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Installation

Installation of the software on Ubuntu 14.04

This part of the tutorial provides instruction on installing istSOS on a Linux Operating System based on Debian distribution. Nevertheless, even though extensive testing has been conducted in this environment only, istSOS is developed in Python which is known for its cross platform support and existing installation are recorded in Windows ® systems and OS X Apple’s operating system should be supported too. Interested users may look at the istSOS Website or ask support on the mailing list.

1) Install PostgreSQL and PostGIS

sudo apt-get install postgresql postgresql-9.3-postgis-2.1 pgadmin3

2) Configure postgreSQL password

sudo -u postgres psql
alter user postgres password '*******';

Note

Ctrl-D to exit from psql console

3) Install Apache2 and mod_wsgi

sudo apt-get install apache2 libapache2-mod-wsgi

4) Install psycopg2

sudo apt-get install python-psycopg2

5) Download istSOS and unpack it

Go to https://sourceforge.net/projects/istsos/files/latest/download?source=files the download of the latest version of istSOS will start in 5 seconds, save the file in the Downloads folder in your home directory, then unpack executing these commands:

cd ~/Downloads
sudo tar -zxvf istSOS-2.1.1.tar.gz -C /usr/local/

6) Set executing permission and owner for the services and logs folders

sudo chmod 755 -R /usr/local/istsos
sudo chown -R www-data:www-data /usr/local/istsos/services
sudo chown -R www-data:www-data /usr/local/istsos/logs
sudo chown -R www-data:www-data /usr/local/istsos/wns

7) Configure Apache and WSGI

Open /etc/apache2/sites-enabled/000-default:

sudo gedit /etc/apache2/sites-enabled/000-default.conf

And add the following lines just before the last VirtualHost tag:

<VirtualHost *:80>

    #ServerName www.example.com

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html

    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined

    WSGIScriptAlias /istsos /usr/local/istsos/application.py
    Alias /istsos/admin /usr/local/istsos/interface/admin
    Alias /istsos/modules /usr/local/istsos/interface/modules

</VirtualHost>

Warning

If you are using Apache/2.4.6 or above (like in Ubuntu 13.10 or above) you could meet the “403 Forbidden” message.

_images/forbidden.png

In that case additional setup shall be made. In the “000-default.conf”

<VirtualHost *:80>
      #ServerName www.example.com

      ServerAdmin webmaster@localhost
      DocumentRoot /var/www/html

      ErrorLog ${APACHE_LOG_DIR}/error.log
      CustomLog ${APACHE_LOG_DIR}/access.log combined

      WSGIScriptAlias /istsos /usr/local/istsos/application.py
      Alias /istsos/admin /usr/local/istsos/interface/admin
      Alias /istsos/modules /usr/local/istsos/interface/modules

      <LocationMatch /istsos>
          Options +Indexes +FollowSymLinks +MultiViews
          AllowOverride all
          Require all granted
      </LocationMatch>

</VirtualHost>

8) Restart the Apache web server

sudo service apache2 restart

9) Create your PostGIS database

For Postgresql 9.1 and later versions:

sudo -u postgres createdb -E UTF8 istsos
sudo -u postgres psql -d istsos -c 'CREATE EXTENSION postgis'

Warning

For older versions of postgresql:

sudo -u postgres createdb -E UTF8 istsos

sudo -u postgres psql -d istsos \
  -f /usr/share/postgresql/9.1/contrib/postgis-1.5/postgis.sql

sudo -u postgres psql -d istsos \
  -f /usr/share/postgresql/9.1/contrib/postgis-1.5/spatial_ref_sys.sql

Installation using deb package

1) Download istSOS package

Go to https://sourceforge.net/projects/istsos/files/latest/download?source=files the download of the latest deb of istSOS will start in 5 seconds, save the file in the Downloads folder in your home directory, then install executing these commands:

cd ~/Downloads
sudo dpkg -i python-istsos_<version>.deb
sudo apt-get -f install

This command will install all the required dependencies, with the exception of PostgreSQL and PostGIS as the database is not mandatory. In fact it could reside on other servers.

