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2006-09-18 slerena <slerena@artica.es>

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* en/pandora.xml: A new file called pandora.xml is now
	"install guide". We'll have two different docs: User guide	
	(pandora_userguide), and Install / Advanced guide.

	* en/pandora_install.xml: New XML include file for install	
        guide. Pandora Server and Pandora Console SQL install docs	
        almost finished. Need to be revised (pleeeeease!)
	


git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@176 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
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<?xml version="1.0" encoding="utf-8" standalone="no" ?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!ENTITY pandora_version "v1.2">
<!ENTITY pandora "<emphasis>Pandora</emphasis>">
<!ENTITY include_pandora_install SYSTEM "pandora_install.xml">
<!ENTITY include_fdl SYSTEM "fdl.xml">
<!ENTITY include_gpl SYSTEM "gpl.xml">
]>
<book lang="en">
<bookinfo>
<title>&pandora; &pandora_version;</title>
<graphic fileref="./img/pandora_logo.jpg" valign="bottom" align="center"/>
<copyright>
<year>2006</year>
<holder>
Ártica Soluciones Tecnológicas S.L, Sancho Lerena, Esteban Sánchez y otros.
</holder>
</copyright>
<date>11/09/2006</date>
<releaseinfo>&pandora_version;</releaseinfo>
<edition>First Edition(&pandora_version;)</edition>
<pubdate>
September 11th, 2006</pubdate>
<keywordset>
<keyword>pandora user manual</keyword>
</keywordset>
<legalnotice>
<para>
Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU Free Documentation
License, Version 1.1 or any later version published by the
Free Software Foundation. A copy of the license is included
in the section entitled <quote>GNU Free Documentation
License</quote>.
</para>
</legalnotice>
<revhistory>
<revision>
<revnumber>1.0</revnumber>
<date>11 Sept 2006</date>
<revremark>Submitted.</revremark>
</revision>
<revision>
<revnumber>0.1</revnumber>
<date>11 Sept 2006</date>
<revremark>First draft for review.</revremark>
</revision>
</revhistory>
</bookinfo>
&include_pandora_install;
&include_fdl;
&include_gpl;
</book>

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<?xml version="1.0" encoding="ISO-8859-15"?>
<chapter>
<title>&pandora; installation</title>
<sect1>
<title>Prerequisites</title>
<para>
&pandora; is not only a single app, its composed by
several shellscript files (Unix Agents), a WEB application in
PHP (Console), some code in C++ (Windows Agent), some code in
PERL5 (Server) and some structure and data in SQL (Database),
so, to get all this running you need to have some pieces of
software installed in your system. This is a list of packages,
libraries and software you need before install &pandora;.
</para>
</sect1>
<sect1>
<title>Pandora Server install and setup</title>
<sect2><title>Pandora Data Server</title>
<para>
To build <emphasis>Pandora Data Server</emphasis> you need to
have the following perl modules and software installed in your
machine. This packages could be installed using your
distribution packaging system or using CPAN.
<blockquote>
<itemizedlist mark='bullet'>
<listitem><para>XML::Simple, useful XML functions
</para></listitem>
<listitem><para>Digest::MD5, MD5 generation
</para></listitem>
<listitem><para>Time::Local, Date and Time basic manipulation
</para></listitem>
<listitem><para>DBI, DB interface with MySQL
</para></listitem>
<listitem>
<para>
Date::Manip, needed to manipulate Date and Time formats
of input, output and compare
</para>
</listitem>
</itemizedlist>
</blockquote>
You can find them at http://www.cpan.org or install using your
default package instalation system. These packages are in the
default distribution of Suse 9.1 and Debian 3.0 GNU/Linux. Also
available for Solaris in CPAN repository. If you use Windows go
to http://ppm.activestate.com. Or you can use the ppm tool to
download the modules:
<programlisting>
ppm install DBI
ppm install DBD-mysql
ppm install Datemanip
</programlisting>
Next, you need to set the TZ (Time Zone) environment
variable. In Windows: set TZ=WET (for example)
</para>
</sect2>
<sect2><title>Pandora Network Server</title>
<para>
Requires SSH Server and Perl v5.8 or higher and the next Perl Modules:
<blockquote>
<itemizedlist mark='bullet'>
<listitem>
<para>
IO::Socket, manage and manipulation of TCP/UDP sockets
</para>
</listitem>
<listitem>
<para>
Time::HiRes, needed for ICMP times
</para>
</listitem>
<listitem>
<para>
Time::Local, Date and Time basic manipulation
</para>
</listitem>
<listitem>
<para>
SNMP, for SNMP management
</para>
</listitem>
<listitem>
<para>
Date::Manip, needed to manipulate Date and Time formats
of input, output and compare
</para>
</listitem>
<listitem>
<para>
Net::Ping, to calculate latency times (it's required
that the server runs as root user).
