Must setup for new web server

(i). PHP session clearance cron job

bash script with content:
#!/bin/bash
find /var/lib/php5 -mtime +2 -name 'sess_*' -delete

Add to cron job
1. crontab -e
2.
# m h  dom mon dow   command
5 0 * * * cleansession.sh

3. service cron restart


(ii) Enable Mod rewrite and Headers
 refer to blog post:
   http://bholameena.blogspot.in/2014/01/ubuntu-how-to-enable-mod-rewrite.html

(iii) Enable Headers
     $ sudo a2enmod headers