SwiftRiver is a tool that helps people curate and make sense of large amounts of data in a short amount of time. The data originates from various channels such as RSS feeds, Email, Twitter, Facebook, SMS etc

To run the application, the following software packages must be installed your production or development environment:

• PHP 5.2.3 or greater
• Apache HTTP Server 2.x
• MySQL Database Server 5.1 or greater

In addition to the software packages outlined above, the following PHP libraries MUST be installed and enabled in your PHP configuration file:

• cURL (http://php.net/curl) for accessing remote sites
• OpenSSL (http://php.net/openssl) secure comms
• IMAP (http://php.net/imap) for accessing local and remote mailboxes
• MySQL (http://php.net/mysql) for database access
• mcrypt (http://php.net/mcrypt) for cryptography services
• PCNTL (http://php.net/pcntl) for process control
• APC (http://php.net/apc) for in memory caching
• GD (http://php.net/gd) for image processing

This section covers the installation of the required extensions on OS X and Linux distributions only.

Run the following commands from the terminal:

$ sudo port install php5-curl
$ sudo port install php5-mcrypt
$ sudo port install php5-mysql
$ sudo port install php5-pcntl
$ sudo port install php5-openssl
$ sudo port install php5-apc
$ sudo port install php5-gd

Restart Apache:

sudo <path-to-apachectl> restart

Run the following command in Terminal:

$ sudo apt-get install php5-curl php5-mcrypt php5-mysql php5-gd

Restart Apache:

$ sudo service apache2 restart

$ sudo yum install php5-curl php5-mcrypt php5-mysql php5-pcntl php5-openssl php5-apc php5-gd

Restart Apache:

$ sudo service httpd restart

Add the following entries to your crontab to schedule crawling every 30 minutes and post processing every 15 minutes respectively:

0,30 * * * * cd <app home>; php5 index.php --uri=crawler >> application/logs/crawl.log 2>&1
0,15,30,45 * * * * cd <app home>; php5 index.php --uri=process >> application/logs/process.log 2>&1

River maintenance involves checking which rivers have expired and are about to expire and sending out notifications to their owners. To schedule maintenance to run every day at midnight, add the following entries to your crontab:

* 0 * * * cd <app home>; php5 index.php --uri=maintenance >> application/logs/maintenance.log 2>&1