ProCKSI

= ProCKSI Framework =
(needs to be updated)

Installation and Basic Configuration
This section describes the installation and configuration of the ProCKSI server component. This includes the configuration of the web server and the database.

The server component will be installed into the home directory of the user ''procksi''. Therefore, make sure that it is on a separate partition / hard disk with much space. In the best case, this will be a RAID system.

Get the latest release of the server component, referred to in the following as ''RELEASE'', and extract it into ''/home/procksi/RELEASE.'' {{{
tar -xvzf RELEASE.tgz
}}}

Create a softlink from ''RELEASE'' to a generic directory ''/home/procksi/latest''. This will be accessed by the web server: {{{
ln -s /home/procksi/RELEASE /home/procksi/latest
}}}

In order to test new versions, referred in the following as ''TEST'', before taking them officially online, create a softlink from ''TEST'' to a generic directory ''/home/procksi/test''. This will be accessed by the web server: {{{
ln -s /home/procksi/TEST /home/procksi/test
}}}

In case that you want to bring the test version online, just delete the softlinks and repeat the previous steps for the new release. Please make sure that always both softlinks exist!

Change into the administrative directory and run the installation script. Change the server settings, database settings and directory settings if necessary. {{{
cd /home/procksi/latest/admin
./configure.pl
}}}

Web Server Configuration
Make the following changes to the Apache configuration file (''/etc/httpd/conf/httpd.conf''): {{{
User procksi
Group procksi
ServerAdmin procksi@cs.nott.ac.uk
ServerName procksi.cs.nott.ac.uk
DocumentRoot /home/procksi/latest/html
<Directory /home/procksi/latest/html">
AllowOverride AuthConfig
</Directory>
LogFormat "%t h %l %u \"%r\" %>s %b \"{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%t %h %l %u \"%r\" %>s %b" common
LogFormat "%t %{Referer}i -> %U" referer
LogFormat "%t %{User-agent}i" agent

#Exclude Logging of Ganglia Requests
SetEnvIf Request_URI "ganglia" ganglia

#

1. The location and format of the access logfile (Common Logfile Format).
2. If you do not define any access logfiles within a <VirtualHost>
3. container, they will be logged here. Contrariwise, if you do
4. define per-<VirtualHost> access logfiles, transactions will be
5. logged therein and not in this file. #

CustomLog /home/procksi/latest/logs/access.log common env=!ganglia

#

1. If you would like to have agent and referer logfiles, uncomment the
2. following directives. #

CustomLog /home/procksi/latest/logs/referer.log referer env=!ganglia
CustomLog /home/procksi/latest/logs/agent.log agent env=!ganglia

#

1. For a single logfile with access, agent, and referer information
2. (Combined Logfile Format), use the following directive: #
   #CustomLog logs/access_log combined env=!ganglia

ScriptAlias /cgi-bin/ /home/procksi/latest/cgi-bin/

<Directory "/home/procksi/latest/cgi-bin">
AllowOverride None
Options None
Order allow,deny
Allow from all
</Directory>

Alias /data/ /home/procksi/latest/data/
Alias /images/ /home/procksi/latest/images/
Alias /styles/ /home/procksi/latest/styles/
Alias /applets/ /home/procksi/latest/applets/
Alias /scripts/ /home/procksi/latest/scripts/
Alias /ganglia/ /usr/local/ganglia/html/

#Redirection
Redirect /trac https://psiren.cs.nott.ac.uk/projects/procksi/

AddLanguage de .de
AddLanguage en .en
AddLanguage es .es
AddLanguage fr .fr
LanguagePriority en es de fr

Alias /errordocs/ "/home/procksi/errordocs"
<IfModule mod_negotiation.c>
<IfModule mod_include.c>
<Directory /home/procksi/errordocs>
AllowOverride none
Options MultiViews IncludesNoExec FollowSymLinks
AddType text/html .shtml
<FilesMatch "\.shtml[.$]">
SetOutputFilter INCLUDES
</FilesMatch>
</Directory>

