Increase the Swap Size while installing the Oracle DB

While installing the DB, the Prerequisite check may fail saying Swap Space expected value is XXXX where as the actual value would be XXXX.

To over come this increase the swap size. Here are the steps to increase the swap size.

# How to create a swap partition of 15GB
# possible alternate approach

Logon  as a root user.

       $ dd if=/dev/zero of=/u01/swapfile bs=1024 count=15242880
       $ chmod 600 /u01/swapfile
       $ mkswap /u01/swapfile
       $ swapon /u01/swapfile
       $ echo '/u01/swapfile none swap sw 0 0' >> /etc/fstab