better documentation.
pykotme now displays the current user's account balance.
Some test changed in ldap module.

Revision 1.17  2003/06/30 21:44:18  jalet
1.09 is out !

Revision 1.16  2003/06/24 21:37:05  jalet
Minor changes

Revision 1.15  2003/06/10 16:37:54  jalet
Deletion of the second user which is not needed anymore.
Added a debug configuration field in /etc/pykota.conf
All queries can now be sent to the logger in debug mode, this will
greatly help improve performance when time for this will come.

Revision 1.14  2003/06/05 07:12:29  jalet
Reorganization of directories

Revision 1.13  2003/04/24 21:09:47  jalet
Documentation slightly improved.

Revision 1.12  2003/04/17 21:33:16  jalet
Version 1.03 is out.

Revision 1.11  2003/03/25 09:32:06  jalet
Improved documentation.

Revision 1.10  2003/03/23 17:59:56  jalet
Clarify a point.

Revision 1.9  2003/03/23 17:57:20  jalet
Deleted a repetition.

Revision 1.8  2003/03/22 15:34:50  jalet
More complete installation documentation.

Revision 1.7  2003/03/22 14:26:45  jalet
Download instructions added.

Revision 1.6  2003/03/22 14:06:02  jalet
Quota Storage Server installation is OK for PostgreSQL.

Revision 1.5  2003/03/22 13:11:33  jalet
The port on which the Quota Storage Sever is listening can now
be set in the configuration file (see sample).
Better error handling if PygreSQL is not installed.
Improved documentation.
Version number changed to 1.02alpha

Revision 1.4  2003/03/22 07:20:38  jalet
More information wrt PostgreSQL tcp/ip configuration.

Revision 1.3  2003/03/18 22:18:25  jalet
The documentation will only be a sequence of chapters in a single part, not
multiple parts each including chapters.

Revision 1.2  2003/03/18 22:10:54  jalet
Documentation improvements.

Revision 1.1  2003/02/08 00:03:35  jalet
Documentation skeleton added


-->