ErrorDocument 400 /errordocs/400_BAD_REQUEST
        ErrorDocument 401 /errordocs/401_UNAUTHORIZED
        ErrorDocument 403 /errordocs/403_FORBIDDEN
        ErrorDocument 404 /errordocs/404_NOT_FOUND
        ErrorDocument 405 /errordocs/405_METHOD_NOT_ALLOWED
        ErrorDocument 406 /errordocs/406_NOT_ACCEPTABLE
        ErrorDocument 408 /errordocs/408_REQUEST_TIMEOUT
        ErrorDocument 410 /errordocs/410_GONE
        ErrorDocument 411 /errordocs/411_LENGTH_REQUIRED
        ErrorDocument 412 /errordocs/412_PRECONDITION_FAILED
        ErrorDocument 413 /errordocs/413_REQUEST_ENTITY_TOO_LARGE
        ErrorDocument 414 /errordocs/414_REQUEST_URI_TOO_LARGE
        ErrorDocument 415 /errordocs/415_UNSUPPORTED_MEDIA_TYPE
        ErrorDocument 500 /errordocs/500_INTERNAL_SERVER_ERROR
        ErrorDocument 501 /errordocs/501_NOT_IMPLEMENTED
        ErrorDocument 502 /errordocs/502_BAD_GATEWAY
        ErrorDocument 503 /errordocs/503_SERVICE_UNAVAILABLE
        ErrorDocument 506 /errordocs/506_VARIANT_ALSO_VARIES
    </IfModule>
</IfModule>

<Location /server-status>
SetHandler server-status
Order deny,allow
Deny from all
Allow from .cs.nott.ac.uk
</Location>

<Location /server-info>
SetHandler server-info
Order deny,allow
Deny from all
Allow from .cs.nott.ac.uk
</Location>
}}}

• Make the apache daemon start at bootup. Enter at the command line of the master node: {{{
  /sbin/chkconfig --add httpd
  /sbin/chkconfig httpd on
  }}}
  • Start the apache daemon. Enter at the command line of the master node: {{{
    /sbin/service httpd restart
    }}}

Email Configuration
The ProCKSI server component send emails to the user for several occasions. In order to make sure that they are delivered correctly even when the internet is temporarily not available, a local SMTP server (''postfix'') is set up. This will accect emails from the private network only, store them temporarily (if necessary), and forward them to an email relay server.

Make sure that ''postfix'' is the default mailing software (and not ''sendmail''!). {{{
system-switch-mail -activate postfix
}}}

Make the following changes to the ''postfix ''configuration file (''/etc/postfix/main.cf''): {{{
myhostname = procksi0.cs.nott.ac.uk
mydomain = cs.nott.ac.uk
myorigin = $mydomai
inet_interfaces = all
mydestination = $myhostname, localhost.$mydomain, localhost
mynetworks_style = subnet
virtual_alias_maps = hash:/etc/postfix/virtual
relayhost = marian.cs.nott.ac.uk
}}}

Create or modify ''/etc/postfix/virtual'': {{{
root root@localhost
postmaster postmaster@localhost
adm root@localhost
}}}

Generate the corresponding database file (''virtual.db''): {{{
postmap /etc/postfix/virtual
}}}

Make sure that the postfix daemon is running, and that it will start at boot time: {{{
/sbin/service postfix start
/sbin/chkconfig --add postfix
/sbin/chkconfig postfix on
}}}

Make sure that the firewall is not open for port 25 or port 28!

Check that the STMTP server in ''/home/procksi/latest/conf/main.ini'' is set correctly set to ''procksi0.cs.nott.ac.uk''

Garbage Cleanup Scheduling
After a certain period of time, given in ''/home/procksi/latest/conf/main.ini'', sessions and requests expire and must be deleted.

Edit ''procksi's'' crontab file taking effect for the ''latest'' and ''test'' version: {{{
crontab -e
0-59/1 * * * * /home/procksi/latest/cron/check_sessions.sh
1-59/1 * * * * /home/procksi/latest/cron/check_tasks.sh
2-59/1 * * * * /home/procksi/latest/cron/check_requests.sh
}}}

Analogously for ''/home/procksi/test''.

Linking External Software
Make sure that all links in ''/home/procksi/latest/bin'' point to the correct files of the operating system: {{{
sh, compress, bzip2, gzip, zip, ppmz, qsub
}}}

Make sure that all further executable links in ''/home/procksi/latest/bin'' point to the correct files on the file system: {{{
exec_cluster, exec_!DaliLite, exec_MaxCMO, exec_molauto, exec_molscript
}}}