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Integrating the Apache Web Server and Python
The apache2–mod_python module embeds the Python environment into the Apache Web
server. Embedding this environment avoids the run-time overhead of starting the Python
environment externally.
Use the apache2–mod_python package provided by the Linux distribution.
1. Verify that the apache2–mod_python module is installed by entering the following
command:
# rpm -q python apache2-mod_python
2. Edit the /etc/sysconfig/apache2 file by adding python to the line with
APACHE_MODULES.
After completing this edit, the line should look like the following:
APACHE_MODULES="... ... python"
3. Create the following test file:
/srv/www/htdocs/test.py
Add the following lines to the preceding file
from mod_python import apache
def handler(req):
req.content_type = 'text/plain'
req.write("Hello World!")
return apache.OK
4. Edit the following file:
/etc/apache2/conf.d/mod_python.conf
Add the following lines to the preceding file:
<Directory
AddHandler mod_python .py
PythonHandler test
PythonDebug On
</Directory>
5. Restart Apache by entering the following command:
# /etc/init.d/apache2 restart
6. Verify that Python works by opening a browser and navigating to:
http://<YOUR_HOSTNAME>/test.py
The web page displays the following text:
Hello World!
If there are any errors, check the following log files:
/var/log/apache2/error_log
/var/log/apache2/access_log
Connecting Tomcat to a Database
Connecting Tomcat to a database requires a JDBC driver for that particular database . The driver
is responsible for translating calls from Java programs to the native protocol that is understood
by the database. Figure 11 depicts the connection between Tomcat and a database using JDBC.
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