added PHP pear install procedure

Author: mbautista

README.md

@@ -1,26 +1,32 @@
 # php-monitoring
 A simple PHP script to monitor network services
 
-# Install
+## Requirements
+PHP 5.x+ with PEAR Mail SMTP
+```
+apt-get install php5-cli php-pear && pear install Mail && pear install Net_SMTP
+```
+
+## Install
 ```
 cd /opt
 git clone git@github.com:ircf/php-monitoring.git
 ```
 
-# Configure services and alert
+## Configure services and alert
 ```
 cd /opt/php-monitoring
 cp config.inc.php-dist config.inc.php
 nano config.inc.php
 # Enter services, alert and save file
 ```
 
-# Configure cron
+## Configure cron
 ```
 ln -s /opt/php-monitoring/cron /etc/cron.d/php-monitoring
 ```
 
-# View services statuses
+## View services statuses
 Services statuses can be viewed from CLI :
 ```
 php /opt/php-monitoring/index.php

functions.php

@@ -118,7 +118,7 @@ function alert(){
   }
 
   /**
-   * Send a mail using PHP PEAR library
+   * FIXME Send a mail using PHP PEAR library
    */
   function mail($opts = array()){
     if (!isset($opts['factory'])) throw new Exception('mail factory not set');