</para>
</listitem>
</itemizedlist>
</blockquote>
To use SNMP fuctions it's needed also to have installed the
net-snmp package. It's worth to say that to run modules of
GENERIC_ICMP_DATA type (calculate ICMP latency time) Pandora
Network Server must run with root privileges.
</para>
</sect2>
<sect2><title>Pandora SNMP Server</title>
<para>
You need to install the NET-SNMP package which is included in
all GNU/Linux distributions. You have to use the snmptrapd
binary and copy or link it to $HOME_PANDORA/util, where
$HOME_PANDORA is the instalation directory of Pandora.
</para>
<para>
This binary gets the SNMP traps, generating a log that is
parsed by the Pandora Server.
</para>
</sect2>
<sect2><title>Installing Pandora Server</title>
<para>
Create the <filename>/opt/pandora</filename> directory and
"gunzip" and "untar" here the
<filename>pandora_server_1.2.tar.gz</filename> file.
</para>
<para>
Create an user pandora in OS. Usually you do that (in GNU/Linux)
with commands:
<programlisting>
useraddd pandora -d /home/pandora
mkdir /home/pandora
chown pandora /home/pandora
</programlisting>
This user will be used by the SSH transfers to the server, so
this user will need a strong password.
</para>
<para>
In the file
<filename>/home/pandora/.ssh/authorized_keys</filename> we will
add the public key of each agent which send data to Pandora
Server. These keys must be SSH v2, OpenSSH DiffieHellman (DF) or
RSA. To convert between keys you can use the ssh-keygen tool.
</para>
<para>
Pandora Server will check and parse XML files sent by Pandora
Agents and will insert the data into the Database.
</para>
<para>
Check launch scripts (pandora_network, pandora_server,
pandora_snmp) and check for pathnames in the first two variables
in script. roa Server. This usually is
<filename>/opt/pandora_server</filename>
</para>
</sect2>
<sect2><title>Configuring your new Pandora Server setup</title>
<para>
After install Pandora Server in, you will need to edit the file
<filename>pandora_server.conf</filename>, where are defined the
variables of the server configuration. File
<filename>pandora_server.conf</filename> is a text file, you could
edit with your prefer text editor, like emacs. This configuration
file is common to all kinds of Pandora Server (Data server, SNMP
Server, Network server), you also could have different copies of
configuration file for each Pandora Server you have.
</para>
<para>
Edit configuration file of Pandora Server, usually
<filename>/opt/pandora/conf/pandora_server.conf</filename> and
take a look at the lines:
<programlisting>
dbuser pandora
dbpass pandora
dbhost localhost
</programlisting>
Please change them to your own data. For security reasons isn't
recommended use the default values. If you run Pandora Server in
Windows, you need to use the backslash twice in $dirname, that is:
"\\", for example: my
$dirname="C:\\pandora\\pandora_server\\data_in";, not needed in
$log_file.
</para>
<para>
These are default values, and all must be existing directory and
filename and valid username, password and hostname.
</para>
<para>
Remember: you need to create the directory /opt/pandora/data_in
where Pandora Server will read and write data, sent by remote
agents using ssh/scp. This directory must be owned or with
permissions to write for user "pandora". If you dont have a
"pandora" user yet, create it.
</para>
<para>
You can run Pandora Server with an user without privilegues, you
can use the user "pandora", it only needs to run /usr/bin/perl and
access to <filename>/opt/pandora</filename> and
<filename>/opt/pandora/data_in</filename> directories.
</para>
<para>
This is true with all the components but with Pandora SNMP Console
needs root user to open UDP port 161 (this can be solved setting
SUID0 to the snmptrapd binary) and running the rest of the Server
using an user without privileges.
