Method 1: Use a Hard Drive Partition for Additional Swap Space
Step #1: Login as the Root User and run following commands
# mkswap /dev/sdc1
# swapon /dev/sdc1
Method 2: Use a File for Additional Swap Space
# dd if=/dev/zero of=/root/SWAPFILENAME bs=1M count=1024 (for 1 GB) Change as per requirement
# chmod 600 /root/SWAPFILENAME
# mkswap /root/myswapfile
Enable the newly created swapfile.
# swapon /root/myswapfile