2) Create your PostGIS database

To install and configure the database, plese go to the ‘Installation of the software on Ubuntu 14.04’ paragraph and see the procedure explained at point 1, 2, and 9.

Installation on windows 7 and 8

1) install python

Download python 2.7 from https://www.python.org/downloads/ and install it. Check if the python path is in the Environment variables:

Computer > properties > advanced system settings > Environment Variables.
Check if the python27 exists in the variable Path, if not add ‘;C:\Python27\’

2) install postgreSQL with PostGIS

Get PostgreSQL from http://www.enterprisedb.com/products-services-training/pgdownload#windows and install it.

Note

During the installation configure the password to be ‘postgres’. Install postGIS 2.1 using the application Stack Builder at the end of the installation of postgreSQL. Check the option to create a new database and call it ‘istsos’

3) install apache 2.2

download Apache 2.2 (http://mirror.switch.ch/mirror/apache/dist//httpd/binaries/win32/) and install it using the .msi file.

Warning

If an error signals a missing dll, download and install Microsoft Visual C++, then try again to install Apache. If the error persists, download the missing dll from http://www.dll-files.com/dllindex/index-m.shtml and copy into the /windows/system32 folder and reboot the system.

4) install mod_wsgi

get the apache module mod_wsgi (http://www.lfd.uci.edu/~gohlke/pythonlibs/#mod_wsgi) for apache 2.2 and python 2.7 and copy it in the folder / modules of the Apache installation folder.

5) install extra modules

Download this extra modules and install them:

6) install istSOS

Download istSOS (http://sourceforge.net/projects/istsos/files/) and unpack under the disk C: so that will be a folder C:istsos

7) Configure apache2

Go to the folder where Apache is installed, modify the permissions of conf/httpd.conf and conf/extra/httpd-vhosts.conf so that they are writable from Everyone. Open conf/httpd.conf with a text editor and add this line:

LoadModule wsgi_module modules/mod_wsgi.so #close to the others LoadModule lines

Uncomment the line 'Include conf/extra/httpd-vhosts.conf' (remove the #)

Open conf/extra/httpd-vhosts.conf, delete the two examples of <VirtualHost> and paste the following code. Modify the paths so they correspond to the Apache and istSOS folders.

<VirtualHost *:80>
        ServerAdmin webmaster@localhost
        DocumentRoot "C:/Apache2/htdocs"
        <Directory />
                Options FollowSymLinks
                AllowOverride None
        </Directory>

        <Directory C:/Apache2/htdocs/>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride None
                Order allow,deny
                allow from all
        </Directory>

        ScriptAlias /cgi-bin/ "c:/Apache2/cgi-bin/"
        <Directory "c:/Apache2/cgi-bin">
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
        </Directory>

        ErrorLog "c:/Apache2/logs/error.log"
        LogLevel warn
        CustomLog "c:/Apache2/logs/access.log" combined
        Alias /doc/ "c:/Apache2/manual/"

        <Directory "c:/Apache2/manual/">
                Options Indexes MultiViews FollowSymLinks
                AllowOverride None
                Order deny,allow
                Deny from all
                Allow from 127.0.0.1
        </Directory>

        WSGIScriptAlias /istsos "c:/istsos/application.py"
        <Location "/istsos">
                Options Indexes MultiViews FollowSymLinks
                AllowOverride None
                Order deny,allow
                Deny from all
                Allow from 127.0.0.1
        </Location>
        Alias /istsos/admin "c:/istsos/interface/admin"
        Alias /istsos/modules "c:/istsos/interface/modules"
</VirtualHost>

8) restart Apache 2.2

Restart apache 2.2 using the icon or:

control panel > system and security > administrative tools > services
click on Apache 2.2 and then on restart.

Check the installation

Now istSOS is up and running. Open a web browser and go to http://localhost/istsos/admin. You should see the istSOS Web Admin page.

Note

If an error occurs, take a look at the Apache error log with this command to understand what’s going wrong

In Ubuntu try:

tail -f /var/log/apache2/error.log

In Windows open the file:

<Apache2.2 folder>\logs\error.log
istSOS
Download istSOS

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