</para>
<para>
Also Pandora Network Server can be run using an user without
privileges, but the GENERIC_ICMP_DATA type won't work, as root
privileges are required to get ICMP latency times.
</para>
<para>
Check the MySQL connection with the user and password before running the server
</para>
<para>
Pandora Server distribution tarball includes a Posix/System V
start/stop script for "daemonize" Pandora Server. It is possible
that you need to customize, but its runs smoothly on GNU/Linux
(debian, Suse) and Solaris 8 systems. It has start|stop|restart
parameters to include it in your default init level directory and
it creates a logfile defined in $log_file variable (by default is
<filename>/opt/pandora/pandora.log</filename>):
<programlisting>
/etc/init.d/pandora_server start
</programlisting>
</para>
<sect3><title>Setting up SSH configuration</title>
<para>
Pandora, uses SSH protocol to copy XML data packets,
generated by the agents, to the server. You need to generate a
SSH2 key in every agent, and copy the public key in
<filename>/home/pandora/.ssh/authorized_keys</filename>, so you
need to create a user called "pandora" withour privileges. This
user will be used by agents to copy data into Pandora Data Server
<filename>/opt/pandora/data_in</filename> directory.
</para>
<para>
Please BE SURE that user "pandora" exists (if not, create with
useradd), and
<filename>/home/pandora/.ssh/authorized_keys</filename> exists and
ownership of this file and directory is for pandora user, and
permissions set to 600.
</para>
<para>
Please be sure that directory
<filename>/opt/pandora/data_in</filename> exists and pandora
user is able to write in.
</para>
</sect3>
</sect2>
</sect1>
<sect1>
<title>Installing Pandora Console and database</title>
<sect2><title>Pandora database</title>
<para>
Please look at MySQL install and management guide
(http://dev.mysql.com/doc) to obtain information about how to
create a MySQL database, how to manage mysql users and give
him/her privileges to read/write in Pandora database. Remember
that you must write the password of the root user in MySQL
database to enter mysql command line. This user is not the same
of the Operating System. The root password in MySQL is in blank
by default (within almost all distributions), you must changed
this password with the MySQL command
<filename>mysqladmin</filename>. Please be careful with this.
</para>
<para>
You need a database with name "pandora", you could rename it, but
you need to reconfigure in server too.
</para>
<para>
To create the structure of Pandora database in MySQL Server you have the SQL script "pandoradb.sql".
</para>
<para>
It creates tables and indexes needed to insert information into
Pandora database.
</para>
<para>
You MUST populate database with SQL script "pandoradb_data.sql",
it inserts data needed to run Web Console and default user
(login: admin, pass: pandora) to access Pandora Web Console.
</para>
<para>
First create a database called "pandora", and set an user to be
able to access this database:
</para>
<programlisting>
mysql> create database pandora;
</programlisting>
<para>
Later, execute the next commands using a user with enough
privileges to create tables and indexes for pandora Database into
your MySQL Server:
</para>
<programlisting>
cat pandoradb.sql | mysql -D pandora -u root -p
cat pandoradb_data.sql | mysql -D pandora -u root -p
</programlisting>
<para>
Note: if your system is Windows, use the command type instead of
cat.
</para>
<para>
You can also use the source command, if you are connected to
MySQL, from the MySQL prompt:
</para>
<programlisting>
mysql> use babel
mysql> source path_to_babel_dbstruct.sql
mysql> source path_to_babel_dbdata.sql
</programlisting>
<para>
This example is valid using root user in
MySQL<footnote><para>Remember if you're in Windows use the
double slash ("//") with the path to the files, not the
backslash ("\").</para></footnote>
</para>
<para>
Now we will create an user "pandora" and will be given to it
privileges from the localhost:
<programlisting>
mysql> grant all on pandora.* to 'pandora'@'localhost' identified by 'pandora';
</programlisting>
Keep in mind that users need access from Pandora WEB Console and
from Pandora Server, if your deployment has many subcomponents in
different physical machines, you need to setup a MySQL user with
privileges to access from different locations.
</para>
<para>
If you get the error "Warning: mysql_connect()
[function.mysql-connect]: client does not support authentication
protocol requested by server; consider upgrading" when
authenticating Web Console, you have to change the way the
password is stored into the database:
<programlisting>
mysql> set password for 'babel'@'localhost' = old_password('babel');
</programlisting>
Please note this user will be used by several babel
subcomponents(babel Server, babel Web Console) to access
database.
</para>
</sect2>
<sect2>
<title>Pandora Console.</title>
<para>Prior to install Pandora console, you need the following dependencies and software needed:
<blockquote>
<itemizedlist mark='bullet'>
<listitem>
<para>
Web server. Apache2 is recommended.
</para>
</listitem>
<listitem>
<para>
PHP 4.3.x, or PHP 5.x. Both has been tested for Pandora 1.2
</para>
</listitem>
<listitem>
<para>
PHP Modules for MySQL, GD, session management and SNMP.
</para>
</listitem>
<listitem>
<para>
JpGraph, it is necesary to generate graphics. It has an
open source license, you can download it in
http://www.aditus.nu/jpgraph/
</para>
</listitem>
</itemizedlist>
</blockquote>
</para>
<para>
To install Pandora Console, simply untar in your HTTP server
publishing directory and set perms to www-data or http user.
</para>
<para>
To setup Pandora Console, you only need to modify a file,
<filename>include/config.php</filename>, where the following
variables are included in .php code:
</para>
<programlisting>
$dbname="pandora"; // name of database for pandora (default: pandora)
$dbuser="pandora"; // mysql user to access db
$dbpassword="pandora"; // Password for mysql user to access db
$dbhost="pandora"; // Hostname or IP where mySQL server runs
</programlisting>
<para>
If database is defined and was correctly installed, you can
now access:
<programlisting>
http://hostname:port/installation_directory/index.php
</programlisting>
The first time you log there is a default admin user "admin"
and password "pandora". It's worth to say that <emphasis>YOU
MUST CHANGE CREDENTIALS BEFORE LOGIN FIRST TIME</emphasis>,
change it or create another account, give it administrator
privileges, and disable this one.
</para>
<para>
<graphic fileref="img/pandora_login.jpg" scale="70" align="center"/>
If you cannot see a screen like this, it's possible that you
have problems with PHP instalation. When you installed the
Web, please check that PHP engine its running. Fist try to
access to the server IP with a browser. You must see the
Welcome Apache page.
</para>
<para>
Remember that alter installing the PHP and the PHP module for
Apache you must stop and start the Server Apache. As an
example, Ubuntu with Apache2:
<programlisting>
/etc/init.d/apache2 stop
/etc/init.d/apache2 start
</programlisting>
To verify the PHP and Apache integration you can create the
file <filename>test.php</filename> with the following lines:
<screen>
&lt;?PHP
echo "&lt;h1&gt;TEST&lt;/h1&gt;";
phpinfo();
?&gt;
</screen>
Now, copy this file in the Apache HTTPDOC directory. This
directory depend of the Operating System or Linux
Distribution, for example in Ubuntu this directory is
<filename>/var/www</filename> and in SUSE is
<filename>/srv/www/htdocs</filename>).
</para>
<para>
To check this integration, please use your browser to open the
following URL:
<programlisting>
http://IP/test.php
</programlisting>
Where IP is IP Address of your Apache server. If the
integration is correct you will see in the browser a text
string with big font: <quote>TEST</quote> and a big table with
a lot of info about your PHP installation.
</para>
<sect3><title>Graphic reporting instalation</title>
<para>
For correct graphic generation, you need to enter the full
path to a TrueType font installed in your system. By default a
free truetype font is distributed with Pandora Console
package, and placed in
<filename>./reporting/FreeSans.ttf</filename> file. Please
check that setup directive
<filename>$config_fontpath</filename> is well configured.
</para>
<para>
Pandora 1.2 uses JpGraph for viewing graphics. JpGraph is a
different project and has no relationship with Pandora, so you
need to install it. You can find at
<filename>http://www.aditus.nu/jpgraph/</filename>. Download
last version (2.x), and place all <filename>.php</filename>
files from src directory into
<filename>reporting/jpgraph</filename> Pandora Console
directory.
</para>
</sect3>
</sect2>
</sect1>
</chapter>